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https://issues.apache.org/jira/browse/CASSANDRA-10575?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
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Robert Stupp resolved CASSANDRA-10575.
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Resolution: Duplicate
> Refactor storage protocol to use Netty instead of BIO
> -----------------------------------------------------
>
> Key: CASSANDRA-10575
> URL: https://issues.apache.org/jira/browse/CASSANDRA-10575
> Project: Cassandra
> Issue Type: Improvement
> Reporter: Robert Stupp
>
> Current storage protocol (everything beneath o.a.c.net) currently uses Java
> blocking I/O. I.e. {{InboundTcpConnection}} and {{OutboundTcpConnection}} use
> a dedicated Java thread per connection.
> Using NIO would reduce the number of threads as many threads can become a
> problem in bigger clusters.
> Migrating the code to Netty seems to be a prerequisite for thread-per-core
> model.
> The intention of this ticket is not to change the protocol itself as
> CASSANDRA-8971 would do.
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