[HN Gopher] IPC Buffer Sizes
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       IPC Buffer Sizes
        
       Author : zdw
       Score  : 17 points
       Date   : 2021-11-16 04:51 UTC (2 days ago)
        
 (HTM) web link (www.netmeister.org)
 (TXT) w3m dump (www.netmeister.org)
        
       | throwaway984393 wrote:
       | IPC buffers are absolutely complicated and specific to the kernel
       | and IPC method. I've worked on several applications that required
       | various kernel tuning to perform well, and I still can't remember
       | how any of it works. You can't really just know how buffers are
       | going to work, because they might change in the next kernel
       | release.
       | 
       | The only reliable way to understand the buffers affecting your
       | individual application, is to do functional performance testing.
       | You have to re-create the exact scenario you want to run "in
       | production", slam it with different kinds of way-too-big
       | requests, and record every facet of the system up to the point it
       | fails. Then you can do a deep dive to discover which part caused
       | a problem and tweak settings until it works as needed.
        
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       (page generated 2021-11-18 23:01 UTC)