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From "Hudson (JIRA)" <j...@apache.org>
Subject [jira] [Commented] (HDFS-6943) Improve NN allocateBlock log to include replicas' datanode IPs
Date Tue, 09 Sep 2014 14:07:30 GMT

    [ https://issues.apache.org/jira/browse/HDFS-6943?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=14127008#comment-14127008
] 

Hudson commented on HDFS-6943:
------------------------------

SUCCESS: Integrated in Hadoop-Hdfs-trunk #1866 (See [https://builds.apache.org/job/Hadoop-Hdfs-trunk/1866/])
HDFS-6943. Improve NN allocateBlock log to include replicas' datanode IPs. Contributed by
Ming Ma. (wheat9: rev c1f8323234e4635d5e710007ae8dc847a29a40f5)
* hadoop-hdfs-project/hadoop-hdfs/src/main/java/org/apache/hadoop/hdfs/server/blockmanagement/DatanodeStorageInfo.java
* hadoop-hdfs-project/hadoop-hdfs/CHANGES.txt


> Improve NN allocateBlock log to include replicas' datanode IPs
> --------------------------------------------------------------
>
>                 Key: HDFS-6943
>                 URL: https://issues.apache.org/jira/browse/HDFS-6943
>             Project: Hadoop HDFS
>          Issue Type: Improvement
>            Reporter: Ming Ma
>            Assignee: Ming Ma
>             Fix For: 2.6.0
>
>         Attachments: HDFS-6943.patch
>
>
> Datanode storage ID used to use IP and port. It has changed to use UUID. This makes debugging
harder when we want to understand which DNs are assigned when DFSClient calls addBlock. For
example,
> {noformat}
> BLOCK* allocateBlock: /foo. BP-1980237412-xx.xx.xxx.xxx-1408142057773 blk_1227779764_154043834{blockUCState=UNDER_CONSTRUCTION,
primaryNodeIndex=-1, replicas=[ReplicaUnderConstruction[[DISK]DS-9479727b-24c5-4068-8703-dfb9a41c056c:NORMAL|RBW],
ReplicaUnderConstruction[[DISK]DS-abe7840c-1db8-4623-9da7-3aed6a28c4f4:NORMAL|RBW], ReplicaUnderConstruction[[DISK]DS-956023f4-56a0-4c30-a148-b78c61cf764b:NORMAL|RBW]]}
> {noformat}



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