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https://issues.apache.org/jira/browse/HDFS-5020?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=13716294#comment-13716294
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Hadoop QA commented on HDFS-5020:
---------------------------------
{color:green}+1 overall{color}. Here are the results of testing the latest
attachment
http://issues.apache.org/jira/secure/attachment/12593657/HDFS-5020.002.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}. 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/4711//testReport/
Console output: https://builds.apache.org/job/PreCommit-HDFS-Build/4711//console
This message is automatically generated.
> Make DatanodeProtocol#blockReceivedAndDeleted idempotent
> --------------------------------------------------------
>
> Key: HDFS-5020
> URL: https://issues.apache.org/jira/browse/HDFS-5020
> Project: Hadoop HDFS
> Issue Type: Improvement
> Affects Versions: 3.0.0
> Reporter: Jing Zhao
> Assignee: Jing Zhao
> Attachments: HDFS-5020.001.patch, HDFS-5020.002.patch
>
>
> Currently DatanodeProtocol#blockReceivedAndDeleted is not idempotent because
> pending replication maps in NN only tracks the number of the pending
> replicas, and a retry request about a received block can cause the pending
> number decreased more than once. We can make blockReceivedAndDeleted
> idempotent by tracking corresponding datanodes in the pending replication
> map.
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