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Posted to hdfs-dev@hadoop.apache.org by "Todd Lipcon (Created) (JIRA)" <ji...@apache.org> on 2012/02/23 08:07:48 UTC
[jira] [Created] (HDFS-2994) If lease is recovered successfully
inline with create, create can fail
If lease is recovered successfully inline with create, create can fail
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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
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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