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From zjs...@apache.org
Subject svn commit: r1567816 - in /hadoop/common/trunk/hadoop-yarn-project: ./ hadoop-yarn/hadoop-yarn-server/hadoop-yarn-server-applicationhistoryservice/src/main/java/org/apache/hadoop/yarn/server/applicationhistoryservice/ hadoop-yarn/hadoop-yarn-server/had...
Date Thu, 13 Feb 2014 00:08:48 GMT
Author: zjshen
Date: Thu Feb 13 00:08:47 2014
New Revision: 1567816

URL: http://svn.apache.org/r1567816
Log:
YARN-1578. Fixed reading incomplete application attempt and container data in FileSystemApplicationHistoryStore.
Contributed by Shinichi Yamashita.

Modified:
    hadoop/common/trunk/hadoop-yarn-project/CHANGES.txt
    hadoop/common/trunk/hadoop-yarn-project/hadoop-yarn/hadoop-yarn-server/hadoop-yarn-server-applicationhistoryservice/src/main/java/org/apache/hadoop/yarn/server/applicationhistoryservice/FileSystemApplicationHistoryStore.java
    hadoop/common/trunk/hadoop-yarn-project/hadoop-yarn/hadoop-yarn-server/hadoop-yarn-server-applicationhistoryservice/src/test/java/org/apache/hadoop/yarn/server/applicationhistoryservice/TestFileSystemApplicationHistoryStore.java

Modified: hadoop/common/trunk/hadoop-yarn-project/CHANGES.txt
URL: http://svn.apache.org/viewvc/hadoop/common/trunk/hadoop-yarn-project/CHANGES.txt?rev=1567816&r1=1567815&r2=1567816&view=diff
==============================================================================
--- hadoop/common/trunk/hadoop-yarn-project/CHANGES.txt (original)
+++ hadoop/common/trunk/hadoop-yarn-project/CHANGES.txt Thu Feb 13 00:08:47 2014
@@ -259,6 +259,9 @@ Release 2.4.0 - UNRELEASED
     YARN-1692. ConcurrentModificationException in fair scheduler AppSchedulable
     (Sangjin Lee via Sandy Ryza)
 
+    YARN-1578. Fixed reading incomplete application attempt and container data
+    in FileSystemApplicationHistoryStore. (Shinichi Yamashita via zjshen)
+
 Release 2.3.1 - UNRELEASED
 
   INCOMPATIBLE CHANGES

Modified: hadoop/common/trunk/hadoop-yarn-project/hadoop-yarn/hadoop-yarn-server/hadoop-yarn-server-applicationhistoryservice/src/main/java/org/apache/hadoop/yarn/server/applicationhistoryservice/FileSystemApplicationHistoryStore.java
URL: http://svn.apache.org/viewvc/hadoop/common/trunk/hadoop-yarn-project/hadoop-yarn/hadoop-yarn-server/hadoop-yarn-server-applicationhistoryservice/src/main/java/org/apache/hadoop/yarn/server/applicationhistoryservice/FileSystemApplicationHistoryStore.java?rev=1567816&r1=1567815&r2=1567816&view=diff
==============================================================================
--- hadoop/common/trunk/hadoop-yarn-project/hadoop-yarn/hadoop-yarn-server/hadoop-yarn-server-applicationhistoryservice/src/main/java/org/apache/hadoop/yarn/server/applicationhistoryservice/FileSystemApplicationHistoryStore.java
(original)
+++ hadoop/common/trunk/hadoop-yarn-project/hadoop-yarn/hadoop-yarn-server/hadoop-yarn-server-applicationhistoryservice/src/main/java/org/apache/hadoop/yarn/server/applicationhistoryservice/FileSystemApplicationHistoryStore.java
Thu Feb 13 00:08:47 2014
@@ -215,17 +215,30 @@ public class FileSystemApplicationHistor
       getApplicationAttempts(ApplicationId appId) throws IOException {
     Map<ApplicationAttemptId, ApplicationAttemptHistoryData> historyDataMap =
         new HashMap<ApplicationAttemptId, ApplicationAttemptHistoryData>();
-    Map<ApplicationAttemptId, StartFinishDataPair<ApplicationAttemptStartData, ApplicationAttemptFinishData>>
startFinshDataMap =
-        new HashMap<ApplicationAttemptId, StartFinishDataPair<ApplicationAttemptStartData,
ApplicationAttemptFinishData>>();
     HistoryFileReader hfReader = getHistoryFileReader(appId);
     try {
       while (hfReader.hasNext()) {
         HistoryFileReader.Entry entry = hfReader.next();
-        if (entry.key.id.startsWith(ConverterUtils.APPLICATION_ATTEMPT_PREFIX)) {
-          if (entry.key.suffix.equals(START_DATA_SUFFIX)) {
-            retrieveStartFinishData(appId, entry, startFinshDataMap, true);
-          } else if (entry.key.suffix.equals(FINISH_DATA_SUFFIX)) {
-            retrieveStartFinishData(appId, entry, startFinshDataMap, false);
+        if (entry.key.id.startsWith(
+            ConverterUtils.APPLICATION_ATTEMPT_PREFIX)) {
+          ApplicationAttemptId appAttemptId = 
+              ConverterUtils.toApplicationAttemptId(entry.key.id);
+          if (appAttemptId.getApplicationId().equals(appId)) {
+            ApplicationAttemptHistoryData historyData = 
+                historyDataMap.get(appAttemptId);
+            if (historyData == null) {
+              historyData = ApplicationAttemptHistoryData.newInstance(
+                  appAttemptId, null, -1, null, null, null,
+                  FinalApplicationStatus.UNDEFINED, null);
+              historyDataMap.put(appAttemptId, historyData);
+            }
+            if (entry.key.suffix.equals(START_DATA_SUFFIX)) {
+              mergeApplicationAttemptHistoryData(historyData,
+                  parseApplicationAttemptStartData(entry.value));
+            } else if (entry.key.suffix.equals(FINISH_DATA_SUFFIX)) {
+              mergeApplicationAttemptHistoryData(historyData,
+                  parseApplicationAttemptFinishData(entry.value));
+            }
           }
         }
       }
@@ -237,45 +250,9 @@ public class FileSystemApplicationHistor
     } finally {
       hfReader.close();
     }
-    for (Map.Entry<ApplicationAttemptId, StartFinishDataPair<ApplicationAttemptStartData,
ApplicationAttemptFinishData>> entry : startFinshDataMap
-      .entrySet()) {
-      ApplicationAttemptHistoryData historyData =
-          ApplicationAttemptHistoryData.newInstance(entry.getKey(), null, -1,
-            null, null, null, FinalApplicationStatus.UNDEFINED, null);
-      mergeApplicationAttemptHistoryData(historyData,
-        entry.getValue().startData);
-      mergeApplicationAttemptHistoryData(historyData,
-        entry.getValue().finishData);
-      historyDataMap.put(entry.getKey(), historyData);
-    }
     return historyDataMap;
   }
 
-  private
-      void
-      retrieveStartFinishData(
-          ApplicationId appId,
-          HistoryFileReader.Entry entry,
-          Map<ApplicationAttemptId, StartFinishDataPair<ApplicationAttemptStartData,
ApplicationAttemptFinishData>> startFinshDataMap,
-          boolean start) throws IOException {
-    ApplicationAttemptId appAttemptId =
-        ConverterUtils.toApplicationAttemptId(entry.key.id);
-    if (appAttemptId.getApplicationId().equals(appId)) {
-      StartFinishDataPair<ApplicationAttemptStartData, ApplicationAttemptFinishData>
pair =
-          startFinshDataMap.get(appAttemptId);
-      if (pair == null) {
-        pair =
-            new StartFinishDataPair<ApplicationAttemptStartData, ApplicationAttemptFinishData>();
-        startFinshDataMap.put(appAttemptId, pair);
-      }
-      if (start) {
-        pair.startData = parseApplicationAttemptStartData(entry.value);
-      } else {
-        pair.finishData = parseApplicationAttemptFinishData(entry.value);
-      }
-    }
-  }
-
   @Override
   public ApplicationAttemptHistoryData getApplicationAttempt(
       ApplicationAttemptId appAttemptId) throws IOException {
@@ -391,20 +368,30 @@ public class FileSystemApplicationHistor
       ApplicationAttemptId appAttemptId) throws IOException {
     Map<ContainerId, ContainerHistoryData> historyDataMap =
         new HashMap<ContainerId, ContainerHistoryData>();
-    Map<ContainerId, StartFinishDataPair<ContainerStartData, ContainerFinishData>>
startFinshDataMap =
-        new HashMap<ContainerId, StartFinishDataPair<ContainerStartData, ContainerFinishData>>();
     HistoryFileReader hfReader =
         getHistoryFileReader(appAttemptId.getApplicationId());
     try {
       while (hfReader.hasNext()) {
         HistoryFileReader.Entry entry = hfReader.next();
         if (entry.key.id.startsWith(ConverterUtils.CONTAINER_PREFIX)) {
-          if (entry.key.suffix.equals(START_DATA_SUFFIX)) {
-            retrieveStartFinishData(appAttemptId, entry, startFinshDataMap,
-              true);
-          } else if (entry.key.suffix.equals(FINISH_DATA_SUFFIX)) {
-            retrieveStartFinishData(appAttemptId, entry, startFinshDataMap,
-              false);
+          ContainerId containerId =
+              ConverterUtils.toContainerId(entry.key.id);
+          if (containerId.getApplicationAttemptId().equals(appAttemptId)) {
+            ContainerHistoryData historyData =
+                historyDataMap.get(containerId);
+            if (historyData == null) {
+              historyData = ContainerHistoryData.newInstance(
+                  containerId, null, null, null, Long.MIN_VALUE,
+                  Long.MAX_VALUE, null, null, Integer.MAX_VALUE, null);
+              historyDataMap.put(containerId, historyData);
+            }
+            if (entry.key.suffix.equals(START_DATA_SUFFIX)) {
+              mergeContainerHistoryData(historyData,
+                  parseContainerStartData(entry.value));
+            } else if (entry.key.suffix.equals(FINISH_DATA_SUFFIX)) {
+              mergeContainerHistoryData(historyData,
+                  parseContainerFinishData(entry.value));
+            }
           }
         }
       }
@@ -416,43 +403,9 @@ public class FileSystemApplicationHistor
     } finally {
       hfReader.close();
     }
-    for (Map.Entry<ContainerId, StartFinishDataPair<ContainerStartData, ContainerFinishData>>
entry : startFinshDataMap
-      .entrySet()) {
-      ContainerHistoryData historyData =
-          ContainerHistoryData
-            .newInstance(entry.getKey(), null, null, null, Long.MIN_VALUE,
-              Long.MAX_VALUE, null, null, Integer.MAX_VALUE, null);
-      mergeContainerHistoryData(historyData, entry.getValue().startData);
-      mergeContainerHistoryData(historyData, entry.getValue().finishData);
-      historyDataMap.put(entry.getKey(), historyData);
-    }
     return historyDataMap;
   }
 
-  private
-      void
-      retrieveStartFinishData(
-          ApplicationAttemptId appAttemptId,
-          HistoryFileReader.Entry entry,
-          Map<ContainerId, StartFinishDataPair<ContainerStartData, ContainerFinishData>>
startFinshDataMap,
-          boolean start) throws IOException {
-    ContainerId containerId = ConverterUtils.toContainerId(entry.key.id);
-    if (containerId.getApplicationAttemptId().equals(appAttemptId)) {
-      StartFinishDataPair<ContainerStartData, ContainerFinishData> pair =
-          startFinshDataMap.get(containerId);
-      if (pair == null) {
-        pair =
-            new StartFinishDataPair<ContainerStartData, ContainerFinishData>();
-        startFinshDataMap.put(containerId, pair);
-      }
-      if (start) {
-        pair.startData = parseContainerStartData(entry.value);
-      } else {
-        pair.finishData = parseContainerFinishData(entry.value);
-      }
-    }
-  }
-
   @Override
   public void applicationStarted(ApplicationStartData appStart)
       throws IOException {
@@ -828,14 +781,5 @@ public class FileSystemApplicationHistor
       id = in.readUTF();
       suffix = in.readUTF();
     }
-
   }
-
-  private static class StartFinishDataPair<S, F> {
-
-    private S startData;
-    private F finishData;
-
-  }
-
 }

Modified: hadoop/common/trunk/hadoop-yarn-project/hadoop-yarn/hadoop-yarn-server/hadoop-yarn-server-applicationhistoryservice/src/test/java/org/apache/hadoop/yarn/server/applicationhistoryservice/TestFileSystemApplicationHistoryStore.java
URL: http://svn.apache.org/viewvc/hadoop/common/trunk/hadoop-yarn-project/hadoop-yarn/hadoop-yarn-server/hadoop-yarn-server-applicationhistoryservice/src/test/java/org/apache/hadoop/yarn/server/applicationhistoryservice/TestFileSystemApplicationHistoryStore.java?rev=1567816&r1=1567815&r2=1567816&view=diff
==============================================================================
--- hadoop/common/trunk/hadoop-yarn-project/hadoop-yarn/hadoop-yarn-server/hadoop-yarn-server-applicationhistoryservice/src/test/java/org/apache/hadoop/yarn/server/applicationhistoryservice/TestFileSystemApplicationHistoryStore.java
(original)
+++ hadoop/common/trunk/hadoop-yarn-project/hadoop-yarn/hadoop-yarn-server/hadoop-yarn-server-applicationhistoryservice/src/test/java/org/apache/hadoop/yarn/server/applicationhistoryservice/TestFileSystemApplicationHistoryStore.java
Thu Feb 13 00:08:47 2014
@@ -72,6 +72,12 @@ public class TestFileSystemApplicationHi
   }
 
   private void testWriteHistoryData(int num) throws IOException {
+    testWriteHistoryData(num, false, false);
+  }
+  
+  private void testWriteHistoryData(
+      int num, boolean missingContainer, boolean missingApplicationAttempt)
+          throws IOException {
     // write application history data
     for (int i = 1; i <= num; ++i) {
       ApplicationId appId = ApplicationId.newInstance(0, i);
@@ -83,21 +89,31 @@ public class TestFileSystemApplicationHi
             ApplicationAttemptId.newInstance(appId, j);
         writeApplicationAttemptStartData(appAttemptId);
 
+        if (missingApplicationAttempt && j == num) {
+          continue;
+        }
         // write container history data
         for (int k = 1; k <= num; ++k) {
           ContainerId containerId = ContainerId.newInstance(appAttemptId, k);
           writeContainerStartData(containerId);
+          if (missingContainer && k == num) {
+            continue;
+          }
           writeContainerFinishData(containerId);
-
-          writeApplicationAttemptFinishData(appAttemptId);
         }
+        writeApplicationAttemptFinishData(appAttemptId);
       }
-
       writeApplicationFinishData(appId);
     }
   }
 
   private void testReadHistoryData(int num) throws IOException {
+    testReadHistoryData(num, false, false);
+  }
+  
+  private void testReadHistoryData(
+      int num, boolean missingContainer, boolean missingApplicationAttempt)
+          throws IOException {
     // read application history data
     Assert.assertEquals(num, store.getAllApplications().size());
     for (int i = 1; i <= num; ++i) {
@@ -116,8 +132,14 @@ public class TestFileSystemApplicationHi
             store.getApplicationAttempt(appAttemptId);
         Assert.assertNotNull(attemptData);
         Assert.assertEquals(appAttemptId.toString(), attemptData.getHost());
-        Assert.assertEquals(appAttemptId.toString(),
-          attemptData.getDiagnosticsInfo());
+        
+        if (missingApplicationAttempt && j == num) {
+          Assert.assertNull(attemptData.getDiagnosticsInfo());
+          continue;
+        } else {
+          Assert.assertEquals(appAttemptId.toString(),
+              attemptData.getDiagnosticsInfo());
+        }
 
         // read container history data
         Assert.assertEquals(num, store.getContainers(appAttemptId).size());
@@ -127,8 +149,12 @@ public class TestFileSystemApplicationHi
           Assert.assertNotNull(containerData);
           Assert.assertEquals(Priority.newInstance(containerId.getId()),
             containerData.getPriority());
-          Assert.assertEquals(containerId.toString(),
-            containerData.getDiagnosticsInfo());
+          if (missingContainer && k == num) {
+            Assert.assertNull(containerData.getDiagnosticsInfo());
+          } else {
+            Assert.assertEquals(containerId.toString(),
+                containerData.getDiagnosticsInfo());
+          }
         }
         ContainerHistoryData masterContainer =
             store.getAMContainer(appAttemptId);
@@ -193,4 +219,15 @@ public class TestFileSystemApplicationHi
     Assert.assertTrue((usedDiskAfter - usedDiskBefore) < 20);
   }
 
+  @Test
+  public void testMissingContainerHistoryData() throws IOException {
+    testWriteHistoryData(3, true, false);
+    testReadHistoryData(3, true, false);
+  }
+  
+  @Test
+  public void testMissingApplicationAttemptHistoryData() throws IOException {
+    testWriteHistoryData(3, false, true);
+    testReadHistoryData(3, false, true);
+  }
 }



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