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From "Hudson (JIRA)" <j...@apache.org>
Subject [jira] [Commented] (HBASE-12388) Document that WALObservers don't get empty edits.
Date Fri, 31 Oct 2014 04:22:34 GMT

    [ https://issues.apache.org/jira/browse/HBASE-12388?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=14191323#comment-14191323
] 

Hudson commented on HBASE-12388:
--------------------------------

SUCCESS: Integrated in HBase-TRUNK #5727 (See [https://builds.apache.org/job/HBase-TRUNK/5727/])
HBASE-12388 Document behavior wrt coprocessors when wal gets empty waledits. (stack: rev 646f1d5f8ff627dba31a995d7dd05fc705a44fb2)
* hbase-server/src/test/java/org/apache/hadoop/hbase/coprocessor/SampleRegionWALObserver.java
* hbase-server/src/main/java/org/apache/hadoop/hbase/coprocessor/WALObserver.java
* hbase-server/src/test/java/org/apache/hadoop/hbase/coprocessor/TestWALObserver.java


> Document that WALObservers don't get empty edits.
> -------------------------------------------------
>
>                 Key: HBASE-12388
>                 URL: https://issues.apache.org/jira/browse/HBASE-12388
>             Project: HBase
>          Issue Type: Task
>          Components: wal
>            Reporter: Sean Busbey
>            Assignee: Sean Busbey
>             Fix For: 2.0.0, 0.99.2
>
>         Attachments: HBASE-12388.1.patch.txt
>
>
> in branch-1+, WALObservers don't get any notice of WALEdits that return true for isEmpty().
> Make sure this is noted in the docs. It was surprising while I was writing a test, and
it's a different edge case than in 0.98.



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