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From xg...@apache.org
Subject [3/8] hadoop git commit: YARN-5925. Extract hbase-backend-exclusive utility methods from TimelineStorageUtil. Contributed by Haibo Chen.
Date Sun, 11 Dec 2016 23:36:01 GMT
YARN-5925. Extract hbase-backend-exclusive utility methods from TimelineStorageUtil. Contributed by Haibo Chen.


Project: http://git-wip-us.apache.org/repos/asf/hadoop/repo
Commit: http://git-wip-us.apache.org/repos/asf/hadoop/commit/55f5886e
Tree: http://git-wip-us.apache.org/repos/asf/hadoop/tree/55f5886e
Diff: http://git-wip-us.apache.org/repos/asf/hadoop/diff/55f5886e

Branch: refs/heads/YARN-5734
Commit: 55f5886ea24671ff3db87a64aaba2e76b3355455
Parents: 2a28e8c
Author: Sangjin Lee <sjlee@apache.org>
Authored: Fri Dec 9 16:17:24 2016 -0800
Committer: Sangjin Lee <sjlee@apache.org>
Committed: Fri Dec 9 16:17:24 2016 -0800

----------------------------------------------------------------------
 ...stTimelineReaderWebServicesHBaseStorage.java |   6 +-
 .../flow/TestHBaseStorageFlowActivity.java      |  12 +-
 .../storage/flow/TestHBaseStorageFlowRun.java   |  14 +-
 .../flow/TestHBaseStorageFlowRunCompaction.java |  44 ++--
 .../storage/common/AppIdKeyConverter.java       |   5 +-
 .../common/HBaseTimelineStorageUtils.java       | 243 +++++++++++++++++++
 .../storage/common/TimelineStorageUtils.java    | 207 ----------------
 .../storage/flow/FlowActivityColumnPrefix.java  |  10 +-
 .../storage/flow/FlowActivityRowKey.java        |   4 +-
 .../storage/flow/FlowRunColumn.java             |   6 +-
 .../storage/flow/FlowRunColumnPrefix.java       |   6 +-
 .../storage/flow/FlowRunCoprocessor.java        |   6 +-
 .../storage/flow/FlowScanner.java               |  13 +-
 .../storage/common/TestRowKeys.java             |   2 +-
 14 files changed, 309 insertions(+), 269 deletions(-)
----------------------------------------------------------------------


http://git-wip-us.apache.org/repos/asf/hadoop/blob/55f5886e/hadoop-yarn-project/hadoop-yarn/hadoop-yarn-server/hadoop-yarn-server-timelineservice-hbase-tests/src/test/java/org/apache/hadoop/yarn/server/timelineservice/reader/TestTimelineReaderWebServicesHBaseStorage.java
----------------------------------------------------------------------
diff --git a/hadoop-yarn-project/hadoop-yarn/hadoop-yarn-server/hadoop-yarn-server-timelineservice-hbase-tests/src/test/java/org/apache/hadoop/yarn/server/timelineservice/reader/TestTimelineReaderWebServicesHBaseStorage.java b/hadoop-yarn-project/hadoop-yarn/hadoop-yarn-server/hadoop-yarn-server-timelineservice-hbase-tests/src/test/java/org/apache/hadoop/yarn/server/timelineservice/reader/TestTimelineReaderWebServicesHBaseStorage.java
index 17c01b5..63a75d3 100644
--- a/hadoop-yarn-project/hadoop-yarn/hadoop-yarn-server/hadoop-yarn-server-timelineservice-hbase-tests/src/test/java/org/apache/hadoop/yarn/server/timelineservice/reader/TestTimelineReaderWebServicesHBaseStorage.java
+++ b/hadoop-yarn-project/hadoop-yarn/hadoop-yarn-server/hadoop-yarn-server-timelineservice-hbase-tests/src/test/java/org/apache/hadoop/yarn/server/timelineservice/reader/TestTimelineReaderWebServicesHBaseStorage.java
@@ -52,7 +52,7 @@ import org.apache.hadoop.yarn.conf.YarnConfiguration;
 import org.apache.hadoop.yarn.server.metrics.ApplicationMetricsConstants;
 import org.apache.hadoop.yarn.server.timelineservice.storage.HBaseTimelineWriterImpl;
 import org.apache.hadoop.yarn.server.timelineservice.storage.TimelineSchemaCreator;
-import org.apache.hadoop.yarn.server.timelineservice.storage.common.TimelineStorageUtils;
+import org.apache.hadoop.yarn.server.timelineservice.storage.common.HBaseTimelineStorageUtils;
 import org.apache.hadoop.yarn.webapp.YarnJacksonJaxbJsonProvider;
 import org.junit.After;
 import org.junit.AfterClass;
@@ -78,7 +78,7 @@ public class TestTimelineReaderWebServicesHBaseStorage {
   private static HBaseTestingUtility util;
   private static long ts = System.currentTimeMillis();
   private static long dayTs =
-      TimelineStorageUtils.getTopOfTheDayTimestamp(ts);
+      HBaseTimelineStorageUtils.getTopOfTheDayTimestamp(ts);
 
   @BeforeClass
   public static void setup() throws Exception {
@@ -984,7 +984,7 @@ public class TestTimelineReaderWebServicesHBaseStorage {
       assertEquals(1, entities.size());
 
       long firstFlowActivity =
-          TimelineStorageUtils.getTopOfTheDayTimestamp(1425016501000L);
+          HBaseTimelineStorageUtils.getTopOfTheDayTimestamp(1425016501000L);
 
       DateFormat fmt = TimelineReaderWebServices.DATE_FORMAT.get();
       uri = URI.create("http://localhost:" + serverPort + "/ws/v2/" +

http://git-wip-us.apache.org/repos/asf/hadoop/blob/55f5886e/hadoop-yarn-project/hadoop-yarn/hadoop-yarn-server/hadoop-yarn-server-timelineservice-hbase-tests/src/test/java/org/apache/hadoop/yarn/server/timelineservice/storage/flow/TestHBaseStorageFlowActivity.java
----------------------------------------------------------------------
diff --git a/hadoop-yarn-project/hadoop-yarn/hadoop-yarn-server/hadoop-yarn-server-timelineservice-hbase-tests/src/test/java/org/apache/hadoop/yarn/server/timelineservice/storage/flow/TestHBaseStorageFlowActivity.java b/hadoop-yarn-project/hadoop-yarn/hadoop-yarn-server/hadoop-yarn-server-timelineservice-hbase-tests/src/test/java/org/apache/hadoop/yarn/server/timelineservice/storage/flow/TestHBaseStorageFlowActivity.java
index 3ddb230..2778f50 100644
--- a/hadoop-yarn-project/hadoop-yarn/hadoop-yarn-server/hadoop-yarn-server-timelineservice-hbase-tests/src/test/java/org/apache/hadoop/yarn/server/timelineservice/storage/flow/TestHBaseStorageFlowActivity.java
+++ b/hadoop-yarn-project/hadoop-yarn/hadoop-yarn-server/hadoop-yarn-server-timelineservice-hbase-tests/src/test/java/org/apache/hadoop/yarn/server/timelineservice/storage/flow/TestHBaseStorageFlowActivity.java
@@ -52,7 +52,7 @@ import org.apache.hadoop.yarn.server.timelineservice.storage.HBaseTimelineReader
 import org.apache.hadoop.yarn.server.timelineservice.storage.HBaseTimelineWriterImpl;
 import org.apache.hadoop.yarn.server.timelineservice.storage.TimelineSchemaCreator;
 import org.apache.hadoop.yarn.server.timelineservice.storage.common.ColumnHelper;
-import org.apache.hadoop.yarn.server.timelineservice.storage.common.TimelineStorageUtils;
+import org.apache.hadoop.yarn.server.timelineservice.storage.common.HBaseTimelineStorageUtils;
 import org.junit.AfterClass;
 import org.junit.BeforeClass;
 import org.junit.Test;
@@ -172,7 +172,7 @@ public class TestHBaseStorageFlowActivity {
     assertEquals(cluster, flowActivityRowKey.getClusterId());
     assertEquals(user, flowActivityRowKey.getUserId());
     assertEquals(flow, flowActivityRowKey.getFlowName());
-    Long dayTs = TimelineStorageUtils.getTopOfTheDayTimestamp(minStartTs);
+    Long dayTs = HBaseTimelineStorageUtils.getTopOfTheDayTimestamp(minStartTs);
     assertEquals(dayTs, flowActivityRowKey.getDayTimestamp());
     assertEquals(1, values.size());
     checkFlowActivityRunId(runid, flowVersion, values);
@@ -303,7 +303,8 @@ public class TestHBaseStorageFlowActivity {
       assertEquals(cluster, flowActivityRowKey.getClusterId());
       assertEquals(user, flowActivityRowKey.getUserId());
       assertEquals(flow, flowActivityRowKey.getFlowName());
-      Long dayTs = TimelineStorageUtils.getTopOfTheDayTimestamp(appCreatedTime);
+      Long dayTs = HBaseTimelineStorageUtils.getTopOfTheDayTimestamp(
+          appCreatedTime);
       assertEquals(dayTs, flowActivityRowKey.getDayTimestamp());
       assertEquals(1, values.size());
       checkFlowActivityRunId(runid, flowVersion, values);
@@ -388,7 +389,7 @@ public class TestHBaseStorageFlowActivity {
         assertEquals(user, flowActivity.getUser());
         assertEquals(flow, flowActivity.getFlowName());
         long dayTs =
-            TimelineStorageUtils.getTopOfTheDayTimestamp(appCreatedTime);
+            HBaseTimelineStorageUtils.getTopOfTheDayTimestamp(appCreatedTime);
         assertEquals(dayTs, flowActivity.getDate().getTime());
         Set<FlowRunEntity> flowRuns = flowActivity.getFlowRuns();
         assertEquals(3, flowRuns.size());
@@ -443,7 +444,8 @@ public class TestHBaseStorageFlowActivity {
       assertEquals(cluster, flowActivityRowKey.getClusterId());
       assertEquals(user, flowActivityRowKey.getUserId());
       assertEquals(flow, flowActivityRowKey.getFlowName());
-      Long dayTs = TimelineStorageUtils.getTopOfTheDayTimestamp(appCreatedTime);
+      Long dayTs = HBaseTimelineStorageUtils.getTopOfTheDayTimestamp(
+          appCreatedTime);
       assertEquals(dayTs, flowActivityRowKey.getDayTimestamp());
 
       Map<byte[], byte[]> values = result

http://git-wip-us.apache.org/repos/asf/hadoop/blob/55f5886e/hadoop-yarn-project/hadoop-yarn/hadoop-yarn-server/hadoop-yarn-server-timelineservice-hbase-tests/src/test/java/org/apache/hadoop/yarn/server/timelineservice/storage/flow/TestHBaseStorageFlowRun.java
----------------------------------------------------------------------
diff --git a/hadoop-yarn-project/hadoop-yarn/hadoop-yarn-server/hadoop-yarn-server-timelineservice-hbase-tests/src/test/java/org/apache/hadoop/yarn/server/timelineservice/storage/flow/TestHBaseStorageFlowRun.java b/hadoop-yarn-project/hadoop-yarn/hadoop-yarn-server/hadoop-yarn-server-timelineservice-hbase-tests/src/test/java/org/apache/hadoop/yarn/server/timelineservice/storage/flow/TestHBaseStorageFlowRun.java
index 377611f..7f46a5a 100644
--- a/hadoop-yarn-project/hadoop-yarn/hadoop-yarn-server/hadoop-yarn-server-timelineservice-hbase-tests/src/test/java/org/apache/hadoop/yarn/server/timelineservice/storage/flow/TestHBaseStorageFlowRun.java
+++ b/hadoop-yarn-project/hadoop-yarn/hadoop-yarn-server/hadoop-yarn-server-timelineservice-hbase-tests/src/test/java/org/apache/hadoop/yarn/server/timelineservice/storage/flow/TestHBaseStorageFlowRun.java
@@ -62,7 +62,7 @@ import org.apache.hadoop.yarn.server.timelineservice.storage.HBaseTimelineWriter
 import org.apache.hadoop.yarn.server.timelineservice.storage.TimelineReader.Field;
 import org.apache.hadoop.yarn.server.timelineservice.storage.TimelineSchemaCreator;
 import org.apache.hadoop.yarn.server.timelineservice.storage.common.ColumnHelper;
-import org.apache.hadoop.yarn.server.timelineservice.storage.common.TimelineStorageUtils;
+import org.apache.hadoop.yarn.server.timelineservice.storage.common.HBaseTimelineStorageUtils;
 import org.apache.hadoop.yarn.server.timelineservice.storage.entity.EntityTable;
 import org.junit.AfterClass;
 import org.junit.BeforeClass;
@@ -109,8 +109,8 @@ public class TestHBaseStorageFlowRun {
       HRegionServer server = util.getRSForFirstRegionInTable(table);
       List<Region> regions = server.getOnlineRegions(table);
       for (Region region : regions) {
-        assertTrue(TimelineStorageUtils.isFlowRunTable(region.getRegionInfo(),
-            hbaseConf));
+        assertTrue(HBaseTimelineStorageUtils.isFlowRunTable(
+            region.getRegionInfo(), hbaseConf));
       }
     }
 
@@ -124,8 +124,8 @@ public class TestHBaseStorageFlowRun {
       HRegionServer server = util.getRSForFirstRegionInTable(table);
       List<Region> regions = server.getOnlineRegions(table);
       for (Region region : regions) {
-        assertFalse(TimelineStorageUtils.isFlowRunTable(region.getRegionInfo(),
-            hbaseConf));
+        assertFalse(HBaseTimelineStorageUtils.isFlowRunTable(
+            region.getRegionInfo(), hbaseConf));
       }
     }
 
@@ -139,8 +139,8 @@ public class TestHBaseStorageFlowRun {
       HRegionServer server = util.getRSForFirstRegionInTable(table);
       List<Region> regions = server.getOnlineRegions(table);
       for (Region region : regions) {
-        assertFalse(TimelineStorageUtils.isFlowRunTable(region.getRegionInfo(),
-            hbaseConf));
+        assertFalse(HBaseTimelineStorageUtils.isFlowRunTable(
+            region.getRegionInfo(), hbaseConf));
       }
     }
   }

http://git-wip-us.apache.org/repos/asf/hadoop/blob/55f5886e/hadoop-yarn-project/hadoop-yarn/hadoop-yarn-server/hadoop-yarn-server-timelineservice-hbase-tests/src/test/java/org/apache/hadoop/yarn/server/timelineservice/storage/flow/TestHBaseStorageFlowRunCompaction.java
----------------------------------------------------------------------
diff --git a/hadoop-yarn-project/hadoop-yarn/hadoop-yarn-server/hadoop-yarn-server-timelineservice-hbase-tests/src/test/java/org/apache/hadoop/yarn/server/timelineservice/storage/flow/TestHBaseStorageFlowRunCompaction.java b/hadoop-yarn-project/hadoop-yarn/hadoop-yarn-server/hadoop-yarn-server-timelineservice-hbase-tests/src/test/java/org/apache/hadoop/yarn/server/timelineservice/storage/flow/TestHBaseStorageFlowRunCompaction.java
index 756d57b..eb18e28 100644
--- a/hadoop-yarn-project/hadoop-yarn/hadoop-yarn-server/hadoop-yarn-server-timelineservice-hbase-tests/src/test/java/org/apache/hadoop/yarn/server/timelineservice/storage/flow/TestHBaseStorageFlowRunCompaction.java
+++ b/hadoop-yarn-project/hadoop-yarn/hadoop-yarn-server/hadoop-yarn-server-timelineservice-hbase-tests/src/test/java/org/apache/hadoop/yarn/server/timelineservice/storage/flow/TestHBaseStorageFlowRunCompaction.java
@@ -54,8 +54,8 @@ import org.apache.hadoop.yarn.api.records.timelineservice.TimelineEntity;
 import org.apache.hadoop.yarn.server.timelineservice.storage.HBaseTimelineWriterImpl;
 import org.apache.hadoop.yarn.server.timelineservice.storage.TimelineSchemaCreator;
 import org.apache.hadoop.yarn.server.timelineservice.storage.common.ColumnHelper;
+import org.apache.hadoop.yarn.server.timelineservice.storage.common.HBaseTimelineStorageUtils;
 import org.apache.hadoop.yarn.server.timelineservice.storage.common.LongConverter;
-import org.apache.hadoop.yarn.server.timelineservice.storage.common.TimelineStorageUtils;
 import org.apache.hadoop.yarn.server.timelineservice.storage.common.TimestampGenerator;
 import org.junit.AfterClass;
 import org.junit.Assert;
@@ -417,8 +417,8 @@ public class TestHBaseStorageFlowRunCompaction {
     tags.add(t);
     byte[] tagByteArray = Tag.fromList(tags);
     // create a cell with a VERY old timestamp and attribute SUM_FINAL
-    Cell c1 = TimelineStorageUtils.createNewCell(aRowKey, aFamily, aQualifier,
-        cell1Ts, Bytes.toBytes(cellValue1), tagByteArray);
+    Cell c1 = HBaseTimelineStorageUtils.createNewCell(aRowKey, aFamily,
+        aQualifier, cell1Ts, Bytes.toBytes(cellValue1), tagByteArray);
     currentColumnCells.add(c1);
 
     tags = new ArrayList<>();
@@ -427,8 +427,8 @@ public class TestHBaseStorageFlowRunCompaction {
     tags.add(t);
     tagByteArray = Tag.fromList(tags);
     // create a cell with a recent timestamp and attribute SUM_FINAL
-    Cell c2 = TimelineStorageUtils.createNewCell(aRowKey, aFamily, aQualifier,
-        cell2Ts, Bytes.toBytes(cellValue2), tagByteArray);
+    Cell c2 = HBaseTimelineStorageUtils.createNewCell(aRowKey, aFamily,
+        aQualifier, cell2Ts, Bytes.toBytes(cellValue2), tagByteArray);
     currentColumnCells.add(c2);
 
     tags = new ArrayList<>();
@@ -437,8 +437,8 @@ public class TestHBaseStorageFlowRunCompaction {
     tags.add(t);
     tagByteArray = Tag.fromList(tags);
     // create a cell with a VERY old timestamp but has attribute SUM
-    Cell c3 = TimelineStorageUtils.createNewCell(aRowKey, aFamily, aQualifier,
-        cell3Ts, Bytes.toBytes(cellValue3), tagByteArray);
+    Cell c3 = HBaseTimelineStorageUtils.createNewCell(aRowKey, aFamily,
+        aQualifier, cell3Ts, Bytes.toBytes(cellValue3), tagByteArray);
     currentColumnCells.add(c3);
 
     tags = new ArrayList<>();
@@ -447,8 +447,8 @@ public class TestHBaseStorageFlowRunCompaction {
     tags.add(t);
     tagByteArray = Tag.fromList(tags);
     // create a cell with a VERY old timestamp but has attribute SUM
-    Cell c4 = TimelineStorageUtils.createNewCell(aRowKey, aFamily, aQualifier,
-        cell4Ts, Bytes.toBytes(cellValue4), tagByteArray);
+    Cell c4 = HBaseTimelineStorageUtils.createNewCell(aRowKey, aFamily,
+        aQualifier, cell4Ts, Bytes.toBytes(cellValue4), tagByteArray);
     currentColumnCells.add(c4);
 
     List<Cell> cells =
@@ -517,7 +517,7 @@ public class TestHBaseStorageFlowRunCompaction {
       tags.add(t);
       byte[] tagByteArray = Tag.fromList(tags);
       // create a cell with a VERY old timestamp and attribute SUM_FINAL
-      c1 = TimelineStorageUtils.createNewCell(aRowKey, aFamily, aQualifier,
+      c1 = HBaseTimelineStorageUtils.createNewCell(aRowKey, aFamily, aQualifier,
           cellTsFinal, Bytes.toBytes(cellValueFinal), tagByteArray);
       currentColumnCells.add(c1);
       cellTsFinal++;
@@ -531,7 +531,7 @@ public class TestHBaseStorageFlowRunCompaction {
       tags.add(t);
       byte[] tagByteArray = Tag.fromList(tags);
       // create a cell with attribute SUM
-      c1 = TimelineStorageUtils.createNewCell(aRowKey, aFamily, aQualifier,
+      c1 = HBaseTimelineStorageUtils.createNewCell(aRowKey, aFamily, aQualifier,
           cellTsNotFinal, Bytes.toBytes(cellValueNotFinal), tagByteArray);
       currentColumnCells.add(c1);
       cellTsNotFinal++;
@@ -608,7 +608,7 @@ public class TestHBaseStorageFlowRunCompaction {
       tags.add(t);
       byte[] tagByteArray = Tag.fromList(tags);
       // create a cell with a VERY old timestamp and attribute SUM_FINAL
-      c1 = TimelineStorageUtils.createNewCell(aRowKey, aFamily, aQualifier,
+      c1 = HBaseTimelineStorageUtils.createNewCell(aRowKey, aFamily, aQualifier,
           cellTsFinal, Bytes.toBytes(cellValueFinal), tagByteArray);
       currentColumnCells.add(c1);
       cellTsFinal++;
@@ -622,7 +622,7 @@ public class TestHBaseStorageFlowRunCompaction {
       tags.add(t);
       byte[] tagByteArray = Tag.fromList(tags);
       // create a cell with a VERY old timestamp and attribute SUM_FINAL
-      c1 = TimelineStorageUtils.createNewCell(aRowKey, aFamily, aQualifier,
+      c1 = HBaseTimelineStorageUtils.createNewCell(aRowKey, aFamily, aQualifier,
           cellTsFinalNotExpire, Bytes.toBytes(cellValueFinal), tagByteArray);
       currentColumnCells.add(c1);
       cellTsFinalNotExpire++;
@@ -636,7 +636,7 @@ public class TestHBaseStorageFlowRunCompaction {
       tags.add(t);
       byte[] tagByteArray = Tag.fromList(tags);
       // create a cell with attribute SUM
-      c1 = TimelineStorageUtils.createNewCell(aRowKey, aFamily, aQualifier,
+      c1 = HBaseTimelineStorageUtils.createNewCell(aRowKey, aFamily, aQualifier,
           cellTsNotFinal, Bytes.toBytes(cellValueNotFinal), tagByteArray);
       currentColumnCells.add(c1);
       cellTsNotFinal++;
@@ -693,8 +693,8 @@ public class TestHBaseStorageFlowRunCompaction {
     SortedSet<Cell> currentColumnCells = new TreeSet<Cell>(KeyValue.COMPARATOR);
 
     // create a cell with a VERY old timestamp and attribute SUM_FINAL
-    Cell c1 = TimelineStorageUtils.createNewCell(aRowKey, aFamily, aQualifier,
-        120L, Bytes.toBytes(cellValue1), tagByteArray);
+    Cell c1 = HBaseTimelineStorageUtils.createNewCell(aRowKey, aFamily,
+        aQualifier, 120L, Bytes.toBytes(cellValue1), tagByteArray);
     currentColumnCells.add(c1);
 
     tags = new ArrayList<>();
@@ -704,8 +704,8 @@ public class TestHBaseStorageFlowRunCompaction {
     tagByteArray = Tag.fromList(tags);
 
     // create a cell with a VERY old timestamp but has attribute SUM
-    Cell c2 = TimelineStorageUtils.createNewCell(aRowKey, aFamily, aQualifier,
-        130L, Bytes.toBytes(cellValue2), tagByteArray);
+    Cell c2 = HBaseTimelineStorageUtils.createNewCell(aRowKey, aFamily,
+        aQualifier, 130L, Bytes.toBytes(cellValue2), tagByteArray);
     currentColumnCells.add(c2);
     List<Cell> cells = fs.processSummationMajorCompaction(currentColumnCells,
         new LongConverter(), currentTimestamp);
@@ -751,8 +751,8 @@ public class TestHBaseStorageFlowRunCompaction {
     SortedSet<Cell> currentColumnCells = new TreeSet<Cell>(KeyValue.COMPARATOR);
 
     // create a cell with a VERY old timestamp
-    Cell c1 = TimelineStorageUtils.createNewCell(aRowKey, aFamily, aQualifier,
-        120L, Bytes.toBytes(1110L), tagByteArray);
+    Cell c1 = HBaseTimelineStorageUtils.createNewCell(aRowKey, aFamily,
+        aQualifier, 120L, Bytes.toBytes(1110L), tagByteArray);
     currentColumnCells.add(c1);
 
     List<Cell> cells = fs.processSummationMajorCompaction(currentColumnCells,
@@ -789,8 +789,8 @@ public class TestHBaseStorageFlowRunCompaction {
 
     SortedSet<Cell> currentColumnCells = new TreeSet<Cell>(KeyValue.COMPARATOR);
 
-    Cell c1 = TimelineStorageUtils.createNewCell(aRowKey, aFamily, aQualifier,
-        currentTimestamp, Bytes.toBytes(1110L), tagByteArray);
+    Cell c1 = HBaseTimelineStorageUtils.createNewCell(aRowKey, aFamily,
+        aQualifier, currentTimestamp, Bytes.toBytes(1110L), tagByteArray);
     currentColumnCells.add(c1);
     List<Cell> cells = fs.processSummationMajorCompaction(currentColumnCells,
         new LongConverter(), currentTimestamp);

http://git-wip-us.apache.org/repos/asf/hadoop/blob/55f5886e/hadoop-yarn-project/hadoop-yarn/hadoop-yarn-server/hadoop-yarn-server-timelineservice/src/main/java/org/apache/hadoop/yarn/server/timelineservice/storage/common/AppIdKeyConverter.java
----------------------------------------------------------------------
diff --git a/hadoop-yarn-project/hadoop-yarn/hadoop-yarn-server/hadoop-yarn-server-timelineservice/src/main/java/org/apache/hadoop/yarn/server/timelineservice/storage/common/AppIdKeyConverter.java b/hadoop-yarn-project/hadoop-yarn/hadoop-yarn-server/hadoop-yarn-server-timelineservice/src/main/java/org/apache/hadoop/yarn/server/timelineservice/storage/common/AppIdKeyConverter.java
index 4cb46e6..c165801 100644
--- a/hadoop-yarn-project/hadoop-yarn/hadoop-yarn-server/hadoop-yarn-server-timelineservice/src/main/java/org/apache/hadoop/yarn/server/timelineservice/storage/common/AppIdKeyConverter.java
+++ b/hadoop-yarn-project/hadoop-yarn/hadoop-yarn-server/hadoop-yarn-server-timelineservice/src/main/java/org/apache/hadoop/yarn/server/timelineservice/storage/common/AppIdKeyConverter.java
@@ -54,7 +54,8 @@ public final class AppIdKeyConverter implements KeyConverter<String> {
     byte[] clusterTs = Bytes.toBytes(
         LongConverter.invertLong(appId.getClusterTimestamp()));
     System.arraycopy(clusterTs, 0, appIdBytes, 0, Bytes.SIZEOF_LONG);
-    byte[] seqId = Bytes.toBytes(TimelineStorageUtils.invertInt(appId.getId()));
+    byte[] seqId = Bytes.toBytes(
+        HBaseTimelineStorageUtils.invertInt(appId.getId()));
     System.arraycopy(seqId, 0, appIdBytes, Bytes.SIZEOF_LONG, Bytes.SIZEOF_INT);
     return appIdBytes;
   }
@@ -79,7 +80,7 @@ public final class AppIdKeyConverter implements KeyConverter<String> {
     }
     long clusterTs = LongConverter.invertLong(
         Bytes.toLong(appIdBytes, 0, Bytes.SIZEOF_LONG));
-    int seqId = TimelineStorageUtils.invertInt(
+    int seqId = HBaseTimelineStorageUtils.invertInt(
         Bytes.toInt(appIdBytes, Bytes.SIZEOF_LONG, Bytes.SIZEOF_INT));
     return ApplicationId.newInstance(clusterTs, seqId).toString();
   }

http://git-wip-us.apache.org/repos/asf/hadoop/blob/55f5886e/hadoop-yarn-project/hadoop-yarn/hadoop-yarn-server/hadoop-yarn-server-timelineservice/src/main/java/org/apache/hadoop/yarn/server/timelineservice/storage/common/HBaseTimelineStorageUtils.java
----------------------------------------------------------------------
diff --git a/hadoop-yarn-project/hadoop-yarn/hadoop-yarn-server/hadoop-yarn-server-timelineservice/src/main/java/org/apache/hadoop/yarn/server/timelineservice/storage/common/HBaseTimelineStorageUtils.java b/hadoop-yarn-project/hadoop-yarn/hadoop-yarn-server/hadoop-yarn-server-timelineservice/src/main/java/org/apache/hadoop/yarn/server/timelineservice/storage/common/HBaseTimelineStorageUtils.java
new file mode 100644
index 0000000..e93b470
--- /dev/null
+++ b/hadoop-yarn-project/hadoop-yarn/hadoop-yarn-server/hadoop-yarn-server-timelineservice/src/main/java/org/apache/hadoop/yarn/server/timelineservice/storage/common/HBaseTimelineStorageUtils.java
@@ -0,0 +1,243 @@
+/**
+ * Licensed to the Apache Software Foundation (ASF) under one or more
+ * contributor license agreements. See the NOTICE file distributed with this
+ * work for additional information regarding copyright ownership. The ASF
+ * licenses this file to you under the Apache License, Version 2.0 (the
+ * "License"); you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ * http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS, WITHOUT
+ * WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. See the
+ * License for the specific language governing permissions and limitations under
+ * the License.
+ */
+
+package org.apache.hadoop.yarn.server.timelineservice.storage.common;
+
+import org.apache.commons.logging.Log;
+import org.apache.commons.logging.LogFactory;
+import org.apache.hadoop.conf.Configuration;
+import org.apache.hadoop.hbase.Cell;
+import org.apache.hadoop.hbase.CellUtil;
+import org.apache.hadoop.hbase.HRegionInfo;
+import org.apache.hadoop.hbase.KeyValue;
+import org.apache.hadoop.hbase.Tag;
+import org.apache.hadoop.hbase.util.Bytes;
+import org.apache.hadoop.yarn.server.timelineservice.storage.flow.AggregationCompactionDimension;
+import org.apache.hadoop.yarn.server.timelineservice.storage.flow.AggregationOperation;
+import org.apache.hadoop.yarn.server.timelineservice.storage.flow.Attribute;
+import org.apache.hadoop.yarn.server.timelineservice.storage.flow.FlowRunTable;
+
+import java.io.IOException;
+import java.util.List;
+import java.util.Map;
+
+/**
+ * A bunch of utility functions used in HBase TimelineService backend.
+ */
+public final class HBaseTimelineStorageUtils {
+  /** milliseconds in one day. */
+  public static final long MILLIS_ONE_DAY = 86400000L;
+  private static final Log LOG =
+      LogFactory.getLog(HBaseTimelineStorageUtils.class);
+
+  private HBaseTimelineStorageUtils() {
+  }
+
+
+  /**
+   * Combines the input array of attributes and the input aggregation operation
+   * into a new array of attributes.
+   *
+   * @param attributes Attributes to be combined.
+   * @param aggOp Aggregation operation.
+   * @return array of combined attributes.
+   */
+  public static Attribute[] combineAttributes(Attribute[] attributes,
+                                              AggregationOperation aggOp) {
+    int newLength = getNewLengthCombinedAttributes(attributes, aggOp);
+    Attribute[] combinedAttributes = new Attribute[newLength];
+
+    if (attributes != null) {
+      System.arraycopy(attributes, 0, combinedAttributes, 0, attributes.length);
+    }
+
+    if (aggOp != null) {
+      Attribute a2 = aggOp.getAttribute();
+      combinedAttributes[newLength - 1] = a2;
+    }
+    return combinedAttributes;
+  }
+
+  /**
+   * Returns a number for the new array size. The new array is the combination
+   * of input array of attributes and the input aggregation operation.
+   *
+   * @param attributes Attributes.
+   * @param aggOp Aggregation operation.
+   * @return the size for the new array
+   */
+  private static int getNewLengthCombinedAttributes(Attribute[] attributes,
+      AggregationOperation aggOp) {
+    int oldLength = getAttributesLength(attributes);
+    int aggLength = getAppOpLength(aggOp);
+    return oldLength + aggLength;
+  }
+
+  private static int getAppOpLength(AggregationOperation aggOp) {
+    if (aggOp != null) {
+      return 1;
+    }
+    return 0;
+  }
+
+  private static int getAttributesLength(Attribute[] attributes) {
+    if (attributes != null) {
+      return attributes.length;
+    }
+    return 0;
+  }
+
+  /**
+   * Returns the first seen aggregation operation as seen in the list of input
+   * tags or null otherwise.
+   *
+   * @param tags list of HBase tags.
+   * @return AggregationOperation
+   */
+  public static AggregationOperation getAggregationOperationFromTagsList(
+      List<Tag> tags) {
+    for (AggregationOperation aggOp : AggregationOperation.values()) {
+      for (Tag tag : tags) {
+        if (tag.getType() == aggOp.getTagType()) {
+          return aggOp;
+        }
+      }
+    }
+    return null;
+  }
+
+  /**
+   * Creates a {@link Tag} from the input attribute.
+   *
+   * @param attribute Attribute from which tag has to be fetched.
+   * @return a HBase Tag.
+   */
+  public static Tag getTagFromAttribute(Map.Entry<String, byte[]> attribute) {
+    // attribute could be either an Aggregation Operation or
+    // an Aggregation Dimension
+    // Get the Tag type from either
+    AggregationOperation aggOp = AggregationOperation
+        .getAggregationOperation(attribute.getKey());
+    if (aggOp != null) {
+      Tag t = new Tag(aggOp.getTagType(), attribute.getValue());
+      return t;
+    }
+
+    AggregationCompactionDimension aggCompactDim =
+        AggregationCompactionDimension.getAggregationCompactionDimension(
+            attribute.getKey());
+    if (aggCompactDim != null) {
+      Tag t = new Tag(aggCompactDim.getTagType(), attribute.getValue());
+      return t;
+    }
+    return null;
+  }
+
+  /**
+   * creates a new cell based on the input cell but with the new value.
+   *
+   * @param origCell Original cell
+   * @param newValue new cell value
+   * @return cell
+   * @throws IOException while creating new cell.
+   */
+  public static Cell createNewCell(Cell origCell, byte[] newValue)
+      throws IOException {
+    return CellUtil.createCell(CellUtil.cloneRow(origCell),
+        CellUtil.cloneFamily(origCell), CellUtil.cloneQualifier(origCell),
+        origCell.getTimestamp(), KeyValue.Type.Put.getCode(), newValue);
+  }
+
+  /**
+   * creates a cell with the given inputs.
+   *
+   * @param row row of the cell to be created
+   * @param family column family name of the new cell
+   * @param qualifier qualifier for the new cell
+   * @param ts timestamp of the new cell
+   * @param newValue value of the new cell
+   * @param tags tags in the new cell
+   * @return cell
+   * @throws IOException while creating the cell.
+   */
+  public static Cell createNewCell(byte[] row, byte[] family, byte[] qualifier,
+      long ts, byte[] newValue, byte[] tags) throws IOException {
+    return CellUtil.createCell(row, family, qualifier, ts, KeyValue.Type.Put,
+        newValue, tags);
+  }
+
+  /**
+   * returns app id from the list of tags.
+   *
+   * @param tags cell tags to be looked into
+   * @return App Id as the AggregationCompactionDimension
+   */
+  public static String getAggregationCompactionDimension(List<Tag> tags) {
+    String appId = null;
+    for (Tag t : tags) {
+      if (AggregationCompactionDimension.APPLICATION_ID.getTagType() == t
+          .getType()) {
+        appId = Bytes.toString(t.getValue());
+        return appId;
+      }
+    }
+    return appId;
+  }
+
+  public static boolean isFlowRunTable(HRegionInfo hRegionInfo,
+                                       Configuration conf) {
+    String regionTableName = hRegionInfo.getTable().getNameAsString();
+    String flowRunTableName = conf.get(FlowRunTable.TABLE_NAME_CONF_NAME,
+        FlowRunTable.DEFAULT_TABLE_NAME);
+    if (HBaseTimelineStorageUtils.LOG.isDebugEnabled()) {
+      HBaseTimelineStorageUtils.LOG.debug("regionTableName=" + regionTableName);
+    }
+    if (flowRunTableName.equalsIgnoreCase(regionTableName)) {
+      if (HBaseTimelineStorageUtils.LOG.isDebugEnabled()) {
+        HBaseTimelineStorageUtils.LOG.debug(
+            "table is the flow run table!! " + flowRunTableName);
+      }
+      return true;
+    }
+    return false;
+  }
+
+  /**
+   * Converts an int into it's inverse int to be used in (row) keys
+   * where we want to have the largest int value in the top of the table
+   * (scans start at the largest int first).
+   *
+   * @param key value to be inverted so that the latest version will be first in
+   *          a scan.
+   * @return inverted int
+   */
+  public static int invertInt(int key) {
+    return Integer.MAX_VALUE - key;
+  }
+
+  /**
+   * returns the timestamp of that day's start (which is midnight 00:00:00 AM)
+   * for a given input timestamp.
+   *
+   * @param ts Timestamp.
+   * @return timestamp of that day's beginning (midnight)
+   */
+  public static long getTopOfTheDayTimestamp(long ts) {
+    long dayTimestamp = ts - (ts % MILLIS_ONE_DAY);
+    return dayTimestamp;
+  }
+}

http://git-wip-us.apache.org/repos/asf/hadoop/blob/55f5886e/hadoop-yarn-project/hadoop-yarn/hadoop-yarn-server/hadoop-yarn-server-timelineservice/src/main/java/org/apache/hadoop/yarn/server/timelineservice/storage/common/TimelineStorageUtils.java
----------------------------------------------------------------------
diff --git a/hadoop-yarn-project/hadoop-yarn/hadoop-yarn-server/hadoop-yarn-server-timelineservice/src/main/java/org/apache/hadoop/yarn/server/timelineservice/storage/common/TimelineStorageUtils.java b/hadoop-yarn-project/hadoop-yarn/hadoop-yarn-server/hadoop-yarn-server-timelineservice/src/main/java/org/apache/hadoop/yarn/server/timelineservice/storage/common/TimelineStorageUtils.java
index aa9a793..9b83659 100644
--- a/hadoop-yarn-project/hadoop-yarn/hadoop-yarn-server/hadoop-yarn-server-timelineservice/src/main/java/org/apache/hadoop/yarn/server/timelineservice/storage/common/TimelineStorageUtils.java
+++ b/hadoop-yarn-project/hadoop-yarn/hadoop-yarn-server/hadoop-yarn-server-timelineservice/src/main/java/org/apache/hadoop/yarn/server/timelineservice/storage/common/TimelineStorageUtils.java
@@ -20,22 +20,13 @@ package org.apache.hadoop.yarn.server.timelineservice.storage.common;
 import java.io.IOException;
 import java.util.HashMap;
 import java.util.HashSet;
-import java.util.List;
 import java.util.Map;
-import java.util.Map.Entry;
 import java.util.Set;
 
 import org.apache.commons.logging.Log;
 import org.apache.commons.logging.LogFactory;
 import org.apache.hadoop.classification.InterfaceAudience.Public;
 import org.apache.hadoop.classification.InterfaceStability.Unstable;
-import org.apache.hadoop.conf.Configuration;
-import org.apache.hadoop.hbase.Cell;
-import org.apache.hadoop.hbase.CellUtil;
-import org.apache.hadoop.hbase.HRegionInfo;
-import org.apache.hadoop.hbase.KeyValue;
-import org.apache.hadoop.hbase.Tag;
-import org.apache.hadoop.hbase.util.Bytes;
 import org.apache.hadoop.yarn.api.records.timelineservice.TimelineEntity;
 import org.apache.hadoop.yarn.api.records.timelineservice.TimelineEvent;
 import org.apache.hadoop.yarn.api.records.timelineservice.TimelineMetric;
@@ -47,10 +38,6 @@ import org.apache.hadoop.yarn.server.timelineservice.reader.filter.TimelineFilte
 import org.apache.hadoop.yarn.server.timelineservice.reader.filter.TimelineFilterList;
 import org.apache.hadoop.yarn.server.timelineservice.reader.filter.TimelineKeyValueFilter;
 import org.apache.hadoop.yarn.server.timelineservice.reader.filter.TimelineKeyValuesFilter;
-import org.apache.hadoop.yarn.server.timelineservice.storage.flow.AggregationCompactionDimension;
-import org.apache.hadoop.yarn.server.timelineservice.storage.flow.AggregationOperation;
-import org.apache.hadoop.yarn.server.timelineservice.storage.flow.Attribute;
-import org.apache.hadoop.yarn.server.timelineservice.storage.flow.FlowRunTable;
 
 /**
  * A bunch of utility functions used across TimelineReader and TimelineWriter.
@@ -63,133 +50,6 @@ public final class TimelineStorageUtils {
 
   private static final Log LOG = LogFactory.getLog(TimelineStorageUtils.class);
 
-  /** milliseconds in one day. */
-  public static final long MILLIS_ONE_DAY = 86400000L;
-
-  /**
-   * Converts an int into it's inverse int to be used in (row) keys
-   * where we want to have the largest int value in the top of the table
-   * (scans start at the largest int first).
-   *
-   * @param key value to be inverted so that the latest version will be first in
-   *          a scan.
-   * @return inverted int
-   */
-  public static int invertInt(int key) {
-    return Integer.MAX_VALUE - key;
-  }
-
-  /**
-   * returns the timestamp of that day's start (which is midnight 00:00:00 AM)
-   * for a given input timestamp.
-   *
-   * @param ts Timestamp.
-   * @return timestamp of that day's beginning (midnight)
-   */
-  public static long getTopOfTheDayTimestamp(long ts) {
-    long dayTimestamp = ts - (ts % MILLIS_ONE_DAY);
-    return dayTimestamp;
-  }
-
-  /**
-   * Combines the input array of attributes and the input aggregation operation
-   * into a new array of attributes.
-   *
-   * @param attributes Attributes to be combined.
-   * @param aggOp Aggregation operation.
-   * @return array of combined attributes.
-   */
-  public static Attribute[] combineAttributes(Attribute[] attributes,
-      AggregationOperation aggOp) {
-    int newLength = getNewLengthCombinedAttributes(attributes, aggOp);
-    Attribute[] combinedAttributes = new Attribute[newLength];
-
-    if (attributes != null) {
-      System.arraycopy(attributes, 0, combinedAttributes, 0, attributes.length);
-    }
-
-    if (aggOp != null) {
-      Attribute a2 = aggOp.getAttribute();
-      combinedAttributes[newLength - 1] = a2;
-    }
-    return combinedAttributes;
-  }
-
-  /**
-   * Returns a number for the new array size. The new array is the combination
-   * of input array of attributes and the input aggregation operation.
-   *
-   * @param attributes Attributes.
-   * @param aggOp Aggregation operation.
-   * @return the size for the new array
-   */
-  private static int getNewLengthCombinedAttributes(Attribute[] attributes,
-      AggregationOperation aggOp) {
-    int oldLength = getAttributesLength(attributes);
-    int aggLength = getAppOpLength(aggOp);
-    return oldLength + aggLength;
-  }
-
-  private static int getAppOpLength(AggregationOperation aggOp) {
-    if (aggOp != null) {
-      return 1;
-    }
-    return 0;
-  }
-
-  private static int getAttributesLength(Attribute[] attributes) {
-    if (attributes != null) {
-      return attributes.length;
-    }
-    return 0;
-  }
-
-  /**
-   * Returns the first seen aggregation operation as seen in the list of input
-   * tags or null otherwise.
-   *
-   * @param tags list of HBase tags.
-   * @return AggregationOperation
-   */
-  public static AggregationOperation getAggregationOperationFromTagsList(
-      List<Tag> tags) {
-    for (AggregationOperation aggOp : AggregationOperation.values()) {
-      for (Tag tag : tags) {
-        if (tag.getType() == aggOp.getTagType()) {
-          return aggOp;
-        }
-      }
-    }
-    return null;
-  }
-
-  /**
-   * Creates a {@link Tag} from the input attribute.
-   *
-   * @param attribute Attribute from which tag has to be fetched.
-   * @return a HBase Tag.
-   */
-  public static Tag getTagFromAttribute(Entry<String, byte[]> attribute) {
-    // attribute could be either an Aggregation Operation or
-    // an Aggregation Dimension
-    // Get the Tag type from either
-    AggregationOperation aggOp = AggregationOperation
-        .getAggregationOperation(attribute.getKey());
-    if (aggOp != null) {
-      Tag t = new Tag(aggOp.getTagType(), attribute.getValue());
-      return t;
-    }
-
-    AggregationCompactionDimension aggCompactDim =
-        AggregationCompactionDimension.getAggregationCompactionDimension(
-            attribute.getKey());
-    if (aggCompactDim != null) {
-      Tag t = new Tag(aggCompactDim.getTagType(), attribute.getValue());
-      return t;
-    }
-    return null;
-  }
-
   /**
    * Matches key-values filter. Used for relatesTo/isRelatedTo filters.
    *
@@ -516,71 +376,4 @@ public final class TimelineStorageUtils {
         (obj instanceof Long);
   }
 
-  /**
-   * creates a new cell based on the input cell but with the new value.
-   *
-   * @param origCell Original cell
-   * @param newValue new cell value
-   * @return cell
-   * @throws IOException while creating new cell.
-   */
-  public static Cell createNewCell(Cell origCell, byte[] newValue)
-      throws IOException {
-    return CellUtil.createCell(CellUtil.cloneRow(origCell),
-        CellUtil.cloneFamily(origCell), CellUtil.cloneQualifier(origCell),
-        origCell.getTimestamp(), KeyValue.Type.Put.getCode(), newValue);
-  }
-
-  /**
-   * creates a cell with the given inputs.
-   *
-   * @param row row of the cell to be created
-   * @param family column family name of the new cell
-   * @param qualifier qualifier for the new cell
-   * @param ts timestamp of the new cell
-   * @param newValue value of the new cell
-   * @param tags tags in the new cell
-   * @return cell
-   * @throws IOException while creating the cell.
-   */
-  public static Cell createNewCell(byte[] row, byte[] family, byte[] qualifier,
-      long ts, byte[] newValue, byte[] tags) throws IOException {
-    return CellUtil.createCell(row, family, qualifier, ts, KeyValue.Type.Put,
-        newValue, tags);
-  }
-
-  /**
-   * returns app id from the list of tags.
-   *
-   * @param tags cell tags to be looked into
-   * @return App Id as the AggregationCompactionDimension
-   */
-  public static String getAggregationCompactionDimension(List<Tag> tags) {
-    String appId = null;
-    for (Tag t : tags) {
-      if (AggregationCompactionDimension.APPLICATION_ID.getTagType() == t
-          .getType()) {
-        appId = Bytes.toString(t.getValue());
-        return appId;
-      }
-    }
-    return appId;
-  }
-
-  public static boolean isFlowRunTable(HRegionInfo hRegionInfo,
-      Configuration conf) {
-    String regionTableName = hRegionInfo.getTable().getNameAsString();
-    String flowRunTableName = conf.get(FlowRunTable.TABLE_NAME_CONF_NAME,
-        FlowRunTable.DEFAULT_TABLE_NAME);
-    if (LOG.isDebugEnabled()) {
-      LOG.debug("regionTableName=" + regionTableName);
-    }
-    if (flowRunTableName.equalsIgnoreCase(regionTableName)) {
-      if (LOG.isDebugEnabled()) {
-        LOG.debug(" table is the flow run table!! " + flowRunTableName);
-      }
-      return true;
-    }
-    return false;
-  }
 }

http://git-wip-us.apache.org/repos/asf/hadoop/blob/55f5886e/hadoop-yarn-project/hadoop-yarn/hadoop-yarn-server/hadoop-yarn-server-timelineservice/src/main/java/org/apache/hadoop/yarn/server/timelineservice/storage/flow/FlowActivityColumnPrefix.java
----------------------------------------------------------------------
diff --git a/hadoop-yarn-project/hadoop-yarn/hadoop-yarn-server/hadoop-yarn-server-timelineservice/src/main/java/org/apache/hadoop/yarn/server/timelineservice/storage/flow/FlowActivityColumnPrefix.java b/hadoop-yarn-project/hadoop-yarn/hadoop-yarn-server/hadoop-yarn-server-timelineservice/src/main/java/org/apache/hadoop/yarn/server/timelineservice/storage/flow/FlowActivityColumnPrefix.java
index 71c3d90..439e0c8 100644
--- a/hadoop-yarn-project/hadoop-yarn/hadoop-yarn-server/hadoop-yarn-server-timelineservice/src/main/java/org/apache/hadoop/yarn/server/timelineservice/storage/flow/FlowActivityColumnPrefix.java
+++ b/hadoop-yarn-project/hadoop-yarn/hadoop-yarn-server/hadoop-yarn-server-timelineservice/src/main/java/org/apache/hadoop/yarn/server/timelineservice/storage/flow/FlowActivityColumnPrefix.java
@@ -26,9 +26,9 @@ import org.apache.hadoop.hbase.util.Bytes;
 import org.apache.hadoop.yarn.server.timelineservice.storage.common.ColumnFamily;
 import org.apache.hadoop.yarn.server.timelineservice.storage.common.ColumnHelper;
 import org.apache.hadoop.yarn.server.timelineservice.storage.common.ColumnPrefix;
+import org.apache.hadoop.yarn.server.timelineservice.storage.common.HBaseTimelineStorageUtils;
 import org.apache.hadoop.yarn.server.timelineservice.storage.common.KeyConverter;
 import org.apache.hadoop.yarn.server.timelineservice.storage.common.Separator;
-import org.apache.hadoop.yarn.server.timelineservice.storage.common.TimelineStorageUtils;
 import org.apache.hadoop.yarn.server.timelineservice.storage.common.TypedBufferedMutator;
 import org.apache.hadoop.yarn.server.timelineservice.storage.common.ValueConverter;
 
@@ -144,8 +144,8 @@ public enum FlowActivityColumnPrefix
     }
 
     byte[] columnQualifier = getColumnPrefixBytes(qualifier);
-    Attribute[] combinedAttributes = TimelineStorageUtils.combineAttributes(
-        attributes, this.aggOp);
+    Attribute[] combinedAttributes =
+        HBaseTimelineStorageUtils.combineAttributes(attributes, this.aggOp);
     column.store(rowKey, tableMutator, columnQualifier, timestamp, inputValue,
         combinedAttributes);
   }
@@ -269,8 +269,8 @@ public enum FlowActivityColumnPrefix
     }
 
     byte[] columnQualifier = getColumnPrefixBytes(qualifier);
-    Attribute[] combinedAttributes = TimelineStorageUtils.combineAttributes(
-        attributes, this.aggOp);
+    Attribute[] combinedAttributes =
+        HBaseTimelineStorageUtils.combineAttributes(attributes, this.aggOp);
     column.store(rowKey, tableMutator, columnQualifier, null, inputValue,
         combinedAttributes);
   }

http://git-wip-us.apache.org/repos/asf/hadoop/blob/55f5886e/hadoop-yarn-project/hadoop-yarn/hadoop-yarn-server/hadoop-yarn-server-timelineservice/src/main/java/org/apache/hadoop/yarn/server/timelineservice/storage/flow/FlowActivityRowKey.java
----------------------------------------------------------------------
diff --git a/hadoop-yarn-project/hadoop-yarn/hadoop-yarn-server/hadoop-yarn-server-timelineservice/src/main/java/org/apache/hadoop/yarn/server/timelineservice/storage/flow/FlowActivityRowKey.java b/hadoop-yarn-project/hadoop-yarn/hadoop-yarn-server/hadoop-yarn-server-timelineservice/src/main/java/org/apache/hadoop/yarn/server/timelineservice/storage/flow/FlowActivityRowKey.java
index d10608a..bb77e36 100644
--- a/hadoop-yarn-project/hadoop-yarn/hadoop-yarn-server/hadoop-yarn-server-timelineservice/src/main/java/org/apache/hadoop/yarn/server/timelineservice/storage/flow/FlowActivityRowKey.java
+++ b/hadoop-yarn-project/hadoop-yarn/hadoop-yarn-server/hadoop-yarn-server-timelineservice/src/main/java/org/apache/hadoop/yarn/server/timelineservice/storage/flow/FlowActivityRowKey.java
@@ -18,10 +18,10 @@
 package org.apache.hadoop.yarn.server.timelineservice.storage.flow;
 
 import org.apache.hadoop.hbase.util.Bytes;
+import org.apache.hadoop.yarn.server.timelineservice.storage.common.HBaseTimelineStorageUtils;
 import org.apache.hadoop.yarn.server.timelineservice.storage.common.KeyConverter;
 import org.apache.hadoop.yarn.server.timelineservice.storage.common.LongConverter;
 import org.apache.hadoop.yarn.server.timelineservice.storage.common.Separator;
-import org.apache.hadoop.yarn.server.timelineservice.storage.common.TimelineStorageUtils;
 
 /**
  * Represents a rowkey for the flow activity table.
@@ -59,7 +59,7 @@ public class FlowActivityRowKey {
       String flowName, boolean convertDayTsToTopOfDay) {
     this.clusterId = clusterId;
     if (convertDayTsToTopOfDay && (timestamp != null)) {
-      this.dayTs = TimelineStorageUtils.getTopOfTheDayTimestamp(timestamp);
+      this.dayTs = HBaseTimelineStorageUtils.getTopOfTheDayTimestamp(timestamp);
     } else {
       this.dayTs = timestamp;
     }

http://git-wip-us.apache.org/repos/asf/hadoop/blob/55f5886e/hadoop-yarn-project/hadoop-yarn/hadoop-yarn-server/hadoop-yarn-server-timelineservice/src/main/java/org/apache/hadoop/yarn/server/timelineservice/storage/flow/FlowRunColumn.java
----------------------------------------------------------------------
diff --git a/hadoop-yarn-project/hadoop-yarn/hadoop-yarn-server/hadoop-yarn-server-timelineservice/src/main/java/org/apache/hadoop/yarn/server/timelineservice/storage/flow/FlowRunColumn.java b/hadoop-yarn-project/hadoop-yarn/hadoop-yarn-server/hadoop-yarn-server-timelineservice/src/main/java/org/apache/hadoop/yarn/server/timelineservice/storage/flow/FlowRunColumn.java
index 2e7a9d8..90dd345 100644
--- a/hadoop-yarn-project/hadoop-yarn/hadoop-yarn-server/hadoop-yarn-server-timelineservice/src/main/java/org/apache/hadoop/yarn/server/timelineservice/storage/flow/FlowRunColumn.java
+++ b/hadoop-yarn-project/hadoop-yarn/hadoop-yarn-server/hadoop-yarn-server-timelineservice/src/main/java/org/apache/hadoop/yarn/server/timelineservice/storage/flow/FlowRunColumn.java
@@ -25,9 +25,9 @@ import org.apache.hadoop.yarn.server.timelineservice.storage.common.Column;
 import org.apache.hadoop.yarn.server.timelineservice.storage.common.ColumnFamily;
 import org.apache.hadoop.yarn.server.timelineservice.storage.common.ColumnHelper;
 import org.apache.hadoop.yarn.server.timelineservice.storage.common.GenericConverter;
+import org.apache.hadoop.yarn.server.timelineservice.storage.common.HBaseTimelineStorageUtils;
 import org.apache.hadoop.yarn.server.timelineservice.storage.common.LongConverter;
 import org.apache.hadoop.yarn.server.timelineservice.storage.common.Separator;
-import org.apache.hadoop.yarn.server.timelineservice.storage.common.TimelineStorageUtils;
 import org.apache.hadoop.yarn.server.timelineservice.storage.common.TypedBufferedMutator;
 import org.apache.hadoop.yarn.server.timelineservice.storage.common.ValueConverter;
 
@@ -113,8 +113,8 @@ public enum FlowRunColumn implements Column<FlowRunTable> {
       TypedBufferedMutator<FlowRunTable> tableMutator, Long timestamp,
       Object inputValue, Attribute... attributes) throws IOException {
 
-    Attribute[] combinedAttributes = TimelineStorageUtils.combineAttributes(
-        attributes, aggOp);
+    Attribute[] combinedAttributes =
+        HBaseTimelineStorageUtils.combineAttributes(attributes, aggOp);
     column.store(rowKey, tableMutator, columnQualifierBytes, timestamp,
         inputValue, combinedAttributes);
   }

http://git-wip-us.apache.org/repos/asf/hadoop/blob/55f5886e/hadoop-yarn-project/hadoop-yarn/hadoop-yarn-server/hadoop-yarn-server-timelineservice/src/main/java/org/apache/hadoop/yarn/server/timelineservice/storage/flow/FlowRunColumnPrefix.java
----------------------------------------------------------------------
diff --git a/hadoop-yarn-project/hadoop-yarn/hadoop-yarn-server/hadoop-yarn-server-timelineservice/src/main/java/org/apache/hadoop/yarn/server/timelineservice/storage/flow/FlowRunColumnPrefix.java b/hadoop-yarn-project/hadoop-yarn/hadoop-yarn-server/hadoop-yarn-server-timelineservice/src/main/java/org/apache/hadoop/yarn/server/timelineservice/storage/flow/FlowRunColumnPrefix.java
index e74282a..278d18e 100644
--- a/hadoop-yarn-project/hadoop-yarn/hadoop-yarn-server/hadoop-yarn-server-timelineservice/src/main/java/org/apache/hadoop/yarn/server/timelineservice/storage/flow/FlowRunColumnPrefix.java
+++ b/hadoop-yarn-project/hadoop-yarn/hadoop-yarn-server/hadoop-yarn-server-timelineservice/src/main/java/org/apache/hadoop/yarn/server/timelineservice/storage/flow/FlowRunColumnPrefix.java
@@ -26,10 +26,10 @@ import org.apache.hadoop.hbase.util.Bytes;
 import org.apache.hadoop.yarn.server.timelineservice.storage.common.ColumnFamily;
 import org.apache.hadoop.yarn.server.timelineservice.storage.common.ColumnHelper;
 import org.apache.hadoop.yarn.server.timelineservice.storage.common.ColumnPrefix;
+import org.apache.hadoop.yarn.server.timelineservice.storage.common.HBaseTimelineStorageUtils;
 import org.apache.hadoop.yarn.server.timelineservice.storage.common.KeyConverter;
 import org.apache.hadoop.yarn.server.timelineservice.storage.common.LongConverter;
 import org.apache.hadoop.yarn.server.timelineservice.storage.common.Separator;
-import org.apache.hadoop.yarn.server.timelineservice.storage.common.TimelineStorageUtils;
 import org.apache.hadoop.yarn.server.timelineservice.storage.common.TypedBufferedMutator;
 import org.apache.hadoop.yarn.server.timelineservice.storage.common.ValueConverter;
 
@@ -136,7 +136,7 @@ public enum FlowRunColumnPrefix implements ColumnPrefix<FlowRunTable> {
 
     byte[] columnQualifier = getColumnPrefixBytes(qualifier);
     Attribute[] combinedAttributes =
-        TimelineStorageUtils.combineAttributes(attributes, this.aggOp);
+        HBaseTimelineStorageUtils.combineAttributes(attributes, this.aggOp);
     column.store(rowKey, tableMutator, columnQualifier, timestamp, inputValue,
         combinedAttributes);
   }
@@ -163,7 +163,7 @@ public enum FlowRunColumnPrefix implements ColumnPrefix<FlowRunTable> {
 
     byte[] columnQualifier = getColumnPrefixBytes(qualifier);
     Attribute[] combinedAttributes =
-        TimelineStorageUtils.combineAttributes(attributes, this.aggOp);
+        HBaseTimelineStorageUtils.combineAttributes(attributes, this.aggOp);
     column.store(rowKey, tableMutator, columnQualifier, timestamp, inputValue,
         combinedAttributes);
   }

http://git-wip-us.apache.org/repos/asf/hadoop/blob/55f5886e/hadoop-yarn-project/hadoop-yarn/hadoop-yarn-server/hadoop-yarn-server-timelineservice/src/main/java/org/apache/hadoop/yarn/server/timelineservice/storage/flow/FlowRunCoprocessor.java
----------------------------------------------------------------------
diff --git a/hadoop-yarn-project/hadoop-yarn/hadoop-yarn-server/hadoop-yarn-server-timelineservice/src/main/java/org/apache/hadoop/yarn/server/timelineservice/storage/flow/FlowRunCoprocessor.java b/hadoop-yarn-project/hadoop-yarn/hadoop-yarn-server/hadoop-yarn-server-timelineservice/src/main/java/org/apache/hadoop/yarn/server/timelineservice/storage/flow/FlowRunCoprocessor.java
index a9dcfaa..2be6ef8 100644
--- a/hadoop-yarn-project/hadoop-yarn/hadoop-yarn-server/hadoop-yarn-server-timelineservice/src/main/java/org/apache/hadoop/yarn/server/timelineservice/storage/flow/FlowRunCoprocessor.java
+++ b/hadoop-yarn-project/hadoop-yarn/hadoop-yarn-server/hadoop-yarn-server-timelineservice/src/main/java/org/apache/hadoop/yarn/server/timelineservice/storage/flow/FlowRunCoprocessor.java
@@ -48,7 +48,7 @@ import org.apache.hadoop.hbase.regionserver.StoreFile;
 import org.apache.hadoop.hbase.regionserver.compactions.CompactionRequest;
 import org.apache.hadoop.hbase.regionserver.wal.WALEdit;
 import org.apache.hadoop.hbase.util.Bytes;
-import org.apache.hadoop.yarn.server.timelineservice.storage.common.TimelineStorageUtils;
+import org.apache.hadoop.yarn.server.timelineservice.storage.common.HBaseTimelineStorageUtils;
 import org.apache.hadoop.yarn.server.timelineservice.storage.common.TimestampGenerator;
 
 /**
@@ -71,7 +71,7 @@ public class FlowRunCoprocessor extends BaseRegionObserver {
     if (e instanceof RegionCoprocessorEnvironment) {
       RegionCoprocessorEnvironment env = (RegionCoprocessorEnvironment) e;
       this.region = env.getRegion();
-      isFlowRunRegion = TimelineStorageUtils.isFlowRunTable(
+      isFlowRunRegion = HBaseTimelineStorageUtils.isFlowRunTable(
           region.getRegionInfo(), env.getConfiguration());
     }
   }
@@ -107,7 +107,7 @@ public class FlowRunCoprocessor extends BaseRegionObserver {
     List<Tag> tags = new ArrayList<>();
     if ((attributes != null) && (attributes.size() > 0)) {
       for (Map.Entry<String, byte[]> attribute : attributes.entrySet()) {
-        Tag t = TimelineStorageUtils.getTagFromAttribute(attribute);
+        Tag t = HBaseTimelineStorageUtils.getTagFromAttribute(attribute);
         tags.add(t);
       }
       byte[] tagByteArray = Tag.fromList(tags);

http://git-wip-us.apache.org/repos/asf/hadoop/blob/55f5886e/hadoop-yarn-project/hadoop-yarn/hadoop-yarn-server/hadoop-yarn-server-timelineservice/src/main/java/org/apache/hadoop/yarn/server/timelineservice/storage/flow/FlowScanner.java
----------------------------------------------------------------------
diff --git a/hadoop-yarn-project/hadoop-yarn/hadoop-yarn-server/hadoop-yarn-server-timelineservice/src/main/java/org/apache/hadoop/yarn/server/timelineservice/storage/flow/FlowScanner.java b/hadoop-yarn-project/hadoop-yarn/hadoop-yarn-server/hadoop-yarn-server-timelineservice/src/main/java/org/apache/hadoop/yarn/server/timelineservice/storage/flow/FlowScanner.java
index 6e67722..0e3c8ee 100644
--- a/hadoop-yarn-project/hadoop-yarn/hadoop-yarn-server/hadoop-yarn-server-timelineservice/src/main/java/org/apache/hadoop/yarn/server/timelineservice/storage/flow/FlowScanner.java
+++ b/hadoop-yarn-project/hadoop-yarn/hadoop-yarn-server/hadoop-yarn-server-timelineservice/src/main/java/org/apache/hadoop/yarn/server/timelineservice/storage/flow/FlowScanner.java
@@ -45,9 +45,9 @@ import org.apache.hadoop.hbase.util.Bytes;
 import org.apache.hadoop.hbase.util.Bytes.ByteArrayComparator;
 import org.apache.hadoop.yarn.conf.YarnConfiguration;
 import org.apache.hadoop.yarn.server.timelineservice.storage.common.GenericConverter;
+import org.apache.hadoop.yarn.server.timelineservice.storage.common.HBaseTimelineStorageUtils;
 import org.apache.hadoop.yarn.server.timelineservice.storage.common.NumericValueConverter;
 import org.apache.hadoop.yarn.server.timelineservice.storage.common.Separator;
-import org.apache.hadoop.yarn.server.timelineservice.storage.common.TimelineStorageUtils;
 import org.apache.hadoop.yarn.server.timelineservice.storage.common.TimestampGenerator;
 import org.apache.hadoop.yarn.server.timelineservice.storage.common.ValueConverter;
 
@@ -249,7 +249,7 @@ class FlowScanner implements RegionScanner, Closeable {
     List<Tag> tags = Tag.asList(cell.getTagsArray(), cell.getTagsOffset(),
         cell.getTagsLength());
     // We assume that all the operations for a particular column are the same
-    return TimelineStorageUtils.getAggregationOperationFromTagsList(tags);
+    return HBaseTimelineStorageUtils.getAggregationOperationFromTagsList(tags);
   }
 
   /**
@@ -323,7 +323,7 @@ class FlowScanner implements RegionScanner, Closeable {
       // only if this app has not been seen yet, add to current column cells
       List<Tag> tags = Tag.asList(cell.getTagsArray(), cell.getTagsOffset(),
           cell.getTagsLength());
-      String aggDim = TimelineStorageUtils
+      String aggDim = HBaseTimelineStorageUtils
           .getAggregationCompactionDimension(tags);
       if (!alreadySeenAggDim.contains(aggDim)) {
         // if this agg dimension has already been seen,
@@ -418,7 +418,8 @@ class FlowScanner implements RegionScanner, Closeable {
       sum = converter.add(sum, currentValue);
     }
     byte[] sumBytes = converter.encodeValue(sum);
-    Cell sumCell = TimelineStorageUtils.createNewCell(mostRecentCell, sumBytes);
+    Cell sumCell =
+        HBaseTimelineStorageUtils.createNewCell(mostRecentCell, sumBytes);
     return sumCell;
   }
 
@@ -460,7 +461,7 @@ class FlowScanner implements RegionScanner, Closeable {
       // if this is the existing flow sum cell
       List<Tag> tags = Tag.asList(cell.getTagsArray(), cell.getTagsOffset(),
           cell.getTagsLength());
-      String appId = TimelineStorageUtils
+      String appId = HBaseTimelineStorageUtils
           .getAggregationCompactionDimension(tags);
       if (appId == FLOW_APP_ID) {
         sum = converter.add(sum, currentValue);
@@ -502,7 +503,7 @@ class FlowScanner implements RegionScanner, Closeable {
           Bytes.toBytes(FLOW_APP_ID));
       tags.add(t);
       byte[] tagByteArray = Tag.fromList(tags);
-      Cell sumCell = TimelineStorageUtils.createNewCell(
+      Cell sumCell = HBaseTimelineStorageUtils.createNewCell(
           CellUtil.cloneRow(anyCell),
           CellUtil.cloneFamily(anyCell),
           CellUtil.cloneQualifier(anyCell),

http://git-wip-us.apache.org/repos/asf/hadoop/blob/55f5886e/hadoop-yarn-project/hadoop-yarn/hadoop-yarn-server/hadoop-yarn-server-timelineservice/src/test/java/org/apache/hadoop/yarn/server/timelineservice/storage/common/TestRowKeys.java
----------------------------------------------------------------------
diff --git a/hadoop-yarn-project/hadoop-yarn/hadoop-yarn-server/hadoop-yarn-server-timelineservice/src/test/java/org/apache/hadoop/yarn/server/timelineservice/storage/common/TestRowKeys.java b/hadoop-yarn-project/hadoop-yarn/hadoop-yarn-server/hadoop-yarn-server-timelineservice/src/test/java/org/apache/hadoop/yarn/server/timelineservice/storage/common/TestRowKeys.java
index 368b060..5beb189 100644
--- a/hadoop-yarn-project/hadoop-yarn/hadoop-yarn-server/hadoop-yarn-server-timelineservice/src/test/java/org/apache/hadoop/yarn/server/timelineservice/storage/common/TestRowKeys.java
+++ b/hadoop-yarn-project/hadoop-yarn/hadoop-yarn-server/hadoop-yarn-server-timelineservice/src/test/java/org/apache/hadoop/yarn/server/timelineservice/storage/common/TestRowKeys.java
@@ -185,7 +185,7 @@ public class TestRowKeys {
   @Test
   public void testFlowActivityRowKey() {
     Long ts = 1459900830000L;
-    Long dayTimestamp = TimelineStorageUtils.getTopOfTheDayTimestamp(ts);
+    Long dayTimestamp = HBaseTimelineStorageUtils.getTopOfTheDayTimestamp(ts);
     byte[] byteRowKey =
         new FlowActivityRowKey(CLUSTER, ts, USER, FLOW_NAME).getRowKey();
     FlowActivityRowKey rowKey = FlowActivityRowKey.parseRowKey(byteRowKey);


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