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https://issues.apache.org/jira/browse/HDFS-2494?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=13136601#comment-13136601
]
Hudson commented on HDFS-2494:
------------------------------
Integrated in Hadoop-Mapreduce-0.23-Commit #62 (See
[https://builds.apache.org/job/Hadoop-Mapreduce-0.23-Commit/62/])
svn merge -c 1189360 from trunk for HDFS-2494.
szetszwo :
http://svn.apache.org/viewcvs.cgi/?root=Apache-SVN&view=rev&rev=1189520
Files :
* /hadoop/common/branches/branch-0.23/hadoop-hdfs-project/hadoop-hdfs
*
/hadoop/common/branches/branch-0.23/hadoop-hdfs-project/hadoop-hdfs/CHANGES.txt
*
/hadoop/common/branches/branch-0.23/hadoop-hdfs-project/hadoop-hdfs/src/main/java
*
/hadoop/common/branches/branch-0.23/hadoop-hdfs-project/hadoop-hdfs/src/main/java/org/apache/hadoop/hdfs/server/datanode/web/resources/DatanodeWebHdfsMethods.java
> [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
> Fix For: 0.20.205.1, 0.20.206.0, 0.23.0, 0.24.0
>
> Attachments: HDFS-2494-20.205Security.patch, 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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