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Date: Thu, 23 Oct 2008 14:56:44 -0700 (PDT)
From: "Hudson (JIRA)" <jira@apache.org>
To: core-dev@hadoop.apache.org
Subject: [jira] Commented: (HADOOP-4399)  fuse-dfs per FD context is not
 thread safe and can cause segfaults and corruptions
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    [ https://issues.apache.org/jira/browse/HADOOP-4399?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=12642295#action_12642295 ] 

Hudson commented on HADOOP-4399:
--------------------------------

Integrated in Hadoop-trunk #640 (See [http://hudson.zones.apache.org/hudson/job/Hadoop-trunk/640/])
    

>  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: 0.18.2
>
>         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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