On 10/16/14 07:37, micha...@cs.wisc.edu wrote:
The following patches implement the SCSI command COMPARE_AND_WRITE as a new
bio/request type REQ_CMP_AND_WRITE. COMPARE_AND_WRITE is defined in the
SCSI SBC (SCSI block command) specs as:
The COMPARE AND WRITE command requests that the device
Hi Somnath,
Results seem promising indeed :)
Can you share your ceph.conf ?
- Mail original -
De: Somnath Roy somnath@sandisk.com
À: ceph-devel@vger.kernel.org
Envoyé: Vendredi 17 Octobre 2014 22:37:55
Objet: The Async messenger benchmark with latest master
Hi Sage/Haomai,
On Fri, Oct 17, 2014 at 07:38:37PM -0400, Martin K. Petersen wrote:
The problem with this is that, as it stands, a bio has no type. And it
would suck if we couldn't keep bio rw and request flags in sync.
I wonder if it would make more sense to move the remaining rq types to
cmd_flags after
On 10/18/2014 03:11 AM, Bart Van Assche wrote:
On 10/16/14 07:37, micha...@cs.wisc.edu wrote:
The following patches implement the SCSI command COMPARE_AND_WRITE as
a new
bio/request type REQ_CMP_AND_WRITE. COMPARE_AND_WRITE is defined in the
SCSI SBC (SCSI block command) specs as:
The
Thanks Somnath!
I have another simple performance test for async messenger:
For 4k object read, master branch used 4.46s to complete tests, async
Messenger used 3.14s
For 4k object write, master branch used 10.6s to complete, async
Messenger used 6.6s!!
Detailf results see below, 4k object read