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" <greg@xxxxxxxxxxx> 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 <mudit.f2004912@xxxxxxxxx> 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
>
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