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https://issues.apache.org/jira/browse/HBASE-9743?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=13792580#comment-13792580
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Hudson commented on HBASE-9743:
-------------------------------
SUCCESS: Integrated in HBase-TRUNK-on-Hadoop-2.0.0 #788 (See
[https://builds.apache.org/job/HBase-TRUNK-on-Hadoop-2.0.0/788/])
HBASE-9743 RollingBatchRestartRsAction aborts if timeout (stack: rev 1531150)
*
/hbase/trunk/hbase-it/src/test/java/org/apache/hadoop/hbase/chaos/actions/RollingBatchRestartRsAction.java
> RollingBatchRestartRsAction aborts if timeout
> ---------------------------------------------
>
> Key: HBASE-9743
> URL: https://issues.apache.org/jira/browse/HBASE-9743
> Project: HBase
> Issue Type: Bug
> Components: test
> Reporter: stack
> Assignee: stack
> Fix For: 0.98.0, 0.96.0
>
> Attachments: 9743.txt, 9743v2.txt
>
>
> In our test rigs, we see following quiet frequently:
> {code}
> 2013-10-10 05:04:09,367 INFO [Thread-6] actions.Action: Killing region
> server:a1809.halxg.cloudera.com,60020,1381404629253
> 2013-10-10 05:04:09,367 INFO [Thread-6] hbase.HBaseCluster: Aborting RS:
> a1809.halxg.cloudera.com,60020,1381404629253
> 2013-10-10 05:04:09,367 INFO [Thread-6] hbase.ClusterManager: Executing
> remote command: ps aux | grep proc_regionserver | grep -v grep | tr -s ' ' |
> cut -d ' ' -f2 | xargs kill -s SIGKILL , hostname:a1809.halxg.cloudera.com
> 2013-10-10 05:04:09,367 INFO [Thread-6] util.Shell: Executing full command
> [/usr/bin/ssh -o ConnectTimeout=1 -o StrictHostKeyChecking=no
> a1809.halxg.cloudera.com "ps aux | grep proc_regionserver | grep -v grep | tr
> -s ' ' | cut -d ' ' -f2 | xargs kill -s SIGKILL"]
> 2013-10-10 05:04:09,621 DEBUG [Thread-5] client.HBaseAdmin: Getting current
> status of snapshot from master...
> 2013-10-10 05:04:09,623 DEBUG [Thread-5] client.HBaseAdmin: (#6) Sleeping:
> 1714ms while waiting for snapshot completion.
> 2013-10-10 05:04:10,381 WARN [Thread-6] policies.Policy: Exception occured
> during performing action: org.apache.hadoop.util.Shell$ExitCodeException:
> Connection timed out during banner exchange
> at org.apache.hadoop.util.Shell.runCommand(Shell.java:458)
> at org.apache.hadoop.util.Shell.run(Shell.java:373)
> at
> org.apache.hadoop.util.Shell$ShellCommandExecutor.execute(Shell.java:578)
> at
> org.apache.hadoop.hbase.HBaseClusterManager$RemoteShell.execute(HBaseClusterManager.java:111)
> at
> org.apache.hadoop.hbase.HBaseClusterManager.exec(HBaseClusterManager.java:187)
> at
> org.apache.hadoop.hbase.HBaseClusterManager.signal(HBaseClusterManager.java:216)
> at org.apache.hadoop.hbase.ClusterManager.kill(ClusterManager.java:97)
> at
> org.apache.hadoop.hbase.DistributedHBaseCluster.killRegionServer(DistributedHBaseCluster.java:110)
> at org.apache.hadoop.hbase.chaos.actions.Action.killRs(Action.java:84)
> at
> org.apache.hadoop.hbase.chaos.actions.RollingBatchRestartRsAction.perform(RollingBatchRestartRsAction.java:60)
> at
> org.apache.hadoop.hbase.chaos.policies.PeriodicRandomActionPolicy.runOneIteration(PeriodicRandomActionPolicy.java:59)
> at
> org.apache.hadoop.hbase.chaos.policies.PeriodicPolicy.run(PeriodicPolicy.java:41)
> at
> org.apache.hadoop.hbase.chaos.policies.CompositeSequentialPolicy.run(CompositeSequentialPolicy.java:42)
> at java.lang.Thread.run(Thread.java:724)
> ...
> {code}
> So, we went to kill a RS and we timed out. Server was busy at the time. We
> see the kill usually going through.
> When above happens in a RollingBatchRestartRsAction, we'll usually 'lose' a
> server for the rest of the test. That is at a minimum. We've also seen case
> where we kill near all servers in cluster and then the above timeout happens
> and we are left w/ a test limping along running real slow eventually failing.
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