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From: Stephen Frost <sfrost@snowman.net>
To: Sait Talha Nisanci <Sait.Nisanci@microsoft.com>
Cc: Thomas Munro <thomas.munro@gmail.com>
Cc: Tomas Vondra <tomas.vondra@2ndquadrant.com>
Cc: Dmitry Dolgov <9erthalion6@gmail.com>
Cc: David Steele <david@pgmasters.net>
Cc: Andres Freund <andres@anarazel.de>
Cc: Alvaro Herrera <alvherre@2ndquadrant.com>
Cc: pgsql-hackers <pgsql-hackers@postgresql.org>
Subject: Re: [EXTERNAL] Re: WIP: WAL prefetch (another approach)
Date: Thu, 27 Aug 2020 09:55:33 -0400
Message-ID: <20200827135533.GJ29590@tamriel.snowman.net> (raw)
In-Reply-To: <VI1PR83MB0254FB140602E019430A796391540@VI1PR83MB0254.EURPRD83.prod.outlook.com>
References: <20200502151423.yf52i63u232fdfrg@localhost>
	<CA+hUKG+obB-e_VFa2uPVe52DvtpBQtC30vyo_PDURJQTr3SdJQ@mail.gmail.com>
	<20200605223422.r76a5rpl2zg2xo34@development>
	<20200606003632.GS6680@tamriel.snowman.net>
	<CA+hUKG+oXRpmc=yOM-GCQMt+Q4GPt9dD_idhPhFVf6f=_owwvA@mail.gmail.com>
	<20200803154659.nzf5qzuozts5dujp@development>
	<CA+hUKGKfsWj+4qPfOkC4YtYtVO33yrCty1uWxBp3R1OSqWEcyA@mail.gmail.com>
	<20200806104701.j3xnkczd6qelfnhj@development>
	<CA+hUKGKciMMJbE-1+9oPKte977b++UU_X16kkOXTF_7QjP4+jA@mail.gmail.com>
	<VI1PR83MB0254FB140602E019430A796391540@VI1PR83MB0254.EURPRD83.prod.outlook.com>

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 recovery times:

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

Thanks,

Stephen

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  Cc: sfrost@snowman.net, Sait.Nisanci@microsoft.com, thomas.munro@gmail.com, tomas.vondra@2ndquadrant.com, 9erthalion6@gmail.com, david@pgmasters.net, andres@anarazel.de, alvherre@2ndquadrant.com
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