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https://issues.apache.org/jira/browse/HDFS-2994?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=13741578#comment-13741578
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Hudson commented on HDFS-2994:
------------------------------
SUCCESS: Integrated in Hadoop-trunk-Commit #4275 (See
[https://builds.apache.org/job/Hadoop-trunk-Commit/4275/])
HDFS-2994. If lease soft limit is recovered successfully the append can fail.
Contributed by Tao Luo. (shv:
http://svn.apache.org/viewcvs.cgi/?root=Apache-SVN&view=rev&rev=1514500)
* /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/server/namenode/FSNamesystem.java
*
/hadoop/common/trunk/hadoop-hdfs-project/hadoop-hdfs/src/test/java/org/apache/hadoop/hdfs/TestFileAppend.java
> If lease soft limit is recovered successfully the append can fail
> -----------------------------------------------------------------
>
> Key: HDFS-2994
> URL: https://issues.apache.org/jira/browse/HDFS-2994
> Project: Hadoop HDFS
> Issue Type: Bug
> Affects Versions: 0.24.0
> Reporter: Todd Lipcon
> Assignee: amith
> Attachments: HDFS-2994_1.patch, HDFS-2994_1.patch, HDFS-2994_2.patch,
> HDFS-2994_3.patch, HDFS-2994_4.patch
>
>
> I saw the following logs on my test cluster:
> {code}
> 2012-02-22 14:35:22,887 INFO
> org.apache.hadoop.hdfs.server.namenode.FSNamesystem: startFile: recover lease
> [Lease. Holder: DFSClient_attempt_1329943893604_0007_m_000376_0_453973131_1,
> pendingcreates: 1], src=/benchmarks/TestDFSIO/io_data/test_io_6 from client
> DFSClient_attempt_1329943893604_0007_m_000376_0_453973131_1
> 2012-02-22 14:35:22,887 INFO
> org.apache.hadoop.hdfs.server.namenode.FSNamesystem: Recovering lease=[Lease.
> Holder: DFSClient_attempt_1329943893604_0007_m_000376_0_453973131_1,
> pendingcreates: 1], src=/benchmarks/TestDFSIO/io_data/test_io_6
> 2012-02-22 14:35:22,888 WARN org.apache.hadoop.hdfs.StateChange: BLOCK*
> internalReleaseLease: All existing blocks are COMPLETE, lease removed, file
> closed.
> 2012-02-22 14:35:22,888 WARN org.apache.hadoop.hdfs.StateChange: DIR*
> FSDirectory.replaceNode: failed to remove
> /benchmarks/TestDFSIO/io_data/test_io_6
> 2012-02-22 14:35:22,888 WARN org.apache.hadoop.hdfs.StateChange: DIR*
> NameSystem.startFile: FSDirectory.replaceNode: failed to remove
> /benchmarks/TestDFSIO/io_data/test_io_6
> {code}
> It seems like, if {{recoverLeaseInternal}} succeeds in {{startFileInternal}},
> then the INode will be replaced with a new one, meaning the later
> {{replaceNode}} call can fail.
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