[Bugs] [Bug 1200457] gluster performance issue as data is added to volume. tar extraction of files goes from 1-minute on empty volume to 20-minutes on volume with 40TB.

bugzilla at redhat.com bugzilla at redhat.com
Fri Aug 12 03:19:10 UTC 2016


https://bugzilla.redhat.com/show_bug.cgi?id=1200457



--- Comment #19 from Pranith Kumar K <pkarampu at redhat.com> ---
Manoj,
      This is interesting data and I wonder if you got a chance to gather
strace output from the brick using "strace -ff -T -p <pid-of-brick> -o
<path-to-the-file-where-you-want-the-output-saved>`" This actually gives the
time it spends in each of the syscalls. It would be interesting to know what
kind of syscalls are leading to this problem. What do you think?

Pranith

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