Horton

Re: Big performance slowdown from 11.2 to 13.3

Justin Pryzby <pryzby@telsasoft.com>

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From: Justin Pryzby <pryzby@telsasoft.com>
To: ldh@laurent-hasson.com
Cc: Tom Lane <tgl@sss.pgh.pa.us>, David Rowley <dgrowleyml@gmail.com>, Peter Geoghegan <pg@bowt.ie>, pgsql-performance@postgresql.org
Date: 2021-07-22T17:28:52Z
Lists: pgsql-performance 
On Thu, Jul 22, 2021 at 05:26:26PM +0000, ldh@laurent-hasson.com wrote:
> I tried this but not seeing max resident size data output.

Oh.  Apparently, that's not supported under windows..

#if defined(HAVE_GETRUSAGE)
        appendStringInfo(&str,
                                         "!\t%ld kB max resident size\n",

Commits

  1. Get rid of artificial restriction on hash table sizes on Windows.