Re: Turning off HOT/Cleanup sometimes

From: Peter Eisentraut <peter_e(at)gmx(dot)net>
To: Simon Riggs <simon(at)2ndQuadrant(dot)com>, Jeff Janes <jeff(dot)janes(at)gmail(dot)com>
Cc: Alvaro Herrera <alvherre(at)2ndquadrant(dot)com>, Andres Freund <andres(at)anarazel(dot)de>, Heikki Linnakangas <hlinnakangas(at)vmware(dot)com>, Robert Haas <robertmhaas(at)gmail(dot)com>, Tom Lane <tgl(at)sss(dot)pgh(dot)pa(dot)us>, Michael Paquier <michael(dot)paquier(at)gmail(dot)com>, Amit Kapila <amit(dot)kapila16(at)gmail(dot)com>, PostgreSQL-development <pgsql-hackers(at)postgresql(dot)org>
Subject: Re: Turning off HOT/Cleanup sometimes
Date: 2015-03-12 00:38:59
Message-ID: 5500E023.2090205@gmx.net
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On 12/17/14 3:39 AM, Simon Riggs wrote:
> On 15 December 2014 at 20:26, Jeff Janes <jeff(dot)janes(at)gmail(dot)com> wrote:
>
>> I still get the compiler error in contrib:
>>
>> pgstattuple.c: In function 'pgstat_heap':
>> pgstattuple.c:279: error: too few arguments to function
>> 'heap_beginscan_strat'
>>
>> Should it pass false for the always_prune?
>
> Yes.
>
> New version attached.

README.HOT section "When can/should we prune or defragment?" needs a
major update as a result of this patch.

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