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Posted to commits@cassandra.apache.org by "Benedict (JIRA)" <ji...@apache.org> on 2015/05/06 19:45:00 UTC

[jira] [Commented] (CASSANDRA-9318) Bound the number of in-flight requests at the coordinator

    [ https://issues.apache.org/jira/browse/CASSANDRA-9318?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=14531020#comment-14531020 ] 

Benedict commented on CASSANDRA-9318:
-------------------------------------

We already impose a bound on "the number", based on number of concurrent client queries. Otherwise it looks like this is approximately a duplicate of CASSANDRA-8518?

> Bound the number of in-flight requests at the coordinator
> ---------------------------------------------------------
>
>                 Key: CASSANDRA-9318
>                 URL: https://issues.apache.org/jira/browse/CASSANDRA-9318
>             Project: Cassandra
>          Issue Type: Improvement
>            Reporter: Ariel Weisberg
>            Assignee: Ariel Weisberg
>             Fix For: 3.x
>
>
> It's possible to somewhat bound the amount of load accepted into the cluster by bounding the number of in-flight requests and request bytes.
> An implementation might do something like track the number of outstanding bytes and requests and if it reaches a high watermark disable read on client connections until it goes back below some low watermark.
> Need to make sure that disabling read on the client connection won't introduce other issues.



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