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https://issues.apache.org/jira/browse/HDFS-3373?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=13463865#comment-13463865
]
Hudson commented on HDFS-3373:
------------------------------
Integrated in Hadoop-Common-trunk-Commit #2775 (See
[https://builds.apache.org/job/Hadoop-Common-trunk-Commit/2775/])
HDFS-3373. Change DFSClient input stream socket cache to global static and
add a thread to cleanup expired cache entries. Contributed by John George
(Revision 1390466)
Result = SUCCESS
szetszwo :
http://svn.apache.org/viewcvs.cgi/?root=Apache-SVN&view=rev&rev=1390466
Files :
* /hadoop/common/trunk/hadoop-hdfs-project/hadoop-hdfs/CHANGES.txt
*
/hadoop/common/trunk/hadoop-hdfs-project/hadoop-hdfs/src/main/java/org/apache/hadoop/hdfs/DFSClient.java
*
/hadoop/common/trunk/hadoop-hdfs-project/hadoop-hdfs/src/main/java/org/apache/hadoop/hdfs/DFSConfigKeys.java
*
/hadoop/common/trunk/hadoop-hdfs-project/hadoop-hdfs/src/main/java/org/apache/hadoop/hdfs/SocketCache.java
*
/hadoop/common/trunk/hadoop-hdfs-project/hadoop-hdfs/src/test/java/org/apache/hadoop/hdfs/TestConnCache.java
*
/hadoop/common/trunk/hadoop-hdfs-project/hadoop-hdfs/src/test/java/org/apache/hadoop/hdfs/TestDistributedFileSystem.java
*
/hadoop/common/trunk/hadoop-hdfs-project/hadoop-hdfs/src/test/java/org/apache/hadoop/hdfs/TestSocketCache.java
> FileContext HDFS implementation can leak socket caches
> ------------------------------------------------------
>
> Key: HDFS-3373
> URL: https://issues.apache.org/jira/browse/HDFS-3373
> Project: Hadoop HDFS
> Issue Type: Bug
> Components: hdfs client
> Affects Versions: 2.0.0-alpha, 3.0.0
> Reporter: Todd Lipcon
> Assignee: John George
> Fix For: 2.0.3-alpha
>
> Attachments: HDFS-3373.branch-23.patch, HDFS-3373.trunk.patch,
> HDFS-3373.trunk.patch.1, HDFS-3373.trunk.patch.2, HDFS-3373.trunk.patch.3,
> HDFS-3373.trunk.patch.3, HDFS-3373.trunk.patch.4
>
>
> As noted by Nicholas in HDFS-3359, FileContext doesn't have a close() method,
> and thus never calls DFSClient.close(). This means that, until finalizers
> run, DFSClient will hold on to its SocketCache object and potentially have a
> lot of outstanding sockets/fds held on to.
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