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

Greetings,

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

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

Thanks,

Stephen