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From "ASF GitHub Bot (Jira)" <j...@apache.org>
Subject [jira] [Updated] (CASSANDRA-13019) Improve clearsnapshot to delete the snapshot files slowly
Date Sun, 10 Nov 2019 05:20:00 GMT

     [ https://issues.apache.org/jira/browse/CASSANDRA-13019?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
]

ASF GitHub Bot updated CASSANDRA-13019:
---------------------------------------
    Labels: pull-request-available  (was: )

> Improve clearsnapshot to delete the snapshot files slowly 
> ----------------------------------------------------------
>
>                 Key: CASSANDRA-13019
>                 URL: https://issues.apache.org/jira/browse/CASSANDRA-13019
>             Project: Cassandra
>          Issue Type: Improvement
>          Components: Legacy/Core
>            Reporter: Dikang Gu
>            Assignee: Jeff Jirsa
>            Priority: Normal
>              Labels: pull-request-available
>             Fix For: 4.x
>
>
> In our environment, we are creating snapshots for backup, after we finish the backup,
we are running {{clearsnapshot}} to delete the snapshot files. At that time we may have thousands
of files to delete, and it's causing sudden disk usage spike. As a result, we are experiencing
a spike of drop messages from Cassandra.
> I think we should implement something like {{slowrm}} to delete the snapshot files slowly,
avoid the sudden disk usage spike.



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