Re: [BackupPC-users] backupPC and NFS slow performance

NFS just isn't going to perform very well with lots of small files & directories, or other metadata-intensive operations.

I presume that the NFS server is an appliance of some sort (Netapp, etc), but if it's just a *nix server, running backuppc on the server would be much faster.

Dariusz Adamczyk wrote:

Hello, i tested BackupPC, and i would like to ask how to make better performance with NFS.
I have local server and backuppc on it, and I want to save backup on NFS (mounted to this server). I tweaked NFS mount with noatime,nodiratime,rsize=65536,wsize=65536 (i have gigabit connection) but transfer is very low. I tried tar and rsync option and i dont see any differences, Since nfs dont allow me to set owner and group on it I disabled this options in config and simillar to this. i turned off compression. I have a lot of small files and dir. i dont have idea what can I tweak..

After all tweaks stats are: 16GB in 512min! it says 1.8Mb/s .

--
Dan Pritts
ICPSR Computing & Network Services
University of Michigan

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