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Posted to issues@hbase.apache.org by "Lars Hofhansl (JIRA)" <ji...@apache.org> on 2015/04/18 07:50:59 UTC

[jira] [Commented] (HBASE-13488) regionserver make lots of CLOSE_WAIT connection to dn

    [ https://issues.apache.org/jira/browse/HBASE-13488?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=14501120#comment-14501120 ] 

Lars Hofhansl commented on HBASE-13488:
---------------------------------------

Related to socket caching in the DFS client?

> regionserver make lots of CLOSE_WAIT connection to dn
> -----------------------------------------------------
>
>                 Key: HBASE-13488
>                 URL: https://issues.apache.org/jira/browse/HBASE-13488
>             Project: HBase
>          Issue Type: Bug
>          Components: hadoop2
>    Affects Versions: 0.98.1
>         Environment: CentOS release 6.4 (Final)
> hadoop-2.3.0
>            Reporter: dirk.zhang
>            Assignee: dirk.zhang
>             Fix For: 0.98.1
>
>
> when start hbase，regionserver make a lot sockets with CLOSE_WAIT connected datanode,the default port is 50010
> I guest the datanode is closed or went away,but RS doesn't close
> I have tried the issue HDFS-5671 ,  HBASE-11142 , HBASE-9393,but no help,and I use hadoop-2.3.0



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