Re: Initdb --data-checksums by default

On 21.04.2016 20:26, Vick Khera wrote:
>
> On Thu, Apr 21, 2016 at 9:00 AM, Alex Ignatov
> <a(dot)ignatov(at)postgrespro(dot)ru <mailto:a(dot)ignatov(at)postgrespro(dot)ru>> wrote:
>
> Ms Windows doesnt have ZFS support. AIX also doesnt. Z/OS also.
> Any other commercial Linux distros don't have ZFS support. Yes you
> can compile it and use on production but...
> But PG runs on the above OS, but have check sum off by default.
> Thats the deal. And it is not related to ZFS existence or any
> other FS with checksums in any way. The question is only in
> performance hit when you turn it on and now I am in the process
> of testing it...
>
>
> I don't care about those platforms, so changing the default is just
> making more work for me. :)
I see ;). By the way following my tests turn this option on is only
1-2% overhead in throughput.

--
Alex Ignatov
Postgres Professional: http://www.postgrespro.com
The Russian Postgres Company