Re: PostmasterContext survives into parallel workers!?

From: Alvaro Herrera <alvherre(at)2ndquadrant(dot)com>
To: Tom Lane <tgl(at)sss(dot)pgh(dot)pa(dot)us>
Cc: Robert Haas <robertmhaas(at)gmail(dot)com>, "pgsql-hackers(at)postgresql(dot)org" <pgsql-hackers(at)postgresql(dot)org>
Subject: Re: PostmasterContext survives into parallel workers!?
Date: 2016-08-03 17:55:08
Message-ID: 20160803175508.GA648317@alvherre.pgsql
Views: Raw Message | Whole Thread | Download mbox | Resend email
Thread:
Lists: pgsql-hackers

Tom Lane wrote:
> Alvaro Herrera <alvherre(at)2ndquadrant(dot)com> writes:
> > Tom Lane wrote:
> >> It looks to me like the reason for it is simply not having bothered to
> >> copy the rw->rw_worker data to somewhere that would survive deletion
> >> of the PostmasterContext. I wonder though if anyone remembers a more
> >> fundamental reason? Surely the bgworker is not supposed to touch any
> >> of the rest of the BackgroundWorkerList?
>
> > I just checked BDR, which is the more complex code using workers I know
> > of, and I don't see any reason why this cannot be changed.
>
> The attached patch passes "make check-world" for me. Can you check it
> against BDR?

Just checked. It works fine.

--
Álvaro Herrera http://www.2ndQuadrant.com/
PostgreSQL Development, 24x7 Support, Remote DBA, Training & Services

In response to

Responses

Browse pgsql-hackers by date

  From Date Subject
Next Message Joshua Bay 2016-08-03 18:02:06 Re: Way to access LSN (for each transaction) by directly talking to postgres?
Previous Message David G. Johnston 2016-08-03 17:55:02 Re: New version numbering practices