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https://issues.apache.org/jira/browse/HDFS-7434?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=14347546#comment-14347546
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Hadoop QA commented on HDFS-7434:
---------------------------------
{color:green}+1 overall{color}. Here are the results of testing the latest
attachment
http://issues.apache.org/jira/secure/attachment/12702505/HDFS-7434.patch
against trunk revision 3560180.
{color:green}+1 @author{color}. The patch does not contain any @author
tags.
{color:green}+1 tests included{color}. The patch appears to include 3 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}. There were no new javadoc 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 2.0.3) warnings.
{color:green}+1 release audit{color}. The applied patch does not increase
the total number of release audit warnings.
{color:green}+1 core tests{color}. The patch passed unit tests in
hadoop-hdfs-project/hadoop-hdfs.
Test results:
https://builds.apache.org/job/PreCommit-HDFS-Build/9733//testReport/
Console output: https://builds.apache.org/job/PreCommit-HDFS-Build/9733//console
This message is automatically generated.
> DatanodeID hashCode should not be mutable
> -----------------------------------------
>
> Key: HDFS-7434
> URL: https://issues.apache.org/jira/browse/HDFS-7434
> Project: Hadoop HDFS
> Issue Type: Improvement
> Components: namenode
> Affects Versions: 2.0.0-alpha, 3.0.0
> Reporter: Daryn Sharp
> Assignee: Daryn Sharp
> Attachments: HDFS-7434.patch
>
>
> Mutable hash codes may lead to orphaned instances in a collection. Instances
> must always be removed prior to modification of hash code values, and
> re-inserted. Although current code appears to do this, the mutable hash code
> is a landmine.
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