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Posted to common-issues@hadoop.apache.org by "Arun C Murthy (Updated) (JIRA)" <ji...@apache.org> on 2012/03/05 03:45:01 UTC
[jira] [Updated] (HADOOP-7900) LocalDirAllocator confChanged()
accesses conf.get() twice
[ https://issues.apache.org/jira/browse/HADOOP-7900?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel ]
Arun C Murthy updated HADOOP-7900:
----------------------------------
Fix Version/s: (was: 0.23.1)
0.23.3
> LocalDirAllocator confChanged() accesses conf.get() twice
> ---------------------------------------------------------
>
> Key: HADOOP-7900
> URL: https://issues.apache.org/jira/browse/HADOOP-7900
> Project: Hadoop Common
> Issue Type: Bug
> Components: fs
> Affects Versions: 0.24.0, 0.23.1
> Reporter: Ravi Gummadi
> Assignee: Ravi Gummadi
> Fix For: 0.23.3
>
> Attachments: HADOOP-7900.patch
>
>
> LocalDirAllocator.AllocatorPerContext.confChanged() accesses conf.get() twice unnecessarily. The 2 calls can give 2 different values, which can lead to issues because the first call's return value is saved in savedLocalDirs and is used for comparison in the next call to confChanged() method --- So the comparison is wrong.
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