Should we reduce MUTEX_RETRY_DELAY ?
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Key: TS-678
URL: https://issues.apache.org/jira/browse/TS-678
Project: Traffic Server
Issue Type: Improvement
Reporter: Leif Hedstrom
Fix For: 2.1.6
We have a define
#define MUTEX_RETRY_DELAY HRTIME_MSECONDS(20)
which might be overly long? A suggestion was to set it to 11ms. bcall reports
this being an issue with the old code base as well.
Long term (post v3.0) I believe John is considering changing several of these
locks in cache (and perhaps other areas) to be small critical sections, and
just plain locks (and not try-locks). So it's probably not wortwhile for v3.0
to spend significant time on the existing code (hence the quick and dirty
reduction in the delay).
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