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Posted to hdfs-issues@hadoop.apache.org by "amith (JIRA)" <ji...@apache.org> on 2012/05/19 09:12:08 UTC
[jira] [Updated] (HDFS-2994) If lease is recovered successfully
inline with create, create can fail
[ https://issues.apache.org/jira/browse/HDFS-2994?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel ]
amith updated HDFS-2994:
------------------------
Attachment: HDFS-2994_1.patch
> If lease is recovered successfully inline with create, create 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
>
>
> 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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