Re: explanation about buffers and memory usage ... ?

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От Bruce Momjian
Тема Re: explanation about buffers and memory usage ... ?
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Msg-id 200111192150.fAJLo5G26107@candle.pha.pa.us
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Ответ на explanation about buffers and memory usage ... ?  (hubert depesz lubaczewski <depesz@depesz.pl>)
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> hi,
> just a simple question:
> there are at least 4 types of buffers:
> shared_buffers
> sort_mem
> effective_cache_size
> geqo_pool_size
>
> can you please tell me when all of this memory is used. what for, and
> what's also important.
> assuming that i have 16 backends spawned how much memory will it take?
> shared_buffers are shared. but what about others? per backend?

See performance article on techdocs:

    http://techdocs.postgresql.org

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