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https://issues.apache.org/jira/browse/HDFS-3981?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=13624252#comment-13624252
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Hadoop QA commented on HDFS-3981:
---------------------------------
{color:red}-1 overall{color}. Here are the results of testing the latest
attachment
http://issues.apache.org/jira/secure/attachment/12577310/hdfs-3981.txt
against trunk revision .
{color:green}+1 @author{color}. The patch does not contain any @author
tags.
{color:green}+1 tests included{color}. The patch appears to include 2 new
or modified test files.
{color:green}+1 javac{color}. The applied patch does not increase the
total number of javac compiler warnings.
{color:green}+1 javadoc{color}. The javadoc tool did not generate any
warning messages.
{color:green}+1 eclipse:eclipse{color}. The patch built with
eclipse:eclipse.
{color:green}+1 findbugs{color}. The patch does not introduce any new
Findbugs (version 1.3.9) warnings.
{color:green}+1 release audit{color}. The applied patch does not increase
the total number of release audit warnings.
{color:red}-1 core tests{color}. The patch failed these unit tests in
hadoop-common-project/hadoop-common hadoop-hdfs-project/hadoop-hdfs:
org.apache.hadoop.hdfs.server.blockmanagement.TestBlocksWithNotEnoughRacks
{color:green}+1 contrib tests{color}. The patch passed contrib unit tests.
Test results:
https://builds.apache.org/job/PreCommit-HDFS-Build/4193//testReport/
Console output: https://builds.apache.org/job/PreCommit-HDFS-Build/4193//console
This message is automatically generated.
> access time is set without holding FSNamesystem write lock
> ----------------------------------------------------------
>
> Key: HDFS-3981
> URL: https://issues.apache.org/jira/browse/HDFS-3981
> Project: Hadoop HDFS
> Issue Type: Bug
> Components: namenode
> Affects Versions: 0.23.3, 2.0.3-alpha, 0.23.5
> Reporter: Xiaobo Peng
> Assignee: Xiaobo Peng
> Attachments: HDFS-3981-branch-0.23.4.patch,
> HDFS-3981-branch-0.23.patch, HDFS-3981-branch-2.patch, HDFS-3981-trunk.patch,
> hdfs-3981.txt
>
>
> Incorrect condition in {{FSNamesystem.getBlockLocatoins()}} can lead to
> updating times without write lock. In most cases this condition will force
> {{FSNamesystem.getBlockLocatoins()}} to hold write lock, even if times do not
> need to be updated.
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