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https://issues.apache.org/jira/browse/HADOOP-4399?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=12640419#action_12640419
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Hadoop QA commented on HADOOP-4399:
-----------------------------------
+1 overall. Here are the results of testing the latest attachment
http://issues.apache.org/jira/secure/attachment/12392297/HADOOP-4399.3.txt
against trunk revision 705420.
+1 @author. The patch does not contain any @author tags.
+1 tests included. The patch appears to include 18 new or modified tests.
+1 javadoc. The javadoc tool did not generate any warning messages.
+1 javac. The applied patch does not increase the total number of javac
compiler warnings.
+1 findbugs. The patch does not introduce any new Findbugs warnings.
+1 Eclipse classpath. The patch retains Eclipse classpath integrity.
+1 core tests. The patch passed core unit tests.
+1 contrib tests. The patch passed contrib unit tests.
Test results:
http://hudson.zones.apache.org/hudson/job/Hadoop-Patch/3479/testReport/
Findbugs warnings:
http://hudson.zones.apache.org/hudson/job/Hadoop-Patch/3479/artifact/trunk/build/test/findbugs/newPatchFindbugsWarnings.html
Checkstyle results:
http://hudson.zones.apache.org/hudson/job/Hadoop-Patch/3479/artifact/trunk/build/test/checkstyle-errors.html
Console output:
http://hudson.zones.apache.org/hudson/job/Hadoop-Patch/3479/console
This message is automatically generated.
> 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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