[jira] Commented: (HADOOP-3071) DFSOutputStream does not close all the sockets

["Raghu Angadi (JIRA)" <ji...@apache.org>]

    [ https://issues.apache.org/jira/browse/HADOOP-3071?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=12581230#action_12581230 ] 

Raghu Angadi commented on HADOOP-3071:
--------------------------------------

This does not affect 0.16. Closing s.getOutputStream()  also closes the socket (not just the otherway round). o.a.h.SocketOutputStream() should do the same. But still I think patch is good as it is.. it cleans up the code a bit and closes the socket if connection fails inside createBlockOutputStream().


> DFSOutputStream does not close all the sockets
> ----------------------------------------------
>
>                 Key: HADOOP-3071
>                 URL: https://issues.apache.org/jira/browse/HADOOP-3071
>             Project: Hadoop Core
>          Issue Type: Bug
>    Affects Versions: 0.17.0
>            Reporter: Raghu Angadi
>            Assignee: Raghu Angadi
>             Fix For: 0.17.0
>
>         Attachments: HADOOP-3071.patch
>
>
> When DFSOutputStream writes to multiple blocks, it closes only the socket opened for the last block. When it is done with writing to one block it should close the socket.
> I noticed this when I was fixing HADOOP-3067. After fixing HADOOP-3067, there were still a lot of sockets open (but not enough to fail the tests). These sockets were used to write to blocks.

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