On 2010-Jul-17 01:24:57 +0800, Michael Johnson <mjjohnson....@yahoo.com> wrote: >I'm currently planning on running FreeBSD with ZFS, but I wanted to >double-check >how much memory I'd need for it to be stable. The ZFS wiki currently says you >can go as low as 1 GB, but recommends 2 GB; however, elsewhere I've seen >someone >claim that you need at least 4 GB. Does anyone here know how much RAM FreeBSD >would need in this case?
I am running FreeBSD 8.x with ZFS on several systems. From my experiences, 2GB is a bare minimum and it seems a lot happier with 3.5GB. Note that in any case, patching ARC to work around the out- of-free-memory bug is fairly important. >Likewise, how much RAM does OpenSolaris need for stability when running ZFS? I have a SPARC OSol system that seemed OK with 2GB, though I never really stres it. -- Peter Jeremy
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