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https://issues.apache.org/jira/browse/HDFS-6094?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=13935859#comment-13935859
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Hadoop QA commented on HDFS-6094:
---------------------------------
{color:red}-1 overall{color}. Here are the results of testing the latest
attachment
http://issues.apache.org/jira/secure/attachment/12634845/HDFS-6094.03.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 2 new
or modified test files.
{color:red}-1 javac{color}. The applied patch generated 1540 javac
compiler warnings (more than the trunk's current 1531 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 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/6407//testReport/
Javac warnings:
https://builds.apache.org/job/PreCommit-HDFS-Build/6407//artifact/trunk/patchprocess/diffJavacWarnings.txt
Console output: https://builds.apache.org/job/PreCommit-HDFS-Build/6407//console
This message is automatically generated.
> The same block can be counted twice towards safe mode threshold
> ---------------------------------------------------------------
>
> Key: HDFS-6094
> URL: https://issues.apache.org/jira/browse/HDFS-6094
> Project: Hadoop HDFS
> Issue Type: Bug
> Components: namenode
> Affects Versions: 2.4.0
> Reporter: Arpit Agarwal
> Assignee: Arpit Agarwal
> Attachments: HDFS-6094.03.patch, HDFS-6904.01.patch,
> TestHASafeMode-output.txt
>
>
> {{BlockManager#addStoredBlock}} can cause the same block can be counted
> towards safe mode threshold. We see this manifest via
> {{TestHASafeMode#testBlocksAddedWhileStandbyIsDown}} failures on Ubuntu. More
> details to follow in a comment.
> Exception details:
> {code}
> Time elapsed: 12.874 sec <<< FAILURE!
> java.lang.AssertionError: Bad safemode status: 'Safe mode is ON. The reported
> blocks 7 has reached the threshold 0.9990 of total blocks 6. The number of
> live datanodes 3 has reached the minimum number 0. Safe mode will be turned
> off automatically in 28 seconds.'
> at org.junit.Assert.fail(Assert.java:93)
> at org.junit.Assert.assertTrue(Assert.java:43)
> at
> org.apache.hadoop.hdfs.server.namenode.ha.TestHASafeMode.assertSafeMode(TestHASafeMode.java:493)
> at
> org.apache.hadoop.hdfs.server.namenode.ha.TestHASafeMode.testBlocksAddedWhileStandbyIsDown(TestHASafeMode.java:660)
> {code}
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