Re: Pooling in Core WAS: Need help in performance tuning.

Rajesh Kumar Mallah wrote:
> the no of clients was 10 ( -c 10)  carrying out 10000 transactions
> each (-t 10000) .
> pgbench db was initilised with scaling  factor -s 100.
>
> since client count was less there was no queuing of requests in pgbouncer
> i would prefer to say  it was in 'passthrough' mode.

Of course pgbouncer is going decrease performance in this situation.
You've added a whole layer to things that all traffic has to pass
through, without a setup that gains any benefit from the connection
pooling.  Try making the client count 1000 instead if you want a useful
test.

--
Greg Smith  2ndQuadrant US  Baltimore, MD
PostgreSQL Training, Services and Support
greg@2ndQuadrant.com   www.2ndQuadrant.us