Re: slow dropping of tables, DropRelFileNodeBuffers, tas
От | Sergey Koposov |
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Тема | Re: slow dropping of tables, DropRelFileNodeBuffers, tas |
Дата | |
Msg-id | alpine.LRH.2.02.1205311849370.6351@calx046.ast.cam.ac.uk обсуждение исходный текст |
Ответ на | Re: slow dropping of tables, DropRelFileNodeBuffers, tas (Simon Riggs <simon@2ndQuadrant.com>) |
Ответы |
Re: slow dropping of tables, DropRelFileNodeBuffers, tas
Re: slow dropping of tables, DropRelFileNodeBuffers, tas |
Список | pgsql-hackers |
On Thu, 31 May 2012, Simon Riggs wrote: > > That struck me as a safe and easy optimisation. This was a problem I'd > been trying to optimise for 9.2, so I've written a patch that appears > simple and clean enough to be applied directly. Thanks! The patch indeed improved the timings, The dropping of 100 tables in a single commit before the patch took ~ 50 seconds, now it takes ~ 5 sec (it would be nice to reduce it further though, because the dropping of 10000 tables still takes ~10 min). Cheers, S ***************************************************** Sergey E. Koposov, PhD, Research Associate Institute of Astronomy, University of Cambridge Madingley road, CB3 0HA, Cambridge, UK Tel: +44-1223-337-551 Web: http://www.ast.cam.ac.uk/~koposov/
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