[jira] [Commented] (HBASE-14727) Add block cache stats for regions

["Hadoop QA (JIRA)" <ji...@apache.org>]

    [ https://issues.apache.org/jira/browse/HBASE-14727?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=14982271#comment-14982271 ] 

Hadoop QA commented on HBASE-14727:
-----------------------------------

{color:red}-1 overall{color}.  Here are the results of testing the latest attachment 
  http://issues.apache.org/jira/secure/attachment/12769719/HBASE-14727.patch
  against master branch at commit 84f4cceb485379d080ec9fb000c9ce5a77638d89.
  ATTACHMENT ID: 12769719

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

    {color:green}+1 tests included{color}.  The patch appears to include 32 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-external-blockcache/src/main/java/org/apache/hadoop/hbase/io/hfile/MemcachedBlockCache.java:[75,41] no suitable constructor found for CacheStats(java.lang.String)
[ERROR] Failed to execute goal org.apache.maven.plugins:maven-compiler-plugin:3.2:compile (default-compile) on project hbase-external-blockcache: Compilation failure
[ERROR] /home/jenkins/jenkins-slave/workspace/PreCommit-HBASE-Build/hbase/hbase-external-blockcache/src/main/java/org/apache/hadoop/hbase/io/hfile/MemcachedBlockCache.java:[75,41] no suitable constructor found for CacheStats(java.lang.String)
[ERROR] constructor org.apache.hadoop.hbase.io.hfile.CacheStats.CacheStats(org.apache.hadoop.conf.Configuration,java.lang.String,int) is not applicable
[ERROR] (actual and formal argument lists differ in length)
[ERROR] constructor org.apache.hadoop.hbase.io.hfile.CacheStats.CacheStats(org.apache.hadoop.conf.Configuration,java.lang.String) is not applicable
[ERROR] (actual and formal argument lists differ in length)
[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-external-blockcache
    

Console output: https://builds.apache.org/job/PreCommit-HBASE-Build/16301//console

This message is automatically generated.

> Add block cache stats for regions
> ---------------------------------
>
>                 Key: HBASE-14727
>                 URL: https://issues.apache.org/jira/browse/HBASE-14727
>             Project: HBase
>          Issue Type: New Feature
>            Reporter: Eungsop Yoo
>            Priority: Minor
>         Attachments: HBASE-14727.patch, rs-web-ui.png
>
>
> The stats of block cache are calculated at region server level only. So at region level, we could not know about the numbers of blocks cached, the sizes of cached blocks, the numbers of cache hit, etc. I suggest to add the stats of block cache at region level.



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