[Bugs] [Bug 1708058] New: io-threads xlator doesn't scale threads in some situations

bugzilla at redhat.com bugzilla at redhat.com
Thu May 9 05:29:49 UTC 2019


https://bugzilla.redhat.com/show_bug.cgi?id=1708058

            Bug ID: 1708058
           Summary: io-threads xlator doesn't scale threads in some
                    situations
           Product: GlusterFS
           Version: mainline
            Status: NEW
         Component: io-threads
          Assignee: bugs at gluster.org
          Reporter: pkarampu at redhat.com
                CC: bugs at gluster.org
  Target Milestone: ---
    Classification: Community



Description of problem:

I was working on a .t where two requests are wound one after the other, the
first fop that is wound takes more than a second(because of delay-gen) and the
next doesn't. This was leading to both the fops taking delay-duration seconds
instead of second fop unwinding earlier than the first one. When I debugged it,
I found that io-threads is not matching threads to number of fops even when it
can. The .t that I am working on for another bz will be updated at
https://review.gluster.org/c/glusterfs/+/22674

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


How reproducible:

Always.

Steps to Reproduce:
1.
2.
3.

Actual results:


Expected results:


Additional info:

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