[Gluster-users] Tiering and sharding for VM workload

David Gossage dgossage at carouselchecks.com
Tue Sep 6 13:12:05 UTC 2016

On Tue, Sep 6, 2016 at 7:29 AM, Gandalf Corvotempesta <
gandalf.corvotempesta at gmail.com> wrote:

> Anybody?
While I have not tested it yet the 2 email chains I have seen from users
trying it is that the performance has been worse rather than any increased
benefit.   Perhaps those using it successfully are just quiet and haven't
responded when others had issues.

Il 05 set 2016 22:19, "Gandalf Corvotempesta" <gandalf.corvotempesta at gmail.
> com> ha scritto:
>> Is tiering with sharding usefull with VM workload?
>> Let's assume a storage with tiering and sharding enabled, used for
>> hosting VM images.
>> Each shard is subject to tiering, thus the most frequent part of the
>> VM would be cached on the SSD, allowing better performance.
>> Is this correct?
>> To put it simple, very simple, let's assume a webserver VM, with the
>> following directory structure:
>> /home/user1/public_html
>> /home/user2/public_html
>> both are stored on 2 different shards (i'm semplyfing).
>> /home/user1/public_html has much more visits than user2.
>> Would that shard cached on hot tier allowing faster access by the
>> webserver?
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