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From "Hadoop QA (JIRA)" <j...@apache.org>
Subject [jira] [Commented] (HBASE-11573) Report age on eviction
Date Wed, 23 Jul 2014 00:34:40 GMT

    [ https://issues.apache.org/jira/browse/HBASE-11573?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=14071185#comment-14071185
] 

Hadoop QA commented on HBASE-11573:
-----------------------------------

{color:red}-1 overall{color}.  Here are the results of testing the latest attachment 
  http://issues.apache.org/jira/secure/attachment/12657235/11573v2.txt
  against trunk revision .
  ATTACHMENT ID: 12657235

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

    {color:green}+1 tests included{color}.  The patch appears to include 6 new or modified
tests.

    {color:red}-1 javac{color}.  The patch appears to cause mvn compile goal to fail.

    Compilation errors resume:
    [ERROR] COMPILATION ERROR : 
[ERROR] /home/jenkins/jenkins-slave/workspace/PreCommit-HBASE-Build/hbase-server/src/main/java/org/apache/hadoop/hbase/io/hfile/CacheStats.java:[233,9]
error: cannot find symbol
[ERROR]   symbol:   class AgeSnapshot
[ERROR]   symbol:   class AgeSnapshot
[ERROR]   symbol:   class AgeSnapshot
[ERROR]   symbol:   class AgeSnapshot
[ERROR]   symbol:   class AgeSnapshot
[ERROR]   symbol:   class AgeSnapshot
[ERROR]   symbol:   class AgeSnapshot
[ERROR]   symbol:   class AgeSnapshot
[ERROR] Failed to execute goal org.apache.maven.plugins:maven-compiler-plugin:2.5.1:compile
(default-compile) on project hbase-server: Compilation failure: Compilation failure:
[ERROR] /home/jenkins/jenkins-slave/workspace/PreCommit-HBASE-Build/hbase-server/src/main/java/org/apache/hadoop/hbase/io/hfile/CacheStats.java:[233,9]
error: cannot find symbol
[ERROR] symbol:   class AgeSnapshot
[ERROR] location: class CacheStats
[ERROR] /home/jenkins/jenkins-slave/workspace/PreCommit-HBASE-Build/hbase-server/target/generated-jamon/org/apache/hadoop/hbase/tmpl/regionserver/BlockCacheTmplImpl.java:[11,39]
error: cannot find symbol
[ERROR] symbol:   class AgeSnapshot
[ERROR] location: package org.apache.hadoop.hbase.io.hfile
[ERROR] /home/jenkins/jenkins-slave/workspace/PreCommit-HBASE-Build/hbase-server/target/generated-jamon/org/apache/hadoop/hbase/tmpl/regionserver/BlockCacheTmpl.java:[11,39]
error: cannot find symbol
[ERROR] symbol:   class AgeSnapshot
[ERROR] location: package org.apache.hadoop.hbase.io.hfile
[ERROR] /home/jenkins/jenkins-slave/workspace/PreCommit-HBASE-Build/hbase-server/src/main/java/org/apache/hadoop/hbase/io/hfile/BlockCacheUtil.java:[271,11]
error: cannot find symbol
[ERROR] symbol:   class AgeSnapshot
[ERROR] location: class CachedBlocksByFile
[ERROR] /home/jenkins/jenkins-slave/workspace/PreCommit-HBASE-Build/hbase-server/src/main/java/org/apache/hadoop/hbase/io/hfile/CacheStats.java:[110,4]
error: cannot find symbol
[ERROR] symbol:   class AgeSnapshot
[ERROR] location: class CacheStats
[ERROR] /home/jenkins/jenkins-slave/workspace/PreCommit-HBASE-Build/hbase-server/src/main/java/org/apache/hadoop/hbase/io/hfile/CacheStats.java:[234,15]
error: cannot find symbol
[ERROR] symbol:   class AgeSnapshot
[ERROR] location: class CacheStats
[ERROR] /home/jenkins/jenkins-slave/workspace/PreCommit-HBASE-Build/hbase-server/src/main/java/org/apache/hadoop/hbase/io/hfile/BlockCacheUtil.java:[272,17]
error: cannot find symbol
[ERROR] symbol:   class AgeSnapshot
[ERROR] location: class CachedBlocksByFile
[ERROR] /home/jenkins/jenkins-slave/workspace/PreCommit-HBASE-Build/hbase-server/target/generated-jamon/org/apache/hadoop/hbase/tmpl/regionserver/BlockCacheTmplImpl.java:[265,2]
error: cannot find symbol
[ERROR] symbol:   class AgeSnapshot
[ERROR] location: class BlockCacheTmplImpl
[ERROR] /home/jenkins/jenkins-slave/workspace/PreCommit-HBASE-Build/hbase-server/target/generated-jamon/org/apache/hadoop/hbase/tmpl/regionserver/BlockCacheTmplImpl.java:[454,2]
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/10151//console

This message is automatically generated.

> Report age on eviction
> ----------------------
>
>                 Key: HBASE-11573
>                 URL: https://issues.apache.org/jira/browse/HBASE-11573
>             Project: HBase
>          Issue Type: Sub-task
>          Components: BlockCache
>            Reporter: stack
>            Assignee: stack
>             Fix For: 0.99.0, 2.0.0
>
>         Attachments: 11573.txt, 11573v2.txt, Screen Shot 2014-07-22 at 5.17.27 PM.png
>
>
> From the parent issue, Todd reminds us of the old Jim Gray '5 minute rule' on whether
to cache.
> In master, we were reporting age only it was the inactionable inverse of 'how long blocks
are staying in the cache'.
> Let me add to our cache stats a histogram of age on eviction and change the UI reporting
so it is age at eviction (plus stddev).  The JSON version has percentiles (and if wanted,
the old age report of age of items in cache).



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