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