RE: [EXTERNAL] Re: WIP: WAL prefetch (another approach)

Hi Stephen,

OS version is Ubuntu 18.04.5 LTS.
Filesystem is ext4 and block size is 4KB.

Talha.

-----Original Message-----
From: Stephen Frost <sfrost@snowman.net>
Sent: Thursday, August 27, 2020 4:56 PM
To: Sait Talha Nisanci <Sait.Nisanci@microsoft.com>
Cc: Thomas Munro <thomas.munro@gmail.com>; Tomas Vondra <tomas.vondra@2ndquadrant.com>; Dmitry Dolgov
<9erthalion6@gmail.com>;David Steele <david@pgmasters.net>; Andres Freund <andres@anarazel.de>; Alvaro Herrera
<alvherre@2ndquadrant.com>;pgsql-hackers <pgsql-hackers@postgresql.org> 
Subject: Re: [EXTERNAL] Re: WIP: WAL prefetch (another approach)

Greetings,

* Sait Talha Nisanci (Sait.Nisanci@microsoft.com) wrote:
> I have run some benchmarks for this patch. Overall it seems that there is a good improvement with the patch on
recoverytimes: 

Maybe I missed it somewhere, but what's the OS/filesystem being used here..?  What's the filesystem block size..?

Thanks,

Stephen