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https://issues.apache.org/jira/browse/HBASE-14978?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=15061759#comment-15061759
]
Hadoop QA commented on HBASE-14978:
-----------------------------------
{color:red}-1 overall{color}. Here are the results of testing the latest
attachment
http://issues.apache.org/jira/secure/attachment/12778213/HBASE-14978-branch-1.2.patch
against branch-1.2 branch at commit d78eddfdc8bad5068600e28a039276cc55063ce2.
ATTACHMENT ID: 12778213
{color:green}+1 @author{color}. The patch does not contain any @author
tags.
{color:green}+1 tests included{color}. The patch appears to include 4 new
or modified tests.
{color:red}-1 javac{color}. The patch appears to cause mvn compile goal to
fail with Hadoop version 2.4.0.
Compilation errors resume:
[ERROR] COMPILATION ERROR :
[ERROR]
/home/jenkins/jenkins-slave/workspace/PreCommit-HBASE-Build/hbase/hbase-server/src/test/java/org/apache/hadoop/hbase/client/TestMultiRespectsLimits.java:[78,38]
error: cannot find symbol
[ERROR] symbol: method getAdmin()
[ERROR] Failed to execute goal
org.apache.maven.plugins:maven-compiler-plugin:2.5.1:testCompile
(default-testCompile) on project hbase-server: Compilation failure: Compilation
failure:
[ERROR]
/home/jenkins/jenkins-slave/workspace/PreCommit-HBASE-Build/hbase/hbase-server/src/test/java/org/apache/hadoop/hbase/client/TestMultiRespectsLimits.java:[78,38]
error: cannot find symbol
[ERROR] symbol: method getAdmin()
[ERROR] location: variable TEST_UTIL of type HBaseTestingUtility
[ERROR]
/home/jenkins/jenkins-slave/workspace/PreCommit-HBASE-Build/hbase/hbase-server/src/test/java/org/apache/hadoop/hbase/client/TestMultiRespectsLimits.java:[142,38]
error: cannot find symbol
[ERROR] -> [Help 1]
[ERROR]
[ERROR] To see the full stack trace of the errors, re-run Maven with the -e
switch.
[ERROR] Re-run Maven using the -X switch to enable full debug logging.
[ERROR]
[ERROR] For more information about the errors and possible solutions, please
read the following articles:
[ERROR] [Help 1]
http://cwiki.apache.org/confluence/display/MAVEN/MojoFailureException
[ERROR]
[ERROR] After correcting the problems, you can resume the build with the command
[ERROR] mvn <goals> -rf :hbase-server
Console output:
https://builds.apache.org/job/PreCommit-HBASE-Build/16901//console
This message is automatically generated.
> Don't allow Multi to retain too many blocks
> -------------------------------------------
>
> Key: HBASE-14978
> URL: https://issues.apache.org/jira/browse/HBASE-14978
> Project: HBase
> Issue Type: Improvement
> Affects Versions: 2.0.0, 1.2.0, 1.3.0
> Reporter: Elliott Clark
> Assignee: Elliott Clark
> Priority: Blocker
> Fix For: 1.2.0, 3.0.0, 1.3.0
>
> Attachments: HBASE-14978-branch-1.2.patch, HBASE-14978-v1.patch,
> HBASE-14978-v2.patch, HBASE-14978-v3.patch, HBASE-14978-v4.patch,
> HBASE-14978.patch
>
>
> Scans and Multi's have limits on the total size of cells that can be
> returned. However if those requests are not all pointing at the same blocks
> then the KeyValues can keep alive a lot more data than their size.
> Take the following example:
> A multi with a list of 10000 gets to a fat row. Each column being returned in
> in a different block. Each column is small 32 bytes or so.
> So the total cell size will be 32 * 10000 = ~320kb. However if each block is
> 128k then total retained heap size will be almost 2gigs.
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