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https://issues.apache.org/jira/browse/HDFS-1541?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=12999192#comment-12999192
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Hadoop QA commented on HDFS-1541:
---------------------------------
-1 overall. Here are the results of testing the latest attachment
http://issues.apache.org/jira/secure/attachment/12467496/deadnodescheck.patch
against trunk revision 1074282.
+1 @author. The patch does not contain any @author tags.
-1 tests included. The patch doesn't appear to include any new or modified
tests.
Please justify why no new tests are needed for this
patch.
Also please list what manual steps were performed to
verify this patch.
+1 javadoc. The javadoc tool did not generate any warning messages.
+1 javac. The applied patch does not increase the total number of javac
compiler warnings.
+1 findbugs. The patch does not introduce any new Findbugs (version 1.3.9)
warnings.
+1 release audit. The applied patch does not increase the total number of
release audit warnings.
-1 core tests. The patch failed these core unit tests:
org.apache.hadoop.hdfs.TestFileConcurrentReader
-1 contrib tests. The patch failed contrib unit tests.
+1 system test framework. The patch passed system test framework compile.
Test results:
https://hudson.apache.org/hudson/job/PreCommit-HDFS-Build/216//testReport/
Findbugs warnings:
https://hudson.apache.org/hudson/job/PreCommit-HDFS-Build/216//artifact/trunk/build/test/findbugs/newPatchFindbugsWarnings.html
Console output:
https://hudson.apache.org/hudson/job/PreCommit-HDFS-Build/216//console
This message is automatically generated.
> Not marking datanodes dead When namenode in safemode
> ----------------------------------------------------
>
> Key: HDFS-1541
> URL: https://issues.apache.org/jira/browse/HDFS-1541
> Project: Hadoop HDFS
> Issue Type: Improvement
> Components: name-node
> Affects Versions: 0.23.0
> Reporter: Hairong Kuang
> Assignee: Hairong Kuang
> Fix For: 0.23.0
>
> Attachments: deadnodescheck.patch
>
>
> In a big cluster, when namenode starts up, it takes a long time for namenode
> to process block reports from all datanodes. Because heartbeats processing
> get delayed, some datanodes are erroneously marked as dead, then later on
> they have to register again, thus wasting time.
> It would speed up starting time if the checking of dead nodes is disabled
> when namenode in safemode.
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