Horton

Re: Horrible CREATE DATABASE Performance in High Sierra

Peter Eisentraut <peter.eisentraut@2ndquadrant.com>

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From: Peter Eisentraut <peter.eisentraut@2ndquadrant.com>
To: Tom Lane <tgl@sss.pgh.pa.us>, Brent Dearth <brent.dearth@gmail.com>
Cc: Andres Freund <andres@anarazel.de>, pgsql-hackers@postgresql.org
Date: 2017-11-08T15:31:17Z
Lists: pgsql-hackers 
On 10/7/17 16:46, Tom Lane wrote:
> I wrote:
>> Current status is that I've filed a bug report with Apple and am waiting
>> to see their response before deciding what to do next.  If they fix the
>> issue promptly then there's little need for us to do anything.

> Accordingly I propose the attached patch.  If anyone's interested in
> experimenting on other platforms, we might be able to refine/complicate
> the FLUSH_DISTANCE selection further, but I think this is probably good
> enough for a first cut.

What is the status of this?  Is performance on High Sierra still bad?

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

Commits

  1. Increase distance between flush requests during bulk file copies.