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https://issues.apache.org/jira/browse/HBASE-4007?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=13100745#comment-13100745
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[email protected] commented on HBASE-4007:
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https://reviews.apache.org/r/1747/#review1824
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Ship it!
- Ted
On 2011-09-08 22:09:32, Prakash Khemani wrote:
bq.
bq. -----------------------------------------------------------
bq. This is an automatically generated e-mail. To reply, visit:
bq. https://reviews.apache.org/r/1747/
bq. -----------------------------------------------------------
bq.
bq. (Updated 2011-09-08 22:09:32)
bq.
bq.
bq. Review request for hbase, Ted Yu and Michael Stack.
bq.
bq.
bq. Summary
bq. -------
bq.
bq. 1/ resubmit all tasks owned by a dead splitlog-worker
bq. 2/ prevent accumulation of /hbase/splitlog/RESCAN nodes
bq.
bq.
bq. This addresses bug HBASE-4007.
bq. https://issues.apache.org/jira/browse/HBASE-4007
bq.
bq.
bq. Diffs
bq. -----
bq.
bq. src/main/java/org/apache/hadoop/hbase/master/MasterFileSystem.java
9a71fdf
bq. src/main/java/org/apache/hadoop/hbase/master/SplitLogManager.java
54b6d45
bq. src/main/java/org/apache/hadoop/hbase/zookeeper/ZKSplitLog.java 61e5c65
bq. src/test/java/org/apache/hadoop/hbase/master/TestSplitLogManager.java
9a88855
bq.
bq. Diff: https://reviews.apache.org/r/1747/diff
bq.
bq.
bq. Testing
bq. -------
bq.
bq. 1/ resubmit all tasks owned by a dead splitlog-worker - only unit tested.
will do cluster testing.
bq. 2/ prevent accumulation of /hbase/splitlog/RESCAN nodes - tested and
deployed in production.
bq.
bq.
bq. Thanks,
bq.
bq. Prakash
bq.
bq.
> distributed log splitting can get indefinitely stuck
> ----------------------------------------------------
>
> Key: HBASE-4007
> URL: https://issues.apache.org/jira/browse/HBASE-4007
> Project: HBase
> Issue Type: Bug
> Reporter: Prakash Khemani
> Assignee: Prakash Khemani
> Priority: Critical
> Fix For: 0.92.0
>
> Attachments:
> 0001-HBASE-4007-distributed-log-splitting-can-get-indefin.patch
>
>
> After the configured number of retries SplitLogManager is not going to
> resubmit log-split tasks. In this situation even if the splitLogWorker that
> owns the task dies the task will not get resubmitted.
> When a regionserver goes away then all the split-log tasks that it owned
> should be resubmitted by the SplitLogMaster.
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