[Gluster-users] Tunning GlusterFS

[Bryan Whitehead]

Many small files is in general not going to give you good performance
- a lot of time is spent locking each individual file (and directory)
as it is written.

You would see vast improvements simply by cramming all the small files
into a big file (obviously this would require changes in the
application).


On Fri, Aug 2, 2013 at 6:12 AM, Victor Hugo Martinucci Belizário
<vbelizario at tray.net.br> wrote:
>
>
> -- Hey Masters!
>
> Please help me.
>
> I'm testing GlusterFs on company, working with 2 milions of small files,
> total size its 200 GB.
> GlusterFs its a very powerfull toll to sync and replicate files, and i
> decide to try it.
> The files are in the server srv01, and i did create the server srv02 to
> replicate the files and initialize the sync between him.
> Created the volume, started the volume and the sync are ok.
>
> But...after 5 hours, just 2 GB of files are in the srv02. The sync its very
> very slow...less 1 MB/s.
>
> 2 Questions:
>
> 1) In the tunning options, what are the better options to tunning the volume
> to this cenario, a lot of small files with glusterFS ?
>
> 2) i have read in some site, when a client read a file, the Gluster check
> all servers for the file integrity, and this make more slow the process. How
> i can turn off this feature?
>
> Thanks Very Much,
>
> Victor
>
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