Re: [HACKERS] Should we cacheline align PGXACT?

On Tue, Feb 21, 2017 at 5:52 PM, Alexander Korotkov
<a.korotkov@postgrespro.ru> wrote:
> On Tue, Feb 21, 2017 at 2:37 PM, Andres Freund <andres@anarazel.de> wrote:
>>
>> On 2017-02-21 16:57:36 +0530, Ashutosh Sharma wrote:
>> > Yes, there is still some regression however it has come down by a
>> > small margin. I am not doing initdb for each run instead I am doing,
>> > dropdb-->createdb-->pgbench -i. Is dropping old database and creating
>> > a new one for every run not okay, Do I have to do initdb every time.
>> > Okay, I can change the order of reading and let you know the results.
>>
>> That does make a difference. Primarily because WAL writes in a new
>> cluster are a more expensive than in an old one, because of segment
>> recycling.
>
>
> +1

okay, understood. Will take care of it when I start with next round of
testing. Thanks.