[Lustre-discuss] number of inodes in zfs MDT

[Isaac Huang]

On Thu, Jun 12, 2014 at 04:41:14PM +0000, Dilger, Andreas wrote:
> It looks like you've already increased arc_meta_limit beyond the default, which is c_max / 4. That was critical to performance in our testing.
> 
> There is also a patch from Brian that should help performance in your case:
> http://review.whamcloud.com/10237

My understanding is that, without the patch above, increasing
arc_meta_limit would only delay the point when things begin to go
south.

-Isaac