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https://issues.apache.org/jira/browse/HBASE-15296?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=15236215#comment-15236215
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Hadoop QA commented on HBASE-15296:
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| (x) *{color:red}-1 overall{color}* |
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|| Vote || Subsystem || Runtime || Comment ||
| {color:red}-1{color} | {color:red} patch {color} | {color:red} 0m 5s {color} 
| {color:red} HBASE-15296 does not apply to master. Rebase required? Wrong 
Branch? See https://yetus.apache.org/documentation/0.2.1/precommit-patchnames 
for help. {color} |
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|| Subsystem || Report/Notes ||
| JIRA Patch URL | 
https://issues.apache.org/jira/secure/attachment/12798142/HBASE-15296-master-v2.patch
 |
| JIRA Issue | HBASE-15296 |
| Console output | 
https://builds.apache.org/job/PreCommit-HBASE-Build/1364/console |
| Powered by | Apache Yetus 0.2.1   http://yetus.apache.org |


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> Break out writer and reader from StoreFile
> ------------------------------------------
>
>                 Key: HBASE-15296
>                 URL: https://issues.apache.org/jira/browse/HBASE-15296
>             Project: HBase
>          Issue Type: Improvement
>          Components: regionserver
>            Reporter: Appy
>            Assignee: Appy
>         Attachments: HBASE-15296-branch-1.1.patch, 
> HBASE-15296-branch-1.2.patch, HBASE-15296-branch-1.patch, 
> HBASE-15296-master-v2.patch, HBASE-15296-master.patch
>
>
> StoreFile.java is trending to become a monolithic class, it's ~1800 lines. 
> Would it make sense to break out reader and writer (~500 lines each) into 
> separate files.
> We are doing so many different things in a single class: comparators, reader, 
> writer, other stuff; and it hurts readability a lot, to the point that just 
> reading through a piece of code require scrolling up and down to see which 
> level (reader/writer/base class level) it belongs to. These small-small 
> things really don't help while trying to understanding the code. There are 
> good reasons we don't do these often (affects existing patches, needs to be 
> done for all branches, etc). But this and a few other classes can really use 
> a single iteration of refactoring to make things a lot better.



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