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From "Hadoop QA (JIRA)" <j...@apache.org>
Subject [jira] [Commented] (HDFS-12348) disable removing blocks to trash while rolling upgrade
Date Thu, 24 Aug 2017 06:31:00 GMT

    [ https://issues.apache.org/jira/browse/HDFS-12348?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=16139619#comment-16139619
] 

Hadoop QA commented on HDFS-12348:
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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  5s{color} | {color:red}
HDFS-12348 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-12348 |
| JIRA Patch URL | https://issues.apache.org/jira/secure/attachment/12883479/HDFS-12348.001.patch
|
| Console output | https://builds.apache.org/job/PreCommit-HDFS-Build/20838/console |
| Powered by | Apache Yetus 0.6.0-SNAPSHOT   http://yetus.apache.org |


This message was automatically generated.



> disable removing blocks to trash while rolling upgrade
> ------------------------------------------------------
>
>                 Key: HDFS-12348
>                 URL: https://issues.apache.org/jira/browse/HDFS-12348
>             Project: Hadoop HDFS
>          Issue Type: New Feature
>          Components: datanode
>            Reporter: Jiandan Yang 
>            Assignee: Jiandan Yang 
>         Attachments: HDFS-12348.001.patch
>
>
> DataNode remove block file and meta file to trash while rolling upgrade,and do delete
when
> executing finalize. 
> This  leads disk of datanode to be full, because
> (1) frequently creating and deleting files(eg,Hbase compaction);
> (2) cluster is very big, and rolling upgrade often last several days;
> Current our solution is clean trash by hand, but this is very dangerous in product environment.

> we think disable trash of datanode maybe a good method to avoid disk to be full.



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