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https://issues.apache.org/jira/browse/HDFS-1257?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=13086586#comment-13086586
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Hadoop QA commented on HDFS-1257:
---------------------------------
-1 overall. Here are the results of testing the latest attachment
http://issues.apache.org/jira/secure/attachment/12490689/HDFS-1257.5.20110817.patch
against trunk revision 1158743.
+1 @author. The patch does not contain any @author tags.
-1 tests included. The patch doesn't appear to include any new or modified
tests.
Please justify why no new tests are needed for this
patch.
Also please list what manual steps were performed to
verify this patch.
+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 (version 1.3.9)
warnings.
+1 release audit. The applied patch does not increase the total number of
release audit warnings.
-1 core tests. The patch failed these core unit tests:
org.apache.hadoop.hdfs.server.blockmanagement.TestReplicationPolicy
org.apache.hadoop.hdfs.server.namenode.TestCheckpoint
org.apache.hadoop.hdfs.server.namenode.TestNNThroughputBenchmark
org.apache.hadoop.hdfs.server.namenode.TestValidateConfigurationSettings
org.apache.hadoop.hdfs.TestHDFSServerPorts
+1 contrib tests. The patch passed contrib unit tests.
-1 system test framework. The patch failed system test framework compile.
Test results:
https://builds.apache.org/job/PreCommit-HDFS-Build/1111//testReport/
Findbugs warnings:
https://builds.apache.org/job/PreCommit-HDFS-Build/1111//artifact/trunk/build/test/findbugs/newPatchFindbugsWarnings.html
Console output: https://builds.apache.org/job/PreCommit-HDFS-Build/1111//console
This message is automatically generated.
> Race condition on FSNamesystem#recentInvalidateSets introduced by HADOOP-5124
> -----------------------------------------------------------------------------
>
> Key: HDFS-1257
> URL: https://issues.apache.org/jira/browse/HDFS-1257
> Project: Hadoop HDFS
> Issue Type: Bug
> Components: name-node
> Affects Versions: 0.23.0
> Reporter: Ramkumar Vadali
> Assignee: Eric Payne
> Fix For: 0.23.0
>
> Attachments: HDFS-1257.1.20110810.patch, HDFS-1257.2.20110812.patch,
> HDFS-1257.3.20110815.patch, HDFS-1257.4.20110816.patch,
> HDFS-1257.5.20110817.patch, HDFS-1257.patch
>
>
> HADOOP-5124 provided some improvements to FSNamesystem#recentInvalidateSets.
> But it introduced unprotected access to the data structure
> recentInvalidateSets. Specifically, FSNamesystem.computeInvalidateWork
> accesses recentInvalidateSets without read-lock protection. If there is
> concurrent activity (like reducing replication on a file) that adds to
> recentInvalidateSets, the name-node crashes with a
> ConcurrentModificationException.
--
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