[Bugs] [Bug 1644629] New: [rpcsvc] Single request Queue for all event threads is a performance bottleneck

bugzilla at redhat.com bugzilla at redhat.com
Wed Oct 31 09:36:39 UTC 2018


https://bugzilla.redhat.com/show_bug.cgi?id=1644629

            Bug ID: 1644629
           Summary: [rpcsvc] Single request Queue for all event threads is
                    a performance bottleneck
           Product: GlusterFS
           Version: mainline
         Component: rpc
          Assignee: bugs at gluster.org
          Reporter: rgowdapp at redhat.com
                CC: bugs at gluster.org



Description of problem:

https://review.gluster.org/17105 brought in a change where requests are queued
by event-threads and the queue is drained by rpcsvc-request-handler threads.
With increasing server event threads, the single queue becomes a bottleneck due
to contention involved in queueing and dequing requests. A better solution
would be to let each pair of (event-thread, rpcsvc-request-handler-thread) to
have its own queue to reduce contention.

Version-Release number of selected component (if applicable):


How reproducible:


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Additional info:

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