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From "Hadoop QA (JIRA)" <j...@apache.org>
Subject [jira] [Commented] (HDFS-2554) Add separate metrics for missing blocks with desired replication level 1
Date Mon, 20 Aug 2012 22:30:38 GMT

    [ https://issues.apache.org/jira/browse/HDFS-2554?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=13438274#comment-13438274
] 

Hadoop QA commented on HDFS-2554:
---------------------------------

-1 overall.  Here are the results of testing the latest attachment 
  http://issues.apache.org/jira/secure/attachment/12541644/hdfs-2554-1.txt
  against trunk revision .

    +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 javac.  The applied patch does not increase the total number of javac compiler warnings.

    +1 javadoc.  The javadoc tool did not generate any warning messages.

    +1 eclipse:eclipse.  The patch built with eclipse:eclipse.

    +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 unit tests in hadoop-hdfs-project/hadoop-hdfs:

                  org.apache.hadoop.hdfs.TestSafeMode
                  org.apache.hadoop.hdfs.server.namenode.ha.TestHASafeMode
                  org.apache.hadoop.hdfs.server.namenode.ha.TestStandbyIsHot
                  org.apache.hadoop.hdfs.server.namenode.TestFsck
                  org.apache.hadoop.hdfs.server.namenode.ha.TestDNFencing
                  org.apache.hadoop.hdfs.server.datanode.TestBlockReport
                  org.apache.hadoop.hdfs.server.namenode.ha.TestPipelinesFailover
                  org.apache.hadoop.hdfs.server.blockmanagement.TestBlocksWithNotEnoughRacks

    +1 contrib tests.  The patch passed contrib unit tests.

Test results: https://builds.apache.org/job/PreCommit-HDFS-Build/3046//testReport/
Console output: https://builds.apache.org/job/PreCommit-HDFS-Build/3046//console

This message is automatically generated.
                
> Add separate metrics for missing blocks with desired replication level 1
> ------------------------------------------------------------------------
>
>                 Key: HDFS-2554
>                 URL: https://issues.apache.org/jira/browse/HDFS-2554
>             Project: Hadoop HDFS
>          Issue Type: Improvement
>          Components: name-node
>    Affects Versions: 2.0.0-alpha
>            Reporter: Todd Lipcon
>            Assignee: Andy Isaacson
>            Priority: Minor
>         Attachments: hdfs-2554-1.txt, hdfs-2554.txt
>
>
> Some users use replication level set to 1 for datasets which are unimportant and can
be lost with no worry (eg the output of terasort tests). But other data on the cluster is
important and should not be lost. It would be useful to separate the metric for missing blocks
by the desired replication level of those blocks, so that one could ignore missing blocks
at repl 1 while still alerting on missing blocks with higher desired replication.

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