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https://issues.apache.org/jira/browse/CASSANDRA-9318?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=14532930#comment-14532930
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Jonathan Ellis commented on CASSANDRA-9318:
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I'm sure someone out there has made C* OOM with huge read requests but it's
almost always with writes that I see the problem in the wild. So I'm totally
fine with adding a coordinator bound on writes for 2.1 while recognizing that
it doesn't help much for reads. That will definitely be better than nothing,
and we can revisit for 3.x with something more sophisticated.
> 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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