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https://issues.apache.org/jira/browse/HDFS-6247?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=14076019#comment-14076019
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Hadoop QA commented on HDFS-6247:
---------------------------------
{color:red}-1 overall{color}. Here are the results of testing the latest
attachment
http://issues.apache.org/jira/secure/attachment/12658080/HDFS-6247.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 1 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:red}-1 core tests{color}. The patch failed these unit tests in
hadoop-hdfs-project/hadoop-hdfs:
org.apache.hadoop.hdfs.server.namenode.ha.TestPipelinesFailover
{color:green}+1 contrib tests{color}. The patch passed contrib unit tests.
Test results:
https://builds.apache.org/job/PreCommit-HDFS-Build/7473//testReport/
Console output: https://builds.apache.org/job/PreCommit-HDFS-Build/7473//console
This message is automatically generated.
> Avoid timeouts for replaceBlock() call by sending intermediate responses to
> Balancer
> ------------------------------------------------------------------------------------
>
> Key: HDFS-6247
> URL: https://issues.apache.org/jira/browse/HDFS-6247
> Project: Hadoop HDFS
> Issue Type: Bug
> Components: balancer, datanode
> Affects Versions: 2.4.0
> Reporter: Vinayakumar B
> Assignee: Vinayakumar B
> Attachments: HDFS-6247.patch, HDFS-6247.patch, HDFS-6247.patch,
> HDFS-6247.patch, HDFS-6247.patch, HDFS-6247.patch
>
>
> Currently there is no response sent from target Datanode to Balancer for the
> replaceBlock() calls.
> Since the Block movement for balancing is throttled, complete block movement
> will take time and this could result in timeout at Balancer, which will be
> trying to read the status message.
>
> To Avoid this during replaceBlock() call in in progress Datanode can send
> IN_PROGRESS status messages to Balancer to avoid timeouts and treat
> BlockMovement as failed.
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