Date: Sun, 17 Nov 2013 19:04:21 +0400 (MSK) From: Dmitry Morozovsky <marck@rinet.ru> To: freebsd-fs@FreeBSD.org Subject: ZFS: Memory needed for managing L2ARC Message-ID: <alpine.BSF.2.00.1311171900130.8224@woozle.rinet.ru>
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Dear colleagues, are there any "real" estimations on how much memory is needed for having efficient, say, 1T of L2ARC? stable/amd64, of course. I have backup storage server, where pool size is targeted to a few hundreds of terabytes (currently ~35T), and hot set is usually less than 512G-1T. quick googling leads to some Solaris/Illumos documents, but even them are not bright enough in answer that. Thanks! -- Sincerely, D.Marck [DM5020, MCK-RIPE, DM3-RIPN] [ FreeBSD committer: marck@FreeBSD.org ] ------------------------------------------------------------------------ *** Dmitry Morozovsky --- D.Marck --- Wild Woozle --- marck@rinet.ru *** ------------------------------------------------------------------------
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