Re: [HACKERS] Gather Merge

On Tue, Jan 17, 2017 at 6:44 PM, Amit Kapila <amit.kapila16@gmail.com> wrote:

On Tue, Jan 17, 2017 at 5:19 PM, Rushabh Lathia
<rushabh.lathia@gmail.com> wrote:
>
>
>
> Here is the benchmark number which I got with the latest (v6) patch:
>
> - max_worker_processes = DEFAULT (8)
> - max_parallel_workers_per_gather = 4
> - Cold cache environment is ensured. With every query execution - server is
>   stopped and also OS caches were dropped.
> - The reported values of execution time (in ms) is median of 3 executions.
> - power2 machine with 512GB of RAM
> - With default postgres.conf
>

You haven't mentioned scale factor used in these tests.

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