Re: Power8 Tests

On Mon, Feb 9, 2015 at 1:23 AM, Josh Berkus <josh(at)agliodbs(dot)com> wrote:
>
> On 02/06/2015 09:55 PM, julyanto SUTANDANG wrote:
> > Dear All,
> >
> > Start from today until next 10 days, we have been given access to IBM's
> > Power8 Machines to test the PostgreSQL.
>

Good to know about this information.

> > We are planning to test using pgBench and HammerDB, anyone which
> > interest in this task, please reply me and i will share the test plan
and
> > we are open for any discussion I am open to any ideas on how we are
> > going to test.

Which PostgreSQL version are you planing to use for your tests?
Sometime back, I have done the performance test for read-write pgbench
on Power8 m/c and came to know that scalability is not good.
I am interested to see your tests results especially of HammerDB.

> > IBM claim that Power8 runs almost 1.6 faster than Power7 and with
> > 8HT per core, that would be great advantages for databases like
> > PostgreSQL to run faster and better. Each Core has 3.6 Ghz Clock
> > speed.

Yeah, in all my tests I have seen considerable difference of TPS between
Power7 and Power8 m/c (Power8 is better), so testing on Power8 makes
sense.

> Synchronize with Amit, since he's already been doing some testing.
>

Thank you.

With Regards,
Amit Kapila.
EnterpriseDB: http://www.enterprisedb.com