Re: bgwriter, checkpoints, curious (seeing delays)

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От
Robert Haas
Тема
Re: bgwriter, checkpoints, curious (seeing delays)
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603c8f071003031133i7c9f08dbgaaac65f45f0ddf50@mail.gmail.com
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bgwriter, checkpoints, curious (seeing delays) Tory M Blue <tmblue@gmail.com>
Re: bgwriter, checkpoints, curious (seeing delays) Devrim GÜNDÜZ <devrim@gunduz.org>
Re: bgwriter, checkpoints, curious (seeing delays) Tory M Blue <tmblue@gmail.com>
Re: bgwriter, checkpoints, curious (seeing delays) Devrim GÜNDÜZ <devrim@gunduz.org>
Re: bgwriter, checkpoints, curious (seeing delays) Tory M Blue <tmblue@gmail.com>
Re: bgwriter, checkpoints, curious (seeing delays) Tory M Blue <tmblue@gmail.com>
Re: bgwriter, checkpoints, curious (seeing delays) Greg Smith <greg@2ndquadrant.com>
Re: bgwriter, checkpoints, curious (seeing delays) Tory M Blue <tmblue@gmail.com>
Re: bgwriter, checkpoints, curious (seeing delays) "Fernando Hevia" <fhevia@ip-tel.com.ar>
Re: bgwriter, checkpoints, curious (seeing delays) "Jorge Montero" <jorge_montero@homedecorators.com>
Re: bgwriter, checkpoints, curious (seeing delays) Tory M Blue <tmblue@gmail.com>
Re: bgwriter, checkpoints, curious (seeing delays) Robert Haas <robertmhaas@gmail.com>
Re: bgwriter, checkpoints, curious (seeing delays) Tory M Blue <tmblue@gmail.com>
Re: bgwriter, checkpoints, curious (seeing delays) Jochen Erwied <jochen@pgsql-performance.erwied.eu>
On Fri, Feb 26, 2010 at 6:24 PM, Tory M Blue  wrote:
> Ya my boxes are pretty well stacked, but a question. How does one get
> the memory usage of a query. You state to look at explain analyze but
> this gives timing and costs, but is one of the numbers memory or do I
> have to take values and do some math?

There's really not good instrumentation on memory usage, except for
sorts.  9.0 will add a bit of instrumentation for hashes.

I might try 'top'.

...Robert
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