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From "Ted Yu (JIRA)" <j...@apache.org>
Subject [jira] [Created] (HBASE-10767) Load balancer may interfere with tests in TestHBaseFsck
Date Mon, 17 Mar 2014 03:31:45 GMT
Ted Yu created HBASE-10767:
------------------------------

             Summary: Load balancer may interfere with tests in TestHBaseFsck
                 Key: HBASE-10767
                 URL: https://issues.apache.org/jira/browse/HBASE-10767
             Project: HBase
          Issue Type: Test
            Reporter: Ted Yu
            Assignee: Ted Yu


When analyzing test failure shown in https://builds.apache.org/job/HBase-TRUNK/5018/testReport/org.apache.hadoop.hbase.util/TestHBaseFsck/testHbckThreadpooling/
, I saw the following events:
{code}
2014-03-16 04:02:05,721 INFO  [juno.apache.org,41286,1394942220308-BalancerChore] master.HMaster(1490):
balance hri=NoHdfsTable,,1394942287079.                             f66b7b32c7bfed7cc8637ee9b033ef14.,
src=juno.apache.org,37923,1394942221817, dest=juno.apache.org,57897,1394942221876
2014-03-16 04:02:05,721 DEBUG [juno.apache.org,41286,1394942220308-BalancerChore] master.AssignmentManager(2239):
Starting unassign of NoHdfsTable,,1394942287079.          f66b7b32c7bfed7cc8637ee9b033ef14.
(offlining), current state: {f66b7b32c7bfed7cc8637ee9b033ef14 state=OPEN, ts=1394942287774,
server=juno.apache.org,37923,1394942221817}
...
2014-03-16 04:02:05,742 DEBUG [juno.apache.org,41286,1394942220308-BalancerChore] master.AssignmentManager(1704):
Offline NoHdfsTable,,1394942287079.f66b7b32c7bfed7cc8637ee9b033ef14., it's not any more on
juno.apache.org,37923,1394942221817
org.apache.hadoop.hbase.NotServingRegionException: org.apache.hadoop.hbase.NotServingRegionException:
The region f66b7b32c7bfed7cc8637ee9b033ef14 is not online, and is not opening.
	at org.apache.hadoop.hbase.regionserver.HRegionServer.closeRegion(HRegionServer.java:2617)
	at org.apache.hadoop.hbase.regionserver.HRegionServer.closeRegion(HRegionServer.java:3796)
...
2014-03-16 04:02:05,754 DEBUG [juno.apache.org,41286,1394942220308-BalancerChore] master.AssignmentManager(2191):
No previous transition plan found (or ignoring an existing plan) for NoHdfsTable,,1394942287079.f66b7b32c7bfed7cc8637ee9b033ef14.;
generated random plan=hri=NoHdfsTable,,1394942287079.f66b7b32c7bfed7cc8637ee9b033ef14., src=,
dest=juno.apache.org,57897,1394942221876; 3 (online=3, available=3) available servers, forceNewPlan=false
...
2014-03-16 04:02:05,786 DEBUG [RS_OPEN_REGION-juno:57897-0] regionserver.HRegion(4402): Opening
region: {ENCODED => f66b7b32c7bfed7cc8637ee9b033ef14, NAME => 'NoHdfsTable,,1394942287079.f66b7b32c7bfed7cc8637ee9b033ef14.',
STARTKEY => '', ENDKEY => 'A'}
...
2014-03-16 04:02:05,787 DEBUG [RS_OPEN_REGION-juno:57897-0] regionserver.HRegion(563): Instantiated
NoHdfsTable,,1394942287079.f66b7b32c7bfed7cc8637ee9b033ef14.
...
2014-03-16 04:02:06,862 DEBUG [pool-1-thread-1] util.HBaseFsck(1452): Loading region dirs
from hdfs://localhost:48141/user/jenkins/hbase/data/default/NoHdfsTable
{code}



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