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Date: Fri, 5 Oct 2012 10:02:03 +0000 (UTC)
From: "Hadoop QA (JIRA)" <jira@apache.org>
To: hdfs-issues@hadoop.apache.org
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Subject: [jira] [Commented] (HDFS-3912) Detecting and avoiding stale
 datanodes for writing
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    [ https://issues.apache.org/jira/browse/HDFS-3912?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=13470211#comment-13470211 ] 

Hadoop QA commented on HDFS-3912:
---------------------------------

{color:red}-1 overall{color}.  Here are the results of testing the latest attachment 
  http://issues.apache.org/jira/secure/attachment/12547883/HDFS-3912.006.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:red}-1 core tests{color}.  The patch failed these unit tests in hadoop-hdfs-project/hadoop-hdfs:

                  org.apache.hadoop.hdfs.server.blockmanagement.TestReplicationPolicy

    {color:green}+1 contrib tests{color}.  The patch passed contrib unit tests.

Test results: https://builds.apache.org/job/PreCommit-HDFS-Build/3271//testReport/
Console output: https://builds.apache.org/job/PreCommit-HDFS-Build/3271//console

This message is automatically generated.
                
> Detecting and avoiding stale datanodes for writing
> --------------------------------------------------
>
>                 Key: HDFS-3912
>                 URL: https://issues.apache.org/jira/browse/HDFS-3912
>             Project: Hadoop HDFS
>          Issue Type: Sub-task
>    Affects Versions: 3.0.0
>            Reporter: Jing Zhao
>            Assignee: Jing Zhao
>         Attachments: HDFS-3912.001.patch, HDFS-3912.002.patch, HDFS-3912.003.patch, HDFS-3912.004.patch, HDFS-3912.005.patch, HDFS-3912.006.patch
>
>
> 1. Make stale timeout adaptive to the number of nodes marked stale in the cluster.
> 2. Consider having a separate configuration for write skipping the stale nodes.

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