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From "Jimmy Xiang (JIRA)" <j...@apache.org>
Subject [jira] [Commented] (HBASE-10456) Balancer should not run if it's just turned off.
Date Mon, 03 Feb 2014 18:32:08 GMT

    [ https://issues.apache.org/jira/browse/HBASE-10456?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=13889721#comment-13889721
] 

Jimmy Xiang commented on HBASE-10456:
-------------------------------------

Here is the log:
{noformat}
2014-02-02 22:42:01,850 INFO  [RpcServer.handler=0,port=39732] master.HMaster(1547): Client=jenkins//172.29.121.237
set balanceSwitch=false
2014-02-02 22:42:01,857 INFO  [Thread-3540] zookeeper.RecoverableZooKeeper(120): Process identifier=hbase
Fsck connecting to ZooKeeper ensemble=localhost:55828
2014-02-02 22:42:01,900 DEBUG [Thread-3540-EventThread] zookeeper.ZooKeeperWatcher(310): hbase
Fsck, quorum=localhost:55828, baseZNode=/hbase Received ZooKeeper Event, type=None, state=SyncConnected,
path=null
2014-02-02 22:42:01,903 DEBUG [Thread-3540-EventThread] zookeeper.ZooKeeperWatcher(387): hbase
Fsck-0x143f676c5ca0267 connected
2014-02-02 22:42:01,916 INFO  [Thread-3540] util.HBaseFsck(431): Loading regionsinfo from
the hbase:meta table
2014-02-02 22:42:01,925 INFO  [Thread-3540] util.HBaseFsck(2521): getHTableDescriptors ==
tableNames => [hbase:namespace, tableBadMetaAssign]
2014-02-02 22:42:01,937 DEBUG [Thread-3540] util.HBaseFsck(1334): Loading region dirs from
hdfs://localhost.localdomain:53175/user/jenkins/hbase/data/default/tableBadMetaAssign
2014-02-02 22:42:01,938 DEBUG [Thread-3540] util.HBaseFsck(1334): Loading region dirs from
hdfs://localhost.localdomain:53175/user/jenkins/hbase/data/default/testMissingFirstRegion
2014-02-02 22:42:01,938 DEBUG [Thread-3540] util.HBaseFsck(1334): Loading region dirs from
hdfs://localhost.localdomain:53175/user/jenkins/hbase/data/hbase/meta
2014-02-02 22:42:01,938 DEBUG [Thread-3540] util.HBaseFsck(1334): Loading region dirs from
hdfs://localhost.localdomain:53175/user/jenkins/hbase/data/hbase/namespace
2014-02-02 22:42:02,125 INFO  [Thread-3540] zookeeper.RecoverableZooKeeper(120): Process identifier=hbase
Fsck connecting to ZooKeeper ensemble=localhost:55828
2014-02-02 22:42:02,241 DEBUG [pool-1-thread-1-EventThread] zookeeper.ZooKeeperWatcher(310):
master:39732-0x143f676c5ca0000, quorum=localhost:55828, baseZNode=/hbase Received ZooKeeper
Event, type=NodeChildrenChanged, state=SyncConnected, path=/hbase/region-in-transition
2014-02-02 22:42:02,407 DEBUG [Thread-3540-EventThread] zookeeper.ZooKeeperWatcher(310): hbase
Fsck, quorum=localhost:55828, baseZNode=/hbase Received ZooKeeper Event, type=None, state=SyncConnected,
path=null
2014-02-02 22:42:02,408 INFO  [p0117.mtv.cloudera.com,39732,1391409416331-BalancerChore] master.RegionStates(316):
Transitioned {4a1ce2972ae1f80d207500d1c60ddf51 state=OPEN, ts=1391409422614, server=p0117.mtv.cloudera.com,60376,1391409417115}
to {4a1ce2972ae1f80d207500d1c60ddf51 state=PENDING_CLOSE, ts=1391409722408, server=p0117.mtv.cloudera.com,60376,1391409417115}
2014-02-02 22:42:02,408 INFO  [Priority.RpcServer.handler=1,port=60376] regionserver.HRegionServer(3633):
Close 4a1ce2972ae1f80d207500d1c60ddf51, via zk=yes, znode version=0, on p0117.mtv.cloudera.com,35218,1391409416993
{noformat}

> Balancer should not run if it's just turned off.
> ------------------------------------------------
>
>                 Key: HBASE-10456
>                 URL: https://issues.apache.org/jira/browse/HBASE-10456
>             Project: HBase
>          Issue Type: Bug
>          Components: Balancer, hbck
>            Reporter: Jimmy Xiang
>            Assignee: Jimmy Xiang
>            Priority: Minor
>
> TestHBaseFsck failed recently because the balancer ran one more time even after it's
turned off.  Balancer should double-check if it is on before each run.



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