Re: Benchmarking: How to identify bottleneck (limiting factor) andachieve "linear scalability"?

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От Saurabh Nanda
Тема Re: Benchmarking: How to identify bottleneck (limiting factor) andachieve "linear scalability"?
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Msg-id CAPz=2oEgTA3ENcUGEFQKGug09gWDw7ixrOLXpK3FenTiPVcXxQ@mail.gmail.com
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Ответ на Re: Benchmarking: How to identify bottleneck (limiting factor) andachieve "linear scalability"?  (Saurabh Nanda <saurabhnanda@gmail.com>)
Ответы Re: Benchmarking: How to identify bottleneck (limiting factor) andachieve "linear scalability"?  (Saurabh Nanda <saurabhnanda@gmail.com>)
Re: Benchmarking: How to identify bottleneck (limiting factor) andachieve "linear scalability"?  (Jeff Janes <jeff.janes@gmail.com>)
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All this benchmarking has led me to a philosophical question, why does PG need shared_buffers in the first place? What's wrong with letting the OS do the caching/buffering?  Isn't it optimised for this kind of stuff?

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