Re: wal_sender_delay is still required? - Mailing list pgsql-hackers

From Alvaro Herrera
Subject Re: wal_sender_delay is still required?
Date
Msg-id 1291690732-sup-5802@alvh.no-ip.org
Whole thread Raw
In response to Re: wal_sender_delay is still required?  (Tom Lane <tgl@sss.pgh.pa.us>)
Responses Re: wal_sender_delay is still required?
List pgsql-hackers
Excerpts from Tom Lane's message of lun dic 06 23:49:52 -0300 2010:
> Fujii Masao <masao.fujii@gmail.com> writes:
> > One problem with the patch is that it takes longer (at most 10s) to
> > detect the unexpected death of postmaster (by calling PostmasterIsAlive()).
> > This is OK for me. But does anyone want to specify the delay to detect
> > that within a short time?
> 
> Oh.  Hm.  I'm hesitant to remove the setting if there's still some
> behavior that it would control.  Maybe we should just crank up the
> default value instead.

Maybe we should have a single tunable for processes that just sleep
waiting for events or postmaster death.  For example pgstats has a
hardcoded 2 seconds, and the archiver process has a hardcoded value too
AFAICS.

-- 
Álvaro Herrera <alvherre@commandprompt.com>
The PostgreSQL Company - Command Prompt, Inc.
PostgreSQL Replication, Consulting, Custom Development, 24x7 support


pgsql-hackers by date:

Previous
From: Robert Haas
Date:
Subject: Re: profiling connection overhead
Next
From: Fujii Masao
Date:
Subject: Re: wal_sender_delay is still required?