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YARN-9821. NM hangs at serviceStop when ATSV2 Backend Hbase is Down. Contributed by Prabhu Joseph.

This commit is contained in:
Abhishek Modi 2019-09-09 14:26:00 +05:30
parent 387c332b64
commit 60af8793b4
1 changed files with 42 additions and 32 deletions
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10
hadoop-yarn-project/hadoop-yarn/hadoop-yarn-server/hadoop-yarn-server-timelineservice-hbase/hadoop-yarn-server-timelineservice-hbase-client/src/main/java/org/apache/hadoop/yarn/server/timelineservice/storage/HBaseTimelineWriterImpl.java
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@ -630,6 +630,15 @@ public class HBaseTimelineWriterImpl extends AbstractService implements
*/
@Override
protected void serviceStop() throws Exception {
boolean isStorageUp = true;
try {
storageMonitor.checkStorageIsUp();
} catch (IOException e) {
LOG.warn("Failed to close the timeline tables as Hbase is down", e);
isStorageUp = false;
}
if (isStorageUp) {
if (entityTable != null) {
LOG.info("closing the entity table");
// The close API performs flushing and releases any resources held
@ -664,6 +673,7 @@ public class HBaseTimelineWriterImpl extends AbstractService implements
LOG.info("closing the hbase Connection");
conn.close();
}
}
storageMonitor.stop();
super.serviceStop();
}