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From "Zhihong Yu (Commented) (JIRA)" <j...@apache.org>
Subject [jira] [Commented] (HBASE-5673) The OOM problem of IPC client call cause all handle block
Date Fri, 30 Mar 2012 16:20:28 GMT

    [ https://issues.apache.org/jira/browse/HBASE-5673?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=13242495#comment-13242495

Zhihong Yu commented on HBASE-5673:

I saw the following in jstack when running TestMultiVersions:
"main" prio=10 tid=0x0000000040cc7800 nid=0x2b36 waiting on condition [0x00007fd703f95000]
   java.lang.Thread.State: TIMED_WAITING (sleeping)
	at java.lang.Thread.sleep(Native Method)
	at org.apache.hadoop.hbase.util.JVMClusterUtil.startup(JVMClusterUtil.java:211)
	at org.apache.hadoop.hbase.LocalHBaseCluster.startup(LocalHBaseCluster.java:424)
	at org.apache.hadoop.hbase.MiniHBaseCluster.init(MiniHBaseCluster.java:200)
	at org.apache.hadoop.hbase.MiniHBaseCluster.<init>(MiniHBaseCluster.java:80)
	at org.apache.hadoop.hbase.HBaseTestingUtility.startMiniHBaseCluster(HBaseTestingUtility.java:638)
	at org.apache.hadoop.hbase.TestMultiVersions.testGetRowVersions(TestMultiVersions.java:143)
> The OOM problem of IPC client call  cause all handle block
> ----------------------------------------------------------
>                 Key: HBASE-5673
>                 URL: https://issues.apache.org/jira/browse/HBASE-5673
>             Project: HBase
>          Issue Type: Bug
>    Affects Versions: 0.90.6
>         Environment: 0.90.6
>            Reporter: xufeng
>            Assignee: xufeng
>             Fix For: 0.90.7, 0.92.2, 0.94.1
>         Attachments: HBASE-5673-90-V2.patch, HBASE-5673-90.patch
> if HBaseClient meet "unable to create new native thread" exception, the call will never
complete because it be lost in calls queue.

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