masaori335 opened a new pull request, #12794: URL: https://github.com/apache/trafficserver/pull/12794
I found that if `OpenDir` has own reader-writer lock, it doesn't need `StripeSM mutex`. This means we can avoid the StripeSM mutex lock contention issue for reader-while-writer cases. Benchmarking RWW is a bit tricky but one of benchmark says max rps is improved 9.9% in below conditions. Conditions: - 10 urls - plaintext http - response body size: 256 bytes - origin returns `Cache-Control: public, max-age=0` ///< some requests goes RWW path - 63 exec_thread - 40 stripes (8 disks x 5 volumes) Result: - vanilla: 58,220.9 req/s - patch: 63,999.7 req/s part of #12788 -- This is an automated message from the Apache Git Service. To respond to the message, please log on to GitHub and use the URL above to go to the specific comment. To unsubscribe, e-mail: [email protected] For queries about this service, please contact Infrastructure at: [email protected]
