[Gluster-users] Sharding?

[Vijay Bellur]

On Thu, Mar 9, 2017 at 11:10 AM, Kevin Lemonnier <lemonnierk at ulrar.net>
wrote:

> > I've seen the term sharding pop up on the list a number of times but I
> > haven't found any documentation or explanation of what it is. Would
> someone
> > please enlighten me?
>
> It's a way to split the files you put on the volume. With a shard size of
> 64 MB
> for example, the biggest file on the volume will be 64 MB. It's transparent
> when accessing the files though, you can still of course write your 2 TB
> file
> and access it as usual.
>
> It's usefull for things like healing (only the shard being headed is
> locked,
> and you have a lot less data to transfert) and for things like hosting a
> single
> huge file that would be bigger than one of your replicas.
>
> We use it for VM disks, as it decreases heal times a lot.
>
>

Some more details on sharding can be found at [1].

Regards,
Vijay

[1] http://blog.gluster.org/2015/12/introducing-shard-translator/
-------------- next part --------------
An HTML attachment was scrubbed...
URL: <http://lists.gluster.org/pipermail/gluster-users/attachments/20170309/677c7249/attachment.html>