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Posted to commits@cassandra.apache.org by "Daisy Bridwell (Jira)" <ji...@apache.org> on 2020/04/11 08:10:00 UTC

[jira] [Assigned] (CASSANDRA-15392) Pool Merge Iterators

     [ https://issues.apache.org/jira/browse/CASSANDRA-15392?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel ]

Daisy Bridwell reassigned CASSANDRA-15392:
------------------------------------------

    Assignee: Daisy Bridwell  (was: Blake Eggleston)

> Pool Merge Iterators
> --------------------
>
>                 Key: CASSANDRA-15392
>                 URL: https://issues.apache.org/jira/browse/CASSANDRA-15392
>             Project: Cassandra
>          Issue Type: Sub-task
>          Components: Local/Compaction
>            Reporter: Blake Eggleston
>            Assignee: Daisy Bridwell
>            Priority: Normal
>             Fix For: 4.0
>
>
> By pooling merge iterators, instead of creating new ones each time we need them, we can reduce garbage on the compaction and read paths under relevant workloads by ~4% in many cases.



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