[jira] [Updated] (CASSANDRA-13022) CompactionTask should factor in the disk space that may be used by other compactions

["C. Scott Andreas (JIRA)" <ji...@apache.org>]

     [ https://issues.apache.org/jira/browse/CASSANDRA-13022?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel ]

C. Scott Andreas updated CASSANDRA-13022:
-----------------------------------------
    Component/s: Compaction

> CompactionTask should factor in the disk space that may be used by other compactions
> ------------------------------------------------------------------------------------
>
>                 Key: CASSANDRA-13022
>                 URL: https://issues.apache.org/jira/browse/CASSANDRA-13022
>             Project: Cassandra
>          Issue Type: Bug
>          Components: Compaction
>            Reporter: Jon Haddad
>            Priority: Major
>
> It's possible for 2 compactions to be competing for an amount of disk space smaller than either one would take up by itself but enough so that the system runs out of disk.  
> Cassandra should:
> * factor in the estimated disk usage of current running compactions for each drive, and subtract that amount from the space available (do not overcommit)
> * detect when several compactions will be competing for space and prioritize ones that can complete given the space available.



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