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https://issues.apache.org/jira/browse/HBASE-18156?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=16038817#comment-16038817
 ] 

Hadoop QA commented on HBASE-18156:
-----------------------------------

| (x) *{color:red}-1 overall{color}* |
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|| Vote || Subsystem || Runtime || Comment ||
| {color:blue}0{color} | {color:blue} reexec {color} | {color:blue} 0m 12s 
{color} | {color:blue} Docker mode activated. {color} |
| {color:green}+1{color} | {color:green} hbaseanti {color} | {color:green} 0m 
0s {color} | {color:green} Patch does not have any anti-patterns. {color} |
| {color:green}+1{color} | {color:green} @author {color} | {color:green} 0m 0s 
{color} | {color:green} The patch does not contain any @author tags. {color} |
| {color:green}+1{color} | {color:green} test4tests {color} | {color:green} 0m 
0s {color} | {color:green} The patch appears to include 1 new or modified test 
files. {color} |
| {color:blue}0{color} | {color:blue} mvndep {color} | {color:blue} 0m 29s 
{color} | {color:blue} Maven dependency ordering for branch {color} |
| {color:green}+1{color} | {color:green} mvninstall {color} | {color:green} 3m 
44s {color} | {color:green} master passed {color} |
| {color:green}+1{color} | {color:green} compile {color} | {color:green} 0m 55s 
{color} | {color:green} master passed {color} |
| {color:green}+1{color} | {color:green} checkstyle {color} | {color:green} 1m 
52s {color} | {color:green} master passed {color} |
| {color:green}+1{color} | {color:green} mvneclipse {color} | {color:green} 0m 
34s {color} | {color:green} master passed {color} |
| {color:green}+1{color} | {color:green} findbugs {color} | {color:green} 2m 
33s {color} | {color:green} master passed {color} |
| {color:green}+1{color} | {color:green} javadoc {color} | {color:green} 0m 43s 
{color} | {color:green} master passed {color} |
| {color:blue}0{color} | {color:blue} mvndep {color} | {color:blue} 0m 12s 
{color} | {color:blue} Maven dependency ordering for patch {color} |
| {color:green}+1{color} | {color:green} mvninstall {color} | {color:green} 1m 
6s {color} | {color:green} the patch passed {color} |
| {color:green}+1{color} | {color:green} compile {color} | {color:green} 1m 4s 
{color} | {color:green} the patch passed {color} |
| {color:green}+1{color} | {color:green} javac {color} | {color:green} 1m 4s 
{color} | {color:green} the patch passed {color} |
| {color:green}+1{color} | {color:green} checkstyle {color} | {color:green} 1m 
46s {color} | {color:green} the patch passed {color} |
| {color:green}+1{color} | {color:green} mvneclipse {color} | {color:green} 0m 
28s {color} | {color:green} the patch passed {color} |
| {color:green}+1{color} | {color:green} whitespace {color} | {color:green} 0m 
0s {color} | {color:green} The patch has no whitespace issues. {color} |
| {color:green}+1{color} | {color:green} hadoopcheck {color} | {color:green} 
31m 55s {color} | {color:green} Patch does not cause any errors with Hadoop 
2.6.1 2.6.2 2.6.3 2.6.4 2.6.5 2.7.1 2.7.2 2.7.3 or 3.0.0-alpha2. {color} |
| {color:green}+1{color} | {color:green} findbugs {color} | {color:green} 2m 
45s {color} | {color:green} the patch passed {color} |
| {color:green}+1{color} | {color:green} javadoc {color} | {color:green} 0m 42s 
{color} | {color:green} the patch passed {color} |
| {color:red}-1{color} | {color:red} unit {color} | {color:red} 121m 18s 
{color} | {color:red} hbase-server in the patch failed. {color} |
| {color:green}+1{color} | {color:green} unit {color} | {color:green} 0m 25s 
{color} | {color:green} hbase-external-blockcache in the patch passed. {color} |
| {color:green}+1{color} | {color:green} asflicense {color} | {color:green} 0m 
33s {color} | {color:green} The patch does not generate ASF License warnings. 
{color} |
| {color:black}{color} | {color:black} {color} | {color:black} 173m 59s {color} 
| {color:black} {color} |
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|| Reason || Tests ||
| Failed junit tests | 
hadoop.hbase.master.procedure.TestMasterProcedureWalLease |
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|| Subsystem || Report/Notes ||
| Docker | Client=1.12.3 Server=1.12.3 Image:yetus/hbase:757bf37 |
| JIRA Patch URL | 
https://issues.apache.org/jira/secure/attachment/12871544/HBASE-18156.v2.patch |
| JIRA Issue | HBASE-18156 |
| Optional Tests |  asflicense  javac  javadoc  unit  findbugs  hadoopcheck  
hbaseanti  checkstyle  compile  |
| uname | Linux 545d7fe06f1c 3.13.0-105-generic #152-Ubuntu SMP Fri Dec 2 
15:37:11 UTC 2016 x86_64 x86_64 x86_64 GNU/Linux |
| Build tool | maven |
| Personality | 
/home/jenkins/jenkins-slave/workspace/PreCommit-HBASE-Build/component/dev-support/hbase-personality.sh
 |
| git revision | master / 8bfa8aa |
| Default Java | 1.8.0_131 |
| findbugs | v3.0.0 |
| unit | 
https://builds.apache.org/job/PreCommit-HBASE-Build/7101/artifact/patchprocess/patch-unit-hbase-server.txt
 |
| unit test logs |  
https://builds.apache.org/job/PreCommit-HBASE-Build/7101/artifact/patchprocess/patch-unit-hbase-server.txt
 |
|  Test Results | 
https://builds.apache.org/job/PreCommit-HBASE-Build/7101/testReport/ |
| modules | C: hbase-server hbase-external-blockcache U: . |
| Console output | 
https://builds.apache.org/job/PreCommit-HBASE-Build/7101/console |
| Powered by | Apache Yetus 0.3.0   http://yetus.apache.org |


This message was automatically generated.



> Provide a tool to show block cache summary
> ------------------------------------------
>
>                 Key: HBASE-18156
>                 URL: https://issues.apache.org/jira/browse/HBASE-18156
>             Project: HBase
>          Issue Type: New Feature
>    Affects Versions: 2.0.0, 1.4.0
>            Reporter: Allan Yang
>            Assignee: Allan Yang
>         Attachments: HBASE-18156.patch, HBASE-18156.v2.patch
>
>
> HBASE-17757 is already committed. But since there is no easy way to show the 
> size distribution of cached blocks, it is hard to decide the unified size 
> should be used. 
> Here I provide a tool to show the details of size distribution of cached 
> blocks. This tool is well used in our production environment. It is a jsp 
> page summaries the cache details like this 
> {code}
> BlockCache type:org.apache.hadoop.hbase.io.hfile.LruBlockCache
> LruBlockCache
> Total size:28.40 GB
> Current size:22.49 GB
> MetaBlock size:1.56 GB
> Free size:5.91 GB
> Block count:152684
> Size distribution summary:
> BlockCacheSizeDistributionSummary [0 B<=blocksize<4 KB, blocks=833, 
> heapSize=1.19 MB]
> BlockCacheSizeDistributionSummary [4 KB<=blocksize<8 KB, blocks=65, 
> heapSize=310.83 KB]
> BlockCacheSizeDistributionSummary [8 KB<=blocksize<12 KB, blocks=175, 
> heapSize=1.46 MB]
> BlockCacheSizeDistributionSummary [12 KB<=blocksize<16 KB, blocks=18, 
> heapSize=267.43 KB]
> BlockCacheSizeDistributionSummary [16 KB<=blocksize<20 KB, blocks=512, 
> heapSize=8.30 MB]
> BlockCacheSizeDistributionSummary [20 KB<=blocksize<24 KB, blocks=22, 
> heapSize=499.66 KB]
> BlockCacheSizeDistributionSummary [24 KB<=blocksize<28 KB, blocks=24, 
> heapSize=632.59 KB]
> BlockCacheSizeDistributionSummary [28 KB<=blocksize<32 KB, blocks=34, 
> heapSize=1.02 MB]
> BlockCacheSizeDistributionSummary [32 KB<=blocksize<36 KB, blocks=31, 
> heapSize=1.02 MB]
> BlockCacheSizeDistributionSummary [36 KB<=blocksize<40 KB, blocks=22, 
> heapSize=838.58 KB]
> BlockCacheSizeDistributionSummary [40 KB<=blocksize<44 KB, blocks=28, 
> heapSize=1.15 MB]
> {code}



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