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https://issues.apache.org/jira/browse/HBASE-15544?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=16069534#comment-16069534
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Hadoop QA commented on HBASE-15544:
-----------------------------------

| (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  
0s{color} | {color:blue} Docker mode activated. {color} |
| {color:red}-1{color} | {color:red} patch {color} | {color:red}  0m  5s{color} 
| {color:red} HBASE-15544 does not apply to master. Rebase required? Wrong 
Branch? See https://yetus.apache.org/documentation/0.4.0/precommit-patchnames 
for help. {color} |
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|| Subsystem || Report/Notes ||
| JIRA Issue | HBASE-15544 |
| JIRA Patch URL | 
https://issues.apache.org/jira/secure/attachment/12799374/HBASE-15544-v2.patch |
| Console output | 
https://builds.apache.org/job/PreCommit-HBASE-Build/7419/console |
| Powered by | Apache Yetus 0.4.0   http://yetus.apache.org |


This message was automatically generated.



> HFileReaderImpl.readBlock allocates memory for HFileBlock on every call
> -----------------------------------------------------------------------
>
>                 Key: HBASE-15544
>                 URL: https://issues.apache.org/jira/browse/HBASE-15544
>             Project: HBase
>          Issue Type: Sub-task
>          Components: Compaction
>            Reporter: Vladimir Rodionov
>            Assignee: Vladimir Rodionov
>         Attachments: HBASE-15544-v1.patch, HBASE-15544-v2.patch
>
>
> This accounts for 25% of memory allocation during compaction when compression 
> is enabled.



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