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https://issues.apache.org/jira/browse/HDFS-4516?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=13826568#comment-13826568
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Hadoop QA commented on HDFS-4516:
---------------------------------
{color:green}+1 overall{color}. Here are the results of testing the latest
attachment
http://issues.apache.org/jira/secure/attachment/12614572/HDFS-4516.patch
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 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}. 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:green}+1 core tests{color}. The patch passed unit tests in
hadoop-hdfs-project/hadoop-hdfs.
{color:green}+1 contrib tests{color}. The patch passed contrib unit tests.
Test results:
https://builds.apache.org/job/PreCommit-HDFS-Build/5484//testReport/
Console output: https://builds.apache.org/job/PreCommit-HDFS-Build/5484//console
This message is automatically generated.
> Client crash after block allocation and NN switch before lease recovery for
> the same file can cause readers to fail forever
> ---------------------------------------------------------------------------------------------------------------------------
>
> Key: HDFS-4516
> URL: https://issues.apache.org/jira/browse/HDFS-4516
> Project: Hadoop HDFS
> Issue Type: Bug
> Components: namenode
> Affects Versions: 3.0.0, 2.0.3-alpha
> Reporter: Uma Maheswara Rao G
> Assignee: Vinay
> Priority: Critical
> Attachments: HDFS-4516-Test.patch, HDFS-4516.patch, HDFS-4516.patch,
> HDFS-4516.patch, HDFS-4516.txt
>
>
> If client crashes just after allocating block( blocks not yet created in DNs)
> and NN also switched after this, then new Namenode will not know about locs.
> Further details will be in comment.
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