On 3 December 2012 15:17, Markus Wanner <markus@bluegap.ch> wrote:
>>> Just like av_launcher does it now: set a flag in shared memory and
>>> signal the postmaster (PMSIGNAL_START_AUTOVAC_WORKER).
>>
>> I'm not sure how this works. What process is in charge of setting such
>> a flag?
>
> The only process that currently starts background workers ... ehm ...
> autovacuum workers is the autovacuum launcher. It uses the above
> Postmaster Signal in autovacuum.c:do_start_autovacuum_worker() to have
> the postmaster launch bg/autovac workers on demand.
My understanding was that the patch keep autovac workers and
background workers separate at this point.
Is there anything to be gained *now* from merging those two concepts?
I saw that as refactoring that can occur once we are happy it should
take place, but isn't necessary.
-- Simon Riggs http://www.2ndQuadrant.com/PostgreSQL Development, 24x7 Support, Training & Services
