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YARN-4773. Log aggregation performs extraneous filesystem operations when rolling log aggregation is disabled. Contributed by Jun Gong

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This commit is contained in:
Jason Lowe 2016-03-28 23:00:56 +00:00
parent 8bfaa80037
commit 948b758070
2 changed files with 17 additions and 9 deletions
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14
hadoop-yarn-project/hadoop-yarn/hadoop-yarn-server/hadoop-yarn-server-nodemanager/src/main/java/org/apache/hadoop/yarn/server/nodemanager/containermanager/logaggregation/AppLogAggregatorImpl.java
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@ -124,11 +124,11 @@ public class AppLogAggregatorImpl implements AppLogAggregator {
private final long rollingMonitorInterval;
private final boolean logAggregationInRolling;
private final NodeId nodeId;
// This variable is only for testing
private final AtomicBoolean waiting = new AtomicBoolean(false);
// This variable is only for testing
// These variables are only for testing
private final AtomicBoolean waiting = new AtomicBoolean(false);
private int logAggregationTimes = 0;
private int cleanupOldLogTimes = 0;
private boolean renameTemporaryLogFileFailed = false;
@ -365,8 +365,9 @@ private void uploadLogsForContainers(boolean appFinished) {
// Before upload logs, make sure the number of existing logs
// is smaller than the configured NM log aggregation retention size.
if (uploadedLogsInThisCycle) {
if (uploadedLogsInThisCycle && logAggregationInRolling) {
cleanOldLogs();
cleanupOldLogTimes++;
}
if (writer != null) {
@ -689,4 +690,9 @@ public UserGroupInformation getUgi() {
public int getLogAggregationTimes() {
return this.logAggregationTimes;
}
@VisibleForTesting
int getCleanupOldLogTimes() {
return this.cleanupOldLogTimes;
}
}

12
hadoop-yarn-project/hadoop-yarn/hadoop-yarn-server/hadoop-yarn-server-nodemanager/src/test/java/org/apache/hadoop/yarn/server/nodemanager/containermanager/logaggregation/TestLogAggregationService.java
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@ -2276,7 +2276,7 @@ public void testSkipUnnecessaryNNOperationsForShortJob() throws Exception {
Records.newRecord(LogAggregationContext.class);
logAggregationContext.setLogAggregationPolicyClassName(
FailedOrKilledContainerLogAggregationPolicy.class.getName());
verifySkipUnnecessaryNNOperations(logAggregationContext, 0, 2);
verifySkipUnnecessaryNNOperations(logAggregationContext, 0, 2, 0);
}
@Test (timeout = 20000)
@ -2290,13 +2290,13 @@ public void testSkipUnnecessaryNNOperationsForService() throws Exception {
AMOnlyLogAggregationPolicy.class.getName());
contextWithAMOnly.setRolledLogsIncludePattern("sys*");
contextWithAMOnly.setRolledLogsExcludePattern("std_final");
verifySkipUnnecessaryNNOperations(contextWithAMOnly, 1, 4);
verifySkipUnnecessaryNNOperations(contextWithAMOnly, 1, 4, 1);
}
private void verifySkipUnnecessaryNNOperations(
LogAggregationContext logAggregationContext,
int expectedLogAggregationTimes, int expectedAggregationReportNum)
throws Exception {
int expectedLogAggregationTimes, int expectedAggregationReportNum,
int expectedCleanupOldLogsTimes) throws Exception {
LogAggregationService logAggregationService = new LogAggregationService(
dispatcher, this.context, this.delSrvc, super.dirsHandler);
logAggregationService.init(this.conf);
@ -2307,7 +2307,7 @@ private void verifySkipUnnecessaryNNOperations(
null, this.acls, logAggregationContext));
// Container finishes
String[] logFiles = new String[] { "stdout" };
String[] logFiles = new String[] { "sysout" };
finishContainer(appId, logAggregationService,
ContainerType.APPLICATION_MASTER, 1, 0, logFiles);
AppLogAggregatorImpl aggregator =
@ -2327,6 +2327,8 @@ private void verifySkipUnnecessaryNNOperations(
aggregator.getLogAggregationTimes());
assertEquals(expectedAggregationReportNum,
this.context.getLogAggregationStatusForApps().size());
assertEquals(expectedCleanupOldLogsTimes,
aggregator.getCleanupOldLogTimes());
}
private int numOfLogsAvailable(LogAggregationService logAggregationService,