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Re: Benchmarking: How to identify bottleneck (limiting factor) andachieve "linear scalability"? - Mailing list pgsql-performance

From Saurabh Nanda
Subject 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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In response to Re: Benchmarking: How to identify bottleneck (limiting factor) andachieve "linear scalability"?  (Saurabh Nanda <saurabhnanda@gmail.com>)
Responses Re: Benchmarking: How to identify bottleneck (limiting factor) andachieve "linear scalability"?
Re: Benchmarking: How to identify bottleneck (limiting factor) andachieve "linear scalability"?
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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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