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Posted to commits@cassandra.apache.org by "Kaide Mu (JIRA)" <ji...@apache.org> on 2016/03/24 23:13:25 UTC

[jira] [Commented] (CASSANDRA-8888) Disable internode compression by default

    [ https://issues.apache.org/jira/browse/CASSANDRA-8888?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=15211046#comment-15211046 ] 

Kaide Mu commented on CASSANDRA-8888:
-------------------------------------

Hi, I'm currently working on this issue, I have modified [cassandra/conf/cassandra.yaml|https://github.com/apache/cassandra/blob/trunk/conf/cassandra.yaml#L932] internode_compression option to dc only. Could you tell me if there are other changes required? Also I'm working on {{trunk}}, is that fine?

> Disable internode compression by default
> ----------------------------------------
>
>                 Key: CASSANDRA-8888
>                 URL: https://issues.apache.org/jira/browse/CASSANDRA-8888
>             Project: Cassandra
>          Issue Type: Improvement
>          Components: Streaming and Messaging
>            Reporter: Matt Stump
>              Labels: lhf
>             Fix For: 3.x
>
>
> Internode compression increases GC load, and can cause high CPU utilization for high throughput use cases. Very rarely are customers restricted by intra-DC or cross-DC network bandwidth. I'de rather we optimize for the 75% of cases where internode compression isn't needed and then selectively enable it for customers where it would provide a benefit. Currently I'm advising all field consultants disable compression by default.



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