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From "Hadoop QA (JIRA)" <j...@apache.org>
Subject [jira] [Commented] (HBASE-7725) Add ability to create custom compaction request
Date Thu, 21 Feb 2013 07:32:12 GMT

    [ https://issues.apache.org/jira/browse/HBASE-7725?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=13582983#comment-13582983
] 

Hadoop QA commented on HBASE-7725:
----------------------------------

{color:red}-1 overall{color}.  Here are the results of testing the latest attachment 
  http://issues.apache.org/jira/secure/attachment/12570269/hbase-7725-addenum.patch
  against trunk revision .

    {color:green}+1 @author{color}.  The patch does not contain any @author tags.

    {color:red}-1 tests included{color}.  The patch doesn't appear to include any new or modified
tests.
                        Please justify why no new tests are needed for this patch.
                        Also please list what manual steps were performed to verify this patch.

    {color:green}+1 hadoop2.0{color}.  The patch compiles against the hadoop 2.0 profile.

    {color:green}+1 javadoc{color}.  The javadoc tool did not generate any warning messages.

    {color:green}+1 javac{color}.  The applied patch does not increase the total number of
javac compiler warnings.

    {color:green}+1 findbugs{color}.  The patch does not introduce any new Findbugs (version
1.3.9) warnings.

    {color:green}+1 release audit{color}.  The applied patch does not increase the total number
of release audit warnings.

    {color:red}-1 lineLengths{color}.  The patch introduces lines longer than 100

    {color:green}+1 core tests{color}.  The patch passed unit tests in .

Test results: https://builds.apache.org/job/PreCommit-HBASE-Build/4481//testReport/
Findbugs warnings: https://builds.apache.org/job/PreCommit-HBASE-Build/4481//artifact/trunk/patchprocess/newPatchFindbugsWarningshbase-protocol.html
Findbugs warnings: https://builds.apache.org/job/PreCommit-HBASE-Build/4481//artifact/trunk/patchprocess/newPatchFindbugsWarningshbase-examples.html
Findbugs warnings: https://builds.apache.org/job/PreCommit-HBASE-Build/4481//artifact/trunk/patchprocess/newPatchFindbugsWarningshbase-hadoop1-compat.html
Findbugs warnings: https://builds.apache.org/job/PreCommit-HBASE-Build/4481//artifact/trunk/patchprocess/newPatchFindbugsWarningshbase-prefix-tree.html
Findbugs warnings: https://builds.apache.org/job/PreCommit-HBASE-Build/4481//artifact/trunk/patchprocess/newPatchFindbugsWarningshbase-common.html
Findbugs warnings: https://builds.apache.org/job/PreCommit-HBASE-Build/4481//artifact/trunk/patchprocess/newPatchFindbugsWarningshbase-server.html
Findbugs warnings: https://builds.apache.org/job/PreCommit-HBASE-Build/4481//artifact/trunk/patchprocess/newPatchFindbugsWarningshbase-hadoop-compat.html
Console output: https://builds.apache.org/job/PreCommit-HBASE-Build/4481//console

This message is automatically generated.
                
> Add ability to create custom compaction request
> -----------------------------------------------
>
>                 Key: HBASE-7725
>                 URL: https://issues.apache.org/jira/browse/HBASE-7725
>             Project: HBase
>          Issue Type: Bug
>          Components: Compaction, Coprocessors, regionserver
>            Reporter: Jesse Yates
>            Assignee: Jesse Yates
>             Fix For: 0.96.0, 0.94.6
>
>         Attachments: example.java, hbase-7725_0.94-v0.patch, hbase-7725-addenum.patch,
hbase-7725-v0.patch, hbase-7725-v1.patch, hbase-7725-v3.patch, hbase-7725-v4.patch, hbase-7725-v5.patch,
hbase-7725-v6.patch, hbase-7725_with-attributes-0.94-v0.patch, hbase-7725_with-attributes-0.94-v1.patch
>
>
> You can request that a compaction be started, but you can't be sure when that compaction
request completes. This is a simple update to the CompactionRequest interface and the compact-split
thread on the RS that doesn't actually impact the RS exposed interface.
> This is particularly useful for CPs so they can control starting/running a compaction.
> *Update - Better description (3/20/13):* 
> Enable coprocessors to submit custom compaction requests. 
> This compaction request is used (if not null) through the entire compaction process.
If no custom compaction request is submitted (its null - the normal case) then we we build
a new compaction request via the usual mechanisms in the Store. 
> Adding this mechanism is particularly useful when 'special' compactions are desired and
you want to do things like: only change certain files for a particularly requested compaction
or follow a single compaction through the queue.

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