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Re: socketpair buffer limits?

To: current-users%netbsd.org@localhost
Subject: Re: socketpair buffer limits?
From: mlelstv%serpens.de@localhost (Michael van Elst)
Date: Fri, 21 Feb 2025 16:53:54 -0000 (UTC)

gdt%lexort.com@localhost (Greg Troxel) writes:

>FWIW, on two of my systems N9 and N10, SNDBUF fails.

The default kern.sbmax is 256kB. People that have "tuned" their TCP
usually bumped that value, without you cannot use 1MB buffers.

The default kern.somaxkva is 16MB. That might be not enough if you
start using 1MB buffers.

Follow-Ups:
- Re: socketpair buffer limits?
  - From: Rhialto

References:
- socketpair buffer limits?
  - From: Thomas Klausner
- Re: socketpair buffer limits?
  - From: Greg Troxel

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