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https://issues.apache.org/jira/browse/HADOOP-4399?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
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dhruba borthakur updated HADOOP-4399:
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Resolution: Fixed
Hadoop Flags: [Reviewed]
Status: Resolved (was: Patch Available)
I just committed this. Thanks Pete!
> fuse-dfs per FD context is not thread safe and can cause segfaults and
> corruptions
> -----------------------------------------------------------------------------------
>
> Key: HADOOP-4399
> URL: https://issues.apache.org/jira/browse/HADOOP-4399
> Project: Hadoop Core
> Issue Type: Bug
> Components: contrib/fuse-dfs
> Affects Versions: 0.19.0
> Reporter: Pete Wyckoff
> Assignee: Pete Wyckoff
> Priority: Blocker
> Fix For: 0.19.0
>
> Attachments: HADOOP-4399.1.txt, HADOOP-4399.2.txt, HADOOP-4399.3.txt,
> TEST-TestFuseDFS.txt, TEST-TestFuseDFS.txt
>
>
> for reads, optimal solution would be to have a per thread (per FD) context -
> including the buffer. Otherwise, protect the FD context with a mutex as in
> hadoop-4397 and hadoop-4398.
> for writes, should just protect the context with a mutex as in hadoop-4398.
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