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From "Hadoop QA (JIRA)" <j...@apache.org>
Subject [jira] [Commented] (HBASE-18294) Reduce global heap pressure: flush based on heap occupancy
Date Wed, 15 Nov 2017 11:02:00 GMT

    [ https://issues.apache.org/jira/browse/HBASE-18294?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=16253283#comment-16253283
] 

Hadoop QA commented on HBASE-18294:
-----------------------------------

| (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-18294 does not apply to master. Rebase required? Wrong Branch? See https://yetus.apache.org/documentation/0.6.0/precommit-patchnames
for help. {color} |
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|| Subsystem || Report/Notes ||
| JIRA Issue | HBASE-18294 |
| JIRA Patch URL | https://issues.apache.org/jira/secure/attachment/12897727/HBASE-18294.03.patch
|
| Console output | https://builds.apache.org/job/PreCommit-HBASE-Build/9822/console |
| Powered by | Apache Yetus 0.6.0   http://yetus.apache.org |


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> Reduce global heap pressure: flush based on heap occupancy
> ----------------------------------------------------------
>
>                 Key: HBASE-18294
>                 URL: https://issues.apache.org/jira/browse/HBASE-18294
>             Project: HBase
>          Issue Type: Bug
>    Affects Versions: 3.0.0
>            Reporter: Eshcar Hillel
>            Assignee: Eshcar Hillel
>         Attachments: HBASE-18294.01.patch, HBASE-18294.02.patch, HBASE-18294.03.patch
>
>
> A region is flushed if its memory component exceed a threshold (default size is 128MB).
> A flush policy decides whether to flush a store by comparing the size of the store to
another threshold (that can be configured with hbase.hregion.percolumnfamilyflush.size.lower.bound).
> Currently the implementation (in both cases) compares the data size (key-value only)
to the threshold where it should compare the heap size (which includes index size, and metadata).



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