Re: Slow query (planner insisting on using 'external merge' sort type)

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Andreas Kretschmer
Тема
Re: Slow query (planner insisting on using 'external merge' sort type)
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Msg-id
1405767375.375868.1434725229563.JavaMail.open-xchange@oxweb02.ims-firmen.de
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Slow query (planner insisting on using 'external merge' sort type) (Ian Pushee)
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Slow query (planner insisting on using 'external merge' sort type) Ian Pushee <ian@intuvisiontech.com>
Re: Slow query (planner insisting on using 'external merge' sort type) Andreas Kretschmer <andreas@a-kretschmer.de>
Re: Slow query (planner insisting on using 'external merge' sort type) Ian Pushee <ian@intuvisiontech.com>
Re: Slow query (planner insisting on using 'external merge' sort type) Jim Nasby <Jim.Nasby@BlueTreble.com>
Re: Slow query (planner insisting on using 'external merge' sort type) Mark Kirkwood <mark.kirkwood@catalyst.net.nz>
Re: Slow query (planner insisting on using 'external merge' sort type) Igor Neyman <ineyman@perceptron.com>
Re: Slow query (planner insisting on using 'external merge' sort type) Ian Pushee <ian@intuvisiontech.com>
Re: Slow query (planner insisting on using 'external merge' sort type) Igor Neyman <ineyman@perceptron.com>
Re: Slow query (planner insisting on using 'external merge' sort type) Igor Neyman <ineyman@perceptron.com> 

> Explain Analyze outputs (links as requested):
> Default plan: http://explain.depesz.com/s/ib3k
> Forced index (random_page_cost=1.0): http://explain.depesz.com/s/lYaP
> 
> Software/Hardware: PGSql 9.2.1, Windows 8.1, 8GB RAM
> All pgsql settings are at their defaults.

increase work_mem. per session via set work_mem  = 'xxxMB'; or in
postgresql.conf, reload.
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