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https://issues.apache.org/jira/browse/HDFS-4633?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=13613346#comment-13613346
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Hadoop QA commented on HDFS-4633:
---------------------------------
{color:green}+1 overall{color}. Here are the results of testing the latest
attachment
http://issues.apache.org/jira/secure/attachment/12575419/HDFS-4633.3.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/4143//testReport/
Console output: https://builds.apache.org/job/PreCommit-HDFS-Build/4143//console
This message is automatically generated.
> TestDFSClientExcludedNodes fails sporadically if excluded nodes cache expires
> too quickly
> -----------------------------------------------------------------------------------------
>
> Key: HDFS-4633
> URL: https://issues.apache.org/jira/browse/HDFS-4633
> Project: Hadoop HDFS
> Issue Type: Bug
> Components: hdfs-client, test
> Affects Versions: 3.0.0
> Reporter: Chris Nauroth
> Assignee: Chris Nauroth
> Fix For: 3.0.0
>
> Attachments: HDFS-4633.1.patch, HDFS-4633.2.patch, HDFS-4633.3.patch
>
>
> {{TestDFSClientExcludedNodes}} simulates failures of individual data nodes in
> the client's write pipeline and checks the client's ability to recover.
> HDFS-4246 added support for periodic "forgiveness" by caching the list of
> known bad data nodes with a periodic eviction. The test uses a 1 second
> cache expiration. This sometimes causes failed nodes to be forgiven too fast
> and violate the assumptions of the test.
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