On Thu, Nov 17, 2016 at 8:08 PM, Rakesh Kumar
<rakeshkumar464(at)outlook(dot)com> wrote:
> I noticed that as I scale from 5 to 10 to 20 to 40, the TPS starts falling almost linearly :
>
> with 5, TPS was doing 639
> with 10 TPS was down to 490
> with 20 TPS was down to 280
> and so on.
Are the TPS numbers per pgbench? If so, then you're getting
10x490=4900 TPS system wide, or 20*280=5600 TPS system wide.
If those are total TPS numbers then you should check your disk
utilization and CPU utilization and see where your bottleneck is.