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From "Hadoop QA (Commented) (JIRA)" <j...@apache.org>
Subject [jira] [Commented] (HDFS-2494) [webhdfs] When Getting the file using OP=OPEN with DN http address, ESTABLISHED sockets are growing.
Date Tue, 25 Oct 2011 23:24:32 GMT

    [ https://issues.apache.org/jira/browse/HDFS-2494?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=13135549#comment-13135549
] 

Hadoop QA commented on HDFS-2494:
---------------------------------

-1 overall.  Here are the results of testing the latest attachment 
  http://issues.apache.org/jira/secure/attachment/12500598/HDFS-2494.patch
  against trunk revision .

    +1 @author.  The patch does not contain any @author tags.

    -1 tests included.  The patch doesn't appear to include any new or modified tests.
                        Please justify why no new tests are needed for this patch.
                        Also please list what manual steps were performed to verify this patch.

    +1 javadoc.  The javadoc tool did not generate any warning messages.

    +1 javac.  The applied patch does not increase the total number of javac compiler warnings.

    +1 findbugs.  The patch does not introduce any new Findbugs (version 1.3.9) warnings.

    +1 release audit.  The applied patch does not increase the total number of release audit
warnings.

    -1 core tests.  The patch failed these unit tests:
                  org.apache.hadoop.hdfs.TestFileAppend2
                  org.apache.hadoop.hdfs.TestBalancerBandwidth

    +1 contrib tests.  The patch passed contrib unit tests.

Test results: https://builds.apache.org/job/PreCommit-HDFS-Build/1443//testReport/
Console output: https://builds.apache.org/job/PreCommit-HDFS-Build/1443//console

This message is automatically generated.
                
> [webhdfs] When Getting the file using OP=OPEN with DN http address, ESTABLISHED sockets
are growing.
> ----------------------------------------------------------------------------------------------------
>
>                 Key: HDFS-2494
>                 URL: https://issues.apache.org/jira/browse/HDFS-2494
>             Project: Hadoop HDFS
>          Issue Type: Sub-task
>          Components: data-node
>    Affects Versions: 0.20.205.0, 0.23.0, 0.24.0
>            Reporter: Uma Maheswara Rao G
>            Assignee: Uma Maheswara Rao G
>         Attachments: HDFS-2494.patch, HDFS-2494.patch, h2494_20111024.patch, h2494_20111024b.patch
>
>
> As part of the reliable test,
> Scenario:
> Initially check the socket count. ---there are aroud 42 sockets are there.
> open the file with DataNode http address using op=OPEN request parameter about 500 times
in loop.
> Wait for some time and check the socket count. --- There are thousands of ESTABLISHED
sockets are growing. ~2052
> Here is the netstat result:
> C:\Users\uma>netstat | grep 127.0.0.1 | grep ESTABLISHED |wc -l
> 2042
> C:\Users\uma>netstat | grep 127.0.0.1 | grep ESTABLISHED |wc -l
> 2042
> C:\Users\uma>netstat | grep 127.0.0.1 | grep ESTABLISHED |wc -l
> 2042
> C:\Users\uma>netstat | grep 127.0.0.1 | grep ESTABLISHED |wc -l
> 2042
> C:\Users\uma>netstat | grep 127.0.0.1 | grep ESTABLISHED |wc -l
> 2042
> C:\Users\uma>netstat | grep 127.0.0.1 | grep ESTABLISHED |wc -l
> 2042
> C:\Users\uma>netstat | grep 127.0.0.1 | grep ESTABLISHED |wc -l
> 2042
> C:\Users\uma>netstat | grep 127.0.0.1 | grep ESTABLISHED |wc -l
> 2042
> C:\Users\uma>netstat | grep 127.0.0.1 | grep ESTABLISHED |wc -l
> 2042
> This count is not coming down.

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