[Gluster-users] Maximising Heal Speed

Serkan Çoban cobanserkan at gmail.com
Thu Apr 14 12:28:12 UTC 2016


Hi Pranith,

Sure I can test it but not on physical nodes, doing tests on VMs ok for you?
But at the end I can upgrade to 3.7.13 and do tests on physical nodes too.

On Thu, Apr 14, 2016 at 2:04 PM, Pranith Kumar Karampuri
<pkarampu at redhat.com> wrote:
>
>
> On 04/14/2016 04:15 PM, Serkan Çoban wrote:
>>>>>
>>>>> 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.
>>
>> Will multi thread self heal work for disperse volumes? what is the blog
>> address?
>
>
> hi Serkan,
>      At the moment we are enabling multi-threaded self-heal for only
> replicate volumes, mainly because we didn't get enough time to test the
> changes with disperse volumes. Do you want to help out with testing
> multi-threaded heal in disperse volumes? I can provide a patch which does
> this. We can may be target this for 3.7.13 based on your inputs?
>
> Pranith
>
>>
>> On Thu, Apr 14, 2016 at 12:44 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,
>>>>
>>> _______________________________________________
>>> Gluster-users mailing list
>>> Gluster-users at gluster.org
>>> http://www.gluster.org/mailman/listinfo/gluster-users
>
>


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