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Add socket.SO_REUSEPORT_LB and use it in socket.create_server(reuse_port=True) and BaseEventLoop.create_server(reuse_port=True) #124761

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graingert opened this issue Sep 29, 2024 · 3 comments
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Add socket.SO_REUSEPORT_LB and use it in socket.create_server(reuse_port=True) and BaseEventLoop.create_server(reuse_port=True) #124761

graingert opened this issue Sep 29, 2024 · 3 comments
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extension-modules C modules in the Modules dir stdlib Python modules in the Lib dir type-feature A feature request or enhancement

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graingert commented Sep 29, 2024 •
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Feature or enhancement

Proposal:

SO_REUSEPORT_LB is defined in freebsd: https://man.freebsd.org/cgi/man.cgi?setsockopt(2)

Has this already been discussed elsewhere?

This is a minor feature, which does not need previous discussion elsewhere

Links to previous discussion of this feature:

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@graingert graingert added the type-feature A feature request or enhancement label Sep 29, 2024
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graingert commented Sep 29, 2024 •
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On some platforms eg Darwin/freebsd socket.create_server(reuse_port=True) doesn't actually allow the port to be reused: only one socket that refuses the port can actually receive traffic. I'd like to be able to indicate my need for load balancing behaviour and get an exception on platforms where it's unavailable

@graingert graingert mentioned this issue Sep 29, 2024
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@glyph glyph mentioned this issue Sep 30, 2024
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graingert added a commit to graingert/cpython that referenced this issue Oct 4, 2024
@graingert
pythongh-124761: add socket.SO_REUSEPORT_LB
b4d9a57
@bedevere-app bedevere-app bot mentioned this issue Oct 4, 2024
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@graingert graingert changed the title Add socket.SO_REUSEPORT_LB and use it in socket.create_server(reuse_port=True) Add socket.SO_REUSEPORT_LB and use it in socket.create_server(reuse_port=True) and BaseEventLoop.create_server Oct 4, 2024
@graingert graingert changed the title Add socket.SO_REUSEPORT_LB and use it in socket.create_server(reuse_port=True) and BaseEventLoop.create_server Add socket.SO_REUSEPORT_LB and use it in socket.create_server(reuse_port=True) and BaseEventLoop.create_server(reuse_port=True) Oct 4, 2024
@picnixz picnixz added extension-modules C modules in the Modules dir stdlib Python modules in the Lib dir labels Oct 14, 2024
kumaraditya303 pushed a commit that referenced this issue Dec 26, 2024
@graingert
gh-124761: add socket.SO_REUSEPORT_LB (#124961)
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This needs support in create_server before closing

@graingert graingert reopened this Dec 26, 2024
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Ah, sorry I missed that.

srinivasreddy pushed a commit to srinivasreddy/cpython that referenced this issue Jan 8, 2025
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pythongh-124761: add socket.SO_REUSEPORT_LB (python#124961)
7646944
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