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Date: Tue, 29 Apr 2014 21:39:16 +0000 (UTC)
From: "Hadoop QA (JIRA)" <jira@apache.org>
To: issues@hbase.apache.org
Message-ID: <JIRA.12705871.1396339199087.202446.1398807556626@arcas>
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References: <JIRA.12705871.1396339199087@arcas>
Subject: [jira] [Commented] (HBASE-10885) Support visibility expressions on
 Deletes
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    [ https://issues.apache.org/jira/browse/HBASE-10885?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=13984830#comment-13984830 ] 

Hadoop QA commented on HBASE-10885:
-----------------------------------

{color:red}-1 overall{color}.  Here are the results of testing the latest attachment 
  http://issues.apache.org/jira/secure/attachment/12642441/HBASE-10885_2.patch
  against trunk revision .
  ATTACHMENT ID: 12642441

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

    {color:green}+1 tests included{color}.  The patch appears to include 2 new or modified tests.

    {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:green}+1 lineLengths{color}.  The patch does not introduce lines longer than 100

  {color:green}+1 site{color}.  The mvn site goal succeeds with this patch.

     {color:red}-1 core tests{color}.  The patch failed these unit tests:
                       org.apache.hadoop.hbase.security.visibility.TestVisibilityLabels
                  org.apache.hadoop.hbase.security.visibility.TestVisibilityLabelsOpWithDifferentUsersNoACL
                  org.apache.hadoop.hbase.security.visibility.TestVisibilityLabelsWithDistributedLogReplay

Test results: https://builds.apache.org/job/PreCommit-HBASE-Build/9426//testReport/
Findbugs warnings: https://builds.apache.org/job/PreCommit-HBASE-Build/9426//artifact/trunk/patchprocess/newPatchFindbugsWarningshbase-protocol.html
Findbugs warnings: https://builds.apache.org/job/PreCommit-HBASE-Build/9426//artifact/trunk/patchprocess/newPatchFindbugsWarningshbase-thrift.html
Findbugs warnings: https://builds.apache.org/job/PreCommit-HBASE-Build/9426//artifact/trunk/patchprocess/newPatchFindbugsWarningshbase-client.html
Findbugs warnings: https://builds.apache.org/job/PreCommit-HBASE-Build/9426//artifact/trunk/patchprocess/newPatchFindbugsWarningshbase-hadoop2-compat.html
Findbugs warnings: https://builds.apache.org/job/PreCommit-HBASE-Build/9426//artifact/trunk/patchprocess/newPatchFindbugsWarningshbase-examples.html
Findbugs warnings: https://builds.apache.org/job/PreCommit-HBASE-Build/9426//artifact/trunk/patchprocess/newPatchFindbugsWarningshbase-prefix-tree.html
Findbugs warnings: https://builds.apache.org/job/PreCommit-HBASE-Build/9426//artifact/trunk/patchprocess/newPatchFindbugsWarningshbase-common.html
Findbugs warnings: https://builds.apache.org/job/PreCommit-HBASE-Build/9426//artifact/trunk/patchprocess/newPatchFindbugsWarningshbase-server.html
Findbugs warnings: https://builds.apache.org/job/PreCommit-HBASE-Build/9426//artifact/trunk/patchprocess/newPatchFindbugsWarningshbase-hadoop-compat.html
Console output: https://builds.apache.org/job/PreCommit-HBASE-Build/9426//console

This message is automatically generated.

> Support visibility expressions on Deletes
> -----------------------------------------
>
>                 Key: HBASE-10885
>                 URL: https://issues.apache.org/jira/browse/HBASE-10885
>             Project: HBase
>          Issue Type: Improvement
>    Affects Versions: 0.98.1
>            Reporter: Andrew Purtell
>            Assignee: ramkrishna.s.vasudevan
>            Priority: Critical
>             Fix For: 0.99.0, 0.98.2
>
>         Attachments: HBASE-10885_1.patch, HBASE-10885_2.patch
>
>
> Accumulo can specify visibility expressions for delete markers. During compaction the cells covered by the tombstone are determined in part by matching the visibility expression. This is useful for the use case of data set coalescing, where entries from multiple data sets carrying different labels are combined into one common large table. Later, a subset of entries can be conveniently removed using visibility expressions.
> Currently doing the same in HBase would only be possible with a custom coprocessor. Otherwise, a Delete will affect all cells covered by the tombstone regardless of any visibility expression scoping. This is correct behavior in that no data spill is possible, but certainly could be surprising, and is only meant to be transitional. We decided not to support visibility expressions on Deletes to control the complexity of the initial implementation.


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