alf Of
> Somnath Roy
> Sent: 07 September 2015 23:34
> To: Vickey Singh ; ceph-
> us...@lists.ceph.com
> Subject: Re: [ceph-users] Extra RAM use as Read Cache
>
> Vickey,
> OSDs are on top of filesystem and those unused memory will be
> automatically part of paged cache
random pattern).
Thanks & Regards
Somnath
From: ceph-users [mailto:ceph-users-boun...@lists.ceph.com] On Behalf Of Vickey
Singh
Sent: Monday, September 07, 2015 2:19 PM
To: ceph-users@lists.ceph.com
Subject: [ceph-users] Extra RAM use as Read Cache
Hello Experts ,
I want to increase my
ceph-users@lists.ceph.com
Sent: Tuesday, September 8, 2015 6:19:24 AM
Subject: [ceph-users] Extra RAM use as Read Cache
Hello Experts ,
I want to increase my Ceph cluster's read performance.
I have several OSD nodes having 196G RAM. On my OSD nodes Ceph just uses 15-20
GB of RAM.
So, can i i
IO cache may be handled be the kernel, not userspace
Are you sure it is not already in use ? Do not look for userspace memory
On 07/09/2015 23:19, Vickey Singh wrote:
> Hello Experts ,
>
> I want to increase my Ceph cluster's read performance.
>
> I have several OSD nodes having 196G RAM. On my
Hello Experts ,
I want to increase my Ceph cluster's read performance.
I have several OSD nodes having 196G RAM. On my OSD nodes Ceph just uses
15-20 GB of RAM.
So, can i instruct Ceph to make use of the remaining 150GB+ RAM as read
cache. So that it should cache data in RAM and server to client
