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Posted to hdfs-dev@hadoop.apache.org by "Todd Lipcon (JIRA)" <ji...@apache.org> on 2010/02/09 01:33:27 UTC
[jira] Created: (HDFS-956) Improper synchronization in some
FSNamesystem methods
Improper synchronization in some FSNamesystem methods
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Key: HDFS-956
URL: https://issues.apache.org/jira/browse/HDFS-956
Project: Hadoop HDFS
Issue Type: Bug
Affects Versions: 0.21.0, 0.22.0
Reporter: Todd Lipcon
There are some methods in FSNamesystem that check isInSafeMode while not synchronized, and then proceed to perform operations. Thus the actual operations can occur after the NN has entered safemode, which is no good.
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[jira] Resolved: (HDFS-956) Improper synchronization in some
FSNamesystem methods
Posted by "Todd Lipcon (JIRA)" <ji...@apache.org>.
[ https://issues.apache.org/jira/browse/HDFS-956?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel ]
Todd Lipcon resolved HDFS-956.
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Resolution: Duplicate
HDFS-988 will cover these as well.
> Improper synchronization in some FSNamesystem methods
> -----------------------------------------------------
>
> Key: HDFS-956
> URL: https://issues.apache.org/jira/browse/HDFS-956
> Project: Hadoop HDFS
> Issue Type: Bug
> Affects Versions: 0.21.0, 0.22.0
> Reporter: Todd Lipcon
>
> There are some methods in FSNamesystem that check isInSafeMode while not synchronized, and then proceed to perform operations. Thus the actual operations can occur after the NN has entered safemode, which is no good.
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