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From "Dikang Gu (JIRA)" <j...@apache.org>
Subject [jira] [Commented] (CASSANDRA-11550) Make the fanout size for LeveledCompactionStrategy to be configurable
Date Sun, 16 Oct 2016 19:58:20 GMT

    [ https://issues.apache.org/jira/browse/CASSANDRA-11550?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=15580452#comment-15580452
] 

Dikang Gu commented on CASSANDRA-11550:
---------------------------------------

rebase on trunk, https://github.com/DikangGu/cassandra/commit/c705ff2c28e8c5d52e44d6c3176f7b0fd34b0259

> Make the fanout size for LeveledCompactionStrategy to be configurable
> ---------------------------------------------------------------------
>
>                 Key: CASSANDRA-11550
>                 URL: https://issues.apache.org/jira/browse/CASSANDRA-11550
>             Project: Cassandra
>          Issue Type: New Feature
>          Components: Compaction
>            Reporter: Dikang Gu
>            Assignee: Dikang Gu
>              Labels: lcs
>             Fix For: 3.x
>
>         Attachments: bytes_compacted.png, cpu_nice.png, write_amplification.png
>
>
> Currently, the fanout size for LeveledCompactionStrategy is hard coded in the system
(10). It would be useful to make the fanout size to be tunable, so that we can change it according
to different use cases.
> Further more, we can change the size dynamically.



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