Thanks Felix. Upgraded to 8.3 and able to see reasonable performance. Lin
On Wed, Jan 16, 2013 at 6:54 AM, Felix Frank <[email protected]> wrote: > Hi, > > On 01/10/2013 10:09 PM, Lin Zhao wrote: > > BTW we are using drbd 8.2 > > Why? > > > On Thu, Jan 10, 2013 at 1:08 PM, Lin Zhao <[email protected] > > <mailto:[email protected]>> wrote: > > > > All, > > > > I'm setting up a drbd setup for my system, but the poor disk write > > performance is really throttling my system, even with Protocol A. > > The write speed needs to be 20MB/s to not bottleneck my system. > > Anyone has advice tuning for small writes? 10kb writes is the most > > common operations my system does. > > > > It doesn't make much sense to me Protocol A performance is so much > > off native. Anyone has a theory? > > Perhaps it's the ancient DRBD. What kernel is this, anyway? > > If upgrading to recent 8.3.x doesn't help, you may want to try tuning > your tcp buffers, but please do the obvious thing first. > > Cheers, > Felix > -- Lin Zhao Data Platform Engineer 3101 Park Blvd, Palo Alto, CA 94306
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