[Gluster-users] Test results and Performance Tuning efforts ...

[Lindsay Mathieson]

On 13 October 2015 at 07:54, Ben Turner <bturner at redhat.com> wrote:

> Random IO has vastly improved with MT epoll introduced in 3.7, try a test
> on 3.7 with server and client event threads set to 4.  If you want to
> confirm this before you upgrade run top -H during your testing and look for
> a hot thread(single thread / CPU pegged at 100%).  If you see this during
> your runs on 3.6 then the MT epoll implementation in 3.7 will def help
> you out.
>


Not 100%, but it gets up to 90%

Oddly, the feature list seems to show it as being done in 3.6 (
http://www.gluster.org/community/documentation/index.php/Features/Feature_Smallfile_Perf#multi-thread-epoll
)

Seems to be causing 3.7.4 to crash regularly at the moment to :(


-- 
Lindsay
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