[Gluster-devel] [Gluster-users] BoF - Gluster for VM store use case

[Alex K]

Yes, I would be interested to hear more on the findings. Let us know once
you have them.

On Nov 1, 2017 13:10, "Shyam Ranganathan" <srangana at redhat.com> wrote:

> On 10/31/2017 08:36 PM, Ben Turner wrote:
>
>> * Erasure coded volumes with sharding - seen as a good fit for VM disk
>>> storage
>>>
>> I am working on this with a customer, we have been able to do 400-500 MB
>> / sec writes!  Normally things max out at ~150-250.  The trick is to use
>> multiple files, create the lvm stack and use native LVM striping.  We have
>> found that 4-6 files seems to give the best perf on our setup.  I don't
>> think we are using sharding on the EC vols, just multiple files and LVM
>> striping.  Sharding may be able to avoid the LVM striping, but I bet
>> dollars to doughnuts you won't see this level of perf:)   I am working on a
>> blog post for RHHI and RHEV + RHS performance where I am able to in some
>> cases get 2x+ the performance out of VMs / VM storage.  I'd be happy to
>> share my data / findings.
>>
>>
> Ben, we would like to hear more, so please do share your thoughts further.
> There are a fair number of users in the community who have this use-case
> and may have some interesting questions around the proposed method.
>
> Shyam
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