[Gluster-users] Maximising Heal Speed

Krutika Dhananjay kdhananj at redhat.com
Thu Apr 14 09:47:15 UTC 2016


Hi,

Just curious, are you seeing poor heal performance of VMs by any chance in
3.7.9 *even* with sharding?

-Krutika

On Thu, Apr 14, 2016 at 3:14 PM, Pranith Kumar Karampuri <
pkarampu at redhat.com> wrote:

>
>
> On 04/14/2016 09:46 AM, Lindsay Mathieson wrote:
>
>> Sorry to bring this up again, but I never did figure out the right
>> settings for this.
>>
>> If I reboot a gluster node for a rep 3 volume, what are the settings
>> for maximising heal speed, assuming ones not worried about i/o or cpu
>>
>> Gluster 3.7.9
>> Sharded volume (4MB)
>>
> The only benefit you get over replicate volumes without sharding is that
> only the shards which changed when the brick rebooted are healed instead of
> whole VM image. Apart from that I don't see any settings that will improve
> heal speed. You wait for 3.7.12. We are almost done backporting
> multi-threaded self-heal. I am in the process of writing a blog-post to
> give full idea about this one.
>
> Pranith
>
>>
>> thanks,
>>
>>
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