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Posted to commits@cassandra.apache.org by "C. Scott Andreas (JIRA)" <ji...@apache.org> on 2018/11/19 06:08:01 UTC

[jira] [Updated] (CASSANDRA-6288) Make compaction a priority queue

     [ https://issues.apache.org/jira/browse/CASSANDRA-6288?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel ]

C. Scott Andreas updated CASSANDRA-6288:
----------------------------------------
    Component/s: Compaction

> Make compaction a priority queue
> --------------------------------
>
>                 Key: CASSANDRA-6288
>                 URL: https://issues.apache.org/jira/browse/CASSANDRA-6288
>             Project: Cassandra
>          Issue Type: Wish
>          Components: Compaction
>            Reporter: Jonathan Ellis
>            Assignee: Jeff Jirsa
>            Priority: Minor
>              Labels: compaction
>
> We should prioritize compacting CFs by how many reads/s its preferred candidate would save, divided by the number of bytes in the sstables.
> (Note that STCS currently divides by number of keys; ISTM that bytes will work better since that does not penalize narrow rows.)



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