Date: Fri, 17 Aug 2018 06:46:34 -0700
From: Andres Freund <andres@anarazel.de>
To: Alexis =?utf-8?B?TMOqLVF1w7Rj?= <alq@datadoghq.com>
Cc: pgsql-performance@postgresql.org
Subject: Re: Bi-modal streaming replication throughput
Message-ID: <20180817134634.o7mfotigxxmy25yn@alap3.anarazel.de>
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On 2018-08-17 15:21:19 +0200, Alexis Lê-Quôc wrote:
> On Tue, Aug 14, 2018 at 7:50 PM Andres Freund <andres@anarazel.de> wrote:
> 
> > Hi,
> >
> > On 2018-08-14 10:46:45 -0700, Andres Freund wrote:
> > > On 2018-08-14 15:18:55 +0200, Alexis Lê-Quôc wrote:
> > > > +   30.25%    26.78%  postgres  postgres           [.] mdnblocks
> > >
> > > This I've likely fixed ~two years back:
> > >
> > >
> > http://archives.postgresql.org/message-id/72a98a639574d2e25ed94652848555900c81a799
> >
> > Err, wrong keyboard shortcut *and* wrong commit hash:
> >
> > https://git.postgresql.org/gitweb/?p=postgresql.git;a=commit;h=45e191e3aa62d47a8bc1a33f784286b2051f45cb
> >
> > - Andres
> >
> 
>  Thanks for the commit in the first place and the reference now; that's a
> very logical explanation. We're now off 9.3.

Glad to help. Did the migration appear to have resolved the worst
performance issues?

Greetings,

Andres Freund