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Date:      Sun, 26 Jan 2020 00:22:41 +0000
From:      Mark Linimon <linimon@lonesome.com>
To:        Cy Schubert <Cy.Schubert@cschubert.com>
Cc:        sgk@troutmask.apl.washington.edu, freebsd-current@freebsd.org, Mark Millard <marklmi@yahoo.com>, yasu@utahime.org
Subject:   Re: After update to r357104 build of poudriere jail fails with 'out of swap space'
Message-ID:  <20200126002241.GC6420@lonesome.com>
In-Reply-To: <202001252359.00PNx6n1007151@slippy.cwsent.com>
References:  <DAA3A910-25F2-447A-B540-C35985DA822E@yahoo.com> <A6C8D5FD-EC99-4846-8F43-ABE7B6D27D03@cschubert.com> <20200125215203.GA49253@troutmask.apl.washington.edu> <3B744DB0-35ED-44FE-8235-A16EE5F925CA@cschubert.com> <20200125233116.GA49916@troutmask.apl.washington.edu> <202001252359.00PNx6n1007151@slippy.cwsent.com>

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On Sat, Jan 25, 2020 at 03:59:06PM -0800, Cy Schubert wrote:
> A rule of thumb would probably be, have ~ 2 GB RAM for every core or
> thread when doing large parallel builds.

This is a rule of thumb that I have used for quite some time.

Perhaps less is necessary for certain tasks, but if you want to build
compilers or other heavy packages, this seems to work.

mcl


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