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From: Bruce Momjian <[email protected]>
To: Frits Hoogland <[email protected]>
Cc: Joe Conway <[email protected]>
Cc: Priya V <[email protected]>
Cc: [email protected]
Subject: Re: Safe vm.overcommit_ratio for Large Multi-Instance PostgreSQL Fleet
Date: Tue, 12 Aug 2025 13:49:26 -0400
Message-ID: <[email protected]> (raw)
In-Reply-To: <[email protected]>
References: <[email protected]>
	<[email protected]>

On Wed, Aug  6, 2025 at 11:14:34PM +0200, Frits Hoogland wrote:
> > As I said, do not disable swap. You don't need a huge amount, but maybe 16 GB or so would do it.
> 
> Joe, please, can you state a technical reason for saying this?
> All you are saying is ‘don’t do this’. 
> 
> I’ve stated my reasons for why this doesn’t make sense, and you don’t give any reason.
> 
> The article you cite does seem to point to general usage, not database usage.

Here is a blog entry about it from 2012:

	https://momjian.us/main/blogs/pgblog/2012.html#July_25_2012

-- 
  Bruce Momjian  <[email protected]>        https://momjian.us
  EDB                                      https://enterprisedb.com

  Do not let urgent matters crowd out time for investment in the future.

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