Re: [HACKERS] Proposal : For Auto-Prewarm.

On Thu, Jan 26, 2017 at 8:45 PM, Peter Eisentraut
<peter.eisentraut@2ndquadrant.com> wrote:
> On 1/24/17 3:26 AM, Mithun Cy wrote:
>> In my code by default, we only dump at shutdown time. If we want to
>> dump at regular interval then we need to set the GUC
>> pg_autoprewarm.buff_dump_interval to > 0.
>
> Just a thought with an additional use case:  If I want to set up a
> standby for offloading queries, could I take the dump file from the
> primary or another existing standby, copy it to the new standby, and
> have it be warmed up to the state of the other instance from that?
>
> In my experience, that kind of use is just as interesting as preserving
> the buffers across a restart.
>

An interesting use case.  I am not sure if somebody has tried that way
but it appears to me that the current proposed patch should work for
this use case.

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