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From "Hudson (JIRA)" <j...@apache.org>
Subject [jira] [Commented] (HDFS-5845) SecondaryNameNode dies when checkpointing with cache pools
Date Thu, 30 Jan 2014 13:30:14 GMT

    [ https://issues.apache.org/jira/browse/HDFS-5845?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=13886561#comment-13886561
] 

Hudson commented on HDFS-5845:
------------------------------

FAILURE: Integrated in Hadoop-Mapreduce-trunk #1683 (See [https://builds.apache.org/job/Hadoop-Mapreduce-trunk/1683/])
HDFS-5845. SecondaryNameNode dies when checkpointing with cache pools. (wang: http://svn.apache.org/viewcvs.cgi/?root=Apache-SVN&view=rev&rev=1562644)
* /hadoop/common/trunk/hadoop-hdfs-project/hadoop-hdfs/CHANGES.txt
* /hadoop/common/trunk/hadoop-hdfs-project/hadoop-hdfs/src/main/java/org/apache/hadoop/hdfs/server/namenode/CacheManager.java
* /hadoop/common/trunk/hadoop-hdfs-project/hadoop-hdfs/src/main/java/org/apache/hadoop/hdfs/server/namenode/FSNamesystem.java
* /hadoop/common/trunk/hadoop-hdfs-project/hadoop-hdfs/src/main/java/org/apache/hadoop/hdfs/server/namenode/SecondaryNameNode.java
* /hadoop/common/trunk/hadoop-hdfs-project/hadoop-hdfs/src/test/java/org/apache/hadoop/hdfs/server/namenode/TestCacheDirectives.java
* /hadoop/common/trunk/hadoop-hdfs-project/hadoop-hdfs/src/test/java/org/apache/hadoop/hdfs/server/namenode/TestCheckpoint.java


> SecondaryNameNode dies when checkpointing with cache pools
> ----------------------------------------------------------
>
>                 Key: HDFS-5845
>                 URL: https://issues.apache.org/jira/browse/HDFS-5845
>             Project: Hadoop HDFS
>          Issue Type: Bug
>          Components: namenode
>    Affects Versions: 2.3.0
>            Reporter: Andrew Wang
>            Assignee: Andrew Wang
>            Priority: Blocker
>              Labels: caching
>             Fix For: 2.3.0
>
>         Attachments: hdfs-5845-1.patch
>
>
> The SecondaryNameNode clears and reloads its FSNamesystem when doing checkpointing. However,
FSNamesystem#clear does not clear CacheManager state during this reload. This leads to an
error like the following:
> {noformat}
> org.apache.hadoop.fs.InvalidRequestException: Cache pool pool1 already exists.
> {noformat}



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