Re: How to speed WAL apply in destination

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To: SASIKUMAR Devaraj <sashikumard@xxxxxxxxx>
Subject: Re: How to speed WAL apply in destination
From: Scott Ribe <scott_ribe@xxxxxxxxxxxxxxxx>
Date: Fri, 9 Dec 2022 08:21:39 -0600
Cc: Laurenz Albe <laurenz.albe@xxxxxxxxxxx>, Bryon Roché <kain@xxxxxxxx>, Pgsql-admin <pgsql-admin@xxxxxxxxxxxxxxxxxxxx>
In-reply-to: <203270855.2602687.1670583423055@mail.yahoo.com>
References: <364439211.2445507.1670562179127.ref@mail.yahoo.com> <364439211.2445507.1670562179127@mail.yahoo.com> <1E6A35F6-6866-4FDB-8CE8-38C328FF1865@kain.org> <44581ceb3c9c96f48e131ed3de33389db07317e9.camel@cybertec.at> <203270855.2602687.1670583423055@mail.yahoo.com>

> On Dec 9, 2022, at 4:57 AM, SASIKUMAR Devaraj <sashikumard@xxxxxxxxx> wrote:
> 
> During certain interval there is huge WAL file generation f3om primary around 300gb/hr which delays sync in secondary by atleast 30 mins. Other time it is normal 

- have you checked network throughput between the 2 nodes?

- are the 2 nodes similar hardware configurations?

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