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From st...@apache.org
Subject [16/28] hbase git commit: HBASE-10092 Move up on to log4j2
Date Thu, 21 Dec 2017 06:26:57 GMT
http://git-wip-us.apache.org/repos/asf/hbase/blob/f572c4b8/hbase-server/src/main/java/org/apache/hadoop/hbase/master/cleaner/TimeToLiveProcedureWALCleaner.java
----------------------------------------------------------------------
diff --git a/hbase-server/src/main/java/org/apache/hadoop/hbase/master/cleaner/TimeToLiveProcedureWALCleaner.java b/hbase-server/src/main/java/org/apache/hadoop/hbase/master/cleaner/TimeToLiveProcedureWALCleaner.java
index cd9a7ec..467accd 100644
--- a/hbase-server/src/main/java/org/apache/hadoop/hbase/master/cleaner/TimeToLiveProcedureWALCleaner.java
+++ b/hbase-server/src/main/java/org/apache/hadoop/hbase/master/cleaner/TimeToLiveProcedureWALCleaner.java
@@ -17,14 +17,14 @@
  */
 package org.apache.hadoop.hbase.master.cleaner;
 
-import org.apache.commons.logging.Log;
-import org.apache.commons.logging.LogFactory;
 import org.apache.hadoop.conf.Configuration;
 import org.apache.hadoop.fs.FileStatus;
 import org.apache.hadoop.hbase.HBaseInterfaceAudience;
 import org.apache.hadoop.hbase.master.procedure.MasterProcedureUtil;
 import org.apache.hadoop.hbase.util.EnvironmentEdgeManager;
 import org.apache.yetus.audience.InterfaceAudience;
+import org.slf4j.Logger;
+import org.slf4j.LoggerFactory;
 
 /**
  * Procedure WAL cleaner that uses the timestamp of the Procedure WAL to determine if it should be
@@ -32,8 +32,8 @@ import org.apache.yetus.audience.InterfaceAudience;
  */
 @InterfaceAudience.LimitedPrivate(HBaseInterfaceAudience.CONFIG)
 public class TimeToLiveProcedureWALCleaner extends BaseFileCleanerDelegate {
-
-  private static final Log LOG = LogFactory.getLog(TimeToLiveProcedureWALCleaner.class.getName());
+  private static final Logger LOG =
+      LoggerFactory.getLogger(TimeToLiveProcedureWALCleaner.class.getName());
   public static final String TTL_CONF_KEY = "hbase.master.procedurewalcleaner.ttl";
   // default ttl = 7 days
   public static final long DEFAULT_TTL = 604_800_000L;

http://git-wip-us.apache.org/repos/asf/hbase/blob/f572c4b8/hbase-server/src/main/java/org/apache/hadoop/hbase/master/locking/LockManager.java
----------------------------------------------------------------------
diff --git a/hbase-server/src/main/java/org/apache/hadoop/hbase/master/locking/LockManager.java b/hbase-server/src/main/java/org/apache/hadoop/hbase/master/locking/LockManager.java
index 883d659..36269f3 100644
--- a/hbase-server/src/main/java/org/apache/hadoop/hbase/master/locking/LockManager.java
+++ b/hbase-server/src/main/java/org/apache/hadoop/hbase/master/locking/LockManager.java
@@ -22,15 +22,14 @@ import java.io.IOException;
 import java.util.concurrent.CountDownLatch;
 import java.util.concurrent.TimeUnit;
 
-import org.apache.commons.logging.Log;
-import org.apache.commons.logging.LogFactory;
 import org.apache.hadoop.hbase.TableName;
 import org.apache.hadoop.hbase.client.RegionInfo;
 import org.apache.hadoop.hbase.master.HMaster;
 import org.apache.hadoop.hbase.procedure2.LockType;
 import org.apache.hadoop.hbase.util.NonceKey;
 import org.apache.yetus.audience.InterfaceAudience;
-
+import org.slf4j.Logger;
+import org.slf4j.LoggerFactory;
 import org.apache.hadoop.hbase.shaded.com.google.common.annotations.VisibleForTesting;
 
 /**
@@ -38,7 +37,7 @@ import org.apache.hadoop.hbase.shaded.com.google.common.annotations.VisibleForTe
  */
 @InterfaceAudience.Private
 public final class LockManager {
-  private static final Log LOG = LogFactory.getLog(LockManager.class);
+  private static final Logger LOG = LoggerFactory.getLogger(LockManager.class);
   private final HMaster master;
   private final RemoteLocks remoteLocks;
 

http://git-wip-us.apache.org/repos/asf/hbase/blob/f572c4b8/hbase-server/src/main/java/org/apache/hadoop/hbase/master/locking/LockProcedure.java
----------------------------------------------------------------------
diff --git a/hbase-server/src/main/java/org/apache/hadoop/hbase/master/locking/LockProcedure.java b/hbase-server/src/main/java/org/apache/hadoop/hbase/master/locking/LockProcedure.java
index 61843d8..edf7642 100644
--- a/hbase-server/src/main/java/org/apache/hadoop/hbase/master/locking/LockProcedure.java
+++ b/hbase-server/src/main/java/org/apache/hadoop/hbase/master/locking/LockProcedure.java
@@ -24,8 +24,6 @@ import java.util.concurrent.CountDownLatch;
 import java.util.concurrent.atomic.AtomicBoolean;
 import java.util.concurrent.atomic.AtomicLong;
 
-import org.apache.commons.logging.Log;
-import org.apache.commons.logging.LogFactory;
 import org.apache.hadoop.conf.Configuration;
 import org.apache.hadoop.hbase.TableName;
 import org.apache.hadoop.hbase.client.RegionInfo;
@@ -37,7 +35,8 @@ import org.apache.hadoop.hbase.procedure2.ProcedureEvent;
 import org.apache.hadoop.hbase.procedure2.ProcedureStateSerializer;
 import org.apache.hadoop.hbase.procedure2.ProcedureSuspendedException;
 import org.apache.yetus.audience.InterfaceAudience;
-
+import org.slf4j.Logger;
+import org.slf4j.LoggerFactory;
 import org.apache.hadoop.hbase.shaded.protobuf.ProtobufUtil;
 import org.apache.hadoop.hbase.shaded.protobuf.generated.LockServiceProtos;
 import org.apache.hadoop.hbase.shaded.protobuf.generated.LockServiceProtos.LockProcedureData;
@@ -57,7 +56,7 @@ import org.apache.hadoop.hbase.shaded.protobuf.generated.ProcedureProtos;
 @InterfaceAudience.Private
 public final class LockProcedure extends Procedure<MasterProcedureEnv>
     implements TableProcedureInterface {
-  private static final Log LOG = LogFactory.getLog(LockProcedure.class);
+  private static final Logger LOG = LoggerFactory.getLogger(LockProcedure.class);
 
   public static final int DEFAULT_REMOTE_LOCKS_TIMEOUT_MS = 30000;  // timeout in ms
   public static final String REMOTE_LOCKS_TIMEOUT_MS_CONF =

http://git-wip-us.apache.org/repos/asf/hbase/blob/f572c4b8/hbase-server/src/main/java/org/apache/hadoop/hbase/master/normalizer/MergeNormalizationPlan.java
----------------------------------------------------------------------
diff --git a/hbase-server/src/main/java/org/apache/hadoop/hbase/master/normalizer/MergeNormalizationPlan.java b/hbase-server/src/main/java/org/apache/hadoop/hbase/master/normalizer/MergeNormalizationPlan.java
index b6602b1..7c33661 100644
--- a/hbase-server/src/main/java/org/apache/hadoop/hbase/master/normalizer/MergeNormalizationPlan.java
+++ b/hbase-server/src/main/java/org/apache/hadoop/hbase/master/normalizer/MergeNormalizationPlan.java
@@ -20,18 +20,18 @@ package org.apache.hadoop.hbase.master.normalizer;
 
 import java.io.IOException;
 
-import org.apache.commons.logging.Log;
-import org.apache.commons.logging.LogFactory;
 import org.apache.hadoop.hbase.client.Admin;
 import org.apache.hadoop.hbase.client.RegionInfo;
 import org.apache.yetus.audience.InterfaceAudience;
+import org.slf4j.Logger;
+import org.slf4j.LoggerFactory;
 
 /**
  * Normalization plan to merge regions (smallest region in the table with its smallest neighbor).
  */
 @InterfaceAudience.Private
 public class MergeNormalizationPlan implements NormalizationPlan {
-  private static final Log LOG = LogFactory.getLog(MergeNormalizationPlan.class.getName());
+  private static final Logger LOG = LoggerFactory.getLogger(MergeNormalizationPlan.class.getName());
 
   private final RegionInfo firstRegion;
   private final RegionInfo secondRegion;

http://git-wip-us.apache.org/repos/asf/hbase/blob/f572c4b8/hbase-server/src/main/java/org/apache/hadoop/hbase/master/normalizer/RegionNormalizerChore.java
----------------------------------------------------------------------
diff --git a/hbase-server/src/main/java/org/apache/hadoop/hbase/master/normalizer/RegionNormalizerChore.java b/hbase-server/src/main/java/org/apache/hadoop/hbase/master/normalizer/RegionNormalizerChore.java
index 7137bc9..19d2dc7 100644
--- a/hbase-server/src/main/java/org/apache/hadoop/hbase/master/normalizer/RegionNormalizerChore.java
+++ b/hbase-server/src/main/java/org/apache/hadoop/hbase/master/normalizer/RegionNormalizerChore.java
@@ -18,10 +18,10 @@
  */
 package org.apache.hadoop.hbase.master.normalizer;
 
-import org.apache.commons.logging.Log;
-import org.apache.commons.logging.LogFactory;
 import org.apache.hadoop.hbase.ScheduledChore;
 import org.apache.yetus.audience.InterfaceAudience;
+import org.slf4j.Logger;
+import org.slf4j.LoggerFactory;
 import org.apache.hadoop.hbase.master.HMaster;
 
 import java.io.IOException;
@@ -32,7 +32,7 @@ import java.io.IOException;
  */
 @InterfaceAudience.Private
 public class RegionNormalizerChore extends ScheduledChore {
-  private static final Log LOG = LogFactory.getLog(RegionNormalizerChore.class);
+  private static final Logger LOG = LoggerFactory.getLogger(RegionNormalizerChore.class);
 
   private final HMaster master;
 

http://git-wip-us.apache.org/repos/asf/hbase/blob/f572c4b8/hbase-server/src/main/java/org/apache/hadoop/hbase/master/normalizer/SimpleRegionNormalizer.java
----------------------------------------------------------------------
diff --git a/hbase-server/src/main/java/org/apache/hadoop/hbase/master/normalizer/SimpleRegionNormalizer.java b/hbase-server/src/main/java/org/apache/hadoop/hbase/master/normalizer/SimpleRegionNormalizer.java
index 8190f27..767324a 100644
--- a/hbase-server/src/main/java/org/apache/hadoop/hbase/master/normalizer/SimpleRegionNormalizer.java
+++ b/hbase-server/src/main/java/org/apache/hadoop/hbase/master/normalizer/SimpleRegionNormalizer.java
@@ -23,8 +23,6 @@ import java.util.Collections;
 import java.util.Comparator;
 import java.util.List;
 
-import org.apache.commons.logging.Log;
-import org.apache.commons.logging.LogFactory;
 import org.apache.hadoop.hbase.HBaseIOException;
 import org.apache.hadoop.hbase.RegionLoad;
 import org.apache.hadoop.hbase.ServerName;
@@ -35,7 +33,8 @@ import org.apache.hadoop.hbase.master.MasterRpcServices;
 import org.apache.hadoop.hbase.master.MasterServices;
 import org.apache.hadoop.hbase.master.normalizer.NormalizationPlan.PlanType;
 import org.apache.yetus.audience.InterfaceAudience;
-
+import org.slf4j.Logger;
+import org.slf4j.LoggerFactory;
 import org.apache.hadoop.hbase.shaded.protobuf.RequestConverter;
 
 /**
@@ -60,7 +59,7 @@ import org.apache.hadoop.hbase.shaded.protobuf.RequestConverter;
 @InterfaceAudience.Private
 public class SimpleRegionNormalizer implements RegionNormalizer {
 
-  private static final Log LOG = LogFactory.getLog(SimpleRegionNormalizer.class);
+  private static final Logger LOG = LoggerFactory.getLogger(SimpleRegionNormalizer.class);
   private static final int MIN_REGION_COUNT = 3;
   private MasterServices masterServices;
   private MasterRpcServices masterRpcServices;

http://git-wip-us.apache.org/repos/asf/hbase/blob/f572c4b8/hbase-server/src/main/java/org/apache/hadoop/hbase/master/normalizer/SplitNormalizationPlan.java
----------------------------------------------------------------------
diff --git a/hbase-server/src/main/java/org/apache/hadoop/hbase/master/normalizer/SplitNormalizationPlan.java b/hbase-server/src/main/java/org/apache/hadoop/hbase/master/normalizer/SplitNormalizationPlan.java
index 9217143..b5f8e82 100644
--- a/hbase-server/src/main/java/org/apache/hadoop/hbase/master/normalizer/SplitNormalizationPlan.java
+++ b/hbase-server/src/main/java/org/apache/hadoop/hbase/master/normalizer/SplitNormalizationPlan.java
@@ -21,18 +21,18 @@ package org.apache.hadoop.hbase.master.normalizer;
 import java.io.IOException;
 import java.util.Arrays;
 
-import org.apache.commons.logging.Log;
-import org.apache.commons.logging.LogFactory;
 import org.apache.hadoop.hbase.client.Admin;
 import org.apache.hadoop.hbase.client.RegionInfo;
 import org.apache.yetus.audience.InterfaceAudience;
+import org.slf4j.Logger;
+import org.slf4j.LoggerFactory;
 
 /**
  * Normalization plan to split region.
  */
 @InterfaceAudience.Private
 public class SplitNormalizationPlan implements NormalizationPlan {
-  private static final Log LOG = LogFactory.getLog(SplitNormalizationPlan.class.getName());
+  private static final Logger LOG = LoggerFactory.getLogger(SplitNormalizationPlan.class.getName());
 
   private RegionInfo regionInfo;
   private byte[] splitPoint;

http://git-wip-us.apache.org/repos/asf/hbase/blob/f572c4b8/hbase-server/src/main/java/org/apache/hadoop/hbase/master/procedure/CloneSnapshotProcedure.java
----------------------------------------------------------------------
diff --git a/hbase-server/src/main/java/org/apache/hadoop/hbase/master/procedure/CloneSnapshotProcedure.java b/hbase-server/src/main/java/org/apache/hadoop/hbase/master/procedure/CloneSnapshotProcedure.java
index a524879..a17108f 100644
--- a/hbase-server/src/main/java/org/apache/hadoop/hbase/master/procedure/CloneSnapshotProcedure.java
+++ b/hbase-server/src/main/java/org/apache/hadoop/hbase/master/procedure/CloneSnapshotProcedure.java
@@ -25,8 +25,6 @@ import java.util.Iterator;
 import java.util.List;
 import java.util.Map;
 
-import org.apache.commons.logging.Log;
-import org.apache.commons.logging.LogFactory;
 import org.apache.hadoop.conf.Configuration;
 import org.apache.hadoop.fs.FileSystem;
 import org.apache.hadoop.fs.Path;
@@ -54,7 +52,8 @@ import org.apache.hadoop.hbase.util.FSTableDescriptors;
 import org.apache.hadoop.hbase.util.FSUtils;
 import org.apache.hadoop.hbase.util.Pair;
 import org.apache.yetus.audience.InterfaceAudience;
-
+import org.slf4j.Logger;
+import org.slf4j.LoggerFactory;
 import org.apache.hadoop.hbase.shaded.com.google.common.base.Preconditions;
 import org.apache.hadoop.hbase.shaded.protobuf.ProtobufUtil;
 import org.apache.hadoop.hbase.shaded.protobuf.generated.HBaseProtos;
@@ -65,7 +64,7 @@ import org.apache.hadoop.hbase.shaded.protobuf.generated.SnapshotProtos.Snapshot
 @InterfaceAudience.Private
 public class CloneSnapshotProcedure
     extends AbstractStateMachineTableProcedure<CloneSnapshotState> {
-  private static final Log LOG = LogFactory.getLog(CloneSnapshotProcedure.class);
+  private static final Logger LOG = LoggerFactory.getLogger(CloneSnapshotProcedure.class);
 
   private TableDescriptor tableDescriptor;
   private SnapshotDescription snapshot;

http://git-wip-us.apache.org/repos/asf/hbase/blob/f572c4b8/hbase-server/src/main/java/org/apache/hadoop/hbase/master/procedure/CreateNamespaceProcedure.java
----------------------------------------------------------------------
diff --git a/hbase-server/src/main/java/org/apache/hadoop/hbase/master/procedure/CreateNamespaceProcedure.java b/hbase-server/src/main/java/org/apache/hadoop/hbase/master/procedure/CreateNamespaceProcedure.java
index fa743bd..f0d0af8 100644
--- a/hbase-server/src/main/java/org/apache/hadoop/hbase/master/procedure/CreateNamespaceProcedure.java
+++ b/hbase-server/src/main/java/org/apache/hadoop/hbase/master/procedure/CreateNamespaceProcedure.java
@@ -19,11 +19,12 @@
 package org.apache.hadoop.hbase.master.procedure;
 
 import java.io.IOException;
-import org.apache.commons.logging.Log;
-import org.apache.commons.logging.LogFactory;
+
 import org.apache.hadoop.hbase.NamespaceDescriptor;
 import org.apache.hadoop.hbase.NamespaceExistException;
 import org.apache.yetus.audience.InterfaceAudience;
+import org.slf4j.Logger;
+import org.slf4j.LoggerFactory;
 import org.apache.hadoop.hbase.master.MasterFileSystem;
 import org.apache.hadoop.hbase.master.TableNamespaceManager;
 import org.apache.hadoop.hbase.procedure2.ProcedureStateSerializer;
@@ -38,7 +39,7 @@ import org.apache.hadoop.hbase.util.FSUtils;
 @InterfaceAudience.Private
 public class CreateNamespaceProcedure
     extends AbstractStateMachineNamespaceProcedure<CreateNamespaceState> {
-  private static final Log LOG = LogFactory.getLog(CreateNamespaceProcedure.class);
+  private static final Logger LOG = LoggerFactory.getLogger(CreateNamespaceProcedure.class);
 
   private NamespaceDescriptor nsDescriptor;
   private Boolean traceEnabled;

http://git-wip-us.apache.org/repos/asf/hbase/blob/f572c4b8/hbase-server/src/main/java/org/apache/hadoop/hbase/master/procedure/CreateTableProcedure.java
----------------------------------------------------------------------
diff --git a/hbase-server/src/main/java/org/apache/hadoop/hbase/master/procedure/CreateTableProcedure.java b/hbase-server/src/main/java/org/apache/hadoop/hbase/master/procedure/CreateTableProcedure.java
index ed137c2..63d6d2f 100644
--- a/hbase-server/src/main/java/org/apache/hadoop/hbase/master/procedure/CreateTableProcedure.java
+++ b/hbase-server/src/main/java/org/apache/hadoop/hbase/master/procedure/CreateTableProcedure.java
@@ -22,8 +22,6 @@ import java.io.IOException;
 import java.util.ArrayList;
 import java.util.List;
 
-import org.apache.commons.logging.Log;
-import org.apache.commons.logging.LogFactory;
 import org.apache.hadoop.fs.FileSystem;
 import org.apache.hadoop.fs.Path;
 import org.apache.hadoop.hbase.DoNotRetryIOException;
@@ -42,7 +40,8 @@ import org.apache.hadoop.hbase.util.FSUtils;
 import org.apache.hadoop.hbase.util.ModifyRegionUtils;
 import org.apache.hadoop.hbase.util.ServerRegionReplicaUtil;
 import org.apache.yetus.audience.InterfaceAudience;
-
+import org.slf4j.Logger;
+import org.slf4j.LoggerFactory;
 import org.apache.hadoop.hbase.shaded.com.google.common.collect.Lists;
 import org.apache.hadoop.hbase.shaded.protobuf.ProtobufUtil;
 import org.apache.hadoop.hbase.shaded.protobuf.generated.HBaseProtos;
@@ -52,7 +51,7 @@ import org.apache.hadoop.hbase.shaded.protobuf.generated.MasterProcedureProtos.C
 @InterfaceAudience.Private
 public class CreateTableProcedure
     extends AbstractStateMachineTableProcedure<CreateTableState> {
-  private static final Log LOG = LogFactory.getLog(CreateTableProcedure.class);
+  private static final Logger LOG = LoggerFactory.getLogger(CreateTableProcedure.class);
 
   private TableDescriptor tableDescriptor;
   private List<RegionInfo> newRegions;

http://git-wip-us.apache.org/repos/asf/hbase/blob/f572c4b8/hbase-server/src/main/java/org/apache/hadoop/hbase/master/procedure/DeleteNamespaceProcedure.java
----------------------------------------------------------------------
diff --git a/hbase-server/src/main/java/org/apache/hadoop/hbase/master/procedure/DeleteNamespaceProcedure.java b/hbase-server/src/main/java/org/apache/hadoop/hbase/master/procedure/DeleteNamespaceProcedure.java
index 9646946..1c587eb 100644
--- a/hbase-server/src/main/java/org/apache/hadoop/hbase/master/procedure/DeleteNamespaceProcedure.java
+++ b/hbase-server/src/main/java/org/apache/hadoop/hbase/master/procedure/DeleteNamespaceProcedure.java
@@ -20,8 +20,7 @@ package org.apache.hadoop.hbase.master.procedure;
 
 import java.io.FileNotFoundException;
 import java.io.IOException;
-import org.apache.commons.logging.Log;
-import org.apache.commons.logging.LogFactory;
+
 import org.apache.hadoop.fs.FileStatus;
 import org.apache.hadoop.fs.FileSystem;
 import org.apache.hadoop.fs.Path;
@@ -29,6 +28,8 @@ import org.apache.hadoop.hbase.HConstants;
 import org.apache.hadoop.hbase.NamespaceDescriptor;
 import org.apache.hadoop.hbase.NamespaceNotFoundException;
 import org.apache.yetus.audience.InterfaceAudience;
+import org.slf4j.Logger;
+import org.slf4j.LoggerFactory;
 import org.apache.hadoop.hbase.constraint.ConstraintException;
 import org.apache.hadoop.hbase.master.MasterFileSystem;
 import org.apache.hadoop.hbase.master.TableNamespaceManager;
@@ -44,7 +45,7 @@ import org.apache.hadoop.hbase.util.FSUtils;
 @InterfaceAudience.Private
 public class DeleteNamespaceProcedure
     extends AbstractStateMachineNamespaceProcedure<DeleteNamespaceState> {
-  private static final Log LOG = LogFactory.getLog(DeleteNamespaceProcedure.class);
+  private static final Logger LOG = LoggerFactory.getLogger(DeleteNamespaceProcedure.class);
 
   private NamespaceDescriptor nsDescriptor;
   private String namespaceName;

http://git-wip-us.apache.org/repos/asf/hbase/blob/f572c4b8/hbase-server/src/main/java/org/apache/hadoop/hbase/master/procedure/DeleteTableProcedure.java
----------------------------------------------------------------------
diff --git a/hbase-server/src/main/java/org/apache/hadoop/hbase/master/procedure/DeleteTableProcedure.java b/hbase-server/src/main/java/org/apache/hadoop/hbase/master/procedure/DeleteTableProcedure.java
index 4cc1875..151e3d6 100644
--- a/hbase-server/src/main/java/org/apache/hadoop/hbase/master/procedure/DeleteTableProcedure.java
+++ b/hbase-server/src/main/java/org/apache/hadoop/hbase/master/procedure/DeleteTableProcedure.java
@@ -22,8 +22,6 @@ import java.io.IOException;
 import java.util.ArrayList;
 import java.util.List;
 
-import org.apache.commons.logging.Log;
-import org.apache.commons.logging.LogFactory;
 import org.apache.hadoop.fs.FileStatus;
 import org.apache.hadoop.fs.FileSystem;
 import org.apache.hadoop.fs.Path;
@@ -49,7 +47,8 @@ import org.apache.hadoop.hbase.procedure2.ProcedureStateSerializer;
 import org.apache.hadoop.hbase.regionserver.HRegion;
 import org.apache.hadoop.hbase.util.FSUtils;
 import org.apache.yetus.audience.InterfaceAudience;
-
+import org.slf4j.Logger;
+import org.slf4j.LoggerFactory;
 import org.apache.hadoop.hbase.shaded.protobuf.ProtobufUtil;
 import org.apache.hadoop.hbase.shaded.protobuf.generated.HBaseProtos;
 import org.apache.hadoop.hbase.shaded.protobuf.generated.MasterProcedureProtos;
@@ -58,7 +57,7 @@ import org.apache.hadoop.hbase.shaded.protobuf.generated.MasterProcedureProtos.D
 @InterfaceAudience.Private
 public class DeleteTableProcedure
     extends AbstractStateMachineTableProcedure<DeleteTableState> {
-  private static final Log LOG = LogFactory.getLog(DeleteTableProcedure.class);
+  private static final Logger LOG = LoggerFactory.getLogger(DeleteTableProcedure.class);
 
   private List<RegionInfo> regions;
   private TableName tableName;

http://git-wip-us.apache.org/repos/asf/hbase/blob/f572c4b8/hbase-server/src/main/java/org/apache/hadoop/hbase/master/procedure/DisableTableProcedure.java
----------------------------------------------------------------------
diff --git a/hbase-server/src/main/java/org/apache/hadoop/hbase/master/procedure/DisableTableProcedure.java b/hbase-server/src/main/java/org/apache/hadoop/hbase/master/procedure/DisableTableProcedure.java
index 045ee9e..e748c6c 100644
--- a/hbase-server/src/main/java/org/apache/hadoop/hbase/master/procedure/DisableTableProcedure.java
+++ b/hbase-server/src/main/java/org/apache/hadoop/hbase/master/procedure/DisableTableProcedure.java
@@ -19,13 +19,14 @@
 package org.apache.hadoop.hbase.master.procedure;
 
 import java.io.IOException;
-import org.apache.commons.logging.Log;
-import org.apache.commons.logging.LogFactory;
+
 import org.apache.hadoop.hbase.MetaTableAccessor;
 import org.apache.hadoop.hbase.TableName;
 import org.apache.hadoop.hbase.TableNotEnabledException;
 import org.apache.hadoop.hbase.TableNotFoundException;
 import org.apache.yetus.audience.InterfaceAudience;
+import org.slf4j.Logger;
+import org.slf4j.LoggerFactory;
 import org.apache.hadoop.hbase.client.TableState;
 import org.apache.hadoop.hbase.constraint.ConstraintException;
 import org.apache.hadoop.hbase.master.MasterCoprocessorHost;
@@ -38,7 +39,7 @@ import org.apache.hadoop.hbase.shaded.protobuf.generated.MasterProcedureProtos.D
 @InterfaceAudience.Private
 public class DisableTableProcedure
     extends AbstractStateMachineTableProcedure<DisableTableState> {
-  private static final Log LOG = LogFactory.getLog(DisableTableProcedure.class);
+  private static final Logger LOG = LoggerFactory.getLogger(DisableTableProcedure.class);
 
   private TableName tableName;
   private boolean skipTableStateCheck;

http://git-wip-us.apache.org/repos/asf/hbase/blob/f572c4b8/hbase-server/src/main/java/org/apache/hadoop/hbase/master/procedure/EnableTableProcedure.java
----------------------------------------------------------------------
diff --git a/hbase-server/src/main/java/org/apache/hadoop/hbase/master/procedure/EnableTableProcedure.java b/hbase-server/src/main/java/org/apache/hadoop/hbase/master/procedure/EnableTableProcedure.java
index cf40696..c501e53 100644
--- a/hbase-server/src/main/java/org/apache/hadoop/hbase/master/procedure/EnableTableProcedure.java
+++ b/hbase-server/src/main/java/org/apache/hadoop/hbase/master/procedure/EnableTableProcedure.java
@@ -22,8 +22,6 @@ import java.io.IOException;
 import java.util.ArrayList;
 import java.util.List;
 
-import org.apache.commons.logging.Log;
-import org.apache.commons.logging.LogFactory;
 import org.apache.hadoop.hbase.Cell;
 import org.apache.hadoop.hbase.HConstants;
 import org.apache.hadoop.hbase.MetaTableAccessor;
@@ -31,6 +29,8 @@ import org.apache.hadoop.hbase.TableName;
 import org.apache.hadoop.hbase.TableNotDisabledException;
 import org.apache.hadoop.hbase.TableNotFoundException;
 import org.apache.yetus.audience.InterfaceAudience;
+import org.slf4j.Logger;
+import org.slf4j.LoggerFactory;
 import org.apache.hadoop.hbase.client.Connection;
 import org.apache.hadoop.hbase.client.Get;
 import org.apache.hadoop.hbase.client.RegionInfo;
@@ -49,7 +49,7 @@ import org.apache.hadoop.hbase.shaded.protobuf.generated.MasterProcedureProtos.E
 @InterfaceAudience.Private
 public class EnableTableProcedure
     extends AbstractStateMachineTableProcedure<EnableTableState> {
-  private static final Log LOG = LogFactory.getLog(EnableTableProcedure.class);
+  private static final Logger LOG = LoggerFactory.getLogger(EnableTableProcedure.class);
 
   private TableName tableName;
   private boolean skipTableStateCheck;

http://git-wip-us.apache.org/repos/asf/hbase/blob/f572c4b8/hbase-server/src/main/java/org/apache/hadoop/hbase/master/procedure/MasterDDLOperationHelper.java
----------------------------------------------------------------------
diff --git a/hbase-server/src/main/java/org/apache/hadoop/hbase/master/procedure/MasterDDLOperationHelper.java b/hbase-server/src/main/java/org/apache/hadoop/hbase/master/procedure/MasterDDLOperationHelper.java
index 02ecdc6..6d06de2 100644
--- a/hbase-server/src/main/java/org/apache/hadoop/hbase/master/procedure/MasterDDLOperationHelper.java
+++ b/hbase-server/src/main/java/org/apache/hadoop/hbase/master/procedure/MasterDDLOperationHelper.java
@@ -21,8 +21,6 @@ package org.apache.hadoop.hbase.master.procedure;
 import java.io.IOException;
 import java.util.List;
 
-import org.apache.commons.logging.Log;
-import org.apache.commons.logging.LogFactory;
 import org.apache.hadoop.fs.Path;
 import org.apache.hadoop.hbase.TableName;
 import org.apache.hadoop.hbase.client.RegionInfo;
@@ -31,13 +29,15 @@ import org.apache.hadoop.hbase.mob.MobConstants;
 import org.apache.hadoop.hbase.mob.MobUtils;
 import org.apache.hadoop.hbase.util.Bytes;
 import org.apache.yetus.audience.InterfaceAudience;
+import org.slf4j.Logger;
+import org.slf4j.LoggerFactory;
 
 /**
  * Helper class for schema change procedures
  */
 @InterfaceAudience.Private
 public final class MasterDDLOperationHelper {
-  private static final Log LOG = LogFactory.getLog(MasterDDLOperationHelper.class);
+  private static final Logger LOG = LoggerFactory.getLogger(MasterDDLOperationHelper.class);
 
   private MasterDDLOperationHelper() {}
 

http://git-wip-us.apache.org/repos/asf/hbase/blob/f572c4b8/hbase-server/src/main/java/org/apache/hadoop/hbase/master/procedure/MasterProcedureEnv.java
----------------------------------------------------------------------
diff --git a/hbase-server/src/main/java/org/apache/hadoop/hbase/master/procedure/MasterProcedureEnv.java b/hbase-server/src/main/java/org/apache/hadoop/hbase/master/procedure/MasterProcedureEnv.java
index c9c3ac9..0a4c97d 100644
--- a/hbase-server/src/main/java/org/apache/hadoop/hbase/master/procedure/MasterProcedureEnv.java
+++ b/hbase-server/src/main/java/org/apache/hadoop/hbase/master/procedure/MasterProcedureEnv.java
@@ -20,14 +20,14 @@ package org.apache.hadoop.hbase.master.procedure;
 
 import java.io.IOException;
 
-import org.apache.commons.logging.Log;
-import org.apache.commons.logging.LogFactory;
 import org.apache.hadoop.conf.Configuration;
 import org.apache.hadoop.fs.FileSystem;
 import org.apache.hadoop.fs.Path;
 import org.apache.hadoop.hbase.conf.ConfigurationObserver;
 import org.apache.yetus.audience.InterfaceAudience;
 import org.apache.yetus.audience.InterfaceStability;
+import org.slf4j.Logger;
+import org.slf4j.LoggerFactory;
 import org.apache.hadoop.hbase.ipc.RpcServer;
 import org.apache.hadoop.hbase.master.HMaster;
 import org.apache.hadoop.hbase.master.MasterCoprocessorHost;
@@ -45,7 +45,7 @@ import org.apache.hadoop.hbase.util.FSUtils;
 @InterfaceAudience.Private
 @InterfaceStability.Evolving
 public class MasterProcedureEnv implements ConfigurationObserver {
-  private static final Log LOG = LogFactory.getLog(MasterProcedureEnv.class);
+  private static final Logger LOG = LoggerFactory.getLogger(MasterProcedureEnv.class);
 
   @InterfaceAudience.Private
   public static class WALStoreLeaseRecovery implements WALProcedureStore.LeaseRecovery {

http://git-wip-us.apache.org/repos/asf/hbase/blob/f572c4b8/hbase-server/src/main/java/org/apache/hadoop/hbase/master/procedure/MasterProcedureScheduler.java
----------------------------------------------------------------------
diff --git a/hbase-server/src/main/java/org/apache/hadoop/hbase/master/procedure/MasterProcedureScheduler.java b/hbase-server/src/main/java/org/apache/hadoop/hbase/master/procedure/MasterProcedureScheduler.java
index 9402845..c60de5c 100644
--- a/hbase-server/src/main/java/org/apache/hadoop/hbase/master/procedure/MasterProcedureScheduler.java
+++ b/hbase-server/src/main/java/org/apache/hadoop/hbase/master/procedure/MasterProcedureScheduler.java
@@ -26,8 +26,6 @@ import java.util.List;
 import java.util.Map;
 import java.util.Map.Entry;
 
-import org.apache.commons.logging.Log;
-import org.apache.commons.logging.LogFactory;
 import org.apache.hadoop.conf.Configuration;
 import org.apache.hadoop.hbase.ServerName;
 import org.apache.hadoop.hbase.TableExistsException;
@@ -50,7 +48,8 @@ import org.apache.hadoop.hbase.util.AvlUtil.AvlLinkedNode;
 import org.apache.hadoop.hbase.util.AvlUtil.AvlTree;
 import org.apache.hadoop.hbase.util.AvlUtil.AvlTreeIterator;
 import org.apache.yetus.audience.InterfaceAudience;
-
+import org.slf4j.Logger;
+import org.slf4j.LoggerFactory;
 import org.apache.hadoop.hbase.shaded.com.google.common.annotations.VisibleForTesting;
 
 /**
@@ -104,7 +103,7 @@ import org.apache.hadoop.hbase.shaded.com.google.common.annotations.VisibleForTe
  */
 @InterfaceAudience.Private
 public class MasterProcedureScheduler extends AbstractProcedureScheduler {
-  private static final Log LOG = LogFactory.getLog(MasterProcedureScheduler.class);
+  private static final Logger LOG = LoggerFactory.getLogger(MasterProcedureScheduler.class);
 
   private final static ServerQueueKeyComparator SERVER_QUEUE_KEY_COMPARATOR =
       new ServerQueueKeyComparator();

http://git-wip-us.apache.org/repos/asf/hbase/blob/f572c4b8/hbase-server/src/main/java/org/apache/hadoop/hbase/master/procedure/MasterProcedureUtil.java
----------------------------------------------------------------------
diff --git a/hbase-server/src/main/java/org/apache/hadoop/hbase/master/procedure/MasterProcedureUtil.java b/hbase-server/src/main/java/org/apache/hadoop/hbase/master/procedure/MasterProcedureUtil.java
index 7826f96..b87f437 100644
--- a/hbase-server/src/main/java/org/apache/hadoop/hbase/master/procedure/MasterProcedureUtil.java
+++ b/hbase-server/src/main/java/org/apache/hadoop/hbase/master/procedure/MasterProcedureUtil.java
@@ -21,10 +21,10 @@ package org.apache.hadoop.hbase.master.procedure;
 import java.io.IOException;
 import java.util.regex.Pattern;
 
-import org.apache.commons.logging.Log;
-import org.apache.commons.logging.LogFactory;
 import org.apache.yetus.audience.InterfaceAudience;
 import org.apache.yetus.audience.InterfaceStability;
+import org.slf4j.Logger;
+import org.slf4j.LoggerFactory;
 import org.apache.hadoop.hbase.master.MasterServices;
 import org.apache.hadoop.hbase.procedure2.Procedure;
 import org.apache.hadoop.hbase.procedure2.ProcedureExecutor;
@@ -36,7 +36,7 @@ import org.apache.hadoop.security.UserGroupInformation;
 @InterfaceAudience.Private
 @InterfaceStability.Evolving
 public final class MasterProcedureUtil {
-  private static final Log LOG = LogFactory.getLog(MasterProcedureUtil.class);
+  private static final Logger LOG = LoggerFactory.getLogger(MasterProcedureUtil.class);
 
   private MasterProcedureUtil() {}
 

http://git-wip-us.apache.org/repos/asf/hbase/blob/f572c4b8/hbase-server/src/main/java/org/apache/hadoop/hbase/master/procedure/ModifyNamespaceProcedure.java
----------------------------------------------------------------------
diff --git a/hbase-server/src/main/java/org/apache/hadoop/hbase/master/procedure/ModifyNamespaceProcedure.java b/hbase-server/src/main/java/org/apache/hadoop/hbase/master/procedure/ModifyNamespaceProcedure.java
index 697a2ea..2a7dc5b 100644
--- a/hbase-server/src/main/java/org/apache/hadoop/hbase/master/procedure/ModifyNamespaceProcedure.java
+++ b/hbase-server/src/main/java/org/apache/hadoop/hbase/master/procedure/ModifyNamespaceProcedure.java
@@ -19,11 +19,12 @@
 package org.apache.hadoop.hbase.master.procedure;
 
 import java.io.IOException;
-import org.apache.commons.logging.Log;
-import org.apache.commons.logging.LogFactory;
+
 import org.apache.hadoop.hbase.NamespaceDescriptor;
 import org.apache.hadoop.hbase.NamespaceNotFoundException;
 import org.apache.yetus.audience.InterfaceAudience;
+import org.slf4j.Logger;
+import org.slf4j.LoggerFactory;
 import org.apache.hadoop.hbase.master.TableNamespaceManager;
 import org.apache.hadoop.hbase.procedure2.ProcedureStateSerializer;
 import org.apache.hadoop.hbase.shaded.protobuf.ProtobufUtil;
@@ -36,7 +37,7 @@ import org.apache.hadoop.hbase.shaded.protobuf.generated.MasterProcedureProtos.M
 @InterfaceAudience.Private
 public class ModifyNamespaceProcedure
     extends AbstractStateMachineNamespaceProcedure<ModifyNamespaceState> {
-  private static final Log LOG = LogFactory.getLog(ModifyNamespaceProcedure.class);
+  private static final Logger LOG = LoggerFactory.getLogger(ModifyNamespaceProcedure.class);
 
   private NamespaceDescriptor oldNsDescriptor;
   private NamespaceDescriptor newNsDescriptor;

http://git-wip-us.apache.org/repos/asf/hbase/blob/f572c4b8/hbase-server/src/main/java/org/apache/hadoop/hbase/master/procedure/ModifyTableProcedure.java
----------------------------------------------------------------------
diff --git a/hbase-server/src/main/java/org/apache/hadoop/hbase/master/procedure/ModifyTableProcedure.java b/hbase-server/src/main/java/org/apache/hadoop/hbase/master/procedure/ModifyTableProcedure.java
index bda8b81..f0be1e0 100644
--- a/hbase-server/src/main/java/org/apache/hadoop/hbase/master/procedure/ModifyTableProcedure.java
+++ b/hbase-server/src/main/java/org/apache/hadoop/hbase/master/procedure/ModifyTableProcedure.java
@@ -23,8 +23,6 @@ import java.util.HashSet;
 import java.util.List;
 import java.util.Set;
 
-import org.apache.commons.logging.Log;
-import org.apache.commons.logging.LogFactory;
 import org.apache.hadoop.hbase.DoNotRetryIOException;
 import org.apache.hadoop.hbase.HConstants;
 import org.apache.hadoop.hbase.MetaTableAccessor;
@@ -42,7 +40,8 @@ import org.apache.hadoop.hbase.master.MasterCoprocessorHost;
 import org.apache.hadoop.hbase.procedure2.ProcedureStateSerializer;
 import org.apache.hadoop.hbase.util.ServerRegionReplicaUtil;
 import org.apache.yetus.audience.InterfaceAudience;
-
+import org.slf4j.Logger;
+import org.slf4j.LoggerFactory;
 import org.apache.hadoop.hbase.shaded.protobuf.ProtobufUtil;
 import org.apache.hadoop.hbase.shaded.protobuf.generated.MasterProcedureProtos;
 import org.apache.hadoop.hbase.shaded.protobuf.generated.MasterProcedureProtos.ModifyTableState;
@@ -50,7 +49,7 @@ import org.apache.hadoop.hbase.shaded.protobuf.generated.MasterProcedureProtos.M
 @InterfaceAudience.Private
 public class ModifyTableProcedure
     extends AbstractStateMachineTableProcedure<ModifyTableState> {
-  private static final Log LOG = LogFactory.getLog(ModifyTableProcedure.class);
+  private static final Logger LOG = LoggerFactory.getLogger(ModifyTableProcedure.class);
 
   private TableDescriptor unmodifiedTableDescriptor = null;
   private TableDescriptor modifiedTableDescriptor;

http://git-wip-us.apache.org/repos/asf/hbase/blob/f572c4b8/hbase-server/src/main/java/org/apache/hadoop/hbase/master/procedure/ProcedureSyncWait.java
----------------------------------------------------------------------
diff --git a/hbase-server/src/main/java/org/apache/hadoop/hbase/master/procedure/ProcedureSyncWait.java b/hbase-server/src/main/java/org/apache/hadoop/hbase/master/procedure/ProcedureSyncWait.java
index 23b83ac..ae37a48 100644
--- a/hbase-server/src/main/java/org/apache/hadoop/hbase/master/procedure/ProcedureSyncWait.java
+++ b/hbase-server/src/main/java/org/apache/hadoop/hbase/master/procedure/ProcedureSyncWait.java
@@ -26,8 +26,6 @@ import java.util.concurrent.Future;
 import java.util.concurrent.TimeUnit;
 import java.util.concurrent.TimeoutException;
 
-import org.apache.commons.logging.Log;
-import org.apache.commons.logging.LogFactory;
 import org.apache.hadoop.conf.Configuration;
 import org.apache.hadoop.hbase.CoordinatedStateException;
 import org.apache.hadoop.hbase.NotAllMetaRegionsOnlineException;
@@ -40,6 +38,8 @@ import org.apache.hadoop.hbase.quotas.MasterQuotaManager;
 import org.apache.hadoop.hbase.util.EnvironmentEdgeManager;
 import org.apache.yetus.audience.InterfaceAudience;
 import org.apache.yetus.audience.InterfaceStability;
+import org.slf4j.Logger;
+import org.slf4j.LoggerFactory;
 
 /**
  * Helper to synchronously wait on conditions.
@@ -50,7 +50,7 @@ import org.apache.yetus.audience.InterfaceStability;
 @InterfaceAudience.Private
 @InterfaceStability.Evolving
 public final class ProcedureSyncWait {
-  private static final Log LOG = LogFactory.getLog(ProcedureSyncWait.class);
+  private static final Logger LOG = LoggerFactory.getLogger(ProcedureSyncWait.class);
 
   private ProcedureSyncWait() {}
 

http://git-wip-us.apache.org/repos/asf/hbase/blob/f572c4b8/hbase-server/src/main/java/org/apache/hadoop/hbase/master/procedure/RSProcedureDispatcher.java
----------------------------------------------------------------------
diff --git a/hbase-server/src/main/java/org/apache/hadoop/hbase/master/procedure/RSProcedureDispatcher.java b/hbase-server/src/main/java/org/apache/hadoop/hbase/master/procedure/RSProcedureDispatcher.java
index 045c416..72e0846 100644
--- a/hbase-server/src/main/java/org/apache/hadoop/hbase/master/procedure/RSProcedureDispatcher.java
+++ b/hbase-server/src/main/java/org/apache/hadoop/hbase/master/procedure/RSProcedureDispatcher.java
@@ -25,8 +25,6 @@ import java.util.Set;
 import java.util.concurrent.Callable;
 import java.util.concurrent.TimeUnit;
 
-import org.apache.commons.logging.Log;
-import org.apache.commons.logging.LogFactory;
 import org.apache.hadoop.hbase.DoNotRetryIOException;
 import org.apache.hadoop.hbase.ServerName;
 import org.apache.hadoop.hbase.client.RegionInfo;
@@ -36,7 +34,8 @@ import org.apache.hadoop.hbase.master.ServerListener;
 import org.apache.hadoop.hbase.procedure2.RemoteProcedureDispatcher;
 import org.apache.hadoop.hbase.util.EnvironmentEdgeManager;
 import org.apache.hadoop.ipc.RemoteException;
-
+import org.slf4j.Logger;
+import org.slf4j.LoggerFactory;
 import org.apache.hadoop.hbase.shaded.com.google.common.collect.ArrayListMultimap;
 import org.apache.hadoop.hbase.shaded.com.google.protobuf.RpcCallback;
 import org.apache.hadoop.hbase.shaded.com.google.protobuf.RpcController;
@@ -57,7 +56,7 @@ import org.apache.hadoop.hbase.shaded.protobuf.generated.AdminProtos.OpenRegionR
 public class RSProcedureDispatcher
     extends RemoteProcedureDispatcher<MasterProcedureEnv, ServerName>
     implements ServerListener {
-  private static final Log LOG = LogFactory.getLog(RSProcedureDispatcher.class);
+  private static final Logger LOG = LoggerFactory.getLogger(RSProcedureDispatcher.class);
 
   public static final String RS_RPC_STARTUP_WAIT_TIME_CONF_KEY =
       "hbase.regionserver.rpc.startup.waittime";

http://git-wip-us.apache.org/repos/asf/hbase/blob/f572c4b8/hbase-server/src/main/java/org/apache/hadoop/hbase/master/procedure/RecoverMetaProcedure.java
----------------------------------------------------------------------
diff --git a/hbase-server/src/main/java/org/apache/hadoop/hbase/master/procedure/RecoverMetaProcedure.java b/hbase-server/src/main/java/org/apache/hadoop/hbase/master/procedure/RecoverMetaProcedure.java
index f1174d4..90dfff0 100644
--- a/hbase-server/src/main/java/org/apache/hadoop/hbase/master/procedure/RecoverMetaProcedure.java
+++ b/hbase-server/src/main/java/org/apache/hadoop/hbase/master/procedure/RecoverMetaProcedure.java
@@ -21,8 +21,6 @@ package org.apache.hadoop.hbase.master.procedure;
 import java.io.IOException;
 import java.util.Set;
 
-import org.apache.commons.logging.Log;
-import org.apache.commons.logging.LogFactory;
 import org.apache.hadoop.hbase.ServerName;
 import org.apache.hadoop.hbase.TableName;
 import org.apache.hadoop.hbase.client.RegionInfo;
@@ -36,7 +34,8 @@ import org.apache.hadoop.hbase.procedure2.ProcedureYieldException;
 import org.apache.hadoop.hbase.procedure2.StateMachineProcedure;
 import org.apache.hadoop.hbase.zookeeper.MetaTableLocator;
 import org.apache.zookeeper.KeeperException;
-
+import org.slf4j.Logger;
+import org.slf4j.LoggerFactory;
 import org.apache.hadoop.hbase.shaded.protobuf.ProtobufUtil;
 import org.apache.hadoop.hbase.shaded.protobuf.generated.MasterProcedureProtos;
 import org.apache.hadoop.hbase.shaded.protobuf.generated.MasterProcedureProtos.RecoverMetaState;
@@ -51,7 +50,7 @@ import com.google.common.base.Preconditions;
 public class RecoverMetaProcedure
     extends StateMachineProcedure<MasterProcedureEnv, MasterProcedureProtos.RecoverMetaState>
     implements TableProcedureInterface {
-  private static final Log LOG = LogFactory.getLog(RecoverMetaProcedure.class);
+  private static final Logger LOG = LoggerFactory.getLogger(RecoverMetaProcedure.class);
 
   private ServerName failedMetaServer;
   private boolean shouldSplitWal;

http://git-wip-us.apache.org/repos/asf/hbase/blob/f572c4b8/hbase-server/src/main/java/org/apache/hadoop/hbase/master/procedure/RestoreSnapshotProcedure.java
----------------------------------------------------------------------
diff --git a/hbase-server/src/main/java/org/apache/hadoop/hbase/master/procedure/RestoreSnapshotProcedure.java b/hbase-server/src/main/java/org/apache/hadoop/hbase/master/procedure/RestoreSnapshotProcedure.java
index 2cf5584..9aa5171 100644
--- a/hbase-server/src/main/java/org/apache/hadoop/hbase/master/procedure/RestoreSnapshotProcedure.java
+++ b/hbase-server/src/main/java/org/apache/hadoop/hbase/master/procedure/RestoreSnapshotProcedure.java
@@ -25,8 +25,6 @@ import java.util.Iterator;
 import java.util.List;
 import java.util.Map;
 
-import org.apache.commons.logging.Log;
-import org.apache.commons.logging.LogFactory;
 import org.apache.hadoop.fs.FileSystem;
 import org.apache.hadoop.fs.Path;
 import org.apache.hadoop.hbase.DoNotRetryIOException;
@@ -49,7 +47,8 @@ import org.apache.hadoop.hbase.snapshot.SnapshotDescriptionUtils;
 import org.apache.hadoop.hbase.snapshot.SnapshotManifest;
 import org.apache.hadoop.hbase.util.Pair;
 import org.apache.yetus.audience.InterfaceAudience;
-
+import org.slf4j.Logger;
+import org.slf4j.LoggerFactory;
 import org.apache.hadoop.hbase.shaded.protobuf.ProtobufUtil;
 import org.apache.hadoop.hbase.shaded.protobuf.generated.HBaseProtos;
 import org.apache.hadoop.hbase.shaded.protobuf.generated.MasterProcedureProtos;
@@ -59,7 +58,7 @@ import org.apache.hadoop.hbase.shaded.protobuf.generated.SnapshotProtos.Snapshot
 @InterfaceAudience.Private
 public class RestoreSnapshotProcedure
     extends AbstractStateMachineTableProcedure<RestoreSnapshotState> {
-  private static final Log LOG = LogFactory.getLog(RestoreSnapshotProcedure.class);
+  private static final Logger LOG = LoggerFactory.getLogger(RestoreSnapshotProcedure.class);
 
   private TableDescriptor modifiedTableDescriptor;
   private List<RegionInfo> regionsToRestore = null;

http://git-wip-us.apache.org/repos/asf/hbase/blob/f572c4b8/hbase-server/src/main/java/org/apache/hadoop/hbase/master/procedure/ServerCrashProcedure.java
----------------------------------------------------------------------
diff --git a/hbase-server/src/main/java/org/apache/hadoop/hbase/master/procedure/ServerCrashProcedure.java b/hbase-server/src/main/java/org/apache/hadoop/hbase/master/procedure/ServerCrashProcedure.java
index 0e37c11..e9be058 100644
--- a/hbase-server/src/main/java/org/apache/hadoop/hbase/master/procedure/ServerCrashProcedure.java
+++ b/hbase-server/src/main/java/org/apache/hadoop/hbase/master/procedure/ServerCrashProcedure.java
@@ -22,8 +22,6 @@ import java.util.ArrayList;
 import java.util.Iterator;
 import java.util.List;
 
-import org.apache.commons.logging.Log;
-import org.apache.commons.logging.LogFactory;
 import org.apache.hadoop.hbase.ServerName;
 import org.apache.hadoop.hbase.TableName;
 import org.apache.hadoop.hbase.client.RegionInfo;
@@ -38,6 +36,8 @@ import org.apache.hadoop.hbase.procedure2.ProcedureStateSerializer;
 import org.apache.hadoop.hbase.procedure2.ProcedureSuspendedException;
 import org.apache.hadoop.hbase.procedure2.ProcedureYieldException;
 import org.apache.hadoop.hbase.procedure2.StateMachineProcedure;
+import org.slf4j.Logger;
+import org.slf4j.LoggerFactory;
 
 import org.apache.hadoop.hbase.shaded.protobuf.ProtobufUtil;
 import org.apache.hadoop.hbase.shaded.protobuf.generated.MasterProcedureProtos;
@@ -56,7 +56,7 @@ import org.apache.hadoop.hbase.shaded.protobuf.generated.MasterProcedureProtos.S
 public class ServerCrashProcedure
 extends StateMachineProcedure<MasterProcedureEnv, ServerCrashState>
 implements ServerProcedureInterface {
-  private static final Log LOG = LogFactory.getLog(ServerCrashProcedure.class);
+  private static final Logger LOG = LoggerFactory.getLogger(ServerCrashProcedure.class);
 
   /**
    * Name of the crashed server to process.

http://git-wip-us.apache.org/repos/asf/hbase/blob/f572c4b8/hbase-server/src/main/java/org/apache/hadoop/hbase/master/procedure/TruncateTableProcedure.java
----------------------------------------------------------------------
diff --git a/hbase-server/src/main/java/org/apache/hadoop/hbase/master/procedure/TruncateTableProcedure.java b/hbase-server/src/main/java/org/apache/hadoop/hbase/master/procedure/TruncateTableProcedure.java
index dce3b41..541fb8e 100644
--- a/hbase-server/src/main/java/org/apache/hadoop/hbase/master/procedure/TruncateTableProcedure.java
+++ b/hbase-server/src/main/java/org/apache/hadoop/hbase/master/procedure/TruncateTableProcedure.java
@@ -23,8 +23,6 @@ import java.util.ArrayList;
 import java.util.Arrays;
 import java.util.List;
 
-import org.apache.commons.logging.Log;
-import org.apache.commons.logging.LogFactory;
 import org.apache.hadoop.hbase.TableName;
 import org.apache.hadoop.hbase.TableNotDisabledException;
 import org.apache.hadoop.hbase.TableNotFoundException;
@@ -36,7 +34,8 @@ import org.apache.hadoop.hbase.master.MasterCoprocessorHost;
 import org.apache.hadoop.hbase.procedure2.ProcedureStateSerializer;
 import org.apache.hadoop.hbase.util.ModifyRegionUtils;
 import org.apache.yetus.audience.InterfaceAudience;
-
+import org.slf4j.Logger;
+import org.slf4j.LoggerFactory;
 import org.apache.hadoop.hbase.shaded.protobuf.ProtobufUtil;
 import org.apache.hadoop.hbase.shaded.protobuf.generated.HBaseProtos;
 import org.apache.hadoop.hbase.shaded.protobuf.generated.MasterProcedureProtos;
@@ -45,7 +44,7 @@ import org.apache.hadoop.hbase.shaded.protobuf.generated.MasterProcedureProtos.T
 @InterfaceAudience.Private
 public class TruncateTableProcedure
     extends AbstractStateMachineTableProcedure<TruncateTableState> {
-  private static final Log LOG = LogFactory.getLog(TruncateTableProcedure.class);
+  private static final Logger LOG = LoggerFactory.getLogger(TruncateTableProcedure.class);
 
   private boolean preserveSplits;
   private List<RegionInfo> regions;

http://git-wip-us.apache.org/repos/asf/hbase/blob/f572c4b8/hbase-server/src/main/java/org/apache/hadoop/hbase/master/snapshot/DisabledTableSnapshotHandler.java
----------------------------------------------------------------------
diff --git a/hbase-server/src/main/java/org/apache/hadoop/hbase/master/snapshot/DisabledTableSnapshotHandler.java b/hbase-server/src/main/java/org/apache/hadoop/hbase/master/snapshot/DisabledTableSnapshotHandler.java
index 84c154f..ee5afd7 100644
--- a/hbase-server/src/main/java/org/apache/hadoop/hbase/master/snapshot/DisabledTableSnapshotHandler.java
+++ b/hbase-server/src/main/java/org/apache/hadoop/hbase/master/snapshot/DisabledTableSnapshotHandler.java
@@ -23,8 +23,6 @@ import java.util.List;
 import java.util.Set;
 import java.util.concurrent.ThreadPoolExecutor;
 
-import org.apache.commons.logging.Log;
-import org.apache.commons.logging.LogFactory;
 import org.apache.hadoop.hbase.ServerName;
 import org.apache.hadoop.hbase.client.RegionInfo;
 import org.apache.hadoop.hbase.client.RegionReplicaUtil;
@@ -39,7 +37,8 @@ import org.apache.hadoop.hbase.util.Pair;
 import org.apache.yetus.audience.InterfaceAudience;
 import org.apache.yetus.audience.InterfaceStability;
 import org.apache.zookeeper.KeeperException;
-
+import org.slf4j.Logger;
+import org.slf4j.LoggerFactory;
 import org.apache.hadoop.hbase.shaded.protobuf.generated.SnapshotProtos.SnapshotDescription;
 
 /**
@@ -50,7 +49,7 @@ import org.apache.hadoop.hbase.shaded.protobuf.generated.SnapshotProtos.Snapshot
 @InterfaceAudience.Private
 @InterfaceStability.Evolving
 public class DisabledTableSnapshotHandler extends TakeSnapshotHandler {
-  private static final Log LOG = LogFactory.getLog(DisabledTableSnapshotHandler.class);
+  private static final Logger LOG = LoggerFactory.getLogger(DisabledTableSnapshotHandler.class);
 
   /**
    * @param snapshot descriptor of the snapshot to take

http://git-wip-us.apache.org/repos/asf/hbase/blob/f572c4b8/hbase-server/src/main/java/org/apache/hadoop/hbase/master/snapshot/EnabledTableSnapshotHandler.java
----------------------------------------------------------------------
diff --git a/hbase-server/src/main/java/org/apache/hadoop/hbase/master/snapshot/EnabledTableSnapshotHandler.java b/hbase-server/src/main/java/org/apache/hadoop/hbase/master/snapshot/EnabledTableSnapshotHandler.java
index 399a127..db2b9c8 100644
--- a/hbase-server/src/main/java/org/apache/hadoop/hbase/master/snapshot/EnabledTableSnapshotHandler.java
+++ b/hbase-server/src/main/java/org/apache/hadoop/hbase/master/snapshot/EnabledTableSnapshotHandler.java
@@ -22,8 +22,6 @@ import java.util.HashSet;
 import java.util.List;
 import java.util.Set;
 
-import org.apache.commons.logging.Log;
-import org.apache.commons.logging.LogFactory;
 import org.apache.hadoop.hbase.ServerName;
 import org.apache.hadoop.hbase.client.RegionInfo;
 import org.apache.hadoop.hbase.errorhandling.ForeignException;
@@ -34,7 +32,8 @@ import org.apache.hadoop.hbase.procedure.ProcedureCoordinator;
 import org.apache.hadoop.hbase.snapshot.HBaseSnapshotException;
 import org.apache.hadoop.hbase.util.Pair;
 import org.apache.yetus.audience.InterfaceAudience;
-
+import org.slf4j.Logger;
+import org.slf4j.LoggerFactory;
 import org.apache.hadoop.hbase.shaded.com.google.common.collect.Lists;
 import org.apache.hadoop.hbase.shaded.protobuf.generated.SnapshotProtos.SnapshotDescription;
 
@@ -46,7 +45,7 @@ import org.apache.hadoop.hbase.shaded.protobuf.generated.SnapshotProtos.Snapshot
 @InterfaceAudience.Private
 public class EnabledTableSnapshotHandler extends TakeSnapshotHandler {
 
-  private static final Log LOG = LogFactory.getLog(EnabledTableSnapshotHandler.class);
+  private static final Logger LOG = LoggerFactory.getLogger(EnabledTableSnapshotHandler.class);
   private final ProcedureCoordinator coordinator;
 
   public EnabledTableSnapshotHandler(SnapshotDescription snapshot, MasterServices master,

http://git-wip-us.apache.org/repos/asf/hbase/blob/f572c4b8/hbase-server/src/main/java/org/apache/hadoop/hbase/master/snapshot/MasterSnapshotVerifier.java
----------------------------------------------------------------------
diff --git a/hbase-server/src/main/java/org/apache/hadoop/hbase/master/snapshot/MasterSnapshotVerifier.java b/hbase-server/src/main/java/org/apache/hadoop/hbase/master/snapshot/MasterSnapshotVerifier.java
index b698082..1e1a3c4 100644
--- a/hbase-server/src/main/java/org/apache/hadoop/hbase/master/snapshot/MasterSnapshotVerifier.java
+++ b/hbase-server/src/main/java/org/apache/hadoop/hbase/master/snapshot/MasterSnapshotVerifier.java
@@ -22,8 +22,6 @@ import java.util.List;
 import java.util.Map;
 import java.util.Set;
 
-import org.apache.commons.logging.Log;
-import org.apache.commons.logging.LogFactory;
 import org.apache.hadoop.fs.FileSystem;
 import org.apache.hadoop.fs.Path;
 import org.apache.hadoop.hbase.MetaTableAccessor;
@@ -41,7 +39,8 @@ import org.apache.hadoop.hbase.snapshot.SnapshotReferenceUtil;
 import org.apache.hadoop.hbase.zookeeper.MetaTableLocator;
 import org.apache.yetus.audience.InterfaceAudience;
 import org.apache.yetus.audience.InterfaceStability;
-
+import org.slf4j.Logger;
+import org.slf4j.LoggerFactory;
 import org.apache.hadoop.hbase.shaded.protobuf.ProtobufUtil;
 import org.apache.hadoop.hbase.shaded.protobuf.generated.SnapshotProtos.SnapshotDescription;
 import org.apache.hadoop.hbase.shaded.protobuf.generated.SnapshotProtos.SnapshotRegionManifest;
@@ -77,7 +76,7 @@ import org.apache.hadoop.hbase.shaded.protobuf.generated.SnapshotProtos.Snapshot
 @InterfaceAudience.Private
 @InterfaceStability.Unstable
 public final class MasterSnapshotVerifier {
-  private static final Log LOG = LogFactory.getLog(MasterSnapshotVerifier.class);
+  private static final Logger LOG = LoggerFactory.getLogger(MasterSnapshotVerifier.class);
 
   private SnapshotDescription snapshot;
   private FileSystem fs;

http://git-wip-us.apache.org/repos/asf/hbase/blob/f572c4b8/hbase-server/src/main/java/org/apache/hadoop/hbase/master/snapshot/SnapshotFileCache.java
----------------------------------------------------------------------
diff --git a/hbase-server/src/main/java/org/apache/hadoop/hbase/master/snapshot/SnapshotFileCache.java b/hbase-server/src/main/java/org/apache/hadoop/hbase/master/snapshot/SnapshotFileCache.java
index 56d1319..560e7f5 100644
--- a/hbase-server/src/main/java/org/apache/hadoop/hbase/master/snapshot/SnapshotFileCache.java
+++ b/hbase-server/src/main/java/org/apache/hadoop/hbase/master/snapshot/SnapshotFileCache.java
@@ -29,12 +29,6 @@ import java.util.Timer;
 import java.util.TimerTask;
 import java.util.concurrent.locks.ReentrantLock;
 
-import org.apache.hadoop.hbase.shaded.com.google.common.annotations.VisibleForTesting;
-import org.apache.hadoop.hbase.shaded.com.google.common.collect.Lists;
-import org.apache.commons.logging.Log;
-import org.apache.commons.logging.LogFactory;
-import org.apache.yetus.audience.InterfaceAudience;
-import org.apache.yetus.audience.InterfaceStability;
 import org.apache.hadoop.conf.Configuration;
 import org.apache.hadoop.fs.FileStatus;
 import org.apache.hadoop.fs.FileSystem;
@@ -43,6 +37,13 @@ import org.apache.hadoop.hbase.Stoppable;
 import org.apache.hadoop.hbase.snapshot.CorruptedSnapshotException;
 import org.apache.hadoop.hbase.snapshot.SnapshotDescriptionUtils;
 import org.apache.hadoop.hbase.util.FSUtils;
+import org.apache.yetus.audience.InterfaceAudience;
+import org.apache.yetus.audience.InterfaceStability;
+import org.slf4j.Logger;
+import org.slf4j.LoggerFactory;
+
+import org.apache.hadoop.hbase.shaded.com.google.common.annotations.VisibleForTesting;
+import org.apache.hadoop.hbase.shaded.com.google.common.collect.Lists;
 
 /**
  * Intelligently keep track of all the files for all the snapshots.
@@ -85,7 +86,7 @@ public class SnapshotFileCache implements Stoppable {
     Collection<String> filesUnderSnapshot(final Path snapshotDir) throws IOException;
   }
 
-  private static final Log LOG = LogFactory.getLog(SnapshotFileCache.class);
+  private static final Logger LOG = LoggerFactory.getLogger(SnapshotFileCache.class);
   private volatile boolean stop = false;
   private final FileSystem fs;
   private final SnapshotFileInspector fileInspector;

http://git-wip-us.apache.org/repos/asf/hbase/blob/f572c4b8/hbase-server/src/main/java/org/apache/hadoop/hbase/master/snapshot/SnapshotHFileCleaner.java
----------------------------------------------------------------------
diff --git a/hbase-server/src/main/java/org/apache/hadoop/hbase/master/snapshot/SnapshotHFileCleaner.java b/hbase-server/src/main/java/org/apache/hadoop/hbase/master/snapshot/SnapshotHFileCleaner.java
index f3ca993..a8475f0 100644
--- a/hbase-server/src/main/java/org/apache/hadoop/hbase/master/snapshot/SnapshotHFileCleaner.java
+++ b/hbase-server/src/main/java/org/apache/hadoop/hbase/master/snapshot/SnapshotHFileCleaner.java
@@ -22,10 +22,10 @@ import java.util.Collection;
 import java.util.Collections;
 import java.util.Map;
 
-import org.apache.commons.logging.Log;
-import org.apache.commons.logging.LogFactory;
 import org.apache.yetus.audience.InterfaceAudience;
 import org.apache.yetus.audience.InterfaceStability;
+import org.slf4j.Logger;
+import org.slf4j.LoggerFactory;
 import org.apache.hadoop.conf.Configuration;
 import org.apache.hadoop.fs.FileStatus;
 import org.apache.hadoop.fs.FileSystem;
@@ -45,7 +45,7 @@ import org.apache.hadoop.hbase.util.FSUtils;
 @InterfaceAudience.LimitedPrivate(HBaseInterfaceAudience.CONFIG)
 @InterfaceStability.Evolving
 public class SnapshotHFileCleaner extends BaseHFileCleanerDelegate {
-  private static final Log LOG = LogFactory.getLog(SnapshotHFileCleaner.class);
+  private static final Logger LOG = LoggerFactory.getLogger(SnapshotHFileCleaner.class);
 
   /**
    * Conf key for the frequency to attempt to refresh the cache of hfiles currently used in

http://git-wip-us.apache.org/repos/asf/hbase/blob/f572c4b8/hbase-server/src/main/java/org/apache/hadoop/hbase/master/snapshot/SnapshotManager.java
----------------------------------------------------------------------
diff --git a/hbase-server/src/main/java/org/apache/hadoop/hbase/master/snapshot/SnapshotManager.java b/hbase-server/src/main/java/org/apache/hadoop/hbase/master/snapshot/SnapshotManager.java
index 20a4f39..3870601 100644
--- a/hbase-server/src/main/java/org/apache/hadoop/hbase/master/snapshot/SnapshotManager.java
+++ b/hbase-server/src/main/java/org/apache/hadoop/hbase/master/snapshot/SnapshotManager.java
@@ -29,8 +29,6 @@ import java.util.Map;
 import java.util.Set;
 import java.util.concurrent.ThreadPoolExecutor;
 
-import org.apache.commons.logging.Log;
-import org.apache.commons.logging.LogFactory;
 import org.apache.hadoop.conf.Configuration;
 import org.apache.hadoop.fs.FSDataInputStream;
 import org.apache.hadoop.fs.FileStatus;
@@ -83,7 +81,8 @@ import org.apache.hadoop.hbase.util.NonceKey;
 import org.apache.yetus.audience.InterfaceAudience;
 import org.apache.yetus.audience.InterfaceStability;
 import org.apache.zookeeper.KeeperException;
-
+import org.slf4j.Logger;
+import org.slf4j.LoggerFactory;
 import org.apache.hadoop.hbase.shaded.protobuf.ProtobufUtil;
 import org.apache.hadoop.hbase.shaded.protobuf.generated.HBaseProtos.NameStringPair;
 import org.apache.hadoop.hbase.shaded.protobuf.generated.HBaseProtos.ProcedureDescription;
@@ -102,7 +101,7 @@ import org.apache.hadoop.hbase.shaded.protobuf.generated.SnapshotProtos.Snapshot
 @InterfaceAudience.LimitedPrivate(HBaseInterfaceAudience.CONFIG)
 @InterfaceStability.Unstable
 public class SnapshotManager extends MasterProcedureManager implements Stoppable {
-  private static final Log LOG = LogFactory.getLog(SnapshotManager.class);
+  private static final Logger LOG = LoggerFactory.getLogger(SnapshotManager.class);
 
   /** By default, check to see if the snapshot is complete every WAKE MILLIS (ms) */
   private static final int SNAPSHOT_WAKE_MILLIS_DEFAULT = 500;

http://git-wip-us.apache.org/repos/asf/hbase/blob/f572c4b8/hbase-server/src/main/java/org/apache/hadoop/hbase/master/snapshot/TakeSnapshotHandler.java
----------------------------------------------------------------------
diff --git a/hbase-server/src/main/java/org/apache/hadoop/hbase/master/snapshot/TakeSnapshotHandler.java b/hbase-server/src/main/java/org/apache/hadoop/hbase/master/snapshot/TakeSnapshotHandler.java
index 808cab5..9b077d1 100644
--- a/hbase-server/src/main/java/org/apache/hadoop/hbase/master/snapshot/TakeSnapshotHandler.java
+++ b/hbase-server/src/main/java/org/apache/hadoop/hbase/master/snapshot/TakeSnapshotHandler.java
@@ -25,8 +25,6 @@ import java.util.Set;
 import java.util.concurrent.CancellationException;
 import java.util.concurrent.locks.ReentrantLock;
 
-import org.apache.commons.logging.Log;
-import org.apache.commons.logging.LogFactory;
 import org.apache.hadoop.conf.Configuration;
 import org.apache.hadoop.fs.FileSystem;
 import org.apache.hadoop.fs.Path;
@@ -56,7 +54,8 @@ import org.apache.hadoop.hbase.util.Pair;
 import org.apache.hadoop.hbase.zookeeper.MetaTableLocator;
 import org.apache.yetus.audience.InterfaceAudience;
 import org.apache.zookeeper.KeeperException;
-
+import org.slf4j.Logger;
+import org.slf4j.LoggerFactory;
 import org.apache.hadoop.hbase.shaded.protobuf.generated.SnapshotProtos.SnapshotDescription;
 
 /**
@@ -69,7 +68,7 @@ import org.apache.hadoop.hbase.shaded.protobuf.generated.SnapshotProtos.Snapshot
 @InterfaceAudience.Private
 public abstract class TakeSnapshotHandler extends EventHandler implements SnapshotSentinel,
     ForeignExceptionSnare {
-  private static final Log LOG = LogFactory.getLog(TakeSnapshotHandler.class);
+  private static final Logger LOG = LoggerFactory.getLogger(TakeSnapshotHandler.class);
 
   private volatile boolean finished;
 

http://git-wip-us.apache.org/repos/asf/hbase/blob/f572c4b8/hbase-server/src/main/java/org/apache/hadoop/hbase/mob/DefaultMobStoreCompactor.java
----------------------------------------------------------------------
diff --git a/hbase-server/src/main/java/org/apache/hadoop/hbase/mob/DefaultMobStoreCompactor.java b/hbase-server/src/main/java/org/apache/hadoop/hbase/mob/DefaultMobStoreCompactor.java
index 447629b..01c195a 100644
--- a/hbase-server/src/main/java/org/apache/hadoop/hbase/mob/DefaultMobStoreCompactor.java
+++ b/hbase-server/src/main/java/org/apache/hadoop/hbase/mob/DefaultMobStoreCompactor.java
@@ -23,8 +23,6 @@ import java.util.ArrayList;
 import java.util.Date;
 import java.util.List;
 
-import org.apache.commons.logging.Log;
-import org.apache.commons.logging.LogFactory;
 import org.apache.hadoop.conf.Configuration;
 import org.apache.hadoop.fs.Path;
 import org.apache.hadoop.hbase.Cell;
@@ -52,6 +50,8 @@ import org.apache.hadoop.hbase.security.User;
 import org.apache.hadoop.hbase.util.Bytes;
 import org.apache.hadoop.hbase.util.EnvironmentEdgeManager;
 import org.apache.yetus.audience.InterfaceAudience;
+import org.slf4j.Logger;
+import org.slf4j.LoggerFactory;
 
 /**
  * Compact passed set of files in the mob-enabled column family.
@@ -59,7 +59,7 @@ import org.apache.yetus.audience.InterfaceAudience;
 @InterfaceAudience.Private
 public class DefaultMobStoreCompactor extends DefaultCompactor {
 
-  private static final Log LOG = LogFactory.getLog(DefaultMobStoreCompactor.class);
+  private static final Logger LOG = LoggerFactory.getLogger(DefaultMobStoreCompactor.class);
   private long mobSizeThreshold;
   private HMobStore mobStore;
 

http://git-wip-us.apache.org/repos/asf/hbase/blob/f572c4b8/hbase-server/src/main/java/org/apache/hadoop/hbase/mob/DefaultMobStoreFlusher.java
----------------------------------------------------------------------
diff --git a/hbase-server/src/main/java/org/apache/hadoop/hbase/mob/DefaultMobStoreFlusher.java b/hbase-server/src/main/java/org/apache/hadoop/hbase/mob/DefaultMobStoreFlusher.java
index 27809c4..a932dad 100644
--- a/hbase-server/src/main/java/org/apache/hadoop/hbase/mob/DefaultMobStoreFlusher.java
+++ b/hbase-server/src/main/java/org/apache/hadoop/hbase/mob/DefaultMobStoreFlusher.java
@@ -24,8 +24,6 @@ import java.util.ArrayList;
 import java.util.Date;
 import java.util.List;
 
-import org.apache.commons.logging.Log;
-import org.apache.commons.logging.LogFactory;
 import org.apache.hadoop.conf.Configuration;
 import org.apache.hadoop.fs.Path;
 import org.apache.hadoop.hbase.Cell;
@@ -46,6 +44,8 @@ import org.apache.hadoop.hbase.regionserver.throttle.ThroughputController;
 import org.apache.hadoop.hbase.util.Bytes;
 import org.apache.hadoop.util.StringUtils;
 import org.apache.yetus.audience.InterfaceAudience;
+import org.slf4j.Logger;
+import org.slf4j.LoggerFactory;
 
 /**
  * An implementation of the StoreFlusher. It extends the DefaultStoreFlusher.
@@ -65,7 +65,7 @@ import org.apache.yetus.audience.InterfaceAudience;
 @InterfaceAudience.Private
 public class DefaultMobStoreFlusher extends DefaultStoreFlusher {
 
-  private static final Log LOG = LogFactory.getLog(DefaultMobStoreFlusher.class);
+  private static final Logger LOG = LoggerFactory.getLogger(DefaultMobStoreFlusher.class);
   private final Object flushLock = new Object();
   private long mobCellValueSizeThreshold = 0;
   private Path targetPath;

http://git-wip-us.apache.org/repos/asf/hbase/blob/f572c4b8/hbase-server/src/main/java/org/apache/hadoop/hbase/mob/ExpiredMobFileCleaner.java
----------------------------------------------------------------------
diff --git a/hbase-server/src/main/java/org/apache/hadoop/hbase/mob/ExpiredMobFileCleaner.java b/hbase-server/src/main/java/org/apache/hadoop/hbase/mob/ExpiredMobFileCleaner.java
index 3924ee6..053cba6 100644
--- a/hbase-server/src/main/java/org/apache/hadoop/hbase/mob/ExpiredMobFileCleaner.java
+++ b/hbase-server/src/main/java/org/apache/hadoop/hbase/mob/ExpiredMobFileCleaner.java
@@ -20,8 +20,6 @@ package org.apache.hadoop.hbase.mob;
 
 import java.io.IOException;
 
-import org.apache.commons.logging.Log;
-import org.apache.commons.logging.LogFactory;
 import org.apache.hadoop.conf.Configuration;
 import org.apache.hadoop.conf.Configured;
 import org.apache.hadoop.fs.FileSystem;
@@ -29,6 +27,8 @@ import org.apache.hadoop.hbase.HBaseConfiguration;
 import org.apache.hadoop.hbase.HConstants;
 import org.apache.hadoop.hbase.TableName;
 import org.apache.yetus.audience.InterfaceAudience;
+import org.slf4j.Logger;
+import org.slf4j.LoggerFactory;
 import org.apache.hadoop.hbase.client.Admin;
 import org.apache.hadoop.hbase.client.ColumnFamilyDescriptor;
 import org.apache.hadoop.hbase.client.Connection;
@@ -47,7 +47,7 @@ import org.apache.hadoop.util.ToolRunner;
 @InterfaceAudience.Private
 public class ExpiredMobFileCleaner extends Configured implements Tool {
 
-  private static final Log LOG = LogFactory.getLog(ExpiredMobFileCleaner.class);
+  private static final Logger LOG = LoggerFactory.getLogger(ExpiredMobFileCleaner.class);
   /**
    * Cleans the MOB files when they're expired and their min versions are 0.
    * If the latest timestamp of Cells in a MOB file is older than the TTL in the column family,

http://git-wip-us.apache.org/repos/asf/hbase/blob/f572c4b8/hbase-server/src/main/java/org/apache/hadoop/hbase/mob/MobFileCache.java
----------------------------------------------------------------------
diff --git a/hbase-server/src/main/java/org/apache/hadoop/hbase/mob/MobFileCache.java b/hbase-server/src/main/java/org/apache/hadoop/hbase/mob/MobFileCache.java
index 813de8c..13caee6 100644
--- a/hbase-server/src/main/java/org/apache/hadoop/hbase/mob/MobFileCache.java
+++ b/hbase-server/src/main/java/org/apache/hadoop/hbase/mob/MobFileCache.java
@@ -31,12 +31,12 @@ import java.util.concurrent.atomic.AtomicLong;
 import java.util.concurrent.atomic.LongAdder;
 import java.util.concurrent.locks.ReentrantLock;
 
-import org.apache.commons.logging.Log;
-import org.apache.commons.logging.LogFactory;
 import org.apache.hadoop.conf.Configuration;
 import org.apache.hadoop.fs.FileSystem;
 import org.apache.hadoop.fs.Path;
 import org.apache.yetus.audience.InterfaceAudience;
+import org.slf4j.Logger;
+import org.slf4j.LoggerFactory;
 import org.apache.hadoop.hbase.util.IdLock;
 
 import org.apache.hadoop.hbase.shaded.com.google.common.util.concurrent.ThreadFactoryBuilder;
@@ -50,7 +50,7 @@ import org.apache.hadoop.hbase.shaded.com.google.common.util.concurrent.ThreadFa
 @InterfaceAudience.Private
 public class MobFileCache {
 
-  private static final Log LOG = LogFactory.getLog(MobFileCache.class);
+  private static final Logger LOG = LoggerFactory.getLogger(MobFileCache.class);
 
   /*
    * Eviction and statistics thread. Periodically run to print the statistics and

http://git-wip-us.apache.org/repos/asf/hbase/blob/f572c4b8/hbase-server/src/main/java/org/apache/hadoop/hbase/mob/MobUtils.java
----------------------------------------------------------------------
diff --git a/hbase-server/src/main/java/org/apache/hadoop/hbase/mob/MobUtils.java b/hbase-server/src/main/java/org/apache/hadoop/hbase/mob/MobUtils.java
index b68e4ff..9fa4e4c 100644
--- a/hbase-server/src/main/java/org/apache/hadoop/hbase/mob/MobUtils.java
+++ b/hbase-server/src/main/java/org/apache/hadoop/hbase/mob/MobUtils.java
@@ -36,8 +36,6 @@ import java.util.concurrent.SynchronousQueue;
 import java.util.concurrent.ThreadPoolExecutor;
 import java.util.concurrent.TimeUnit;
 
-import org.apache.commons.logging.Log;
-import org.apache.commons.logging.LogFactory;
 import org.apache.hadoop.conf.Configuration;
 import org.apache.hadoop.fs.FileStatus;
 import org.apache.hadoop.fs.FileSystem;
@@ -79,6 +77,8 @@ import org.apache.hadoop.hbase.util.FSUtils;
 import org.apache.hadoop.hbase.util.ReflectionUtils;
 import org.apache.hadoop.hbase.util.Threads;
 import org.apache.yetus.audience.InterfaceAudience;
+import org.slf4j.Logger;
+import org.slf4j.LoggerFactory;
 
 /**
  * The mob utilities
@@ -86,7 +86,7 @@ import org.apache.yetus.audience.InterfaceAudience;
 @InterfaceAudience.Private
 public final class MobUtils {
 
-  private static final Log LOG = LogFactory.getLog(MobUtils.class);
+  private static final Logger LOG = LoggerFactory.getLogger(MobUtils.class);
   private final static long WEEKLY_THRESHOLD_MULTIPLIER = 7;
   private final static long MONTHLY_THRESHOLD_MULTIPLIER = 4 * WEEKLY_THRESHOLD_MULTIPLIER;
 

http://git-wip-us.apache.org/repos/asf/hbase/blob/f572c4b8/hbase-server/src/main/java/org/apache/hadoop/hbase/mob/compactions/PartitionedMobCompactor.java
----------------------------------------------------------------------
diff --git a/hbase-server/src/main/java/org/apache/hadoop/hbase/mob/compactions/PartitionedMobCompactor.java b/hbase-server/src/main/java/org/apache/hadoop/hbase/mob/compactions/PartitionedMobCompactor.java
index cf661db..9c23470 100644
--- a/hbase-server/src/main/java/org/apache/hadoop/hbase/mob/compactions/PartitionedMobCompactor.java
+++ b/hbase-server/src/main/java/org/apache/hadoop/hbase/mob/compactions/PartitionedMobCompactor.java
@@ -35,13 +35,12 @@ import java.util.List;
 import java.util.Map;
 import java.util.Map.Entry;
 import java.util.NavigableMap;
+import java.util.Objects;
 import java.util.TreeMap;
 import java.util.concurrent.Callable;
 import java.util.concurrent.ExecutorService;
 import java.util.concurrent.Future;
 
-import org.apache.commons.logging.Log;
-import org.apache.commons.logging.LogFactory;
 import org.apache.hadoop.conf.Configuration;
 import org.apache.hadoop.fs.FileStatus;
 import org.apache.hadoop.fs.FileSystem;
@@ -49,7 +48,6 @@ import org.apache.hadoop.fs.Path;
 import org.apache.hadoop.hbase.ArrayBackedTag;
 import org.apache.hadoop.hbase.Cell;
 import org.apache.hadoop.hbase.CellComparator;
-import org.apache.hadoop.hbase.CellComparatorImpl;
 import org.apache.hadoop.hbase.HConstants;
 import org.apache.hadoop.hbase.TableName;
 import org.apache.hadoop.hbase.Tag;
@@ -90,6 +88,8 @@ import org.apache.hadoop.hbase.util.Bytes;
 import org.apache.hadoop.hbase.util.EnvironmentEdgeManager;
 import org.apache.hadoop.hbase.util.Pair;
 import org.apache.yetus.audience.InterfaceAudience;
+import org.slf4j.Logger;
+import org.slf4j.LoggerFactory;
 
 /**
  * An implementation of {@link MobCompactor} that compacts the mob files in partitions.
@@ -97,7 +97,7 @@ import org.apache.yetus.audience.InterfaceAudience;
 @InterfaceAudience.Private
 public class PartitionedMobCompactor extends MobCompactor {
 
-  private static final Log LOG = LogFactory.getLog(PartitionedMobCompactor.class);
+  private static final Logger LOG = LoggerFactory.getLogger(PartitionedMobCompactor.class);
   protected long mergeableSize;
   protected int delFileMaxCount;
   /** The number of files compacted in a batch */
@@ -362,7 +362,7 @@ public class PartitionedMobCompactor extends MobCompactor {
       LOG.info(
           "After a mob compaction with all files selected, archiving the del files ");
       for (CompactionDelPartition delPartition : request.getDelPartitions()) {
-        LOG.info(delPartition.listDelFiles());
+        LOG.info(Objects.toString(delPartition.listDelFiles()));
         try {
           MobUtils.removeMobFiles(conf, fs, tableName, mobTableDir, column.getName(),
             delPartition.getStoreFiles());

http://git-wip-us.apache.org/repos/asf/hbase/blob/f572c4b8/hbase-server/src/main/java/org/apache/hadoop/hbase/monitoring/TaskMonitor.java
----------------------------------------------------------------------
diff --git a/hbase-server/src/main/java/org/apache/hadoop/hbase/monitoring/TaskMonitor.java b/hbase-server/src/main/java/org/apache/hadoop/hbase/monitoring/TaskMonitor.java
index 837ddf0..61d00075 100644
--- a/hbase-server/src/main/java/org/apache/hadoop/hbase/monitoring/TaskMonitor.java
+++ b/hbase-server/src/main/java/org/apache/hadoop/hbase/monitoring/TaskMonitor.java
@@ -28,11 +28,11 @@ import java.util.Iterator;
 import java.util.List;
 
 import org.apache.commons.collections4.queue.CircularFifoQueue;
-import org.apache.commons.logging.Log;
-import org.apache.commons.logging.LogFactory;
 import org.apache.hadoop.conf.Configuration;
 import org.apache.hadoop.hbase.HBaseConfiguration;
 import org.apache.yetus.audience.InterfaceAudience;
+import org.slf4j.Logger;
+import org.slf4j.LoggerFactory;
 import org.apache.hadoop.hbase.util.EnvironmentEdgeManager;
 import org.apache.hadoop.hbase.util.Threads;
 
@@ -45,7 +45,7 @@ import org.apache.hadoop.hbase.shaded.com.google.common.collect.Lists;
  */
 @InterfaceAudience.Private
 public class TaskMonitor {
-  private static final Log LOG = LogFactory.getLog(TaskMonitor.class);
+  private static final Logger LOG = LoggerFactory.getLogger(TaskMonitor.class);
 
   public static final String MAX_TASKS_KEY = "hbase.taskmonitor.max.tasks";
   public static final int DEFAULT_MAX_TASKS = 1000;

http://git-wip-us.apache.org/repos/asf/hbase/blob/f572c4b8/hbase-server/src/main/java/org/apache/hadoop/hbase/namespace/NamespaceAuditor.java
----------------------------------------------------------------------
diff --git a/hbase-server/src/main/java/org/apache/hadoop/hbase/namespace/NamespaceAuditor.java b/hbase-server/src/main/java/org/apache/hadoop/hbase/namespace/NamespaceAuditor.java
index efe2c1e..0a74b09 100644
--- a/hbase-server/src/main/java/org/apache/hadoop/hbase/namespace/NamespaceAuditor.java
+++ b/hbase-server/src/main/java/org/apache/hadoop/hbase/namespace/NamespaceAuditor.java
@@ -19,8 +19,6 @@ package org.apache.hadoop.hbase.namespace;
 
 import java.io.IOException;
 
-import org.apache.commons.logging.Log;
-import org.apache.commons.logging.LogFactory;
 import org.apache.hadoop.hbase.HBaseIOException;
 import org.apache.hadoop.hbase.MetaTableAccessor;
 import org.apache.hadoop.hbase.NamespaceDescriptor;
@@ -30,6 +28,8 @@ import org.apache.hadoop.hbase.client.RegionInfo;
 import org.apache.hadoop.hbase.master.MasterServices;
 import org.apache.hadoop.hbase.quotas.QuotaExceededException;
 import org.apache.yetus.audience.InterfaceAudience;
+import org.slf4j.Logger;
+import org.slf4j.LoggerFactory;
 
 /**
  * The Class NamespaceAuditor performs checks to ensure operations like table creation
@@ -38,7 +38,7 @@ import org.apache.yetus.audience.InterfaceAudience;
  */
 @InterfaceAudience.Private
 public class NamespaceAuditor {
-  private static final Log LOG = LogFactory.getLog(NamespaceAuditor.class);
+  private static final Logger LOG = LoggerFactory.getLogger(NamespaceAuditor.class);
   private NamespaceStateManager stateManager;
   private MasterServices masterServices;
 

http://git-wip-us.apache.org/repos/asf/hbase/blob/f572c4b8/hbase-server/src/main/java/org/apache/hadoop/hbase/namespace/NamespaceStateManager.java
----------------------------------------------------------------------
diff --git a/hbase-server/src/main/java/org/apache/hadoop/hbase/namespace/NamespaceStateManager.java b/hbase-server/src/main/java/org/apache/hadoop/hbase/namespace/NamespaceStateManager.java
index c62594a..3cf5a25 100644
--- a/hbase-server/src/main/java/org/apache/hadoop/hbase/namespace/NamespaceStateManager.java
+++ b/hbase-server/src/main/java/org/apache/hadoop/hbase/namespace/NamespaceStateManager.java
@@ -22,8 +22,6 @@ import java.util.List;
 import java.util.concurrent.ConcurrentHashMap;
 import java.util.concurrent.ConcurrentMap;
 
-import org.apache.commons.logging.Log;
-import org.apache.commons.logging.LogFactory;
 import org.apache.hadoop.hbase.MetaTableAccessor;
 import org.apache.hadoop.hbase.NamespaceDescriptor;
 import org.apache.hadoop.hbase.TableName;
@@ -33,6 +31,8 @@ import org.apache.hadoop.hbase.master.TableNamespaceManager;
 import org.apache.hadoop.hbase.quotas.QuotaExceededException;
 import org.apache.hadoop.hbase.util.Bytes;
 import org.apache.yetus.audience.InterfaceAudience;
+import org.slf4j.Logger;
+import org.slf4j.LoggerFactory;
 
 /**
  * NamespaceStateManager manages state (in terms of quota) of all the namespaces. It contains
@@ -41,7 +41,7 @@ import org.apache.yetus.audience.InterfaceAudience;
 @InterfaceAudience.Private
 class NamespaceStateManager {
 
-  private static final Log LOG = LogFactory.getLog(NamespaceStateManager.class);
+  private static final Logger LOG = LoggerFactory.getLogger(NamespaceStateManager.class);
   private ConcurrentMap<String, NamespaceTableAndRegionInfo> nsStateCache;
   private MasterServices master;
   private volatile boolean initialized = false;

http://git-wip-us.apache.org/repos/asf/hbase/blob/f572c4b8/hbase-server/src/main/java/org/apache/hadoop/hbase/procedure/Procedure.java
----------------------------------------------------------------------
diff --git a/hbase-server/src/main/java/org/apache/hadoop/hbase/procedure/Procedure.java b/hbase-server/src/main/java/org/apache/hadoop/hbase/procedure/Procedure.java
index 1e12304..15e882b 100644
--- a/hbase-server/src/main/java/org/apache/hadoop/hbase/procedure/Procedure.java
+++ b/hbase-server/src/main/java/org/apache/hadoop/hbase/procedure/Procedure.java
@@ -25,9 +25,9 @@ import java.util.concurrent.Callable;
 import java.util.concurrent.CountDownLatch;
 import java.util.concurrent.TimeUnit;
 
-import org.apache.commons.logging.Log;
-import org.apache.commons.logging.LogFactory;
 import org.apache.yetus.audience.InterfaceAudience;
+import org.slf4j.Logger;
+import org.slf4j.LoggerFactory;
 import org.apache.hadoop.hbase.errorhandling.ForeignException;
 import org.apache.hadoop.hbase.errorhandling.ForeignExceptionDispatcher;
 import org.apache.hadoop.hbase.errorhandling.ForeignExceptionListener;
@@ -67,7 +67,7 @@ import org.apache.hadoop.hbase.shaded.com.google.common.collect.Lists;
  */
 @InterfaceAudience.Private
 public class Procedure implements Callable<Void>, ForeignExceptionListener {
-  private static final Log LOG = LogFactory.getLog(Procedure.class);
+  private static final Logger LOG = LoggerFactory.getLogger(Procedure.class);
 
   //
   // Arguments and naming

http://git-wip-us.apache.org/repos/asf/hbase/blob/f572c4b8/hbase-server/src/main/java/org/apache/hadoop/hbase/procedure/ProcedureCoordinator.java
----------------------------------------------------------------------
diff --git a/hbase-server/src/main/java/org/apache/hadoop/hbase/procedure/ProcedureCoordinator.java b/hbase-server/src/main/java/org/apache/hadoop/hbase/procedure/ProcedureCoordinator.java
index 2f67d41..c9f068b 100644
--- a/hbase-server/src/main/java/org/apache/hadoop/hbase/procedure/ProcedureCoordinator.java
+++ b/hbase-server/src/main/java/org/apache/hadoop/hbase/procedure/ProcedureCoordinator.java
@@ -29,9 +29,9 @@ import java.util.concurrent.SynchronousQueue;
 import java.util.concurrent.ThreadPoolExecutor;
 import java.util.concurrent.TimeUnit;
 
-import org.apache.commons.logging.Log;
-import org.apache.commons.logging.LogFactory;
 import org.apache.yetus.audience.InterfaceAudience;
+import org.slf4j.Logger;
+import org.slf4j.LoggerFactory;
 import org.apache.hadoop.hbase.DaemonThreadFactory;
 import org.apache.hadoop.hbase.errorhandling.ForeignException;
 import org.apache.hadoop.hbase.errorhandling.ForeignExceptionDispatcher;
@@ -46,7 +46,7 @@ import org.apache.hadoop.hbase.shaded.com.google.common.collect.MapMaker;
  */
 @InterfaceAudience.Private
 public class ProcedureCoordinator {
-  private static final Log LOG = LogFactory.getLog(ProcedureCoordinator.class);
+  private static final Logger LOG = LoggerFactory.getLogger(ProcedureCoordinator.class);
 
   final static long KEEP_ALIVE_MILLIS_DEFAULT = 5000;
   final static long TIMEOUT_MILLIS_DEFAULT = 60000;

http://git-wip-us.apache.org/repos/asf/hbase/blob/f572c4b8/hbase-server/src/main/java/org/apache/hadoop/hbase/procedure/ProcedureManagerHost.java
----------------------------------------------------------------------
diff --git a/hbase-server/src/main/java/org/apache/hadoop/hbase/procedure/ProcedureManagerHost.java b/hbase-server/src/main/java/org/apache/hadoop/hbase/procedure/ProcedureManagerHost.java
index 09a2972..af4d2d7 100644
--- a/hbase-server/src/main/java/org/apache/hadoop/hbase/procedure/ProcedureManagerHost.java
+++ b/hbase-server/src/main/java/org/apache/hadoop/hbase/procedure/ProcedureManagerHost.java
@@ -23,11 +23,11 @@ import java.util.HashSet;
 import java.util.Set;
 import java.util.List;
 
-import org.apache.commons.logging.Log;
-import org.apache.commons.logging.LogFactory;
 import org.apache.hadoop.conf.Configuration;
 import org.apache.yetus.audience.InterfaceAudience;
 import org.apache.yetus.audience.InterfaceStability;
+import org.slf4j.Logger;
+import org.slf4j.LoggerFactory;
 
 /**
  * Provides the common setup framework and runtime services for globally
@@ -44,7 +44,7 @@ public abstract class ProcedureManagerHost<E extends ProcedureManager> {
   public static final String MASTER_PROCEDURE_CONF_KEY =
       "hbase.procedure.master.classes";
 
-  private static final Log LOG = LogFactory.getLog(ProcedureManagerHost.class);
+  private static final Logger LOG = LoggerFactory.getLogger(ProcedureManagerHost.class);
 
   protected Set<E> procedures = new HashSet<>();
 

http://git-wip-us.apache.org/repos/asf/hbase/blob/f572c4b8/hbase-server/src/main/java/org/apache/hadoop/hbase/procedure/ProcedureMember.java
----------------------------------------------------------------------
diff --git a/hbase-server/src/main/java/org/apache/hadoop/hbase/procedure/ProcedureMember.java b/hbase-server/src/main/java/org/apache/hadoop/hbase/procedure/ProcedureMember.java
index c8399ba..86923ae 100644
--- a/hbase-server/src/main/java/org/apache/hadoop/hbase/procedure/ProcedureMember.java
+++ b/hbase-server/src/main/java/org/apache/hadoop/hbase/procedure/ProcedureMember.java
@@ -26,9 +26,9 @@ import java.util.concurrent.SynchronousQueue;
 import java.util.concurrent.ThreadPoolExecutor;
 import java.util.concurrent.TimeUnit;
 
-import org.apache.commons.logging.Log;
-import org.apache.commons.logging.LogFactory;
 import org.apache.yetus.audience.InterfaceAudience;
+import org.slf4j.Logger;
+import org.slf4j.LoggerFactory;
 import org.apache.hadoop.hbase.DaemonThreadFactory;
 import org.apache.hadoop.hbase.errorhandling.ForeignException;
 
@@ -41,7 +41,7 @@ import org.apache.hadoop.hbase.shaded.com.google.common.collect.MapMaker;
  */
 @InterfaceAudience.Private
 public class ProcedureMember implements Closeable {
-  private static final Log LOG = LogFactory.getLog(ProcedureMember.class);
+  private static final Logger LOG = LoggerFactory.getLogger(ProcedureMember.class);
 
   final static long KEEP_ALIVE_MILLIS_DEFAULT = 5000;
 

http://git-wip-us.apache.org/repos/asf/hbase/blob/f572c4b8/hbase-server/src/main/java/org/apache/hadoop/hbase/procedure/RegionServerProcedureManagerHost.java
----------------------------------------------------------------------
diff --git a/hbase-server/src/main/java/org/apache/hadoop/hbase/procedure/RegionServerProcedureManagerHost.java b/hbase-server/src/main/java/org/apache/hadoop/hbase/procedure/RegionServerProcedureManagerHost.java
index 0f4ea64..5cb2529 100644
--- a/hbase-server/src/main/java/org/apache/hadoop/hbase/procedure/RegionServerProcedureManagerHost.java
+++ b/hbase-server/src/main/java/org/apache/hadoop/hbase/procedure/RegionServerProcedureManagerHost.java
@@ -19,13 +19,13 @@ package org.apache.hadoop.hbase.procedure;
 
 import java.io.IOException;
 
-import org.apache.commons.logging.Log;
-import org.apache.commons.logging.LogFactory;
 import org.apache.hadoop.conf.Configuration;
 import org.apache.hadoop.hbase.procedure.flush.RegionServerFlushTableProcedureManager;
 import org.apache.hadoop.hbase.regionserver.RegionServerServices;
 import org.apache.hadoop.hbase.regionserver.snapshot.RegionServerSnapshotManager;
 import org.apache.zookeeper.KeeperException;
+import org.slf4j.Logger;
+import org.slf4j.LoggerFactory;
 
 /**
  * Provides the globally barriered procedure framework and environment
@@ -36,8 +36,8 @@ import org.apache.zookeeper.KeeperException;
 public class RegionServerProcedureManagerHost extends
     ProcedureManagerHost<RegionServerProcedureManager> {
 
-  private static final Log LOG = LogFactory
-      .getLog(RegionServerProcedureManagerHost.class);
+  private static final Logger LOG = LoggerFactory
+      .getLogger(RegionServerProcedureManagerHost.class);
 
   public void initialize(RegionServerServices rss) throws KeeperException {
     for (RegionServerProcedureManager proc : procedures) {

http://git-wip-us.apache.org/repos/asf/hbase/blob/f572c4b8/hbase-server/src/main/java/org/apache/hadoop/hbase/procedure/Subprocedure.java
----------------------------------------------------------------------
diff --git a/hbase-server/src/main/java/org/apache/hadoop/hbase/procedure/Subprocedure.java b/hbase-server/src/main/java/org/apache/hadoop/hbase/procedure/Subprocedure.java
index 8927338..6416e6a 100644
--- a/hbase-server/src/main/java/org/apache/hadoop/hbase/procedure/Subprocedure.java
+++ b/hbase-server/src/main/java/org/apache/hadoop/hbase/procedure/Subprocedure.java
@@ -21,14 +21,14 @@ import java.io.IOException;
 import java.util.concurrent.Callable;
 import java.util.concurrent.CountDownLatch;
 
-import org.apache.commons.logging.Log;
-import org.apache.commons.logging.LogFactory;
 import org.apache.hadoop.hbase.errorhandling.ForeignException;
 import org.apache.hadoop.hbase.errorhandling.ForeignExceptionDispatcher;
 import org.apache.hadoop.hbase.errorhandling.ForeignExceptionListener;
 import org.apache.hadoop.hbase.errorhandling.ForeignExceptionSnare;
 import org.apache.hadoop.hbase.errorhandling.TimeoutExceptionInjector;
 import org.apache.zookeeper.KeeperException;
+import org.slf4j.Logger;
+import org.slf4j.LoggerFactory;
 
 /**
  * Distributed procedure member's Subprocedure.  A procedure is sarted on a ProcedureCoordinator
@@ -51,7 +51,7 @@ import org.apache.zookeeper.KeeperException;
  * barrierName. (ex: snapshot121126).
  */
 abstract public class Subprocedure implements Callable<Void> {
-  private static final Log LOG = LogFactory.getLog(Subprocedure.class);
+  private static final Logger LOG = LoggerFactory.getLogger(Subprocedure.class);
 
   // Name of the procedure
   final private String barrierName;


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