Thanks, Greg.

Are there any recommended Ceph mds configs that can generally help Ceph to 
achieve better performance?

We are currently focusing on multi-mds and directory splitting.
Which options should we pay special attention to?

Cheers,

-- Qing

-----Original Message-----
From: Gregory Farnum [mailto:g...@inktank.com] 
Sent: Tuesday, April 15, 2014 5:02 PM
To: Qing Zheng
Cc: ceph-users@lists.ceph.com
Subject: Re: [ceph-users] ceph mds log

Don't do that. I'm pretty sure it doesn't actually work, and if it does it 
certainly won' perform better than with it off.
-Greg
Software Engineer #42 @ http://inktank.com | http://ceph.com


On Tue, Apr 15, 2014 at 1:53 PM, Qing Zheng <zhe...@cs.cmu.edu> wrote:
> Hi -
>
> We have a question on mds journaling.
>
> Is it okay to disable mds journaling in order to increase performance, 
> which means setting "mds log = false"?
>
> Is this journal required for one to run multi-mds as well as directory 
> splitting?
>
> Cheers,
>
> -- Qing
>
> _______________________________________________
> ceph-users mailing list
> ceph-users@lists.ceph.com
> http://lists.ceph.com/listinfo.cgi/ceph-users-ceph.com

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