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From ndimi...@apache.org
Subject hbase git commit: HBASE-12987 Pare repeated hbck output and increase verbosity in long-running tasks.
Date Wed, 15 Apr 2015 21:41:05 GMT
Repository: hbase
Updated Branches:
  refs/heads/master 14261bc9e -> 682a29a57


HBASE-12987 Pare repeated hbck output and increase verbosity in long-running tasks.


Project: http://git-wip-us.apache.org/repos/asf/hbase/repo
Commit: http://git-wip-us.apache.org/repos/asf/hbase/commit/682a29a5
Tree: http://git-wip-us.apache.org/repos/asf/hbase/tree/682a29a5
Diff: http://git-wip-us.apache.org/repos/asf/hbase/diff/682a29a5

Branch: refs/heads/master
Commit: 682a29a57f73b836859b3d3e1048fc82d64e8fe3
Parents: 14261bc
Author: Josh Elser <elserj@apache.org>
Authored: Wed Apr 8 16:22:22 2015 -0400
Committer: Nick Dimiduk <ndimiduk@apache.org>
Committed: Wed Apr 15 14:35:43 2015 -0700

----------------------------------------------------------------------
 .../org/apache/hadoop/hbase/util/FSUtils.java   | 55 +++++++++++++++++++-
 .../org/apache/hadoop/hbase/util/HBaseFsck.java | 38 +++++++++++---
 2 files changed, 85 insertions(+), 8 deletions(-)
----------------------------------------------------------------------


http://git-wip-us.apache.org/repos/asf/hbase/blob/682a29a5/hbase-server/src/main/java/org/apache/hadoop/hbase/util/FSUtils.java
----------------------------------------------------------------------
diff --git a/hbase-server/src/main/java/org/apache/hadoop/hbase/util/FSUtils.java b/hbase-server/src/main/java/org/apache/hadoop/hbase/util/FSUtils.java
index 0d0912e..e86054b 100644
--- a/hbase-server/src/main/java/org/apache/hadoop/hbase/util/FSUtils.java
+++ b/hbase-server/src/main/java/org/apache/hadoop/hbase/util/FSUtils.java
@@ -66,6 +66,7 @@ import org.apache.hadoop.hbase.fs.HFileSystem;
 import org.apache.hadoop.hbase.master.HMaster;
 import org.apache.hadoop.hbase.regionserver.StoreFileInfo;
 import org.apache.hadoop.hbase.security.AccessDeniedException;
+import org.apache.hadoop.hbase.util.HBaseFsck.ErrorReporter;
 import org.apache.hadoop.hbase.protobuf.ProtobufUtil;
 import org.apache.hadoop.hbase.protobuf.generated.FSProtos;
 import org.apache.hadoop.hbase.regionserver.HRegion;
@@ -1546,6 +1547,28 @@ public abstract class FSUtils {
   public static Map<String, Path> getTableStoreFilePathMap(Map<String, Path>
map,
   final FileSystem fs, final Path hbaseRootDir, TableName tableName)
   throws IOException {
+    return getTableStoreFilePathMap(map, fs, hbaseRootDir, tableName, null);
+  }
+
+  /**
+   * Runs through the HBase rootdir/tablename and creates a reverse lookup map for
+   * table StoreFile names to the full Path.
+   * <br>
+   * Example...<br>
+   * Key = 3944417774205889744  <br>
+   * Value = hdfs://localhost:51169/user/userid/-ROOT-/70236052/info/3944417774205889744
+   *
+   * @param map map to add values.  If null, this method will create and populate one to
return
+   * @param fs  The file system to use.
+   * @param hbaseRootDir  The root directory to scan.
+   * @param tableName name of the table to scan.
+   * @param errors ErrorReporter instance or null
+   * @return Map keyed by StoreFile name with a value of the full Path.
+   * @throws IOException When scanning the directory fails.
+   */
+  public static Map<String, Path> getTableStoreFilePathMap(Map<String, Path>
map,
+  final FileSystem fs, final Path hbaseRootDir, TableName tableName, ErrorReporter errors)
+  throws IOException {
     if (map == null) {
       map = new HashMap<String, Path>();
     }
@@ -1557,10 +1580,16 @@ public abstract class FSUtils {
     PathFilter familyFilter = new FamilyDirFilter(fs);
     FileStatus[] regionDirs = fs.listStatus(tableDir, new RegionDirFilter(fs));
     for (FileStatus regionDir : regionDirs) {
+      if (null != errors) {
+        errors.progress();
+      }
       Path dd = regionDir.getPath();
       // else its a region name, now look in region for families
       FileStatus[] familyDirs = fs.listStatus(dd, familyFilter);
       for (FileStatus familyDir : familyDirs) {
+        if (null != errors) {
+          errors.progress();
+        }
         Path family = familyDir.getPath();
         if (family.getName().equals(HConstants.RECOVERED_EDITS_DIR)) {
           continue;
@@ -1569,6 +1598,9 @@ public abstract class FSUtils {
         // put in map
         FileStatus[] familyStatus = fs.listStatus(family);
         for (FileStatus sfStatus : familyStatus) {
+          if (null != errors) {
+            errors.progress();
+          }
           Path sf = sfStatus.getPath();
           map.put( sf.getName(), sf);
         }
@@ -1589,7 +1621,6 @@ public abstract class FSUtils {
     return result;
   }
 
-
   /**
    * Runs through the HBase rootdir and creates a reverse lookup map for
    * table StoreFile names to the full Path.
@@ -1606,6 +1637,26 @@ public abstract class FSUtils {
   public static Map<String, Path> getTableStoreFilePathMap(
     final FileSystem fs, final Path hbaseRootDir)
   throws IOException {
+    return getTableStoreFilePathMap(fs, hbaseRootDir, null);
+  }
+
+  /**
+   * Runs through the HBase rootdir and creates a reverse lookup map for
+   * table StoreFile names to the full Path.
+   * <br>
+   * Example...<br>
+   * Key = 3944417774205889744  <br>
+   * Value = hdfs://localhost:51169/user/userid/-ROOT-/70236052/info/3944417774205889744
+   *
+   * @param fs  The file system to use.
+   * @param hbaseRootDir  The root directory to scan.
+   * @param errors ErrorReporter instance or null
+   * @return Map keyed by StoreFile name with a value of the full Path.
+   * @throws IOException When scanning the directory fails.
+   */
+  public static Map<String, Path> getTableStoreFilePathMap(
+    final FileSystem fs, final Path hbaseRootDir, ErrorReporter errors)
+  throws IOException {
     Map<String, Path> map = new HashMap<String, Path>();
 
     // if this method looks similar to 'getTableFragmentation' that is because
@@ -1614,7 +1665,7 @@ public abstract class FSUtils {
     // only include the directory paths to tables
     for (Path tableDir : FSUtils.getTableDirs(fs, hbaseRootDir)) {
       getTableStoreFilePathMap(map, fs, hbaseRootDir,
-          FSUtils.getTableName(tableDir));
+          FSUtils.getTableName(tableDir), errors);
     }
     return map;
   }

http://git-wip-us.apache.org/repos/asf/hbase/blob/682a29a5/hbase-server/src/main/java/org/apache/hadoop/hbase/util/HBaseFsck.java
----------------------------------------------------------------------
diff --git a/hbase-server/src/main/java/org/apache/hadoop/hbase/util/HBaseFsck.java b/hbase-server/src/main/java/org/apache/hadoop/hbase/util/HBaseFsck.java
index f8fdd96..67e3411 100644
--- a/hbase-server/src/main/java/org/apache/hadoop/hbase/util/HBaseFsck.java
+++ b/hbase-server/src/main/java/org/apache/hadoop/hbase/util/HBaseFsck.java
@@ -641,13 +641,17 @@ public class HBaseFsck extends Configured implements Closeable {
 
     // load regiondirs and regioninfos from HDFS
     if (shouldCheckHdfs()) {
+      LOG.info("Loading region directories from HDFS");
       loadHdfsRegionDirs();
+      LOG.info("Loading region information from HDFS");
       loadHdfsRegionInfos();
     }
 
     // fix the orphan tables
     fixOrphanTables();
 
+    LOG.info("Checking and fixing region consistency");
+
     // Check and fix consistency
     checkAndFixConsistency();
 
@@ -970,7 +974,10 @@ public class HBaseFsck extends Configured implements Closeable {
     Configuration conf = getConf();
     Path hbaseRoot = FSUtils.getRootDir(conf);
     FileSystem fs = hbaseRoot.getFileSystem(conf);
-    Map<String, Path> allFiles = FSUtils.getTableStoreFilePathMap(fs, hbaseRoot);
+    LOG.info("Computing mapping of all store files");
+    Map<String, Path> allFiles = FSUtils.getTableStoreFilePathMap(fs, hbaseRoot, errors);
+    errors.print("");
+    LOG.info("Validating mapping using HDFS state");
     for (Path path: allFiles.values()) {
       boolean isReference = false;
       try {
@@ -1168,6 +1175,7 @@ public class HBaseFsck extends Configured implements Closeable {
     }
 
     loadTableInfosForTablesWithNoRegion();
+    errors.print("");
 
     return tablesInfo;
   }
@@ -1358,6 +1366,7 @@ public class HBaseFsck extends Configured implements Closeable {
    */
   private void suggestFixes(
       SortedMap<TableName, TableInfo> tablesInfo) throws IOException {
+    logParallelMerge();
     for (TableInfo tInfo : tablesInfo.values()) {
       TableIntegrityErrorHandler handler = tInfo.new IntegrityFixSuggester(tInfo, errors);
       tInfo.checkRegionChain(handler);
@@ -1431,9 +1440,23 @@ public class HBaseFsck extends Configured implements Closeable {
     return true;
   }
 
+  /**
+   * Log an appropriate message about whether or not overlapping merges are computed in parallel.
+   */
+  private void logParallelMerge() {
+    if (getConf().getBoolean("hbasefsck.overlap.merge.parallel", true)) {
+      LOG.info("Handling overlap merges in parallel. set hbasefsck.overlap.merge.parallel
to" +
+          " false to run serially.");
+    } else {
+      LOG.info("Handling overlap merges serially.  set hbasefsck.overlap.merge.parallel to"
+
+          " true to run in parallel.");
+    }
+  }
+
   private SortedMap<TableName, TableInfo> checkHdfsIntegrity(boolean fixHoles,
       boolean fixOverlaps) throws IOException {
     LOG.info("Checking HBase region split map from HDFS data...");
+    logParallelMerge();
     for (TableInfo tInfo : tablesInfo.values()) {
       TableIntegrityErrorHandler handler;
       if (fixHoles || fixOverlaps) {
@@ -1662,6 +1685,7 @@ public class HBaseFsck extends Configured implements Closeable {
         LOG.warn("Could not load region dir " , e.getCause());
       }
     }
+    errors.print("");
   }
 
   /**
@@ -2395,6 +2419,7 @@ public class HBaseFsck extends Configured implements Closeable {
 
     loadTableInfosForTablesWithNoRegion();
 
+    logParallelMerge();
     for (TableInfo tInfo : tablesInfo.values()) {
       TableIntegrityErrorHandler handler = tInfo.new IntegrityFixSuggester(tInfo, errors);
       if (!tInfo.checkRegionChain(handler)) {
@@ -3011,15 +3036,11 @@ public class HBaseFsck extends Configured implements Closeable {
 
       // TODO fold this into the TableIntegrityHandler
       if (getConf().getBoolean("hbasefsck.overlap.merge.parallel", true)) {
-        LOG.info("Handling overlap merges in parallel. set hbasefsck.overlap.merge.parallel
to" +
-            " false to run serially.");
         boolean ok = handleOverlapsParallel(handler, prevKey);
         if (!ok) {
           return false;
         }
       } else {
-        LOG.info("Handling overlap merges serially.  set hbasefsck.overlap.merge.parallel
to" +
-            " true to run in parallel.");
         for (Collection<HbckInfo> overlap : overlapGroups.asMap().values()) {
           handler.handleOverlapGroup(overlap);
         }
@@ -3745,6 +3766,8 @@ public class HBaseFsck extends Configured implements Closeable {
   static class PrintingErrorReporter implements ErrorReporter {
     public int errorCount = 0;
     private int showProgress;
+    // How frequently calls to progress() will create output
+    private static final int progressThreshold = 100;
 
     Set<TableInfo> errorTables = new HashSet<TableInfo>();
 
@@ -3859,7 +3882,7 @@ public class HBaseFsck extends Configured implements Closeable {
 
     @Override
     public synchronized void progress() {
-      if (showProgress++ == 10) {
+      if (showProgress++ == progressThreshold) {
         if (!summary) {
           System.out.print(".");
         }
@@ -3956,6 +3979,7 @@ public class HBaseFsck extends Configured implements Closeable {
         // level 2: <HBASE_DIR>/<table>/*
         FileStatus[] regionDirs = fs.listStatus(tableDir.getPath());
         for (FileStatus regionDir : regionDirs) {
+          errors.progress();
           String encodedName = regionDir.getPath().getName();
           // ignore directories that aren't hexadecimal
           if (!encodedName.toLowerCase().matches("[0-9a-f]+")) {
@@ -3983,6 +4007,7 @@ public class HBaseFsck extends Configured implements Closeable {
             FileStatus[] subDirs = fs.listStatus(regionDir.getPath());
             Path ePath = WALSplitter.getRegionDirRecoveredEditsDir(regionDir.getPath());
             for (FileStatus subDir : subDirs) {
+              errors.progress();
               String sdName = subDir.getPath().getName();
               if (!sdName.startsWith(".") && !sdName.equals(ePath.getName())) {
                 he.hdfsOnlyEdits = false;
@@ -4023,6 +4048,7 @@ public class HBaseFsck extends Configured implements Closeable {
       // only load entries that haven't been loaded yet.
       if (hbi.getHdfsHRI() == null) {
         try {
+          errors.progress();
           hbck.loadHdfsRegioninfo(hbi);
         } catch (IOException ioe) {
           String msg = "Orphan region in HDFS: Unable to load .regioninfo from table "


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