Date: Wed, 13 Jun 2018 08:48:26 -0700 From: bob prohaska <fbsd@www.zefox.net> To: freebsd-arm@freebsd.org Subject: GPT vs MBR for swap devices Message-ID: <20180613154826.GA24146@www.zefox.net>
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In trying to get a Pi3 at r334939 to run -j4 buildworld it's become clear that a USB flash (Sandisk Extreme) swap device very quickly triggers OOM process kills, while a USB mechanical disk swap devices works perfectly. It's somewhat hard to believe that the Sandisk Extreme is much slower than a mechanical hard drive for small reads and writes if the rated speeds are anywhere close to correct, but it happens that the flash device uses MBR partitioning, while the mechanical hard drive uses GPT. Is there any reason to think that the partitioning scheme matters? Thanks for reading, bob prohaska
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