我是Mohanselvakumar并且是Hbase系统的新手,请求用我的一个hbase服务器帮助我.
方案是我已经建立了10个具有2个名称节点的节点集群(一个主节点和一个辅助节点).
在10个节点上,我在所有节点上运行Datanode以及Regionserver服务.
现在问题出在10节点之外,由于以下异常,其中一个节点不断下降;
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: …Run Code Online (Sandbox Code Playgroud)