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From "Hadoop QA (JIRA)" <j...@apache.org>
Subject [jira] [Commented] (HDFS-11537) Block Storage : add cache layer
Date Thu, 23 Mar 2017 22:28:41 GMT

    [ https://issues.apache.org/jira/browse/HDFS-11537?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=15939341#comment-15939341
] 

Hadoop QA commented on HDFS-11537:
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| (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  8s{color} | {color:red}
HDFS-11537 does not apply to trunk. Rebase required? Wrong Branch? See https://wiki.apache.org/hadoop/HowToContribute
for help. {color} |
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|| Subsystem || Report/Notes ||
| JIRA Issue | HDFS-11537 |
| JIRA Patch URL | https://issues.apache.org/jira/secure/attachment/12860238/HDFS-11537-HDSF-7240.003.patch
|
| Console output | https://builds.apache.org/job/PreCommit-HDFS-Build/18816/console |
| Powered by | Apache Yetus 0.5.0-SNAPSHOT   http://yetus.apache.org |


This message was automatically generated.



> Block Storage : add cache layer
> -------------------------------
>
>                 Key: HDFS-11537
>                 URL: https://issues.apache.org/jira/browse/HDFS-11537
>             Project: Hadoop HDFS
>          Issue Type: Sub-task
>          Components: hdfs
>            Reporter: Chen Liang
>            Assignee: Chen Liang
>         Attachments: HDFS-11537-HDSF-7240.001.patch, HDFS-11537-HDSF-7240.002.patch,
HDFS-11537-HDSF-7240.003.patch
>
>
> This JIRA adds the cache layer. Specifically, this JIRA implements the cache interface
in HDFS-11361 and adds the code that actually talks to containers. The upper layer can simply
view the storage as a cache with simple put and get interface, while in the backend the get
and put are actually talking to containers. This is a critical part to the cblock performance.




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