[jira] [Comment Edited] (HDFS-15479) Ordered snapshot deletion: make it a configurable feature

[Tsz-wo Sze (Jira)]

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https://issues.apache.org/jira/browse/HDFS-15479?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=17160772#comment-17160772
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Tsz-wo Sze edited comment on HDFS-15479 at 7/19/20, 5:52 PM:
-------------------------------------------------------------

h15479_20200719.patch: add a conf 

Will add a test.


was (Author: szetszwo):
h15479_20200719.patch: add a conf

> Ordered snapshot deletion: make it a configurable feature
> ---------------------------------------------------------
>
>                 Key: HDFS-15479
>                 URL: https://issues.apache.org/jira/browse/HDFS-15479
>             Project: Hadoop HDFS
>          Issue Type: Sub-task
>          Components: snapshots
>            Reporter: Tsz-wo Sze
>            Assignee: Tsz-wo Sze
>            Priority: Major
>         Attachments: h15479_20200719.patch
>
>
> Ordered snapshot deletion is a configurable feature.  In this JIRA, a conf is 
> added.
> When the feature is enabled, only the earliest snapshot can be deleted.  For 
> deleting the non-earliest snapshots, the behavior is temporarily changed to 
> throwing an exception in this JIRA.  In HDFS-15480, the behavior of deleting 
> the non-earliest snapshots will be changed to marking them as deleted.



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