Hi Greg,

Thanks.

We need end to end (disk-client to disk-OSD) latency/throughput for READs
and WRITEs. Writes can be made Write through but we are having difficulties
with read.

Thanks
Mudit
On 31-Jan-2015 5:03 AM, "Gregory Farnum" <[email protected]> wrote:

> I don't think there's any way to force the OSDs to do that. What
> exactly are you trying to do?
> -Greg
>
> On Fri, Jan 30, 2015 at 4:02 AM, Mudit Verma <[email protected]>
> wrote:
> > Hi All,
> >
> > We are working on a project where we are planning to use Ceph as storage.
> > However, for one experiment we are required to disable the caching on
> OSDs
> > and on client.
> >
> > We want any data transaction in the filesystem to be served directly from
> > OSDs disk, without any cache involvement in between.
> >
> > For example, if we read a file content at client, its objects should be
> > served directly from the disk storage.
> >
> > Please let me know if there is any command to any other way to disable
> the
> > READ/WRITE cache for data path.
> >
> > Thanks
> > Mudit
> >
> > _______________________________________________
> > ceph-users mailing list
> > [email protected]
> > http://lists.ceph.com/listinfo.cgi/ceph-users-ceph.com
> >
>
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