No, you don't need to do any of that. Just executing volume-set commands is sufficient for the changes to take effect.
-KrutikaOn Wed, Jun 21, 2017 at 3:48 PM, Chris Boot <bootc@xxxxxxxxx> wrote:
[replying to lists this time]
On 20/06/17 11:23, Krutika Dhananjay wrote:
> Couple of things:
>
> 1. Like Darrell suggested, you should enable stat-prefetch and increase
> client and server event threads to 4.
> # gluster volume set <VOL> performance.stat-prefetch on
> # gluster volume set <VOL> client.event-threads 4
> # gluster volume set <VOL> server.event-threads 4
>
> 2. Also glusterfs-3.10.1 and above has a shard performance bug fix -
> https://review.gluster.org/#/c/16966/
>
> With these two changes, we saw great improvement in performance in our
> internal testing.
Hi Krutika,
Thanks for your input. I have yet to run any benchmarks, but I'll do
that once I have a bit more time to work on this.
I've tweaked the options as you suggest, but that doesn't seem to have
made an appreciable difference. I admit that without benchmarks it's a
bit like sticking your finger in the air, though. Do I need to restart
my bricks and/or remount the volumes for these to take effect?
I'm actually running GlusterFS 3.10.2-1. This is all coming from the
CentOS Storage SIG's centos-release-gluster310 repository.
Thanks again.
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