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https://issues.apache.org/jira/browse/CASSANDRA-7907?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
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C. Scott Andreas updated CASSANDRA-7907:
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Component/s: CQL
> Determine how many network threads we need for native transport
> ---------------------------------------------------------------
>
> Key: CASSANDRA-7907
> URL: https://issues.apache.org/jira/browse/CASSANDRA-7907
> Project: Cassandra
> Issue Type: Improvement
> Components: CQL
> Reporter: Benedict
> Priority: Minor
>
> With the introduction of CASSANDRA-4718, it is highly likely we can cope with
> just _one_ network IO thread. We could even try pinning it to a single
> (optionally configurable) core, and (also optionally) pin all other threads
> to a different core, so that we can guarantee extremely prompt execution (and
> if pinned to the correct core the OS uses for managing the network, improve
> throughput further).
> Testing this out will be challenging, as we need to simulate clients from
> lots of IPs. However, it is quite likely this would reduce the percentage of
> time spent in kernel networking calls, and the amount of context switching.
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