Date: Tue, 02 Jul 2013 07:18:01 -0500 From: "Mark Felder" <feld@feld.me> To: freebsd-questions@freebsd.org Subject: Re: sleepycat db VS MySQL or postgres Message-ID: <op.wzlggbj834t2sn@tech304.office.supranet.net> In-Reply-To: <kqug3f$5j3$1@ger.gmane.org> References: <51D1E68B.5050508@paz.bz> <kqub0l$8pk$1@ger.gmane.org> <op.wzlfe12e34t2sn@tech304.office.supranet.net> <kqug3f$5j3$1@ger.gmane.org>
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On Tue, 02 Jul 2013 07:12:37 -0500, Ivan Voras <ivoras@freebsd.org> wrote: > On 02/07/2013 13:55, Mark Felder wrote: > >> If twitter was built upon a WORM database instead of MySQL they could >> host the entirety of twitter on a handful of servers instead of the >> gross MySQL+Cassandra mess they're fighting with today. > > I'd say their problem is not exactly solvable by only choosing a > database :D > They, like Facebook, have the problem of "fanout", where a single piece > of data goes into thousands of different user pages. Whatever they save > in the raw data access operations will probably be relatively small > compared to the horsepower needed to combine pages from all these > fleeting data pieces. > Good point :) I'm still sure it would work much, much better though. However, I'm just glad that's not *my* problem to fix.
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