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From "Jonathan Ellis (JIRA)" <j...@apache.org>
Subject [jira] [Commented] (CASSANDRA-8692) Coalesce intra-cluster network messages
Date Thu, 05 Mar 2015 16:05:40 GMT

    [ https://issues.apache.org/jira/browse/CASSANDRA-8692?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=14348992#comment-14348992
] 

Jonathan Ellis commented on CASSANDRA-8692:
-------------------------------------------

Ariel's earlier tests also showed much less gain in GCE than AWS.

Personally I think an optimization that only helps with crappy networks is still worth doing
simply because so many people do deploy on AWS.

> Coalesce intra-cluster network messages
> ---------------------------------------
>
>                 Key: CASSANDRA-8692
>                 URL: https://issues.apache.org/jira/browse/CASSANDRA-8692
>             Project: Cassandra
>          Issue Type: Improvement
>          Components: Core
>            Reporter: Ariel Weisberg
>            Assignee: Ariel Weisberg
>             Fix For: 2.1.4
>
>         Attachments: batching-benchmark.png
>
>
> While researching CASSANDRA-8457 we found that it is effective and can be done without
introducing additional latency at low concurrency/throughput.
> The patch from that was used and found to be useful in a real life scenario so I propose
we implement this in 2.1 in addition to 3.0.
> The change set is a single file and is small enough to be reviewable.



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