Sat Nov 7 20:23:25 PST 2009
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On Sat, Nov 7, 2009 at 9:02 PM, Vick Khera <vivek at khera.org> wrote: > On Fri, Nov 6, 2009 at 4:07 PM, Scott Marlowe <scott.marlowe at gmail.com> wrote: >> I have about 1500 objects in my main db, and running create set takes >> about 5 seconds per table or sequence. Is this typical? Any changes >> I can make in terms of cost of any slony functions or creating indexes >> to make it faster? >> > > The most complicated one I have has about 250 tables and about 50 > sequences. I don't recall it taking that long to create a set. > Perhaps the time is proportional to the number of objects? Which > versions of everything are you using? I run Pg 8.3 and slony1 1.2.x. Yep, pg 8.3.7 and slony 1.2.14 at the moment. If I do this on a machine with JUST the objects I'm replicating, I can get 10 seconds per table and 5 or so per sequence. On the DB with 29000 other objects not replicated, it gets up to 30 seconds per table and 20 seconds per sequence. Which means a 5 hour time for create set. And if autovac kicks in it blocks create set. so I had to turn that off.
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