[Bugs] [Bug 1245689] New: ec sequentializes all reads, limiting read throughtput

bugzilla at redhat.com bugzilla at redhat.com
Wed Jul 22 14:21:07 UTC 2015


https://bugzilla.redhat.com/show_bug.cgi?id=1245689

            Bug ID: 1245689
           Summary: ec sequentializes all reads, limiting read throughtput
           Product: GlusterFS
           Version: mainline
         Component: disperse
          Assignee: bugs at gluster.org
          Reporter: xhernandez at datalab.es
                CC: bugs at gluster.org, gluster-bugs at redhat.com



Description of problem:

ec needs to issue locks for reads, so it uses the same management functions
used for writes. This means that reads are sent one by one in sequence. Since
reads do not touch any state of the file, there could be multiple read requests
running at the same time, improving read performance.

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


How reproducible:


Steps to Reproduce:
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Actual results:


Expected results:


Additional info:

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