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From "Hudson (JIRA)" <j...@apache.org>
Subject [jira] [Commented] (HBASE-16947) Some improvements for DumpReplicationQueues tool
Date Thu, 27 Oct 2016 21:09:59 GMT

    [ https://issues.apache.org/jira/browse/HBASE-16947?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=15613214#comment-15613214
] 

Hudson commented on HBASE-16947:
--------------------------------

SUCCESS: Integrated in Jenkins build HBase-Trunk_matrix #1866 (See [https://builds.apache.org/job/HBase-Trunk_matrix/1866/])
HBASE-16947 Some improvements for DumpReplicationQueues tool (stack: rev 7b74dd0374638b93e8e274d3c5800bdbff21ac52)
* (edit) hbase-client/src/main/java/org/apache/hadoop/hbase/replication/ReplicationQueuesZKImpl.java
* (edit) hbase-server/src/main/java/org/apache/hadoop/hbase/replication/regionserver/DumpReplicationQueues.java
* (edit) hbase-client/src/main/java/org/apache/hadoop/hbase/replication/ReplicationQueuesClientZKImpl.java


> Some improvements for DumpReplicationQueues tool
> ------------------------------------------------
>
>                 Key: HBASE-16947
>                 URL: https://issues.apache.org/jira/browse/HBASE-16947
>             Project: HBase
>          Issue Type: Improvement
>          Components: Operability, Replication
>    Affects Versions: 2.0.0, 1.4.0
>            Reporter: Guanghao Zhang
>            Assignee: Guanghao Zhang
>         Attachments: HBASE-16947-v1.patch, HBASE-16947.patch
>
>
> Recently we met too many replication WALs problem in our production cluster. We need
the DumpReplicationQueues tool to analyze the replication queues info in zookeeper. So I backport
HBASE-16450 to our branch based 0.98 and did some improvements for it.
> 1. Show the dead regionservers under replication/rs znode. When there are too many WALs
under znode, it can't be atomic transferred to new rs znode. So the dead rs znode will be
leaved on zookeeper.
> 2. Make a summary about all the queues that belong to peer has been deleted. 
> 3. Aggregate all regionservers' size of replication queue. Now the regionserver report
ReplicationLoad to master, but there were not a aggregate metrics for replication.
> 4. Show how many WALs which can not found on hdfs. But the reason (WAL Not Found) need
more time to dig.



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