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From "Hudson (JIRA)" <j...@apache.org>
Subject [jira] [Commented] (HDFS-8646) Prune cached replicas from DatanodeDescriptor state on replica invalidation
Date Thu, 25 Jun 2015 11:43:05 GMT

    [ https://issues.apache.org/jira/browse/HDFS-8646?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=14601049#comment-14601049
] 

Hudson commented on HDFS-8646:
------------------------------

FAILURE: Integrated in Hadoop-Yarn-trunk-Java8 #239 (See [https://builds.apache.org/job/Hadoop-Yarn-trunk-Java8/239/])
HDFS-8646. Prune cached replicas from DatanodeDescriptor state on replica invalidation. (wang:
rev afe9ea3c12e1f5a71922400eadb642960bc87ca1)
* hadoop-hdfs-project/hadoop-hdfs/src/main/java/org/apache/hadoop/hdfs/server/namenode/FSNamesystem.java
* hadoop-hdfs-project/hadoop-hdfs/src/test/java/org/apache/hadoop/hdfs/server/namenode/TestCacheDirectives.java
* hadoop-hdfs-project/hadoop-hdfs/src/main/java/org/apache/hadoop/hdfs/server/namenode/Namesystem.java
* hadoop-hdfs-project/hadoop-hdfs/src/main/java/org/apache/hadoop/hdfs/server/blockmanagement/BlockManager.java
* hadoop-hdfs-project/hadoop-hdfs/src/test/java/org/apache/hadoop/hdfs/DFSTestUtil.java
* hadoop-hdfs-project/hadoop-hdfs/src/main/java/org/apache/hadoop/hdfs/server/datanode/BPServiceActor.java
* hadoop-hdfs-project/hadoop-hdfs/src/main/java/org/apache/hadoop/hdfs/server/datanode/DataNode.java
* hadoop-hdfs-project/hadoop-hdfs/src/test/java/org/apache/hadoop/hdfs/server/datanode/DataNodeTestUtils.java
* hadoop-hdfs-project/hadoop-hdfs/CHANGES.txt
* hadoop-hdfs-project/hadoop-hdfs/src/main/java/org/apache/hadoop/hdfs/server/namenode/CacheManager.java


> Prune cached replicas from DatanodeDescriptor state on replica invalidation
> ---------------------------------------------------------------------------
>
>                 Key: HDFS-8646
>                 URL: https://issues.apache.org/jira/browse/HDFS-8646
>             Project: Hadoop HDFS
>          Issue Type: Bug
>          Components: caching
>    Affects Versions: 2.3.0
>            Reporter: Andrew Wang
>            Assignee: Andrew Wang
>             Fix For: 2.8.0
>
>         Attachments: hdfs-8646.001.patch, hdfs-8646.002.patch
>
>
> Currently we remove blocks from the DD's CachedBlockLists on node failure and on cache
report, but not on replica invalidation. This can lead to an invalid situation where we return
a LocatedBlock with cached locations that are not backed by an on-disk replica.



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