[DRBD-user] multiple DRBD + solid state drive + 10G Ethernet performance tuning. Help!!
J. Ryan Earl
oss at jryanearl.us
Fri Oct 29 19:04:35 CEST 2010
On Fri, Oct 29, 2010 at 11:23 AM, wang xuchen <ben.wxc at gmail.com> wrote:
> Since either network nor hard-drive is the bottle-neck, I would assume that
> DRBD replication contribute most to the performance bottleneck, of course,
> with the premise that my configuration does not put any limitation on DRBD
How do you know? What's your throughput on the SSD without DRBD? What do
your netperf tests look like? What's the percentage decrease of DRBD on SSD
write performance? What's your CPU utilization look like during writes?
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