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From "Hadoop QA (JIRA)" <j...@apache.org>
Subject [jira] [Commented] (HBASE-12393) The regionserver web will throw exception if we disable block cache
Date Fri, 16 Jan 2015 22:48:35 GMT

    [ https://issues.apache.org/jira/browse/HBASE-12393?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=14280941#comment-14280941
] 

Hadoop QA commented on HBASE-12393:
-----------------------------------

{color:red}-1 overall{color}.  Here are the results of testing the latest attachment 
  http://issues.apache.org/jira/secure/attachment/12692833/HBASE-12393-master.patch
  against master branch at commit af725a0357efa01f276f2fe15518e6e119b89e45.
  ATTACHMENT ID: 12692833

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

    {color:green}+1 tests included{color}.  The patch appears to include 3 new or modified
tests.

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

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

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

    {color:green}+1 checkstyle{color}.  The applied patch does not increase the total number
of checkstyle errors

    {color:green}+1 findbugs{color}.  The patch does not introduce any new Findbugs (version
2.0.3) 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:
     

     {color:red}-1 core zombie tests{color}.  There are 2 zombie test(s): 	at org.apache.hadoop.hbase.client.TestRestoreSnapshotFromClient.testRestoreSchemaChange(TestRestoreSnapshotFromClient.java:195)
	at org.apache.hadoop.hbase.client.TestFromClientSide.testMajorCompactionBetweenTwoUpdates(TestFromClientSide.java:3812)

Test results: https://builds.apache.org/job/PreCommit-HBASE-Build/12491//testReport/
Findbugs warnings: https://builds.apache.org/job/PreCommit-HBASE-Build/12491//artifact/patchprocess/newPatchFindbugsWarningshbase-protocol.html
Findbugs warnings: https://builds.apache.org/job/PreCommit-HBASE-Build/12491//artifact/patchprocess/newPatchFindbugsWarningshbase-hadoop-compat.html
Findbugs warnings: https://builds.apache.org/job/PreCommit-HBASE-Build/12491//artifact/patchprocess/newPatchFindbugsWarningshbase-thrift.html
Findbugs warnings: https://builds.apache.org/job/PreCommit-HBASE-Build/12491//artifact/patchprocess/newPatchFindbugsWarningshbase-server.html
Findbugs warnings: https://builds.apache.org/job/PreCommit-HBASE-Build/12491//artifact/patchprocess/newPatchFindbugsWarningshbase-common.html
Findbugs warnings: https://builds.apache.org/job/PreCommit-HBASE-Build/12491//artifact/patchprocess/newPatchFindbugsWarningshbase-hadoop2-compat.html
Findbugs warnings: https://builds.apache.org/job/PreCommit-HBASE-Build/12491//artifact/patchprocess/newPatchFindbugsWarningshbase-rest.html
Findbugs warnings: https://builds.apache.org/job/PreCommit-HBASE-Build/12491//artifact/patchprocess/newPatchFindbugsWarningshbase-examples.html
Findbugs warnings: https://builds.apache.org/job/PreCommit-HBASE-Build/12491//artifact/patchprocess/newPatchFindbugsWarningshbase-client.html
Findbugs warnings: https://builds.apache.org/job/PreCommit-HBASE-Build/12491//artifact/patchprocess/newPatchFindbugsWarningshbase-prefix-tree.html
Findbugs warnings: https://builds.apache.org/job/PreCommit-HBASE-Build/12491//artifact/patchprocess/newPatchFindbugsWarningshbase-annotations.html
Checkstyle Errors: https://builds.apache.org/job/PreCommit-HBASE-Build/12491//artifact/patchprocess/checkstyle-aggregate.html

  Console output: https://builds.apache.org/job/PreCommit-HBASE-Build/12491//console

This message is automatically generated.

> The regionserver web will throw exception if we disable block cache
> -------------------------------------------------------------------
>
>                 Key: HBASE-12393
>                 URL: https://issues.apache.org/jira/browse/HBASE-12393
>             Project: HBase
>          Issue Type: Bug
>          Components: regionserver, UI
>    Affects Versions: 0.98.7
>         Environment: ubuntu 12.04 64bits, hadoop-2.2.0, hbase-0.98.7-hadoop2
>            Reporter: ChiaPing Tsai
>            Assignee: ChiaPing Tsai
>            Priority: Minor
>             Fix For: 1.0.0, 2.0.0, 0.98.10, 1.1.0
>
>         Attachments: HBASE-12393-master.patch, HBASE-12393.patch
>
>
> The CacheConfig.getBlockCache() will return the null point when we set hfile.block.cache.size
to zero.
> The BlockCacheTmpl.jamon doesn't make a check on null blockcache.
> {code}
> <%if cacheConfig == null %>
> <p>CacheConfig is null</p>
> <%else>
> <table class="table table-striped">
>     <tr>
>         <th>Attribute</th>
>         <th>Value</th>
>         <th>Description</th>
>     </tr>
>     <tr>
>         <td>Size</td>
>         <td><% StringUtils.humanReadableInt(cacheConfig.getBlockCache().size())
%></td>
>         <td>Total size of Block Cache (bytes)</td>
>     </tr>
>     <tr>
>         <td>Free</td>
>         <td><% StringUtils.humanReadableInt(cacheConfig.getBlockCache().getFreeSize())
%></td>
>         <td>Free space in Block Cache (bytes)</td>
>     </tr>
>     <tr>
>         <td>Count</td>
>         <td><% String.format("%,d", cacheConfig.getBlockCache().getBlockCount())
%></td>
>         <td>Number of blocks in Block Cache</td>
>     </tr>
>     <tr>
>         <td>Evicted</td>
>         <td><% String.format("%,d", cacheConfig.getBlockCache().getStats().getEvictedCount())
%></td>
>         <td>Number of blocks evicted</td>
>     </tr>
>     <tr>
>         <td>Evictions</td>
>         <td><% String.format("%,d", cacheConfig.getBlockCache().getStats().getEvictionCount())
%></td>
>         <td>Number of times an eviction occurred</td>
>     </tr>
>     <tr>
>         <td>Hits</td>
>         <td><% String.format("%,d", cacheConfig.getBlockCache().getStats().getHitCount())
%></td>
>         <td>Number requests that were cache hits</td>
>     </tr>
>     <tr>
>         <td>Hits Caching</td>
>         <td><% String.format("%,d", cacheConfig.getBlockCache().getStats().getHitCachingCount())
%></td>
>         <td>Cache hit block requests but only requests set to use Block Cache</td>
>     </tr>
>     <tr>
>         <td>Misses</td>
>         <td><% String.format("%,d", cacheConfig.getBlockCache().getStats().getMissCount())
%></td>
>         <td>Number of requests that were cache misses</td>
>     </tr>
>     <tr>
>         <td>Misses Caching</td>
>         <td><% String.format("%,d", cacheConfig.getBlockCache().getStats().getMissCount())
%></td>
>         <td>Block requests that were cache misses but only requests set to use
Block Cache</td>
>     </tr>
>     <tr>
>         <td>Hit Ratio</td>
>         <td><% String.format("%,.2f", cacheConfig.getBlockCache().getStats().getHitRatio()
* 100) %><% "%" %></td>
>         <td>Hit Count divided by total requests count</td>
>     </tr>
> {code}



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