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YARN-5101. YARN_APPLICATION_UPDATED event is parsed in ApplicationHistoryManagerOnTimelineStore#convertToApplicationReport with reversed order. Contributed by Sunil G. 

(cherry picked from commit 4d2f380d78)
This commit is contained in:
Rohith Sharma K S 2016-10-06 18:16:48 +05:30
parent a4ee4f9e51
commit 319b101b7e
3 changed files with 21 additions and 9 deletions
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14
hadoop-yarn-project/hadoop-yarn/hadoop-yarn-server/hadoop-yarn-server-applicationhistoryservice/src/main/java/org/apache/hadoop/yarn/server/applicationhistoryservice/ApplicationHistoryManagerOnTimelineStore.java
View File

@ -351,6 +351,7 @@ public class ApplicationHistoryManagerOnTimelineStore extends AbstractService
}
}
List<TimelineEvent> events = entity.getEvents();
long updatedTimeStamp = 0L;
if (events != null) {
for (TimelineEvent event : events) {
if (event.getEventType().equals(
@ -358,9 +359,16 @@ public class ApplicationHistoryManagerOnTimelineStore extends AbstractService
createdTime = event.getTimestamp();
} else if (event.getEventType().equals(
ApplicationMetricsConstants.UPDATED_EVENT_TYPE)) {
// TODO: YARN-5101. This type of events are parsed in
// time-stamp descending order which means the previous event
// could override the information from the later same type of event.
// This type of events are parsed in time-stamp descending order
// which means the previous event could override the information
// from the later same type of event. Hence compare timestamp
// before over writing.
if (event.getTimestamp() > updatedTimeStamp) {
updatedTimeStamp = event.getTimestamp();
} else {
continue;
}
Map<String, Object> eventInfo = event.getEventInfo();
if (eventInfo == null) {
continue;

14
hadoop-yarn-project/hadoop-yarn/hadoop-yarn-server/hadoop-yarn-server-applicationhistoryservice/src/test/java/org/apache/hadoop/yarn/server/applicationhistoryservice/TestApplicationHistoryManagerOnTimelineStore.java
View File

@ -538,23 +538,27 @@ public class TestApplicationHistoryManagerOnTimelineStore {
entity.addEvent(tEvent);
if (enableUpdateEvent) {
tEvent = new TimelineEvent();
createAppModifiedEvent(appId, tEvent, "changed queue", 5);
long updatedTimeIndex = 4L;
createAppModifiedEvent(appId, tEvent, updatedTimeIndex++, "changed queue",
5);
entity.addEvent(tEvent);
// Change priority alone
tEvent = new TimelineEvent();
createAppModifiedEvent(appId, tEvent, "changed queue", 6);
createAppModifiedEvent(appId, tEvent, updatedTimeIndex++, "changed queue",
6);
// Now change queue
tEvent = new TimelineEvent();
createAppModifiedEvent(appId, tEvent, "changed queue1", 6);
createAppModifiedEvent(appId, tEvent, updatedTimeIndex++,
"changed queue1", 6);
entity.addEvent(tEvent);
}
return entity;
}
private static void createAppModifiedEvent(ApplicationId appId,
TimelineEvent tEvent, String queue, int priority) {
TimelineEvent tEvent, long updatedTimeIndex, String queue, int priority) {
tEvent.setEventType(ApplicationMetricsConstants.UPDATED_EVENT_TYPE);
tEvent.setTimestamp(Integer.MAX_VALUE + 4L + appId.getId());
tEvent.setTimestamp(Integer.MAX_VALUE + updatedTimeIndex + appId.getId());
Map<String, Object> eventInfo = new HashMap<String, Object>();
eventInfo.put(ApplicationMetricsConstants.QUEUE_ENTITY_INFO, queue);
eventInfo.put(ApplicationMetricsConstants.APPLICATION_PRIORITY_INFO,

2
hadoop-yarn-project/hadoop-yarn/hadoop-yarn-server/hadoop-yarn-server-resourcemanager/src/main/java/org/apache/hadoop/yarn/server/resourcemanager/rmapp/RMAppImpl.java
View File

@ -950,7 +950,7 @@ public class RMAppImpl implements RMApp, Recoverable {
}
app.rmContext.getSystemMetricsPublisher().appUpdated(app,
System.currentTimeMillis());
app.systemClock.getTime());
// TODO: Write out change to state store (YARN-1558)
// Also take care of RM failover