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https://issues.apache.org/jira/browse/HDFS-12754?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=16263202#comment-16263202
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Hudson commented on HDFS-12754:
-------------------------------
SUCCESS: Integrated in Jenkins build Hadoop-trunk-Commit #13271 (See
[https://builds.apache.org/job/Hadoop-trunk-Commit/13271/])
HDFS-12754. Lease renewal can hit a deadlock. Contributed by Kuhu (kihwal: rev
738d1a206aba05f0b4be7d633b17db7fcd1c74bc)
* (edit)
hadoop-hdfs-project/hadoop-hdfs/src/test/java/org/apache/hadoop/hdfs/TestDFSClientRetries.java
* (edit)
hadoop-hdfs-project/hadoop-hdfs-client/src/test/java/org/apache/hadoop/hdfs/client/impl/TestLeaseRenewer.java
* (edit)
hadoop-hdfs-project/hadoop-hdfs/src/test/java/org/apache/hadoop/hdfs/TestDistributedFileSystem.java
* (edit)
hadoop-hdfs-project/hadoop-hdfs-client/src/main/java/org/apache/hadoop/hdfs/DFSClientFaultInjector.java
* (edit)
hadoop-hdfs-project/hadoop-hdfs-client/src/main/java/org/apache/hadoop/hdfs/DFSClient.java
* (edit)
hadoop-hdfs-project/hadoop-hdfs-client/src/main/java/org/apache/hadoop/hdfs/client/impl/LeaseRenewer.java
> Lease renewal can hit a deadlock
> ---------------------------------
>
> Key: HDFS-12754
> URL: https://issues.apache.org/jira/browse/HDFS-12754
> Project: Hadoop HDFS
> Issue Type: Bug
> Affects Versions: 2.8.1
> Reporter: Kuhu Shukla
> Assignee: Kuhu Shukla
> Fix For: 3.1.0
>
> Attachments: HDFS-12754.001.patch, HDFS-12754.002.patch,
> HDFS-12754.003.patch, HDFS-12754.004.patch, HDFS-12754.005.patch,
> HDFS-12754.006.patch, HDFS-12754.007.patch, HDFS-12754.008.patch,
> HDFS-12754.009.patch
>
>
> The Client and the renewer can hit a deadlock during close operation since
> closeFile() reaches back to the DFSClient#removeFileBeingWritten. This is
> possible if the client class close when the renewer is renewing a lease.
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