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Posted to issues@trafficserver.apache.org by GitBox <gi...@apache.org> on 2022/01/11 13:05:23 UTC

[GitHub] [trafficserver] traeak opened a new issue #8598: proxy.config.http.cache.open_read_retry_time default value impractical

traeak opened a new issue #8598:
URL: https://github.com/apache/trafficserver/issues/8598


   The default value for proxy.config.http.cache.open_read_retry_time is 10ms.
   
   While running synthetic load testing simulating a thundering herd against a rotating manifest file I added debug into HttpCacheSM to printout time when read retries occurred.  On a broadwell xeon with nvme drives I was consistently seeing more than 900ms between these calls.  However under these conditions I was seeing at most 2-3 calls being made before the read lock was acquired.


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