Re: sccache(-overlay) to speed up rust builds in poudriere

From: Alexander Leidinger <>
Date: Wed, 27 Sep 2023 11:00:31 UTC
Am 2023-09-27 12:57, schrieb Guido Falsi:
> On 27/09/23 12:54, Alexander Leidinger wrote:
>> Am 2023-09-27 10:56, schrieb Charlie Li:
>>> In poudriere, apart from the fetch phase, network access is not 
>>> allowed by default so spawning a server that listens on an IP that 
>>> does not necessarily exist that clients, individual compiler 
>>> invocations, talk to isn't tenable. At the very least, one would need 
>>> to architect and implement Unix domain socket support there, which 
>>> they are happy to consider.
>> How is poudriere preventing network access outside the fetch phase?
> two (undocumented) guesses:
> - removing interfaces (including lo0)

Then the sccache cache directory shouldn't contain files in my test.

> - no routing

Then the localhost connection still works and sccache should work (which 
would match my empirical test results).


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