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https://issues.apache.org/jira/browse/HDFS-7885?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=14349156#comment-14349156
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Hadoop QA commented on HDFS-7885:
---------------------------------
{color:red}-1 overall{color}. Here are the results of testing the latest
attachment
http://issues.apache.org/jira/secure/attachment/12702821/h7885_20150305.patch
against trunk revision 1b67209.
{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.shortcircuit.TestShortCircuitLocalRead
The following test timeouts occurred in
hadoop-hdfs-project/hadoop-hdfs:
org.apache.hadoop.hdfs.server.balancer.TestBalancerWithHANameNodes
Test results:
https://builds.apache.org/job/PreCommit-HDFS-Build/9751//testReport/
Console output: https://builds.apache.org/job/PreCommit-HDFS-Build/9751//console
This message is automatically generated.
> Datanode should not trust the generation stamp provided by client
> -----------------------------------------------------------------
>
> Key: HDFS-7885
> URL: https://issues.apache.org/jira/browse/HDFS-7885
> Project: Hadoop HDFS
> Issue Type: Bug
> Components: datanode
> Affects Versions: 2.2.0
> Reporter: vitthal (Suhas) Gogate
> Assignee: Tsz Wo Nicholas Sze
> Priority: Critical
> Attachments: h7885_20150305.patch
>
>
> Datanode should not trust the generation stamp provided by client, since it
> is prefetched and buffered in client, and concurrent append may increase it.
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