Date: Mon, 11 Jul 2011 10:24:27 +0100 From: krad <kraduk@gmail.com> To: Ivan Voras <ivoras@freebsd.org> Cc: freebsd-fs@freebsd.org Subject: Re: Improving old-fashioned UFS2 performance with lots of inodes... Message-ID: <CALfReyd8Mt0YSGCbrsU3yCS%2BKLaC5aRpiyz1hh%2BAiwS-cJiaoQ@mail.gmail.com> In-Reply-To: <iv1doe$3v9$1@dough.gmane.org> References: <1309217450.43651.YahooMailRC@web120014.mail.ne1.yahoo.com> <20110628010822.GA41399@icarus.home.lan> <1309302840.88674.YahooMailRC@web120004.mail.ne1.yahoo.com> <20110628234723.GA63965@icarus.home.lan> <iv1doe$3v9$1@dough.gmane.org>
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On 6 July 2011 11:34, Ivan Voras <ivoras@freebsd.org> wrote: > On 29/06/2011 01:47, Jeremy Chadwick wrote: > > unfortunately, so for now we will use UFS2, and as I said ... it seems a >>> shame >>> that UFS2 cannot use system RAM for any good purpose... >>> >>> Or can it ? Anyone ? >>> >> >> Like I said: the only person (I know of) who could answer this would be >> Kirk McKusick. I'm not well-versed in the inner workings and design of >> filesystems; Kirk would be. I'm not sure who else "knows" UFS around >> here. >> > > UFS will use all your memory for caching, there's no known issues here. Of > course, you still need to read all this data in to be cached. > > As Jeremy said, even ZFS will not help you with huge file systems without > some work. You could read this: http://en.wikipedia.org/wiki/**Sharding<http://en.wikipedia.org/wiki/Sharding>and simply replace "databases" with "file systems" and "tables" with > "directories" :) > > > > ______________________________**_________________ > freebsd-fs@freebsd.org mailing list > http://lists.freebsd.org/**mailman/listinfo/freebsd-fs<http://lists.freebsd.org/mailman/listinfo/freebsd-fs>; > To unsubscribe, send any mail to "freebsd-fs-unsubscribe@**freebsd.org<freebsd-fs-unsubscribe@freebsd.org> > " > Sorry if i misread this but are you saying you are having memory issues with rsync? If so what version are you using?
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