Date: Fri, 22 Mar 2013 22:47:40 +0100 From: Martin Matuska <mm@FreeBSD.org> To: Johan Hendriks <joh.hendriks@gmail.com> Cc: freebsd-fs@freebsd.org Subject: Re: ZFS pool size to bearable free space amount ratio Message-ID: <514CD17C.70709@FreeBSD.org> In-Reply-To: <514C745B.5000803@gmail.com> References: <20130322170742.93502@relay.ibs.dn.ua> <514C745B.5000803@gmail.com>
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With the recent merges from illumos (merged to 9-STABLE in r248571) this should get somewhat better. http://svnweb.freebsd.org/base?view=revision&revision=248369 https://www.illumos.org/issues/3552 https://www.illumos.org/issues/3564 https://www.illumos.org/issues/3578 More technical information on space maps: https://blogs.oracle.com/bonwick/entry/space_maps On 22.3.2013 16:10, Johan Hendriks wrote: > Zeus Panchenko schreef: > hi all, > > please, share your experience on the subject ... > > what is ZFS-pool-size to bearable-free-space-amount ratio? > > how much percents of total ZFS pool space has to be free before > performance starts worsening? > > -- Zeus V. Panchenko jid:zeus@im.ibs.dn.ua > IT Dpt., I.B.S. LLC GMT+2 (EET) >> _______________________________________________ >> freebsd-fs@freebsd.org mailing list >> http://lists.freebsd.org/mailman/listinfo/freebsd-fs >> To unsubscribe, send any mail to "freebsd-fs-unsubscribe@freebsd.org" > > It is best to keep the pool below 80% > Above that, things starts to slow down. > > gr > johan Hendriks > > _______________________________________________ > freebsd-fs@freebsd.org mailing list > http://lists.freebsd.org/mailman/listinfo/freebsd-fs > To unsubscribe, send any mail to "freebsd-fs-unsubscribe@freebsd.org" -- Martin Matuska FreeBSD committer http://blog.vx.sk
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