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From "Hudson (JIRA)" <j...@apache.org>
Subject [jira] [Commented] (HBASE-19122) preCompact and preFlush can bypass by returning null scanner; shut it down
Date Wed, 22 Nov 2017 19:59:00 GMT

    [ https://issues.apache.org/jira/browse/HBASE-19122?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=16263254#comment-16263254
] 

Hudson commented on HBASE-19122:
--------------------------------

FAILURE: Integrated in Jenkins build HBase-Trunk_matrix #4099 (See [https://builds.apache.org/job/HBase-Trunk_matrix/4099/])
HBASE-19122 preCompact and preFlush can bypass by returning null (stack: rev 194efe3e5a7d209fccc64d195f5d1f1df41df609)
* (edit) hbase-server/src/main/java/org/apache/hadoop/hbase/regionserver/StripeStoreFlusher.java
* (edit) hbase-server/src/main/java/org/apache/hadoop/hbase/regionserver/compactions/Compactor.java
* (edit) hbase-server/src/main/java/org/apache/hadoop/hbase/regionserver/DefaultStoreFlusher.java
* (edit) hbase-server/src/main/java/org/apache/hadoop/hbase/mob/DefaultMobStoreFlusher.java
* (add) hbase-server/src/test/java/org/apache/hadoop/hbase/coprocessor/TestRegionObserverPreFlushAndPreCompact.java
* (edit) hbase-server/src/main/java/org/apache/hadoop/hbase/regionserver/RegionCoprocessorHost.java
* (edit) hbase-server/src/test/java/org/apache/hadoop/hbase/regionserver/TestHRegion.java


> preCompact and preFlush can bypass by returning null scanner; shut it down
> --------------------------------------------------------------------------
>
>                 Key: HBASE-19122
>                 URL: https://issues.apache.org/jira/browse/HBASE-19122
>             Project: HBase
>          Issue Type: Sub-task
>          Components: Coprocessors, Scanners
>            Reporter: stack
>            Assignee: stack
>            Priority: Critical
>             Fix For: 2.0.0-beta-1
>
>         Attachments: HBASE-19122.master.001.patch, HBASE-19122.master.002.patch, HBASE-19122.master.003.patch,
HBASE-19122.master.004.patch
>
>
> Noticed by [~anoop.hbase] during review of HBASE-18770, preCompact and preFlush can bypass
normal processing by returning null. They are not bypasable by ordained route. We should shut
down this avenue.
> The preCompact at least may be new coming in with:
> {code}
> tree dbf13093842f85a713f023d7219caccf8f4eb05f
> parent a4dcf51415616772e462091ce93622f070ea8810
> author zhangduo <zhangduo@apache.org> Sat Apr 9 16:18:08 2016 +0800
> committer zhangduo <zhangduo@apache.org> Sun Apr 10 09:26:28 2016 +0800
> HBASE-15527 Refactor Compactor related classes
> {code}
> Would have to dig in more to figure for sure.



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