--enable-depend by default (was Re: Patch: fix lock contention for HASHHDR.mutex) - Mailing list pgsql-hackers

From Tom Lane
Subject --enable-depend by default (was Re: Patch: fix lock contention for HASHHDR.mutex)
Date
Msg-id 12073.1451490567@sss.pgh.pa.us
Whole thread Raw
In response to Re: Patch: fix lock contention for HASHHDR.mutex  (Oleg Bartunov <obartunov@gmail.com>)
Responses Re: --enable-depend by default (was Re: Patch: fix lock contention for HASHHDR.mutex)  (Greg Stark <stark@mit.edu>)
Re: --enable-depend by default (was Re: Patch: fix lock contention for HASHHDR.mutex)  (Andres Freund <andres@anarazel.de>)
List pgsql-hackers
[ A change as significant as this should not be debated in a thread with
a title that suggests it's of interest to only one or two people ]

> On Wed, Dec 30, 2015 at 5:44 PM, Andres Freund <andres@anarazel.de> wrote:
>> I still maintain that --enable-depend should be on by default. We're
>> absurdly optimizing towards saving a handful of cycles in scenarios
>> which are usually bottlenecked by other things (build boxes spend more
>> times on tests and such)

Nonsense.  The buildfarm will simply get slower, and at least for my
animals it's too damn slow already.  We could fix that by having the
buildfarm script automatically add --disable-depend; but if we're going
to change this, we should roll out that script update BEFORE we change
it, not after.
        regards, tom lane



pgsql-hackers by date:

Previous
From: Evgeniy Shishkin
Date:
Subject: Re: More thorough planning for OLAP queries (was: [PATCH] Equivalence Class Filters)
Next
From: Tom Lane
Date:
Subject: Re: rows estimate in explain analyze for the BRIN index