C. Scott Andreas updated CASSANDRA-7907:
    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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