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Posted to commits@cassandra.apache.org by "Jeff Jirsa (JIRA)" <ji...@apache.org> on 2018/02/26 07:52:00 UTC

[jira] [Updated] (CASSANDRA-14261) Compaction Profiling Improvements

     [ https://issues.apache.org/jira/browse/CASSANDRA-14261?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel ]

Jeff Jirsa updated CASSANDRA-14261:
-----------------------------------
    Status: Patch Available  (was: Open)

> Compaction Profiling Improvements
> ---------------------------------
>
>                 Key: CASSANDRA-14261
>                 URL: https://issues.apache.org/jira/browse/CASSANDRA-14261
>             Project: Cassandra
>          Issue Type: Improvement
>          Components: Compaction
>            Reporter: Jeff Jirsa
>            Assignee: Jeff Jirsa
>            Priority: Minor
>             Fix For: 4.x
>
>
> There's some low hanging fruit in some laptop compaction runs, such as creating a ton of the same object unnecessarily and hashing cell names repeatedly to see if a column is dropped even when we should know that the table has no dropped columns. 



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