Francesco Nigro created ARTEMIS-3335:
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Summary: Improve Artemis Thread affinity
Key: ARTEMIS-3335
URL: https://issues.apache.org/jira/browse/ARTEMIS-3335
Project: ActiveMQ Artemis
Issue Type: New Feature
Components: Broker, Configuration
Reporter: Francesco Nigro
https://issues.apache.org/jira/browse/ARTEMIS-3303,
https://issues.apache.org/jira/browse/ARTEMIS-3289 and
https://issues.apache.org/jira/browse/ARTEMIS-3045 shown how much it worth to
improve the mechanical sympathy of broker, regardless specific hardware.
A well tuned broker can easily improve performance and helping users to expose
the right hook to perform programmatically and/or automatically such tunings is
a nice addition and traction for high-performance scenarios.
Thread affinity plays a big role on this and there are already Apache libraries
that could help setting it for specific thread pools in the broker (global
thread pool, I/O thread pool, netty acceptor thread pools, netty connector
thread pools, timed buffer thread, ASYNCIO background thread etc etc) eg
https://github.com/OpenHFT/Java-Thread-Affinity
There are other project that employ an ad-hoc affinity strategy eg Hazelcast,
failback to OpenFT one in case ad-hoc cannot be used (see
https://github.com/hazelcast/hazelcast/commit/a7e7defde2086b20a3af93e6d59ff4fadfd06ae4)
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