[Ocfs2-users] Ocfs2 slowdowns, high amount of reads during writes
Andy
aryan1 at allantgroup.com
Fri Apr 12 08:43:53 PDT 2013
I previously wrote about slowdowns during writing and deleting files at
the same time on an OCFS2 volume. I've tried writeback, and it still
slows down a lot.
I have also been doing some testings on a 2TB ocfs2 volume on a SSD. I
was wondering how much better it would perform on an SSD. Unfortunately,
I have run into an issue on the SSD, where ocfs2 ends up doing a whole
ton of reads from the volume, and never gets much of a chance to write.
This happens when I access the volume from 2 systems at the same time.
My test scripts just use dd to write various sized files to various
directories. Why would ocfs2 start doing a whole bunch of reads?
Thanks,
Andy
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