Date: Thu, 27 Feb 2014 18:14:45 +0200 From: Volodymyr Kostyrko <c.kworr@gmail.com> To: Anton Sayetsky <vsjcfm@gmail.com>, freebsd-fs@freebsd.org Subject: Re: ZFS and Wired memory, again Message-ID: <530F6475.4090508@gmail.com> In-Reply-To: <CAFG2KC%2BZSHEVFbpPD9e1QHRdY=Sd6EuAD80vyDLDDQcpgCQNhA@mail.gmail.com> References: <CAFG2KC%2BZSHEVFbpPD9e1QHRdY=Sd6EuAD80vyDLDDQcpgCQNhA@mail.gmail.com>
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22.11.2013 21:53, Anton Sayetsky написав(ла): > Hello, > > I'm planning to deploy a ~150 TiB ZFS pool and when playing with ZFS > noticed that amount of wired memory is MUCH bigger than ARC size (in > absence of other hungry memory consumers, of course). I'm afraid that > this strange behavior may become even worse on a machine with big pool > and some hundreds gibibytes of RAM. > > So let me explain what happened. +1 from me, FreeBSD 10, uma=0 52 processes: 2 running, 49 sleeping, 1 zombie CPU: 0.0% user, 0.0% nice, 0.0% system, 0.4% interrupt, 99.6% idle Mem: 31M Active, 16K Inact, 3352M Wired, 17M Cache, 48M Free ARC: 1838M Total, 110M MFU, 18M MRU, 548K Anon, 1876M Header, 75M Other Swap: 4096M Total, 126M Used, 3969M Free, 3% Inuse Machine is plain dead. Running database or squid or anything causes excessive swapping. This is the state when I disabled all payload, with everything started swap goes to 500M and machine is burning disks. -- Sphinx of black quartz, judge my vow.
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