Re: "Recommended" cache size on MDS

[Date Prev][Date Next][Thread Prev][Thread Next][Date Index][Thread Index]

 



On Wed, Apr 24, 2013 at 8:39 AM, Kevin Decherf <kevin@xxxxxxxxxxxx> wrote:
> Hey world,
>
> I know that this question is tricky since it depends on the cluster size
> and objects profiles.
>
> For those who are using CephFS, what is your working cache size on your
> cluster? What problems have you encountered with this configuration?
>
> And for InkTank, do you have any recommendation on the ratio cache
> size/total cluster size? Or any better ratio than others observed
> in your labs?

It's not about total cluster size but about the number of active
files, and the size of your directories. :)

That said, the default 100,000 inodes is a very conservative number;
you can probably go at least an order of magnitude higher.
-Greg
Software Engineer #42 @ http://inktank.com | http://ceph.com
_______________________________________________
ceph-users mailing list
ceph-users@xxxxxxxxxxxxxx
http://lists.ceph.com/listinfo.cgi/ceph-users-ceph.com




[Index of Archives]     [Information on CEPH]     [Linux Filesystem Development]     [Ceph Development]     [Ceph Large]     [Ceph Dev]     [Linux USB Development]     [Video for Linux]     [Linux Audio Users]     [Yosemite News]     [Linux Kernel]     [Linux SCSI]     [xfs]


  Powered by Linux