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https://issues.apache.org/jira/browse/HDFS-15497?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=17169218#comment-17169218
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Hadoop QA commented on HDFS-15497:
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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 10s{color} 
| {color:red} HDFS-15497 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-15497 |
| JIRA Patch URL | 
https://issues.apache.org/jira/secure/attachment/13008660/HDFS-15497.000.patch |
| Console output | 
https://ci-hadoop.apache.org/job/PreCommit-HDFS-Build/20/console |
| versions | git=2.17.1 |
| Powered by | Apache Yetus 0.12.0 https://yetus.apache.org |


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> Make snapshot limit on global as well per snapshot root directory configurable
> ------------------------------------------------------------------------------
>
>                 Key: HDFS-15497
>                 URL: https://issues.apache.org/jira/browse/HDFS-15497
>             Project: Hadoop HDFS
>          Issue Type: Sub-task
>          Components: snapshots
>    Affects Versions: 3.4.0
>            Reporter: Shashikant Banerjee
>            Assignee: Shashikant Banerjee
>            Priority: Major
>         Attachments: HDFS-15497.000.patch
>
>
> Currently, there is no configurable limit imposed on the no of snapshots 
> remaining in the system neither on the filesystem level nor on a snaphottable 
> root directory. Too many snapshots in the system can potentially bloat up the 
> namespace and with ordered deletion feature on , too many snapshots per 
> snapshottable root directory will make the deletion of the oldest snapshot 
> more expensive. This Jira aims to impose these configurable limits .



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