2013-01-25 8 views
5

Ich bin Mohanselvakumar und bin neu auf dem Hbase-System, um mich auf dem folgenden mit einem meiner hbase-Server zu helfen.Hbase Region Server Shutdown

Das Szenario ist ich habe 10 Knoten Cluster mit 2 Name Node (eine primäre und eine sekundäre) eingerichtet.

Und auf den 10 Knoten, läuft auf allen Knoten Datanode sowie Regionserver-Dienst.

Jetzt ist das Problem außerhalb der 10 Knoten, einer der Knoten geht kontinuierlich wegen der folgenden Ausnahme unter;

Frequent Error No:01 

2013-01-25 12:10:51,918 FATAL org.apache.hadoop.hbase.regionserver.HRegionServer: ABORTING region server serverName=DC1AuthDFSC1D1.cidr.gov.in,6020,1359093222948, load=(requests=10, regions=876, usedHeap=1925, maxHeap=11897): regionserver:6020-0x3c13d364d92db2-0x3c13d364d92db2 regionserver:6020-0x3c13d364d92db2-0x3c13d364d92db2 received expired from ZooKeeper, aborting 
org.apache.zookeeper.KeeperException$SessionExpiredException: KeeperErrorCode = Session expired 
    at org.apache.hadoop.hbase.zookeeper.ZooKeeperWatcher.connectionEvent(ZooKeeperWatcher.java:328) 
    at org.apache.hadoop.hbase.zookeeper.ZooKeeperWatcher.process(ZooKeeperWatcher.java:246) 
    at org.apache.zookeeper.ClientCnxn$EventThread.processEvent(ClientCnxn.java:530) 
    at org.apache.zookeeper.ClientCnxn$EventThread.run(ClientCnxn.java:506) 
2013-01-25 12:10:51,931 INFO org.apache.hadoop.hbase.regionserver.HRegionServer: Dump of metrics: request=0.0, regions=876, stores=992, storefiles=2380, storefileIndexSize=769, memstoreSize=19, compactionQueueSize=0, flushQueueSize=0, usedHeap=2043, maxHeap=11897, blockCacheSize=808359784, blockCacheFree=1686753176, blockCacheCount=11005, blockCacheHitCount=80692, blockCacheMissCount=149039, blockCacheEvictedCount=0, blockCacheHitRatio=35, blockCacheHitCachingRatio=87 
2013-01-25 12:10:51,931 INFO org.apache.hadoop.hbase.regionserver.HRegionServer: STOPPED: regionserver:6020-0x3c13d364d92db2-0x3c13d364d92db2 regionserver:6020-0x3c13d364d92db2-0x3c13d364d92db2 received expired from ZooKeeper, aborting 
2013-01-25 12:10:51,932 INFO org.apache.zookeeper.ClientCnxn: EventThread shut down 
2013-01-25 12:10:54,703 INFO org.apache.hadoop.hbase.regionserver.LogRoller: LogRoller exiting. 
2013-01-25 12:10:58,660 INFO org.apache.hadoop.hbase.regionserver.CompactSplitThread: regionserver6020.compactor exiting 
2013-01-25 12:11:00,866 INFO org.apache.hadoop.hbase.regionserver.MemStoreFlusher: regionserver6020.cacheFlusher exiting 
2013-01-25 12:11:02,647 INFO org.apache.hadoop.ipc.HBaseServer: Stopping server on 6020 
2013-01-25 12:11:02,648 INFO org.apache.hadoop.ipc.HBaseServer: IPC Server handler 0 on 6020: exiting 
2013-01-25 12:11:02,648 INFO org.apache.hadoop.ipc.HBaseServer: PRI IPC Server handler 5 on 6020: exiting 
2013-01-25 12:11:02,648 INFO org.apache.hadoop.ipc.HBaseServer: PRI IPC Server handler 3 on 6020: exiting 
2013-01-25 12:11:02,648 INFO org.apache.hadoop.ipc.HBaseServer: Stopping IPC Server listener on 6020 
2013-01-25 12:11:02,648 INFO org.apache.hadoop.ipc.HBaseServer: IPC Server handler 7 on 6020: exiting 
2013-01-25 12:11:02,648 INFO org.apache.hadoop.ipc.HBaseServer: PRI IPC Server handler 6 on 6020: exiting 
2013-01-25 12:11:02,648 INFO org.apache.hadoop.ipc.HBaseServer: IPC Server handler 5 on 6020: exiting 
2013-01-25 12:11:02,648 INFO org.apache.hadoop.ipc.HBaseServer: Stopping IPC Server Responder 
2013-01-25 12:11:02,649 INFO org.apache.hadoop.ipc.HBaseServer: IPC Server handler 3 on 6020: exiting 
2013-01-25 12:11:02,649 INFO org.apache.hadoop.ipc.HBaseServer: PRI IPC Server handler 0 on 6020: exiting 

Frequent Error No:02 

    2013-01-25 12:11:19,106 INFO org.apache.hadoop.hbase.regionserver.Leases: regionserver6020 closing leases 
    2013-01-25 12:11:19,106 INFO org.apache.hadoop.hbase.regionserver.Leases: regionserver6020 closed leases 
    2013-01-25 12:11:19,136 INFO org.apache.hadoop.hbase.client.HConnectionManager$HConnectionImplementation: Closed zookeeper sessionid=0x13c13d323792d99 
    2013-01-25 12:11:19,138 INFO org.apache.zookeeper.ZooKeeper: Session: 0x13c13d323792d99 closed 
    2013-01-25 12:11:19,138 INFO org.apache.zookeeper.ClientCnxn: EventThread shut down 
    2013-01-25 12:11:19,143 INFO org.apache.hadoop.hbase.regionserver.HRegionServer: regionserver6020 exiting 
    2013-01-25 12:11:19,152 INFO org.apache.hadoop.hbase.regionserver.ShutdownHook: Shutdown hook starting; hbase.shutdown.hook=true; fsShutdownHook=Thread[Thread-14,5,main] 
    2013-01-25 12:11:19,152 INFO org.apache.hadoop.hbase.regionserver.HRegionServer: STOPPED: Shutdown hook 
    2013-01-25 12:11:19,152 INFO org.apache.hadoop.hbase.regionserver.ShutdownHook: Starting fs shutdown hook thread. 
    2013-01-25 12:11:19,153 ERROR org.apache.hadoop.hdfs.DFSClient: Exception closing file 
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Hilfe auf die obige Abfrage geschätzt hinzuzufügen !!! – Mskumar

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Hinzufügen von mehr Protokollen hier; – Mskumar

Antwort

3

Zookeeper Ablauf kann aufgrund der geringen Speicher passieren GCs auf dem Knoten, die zu lang sind usw. Abschnitt 12.9.2.7 here sehen.

1

Sie können Session-Timeout in Ihrem hbase-site.xml wie diese

 <property> 
     <name>zookeeper.session.timeout</name> 
     <value>60000</value> 
     </property> 

Hopping dieser Hilfe