GNU bug report logs -
#53156
GUIX_DAEMON_SOCKET with ssh doesn't cache connections
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bug#53156
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(Mon, 10 Jan 2022 09:47:02 GMT)
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Message #5 received at submit <at> debbugs.gnu.org (full text, mbox):
[Message part 1 (text/plain, inline)]
I'm experimenting some more with GUIX_DAEMON_SOCKET, and while when
using guix offload I see a socket a /run/user/1000/destination/socket,
there's nothing similar when using
GUIX_DAEMON_SOCKET=ssh://other-machine. Depending on the machine in
question it can take several minutes before a build is started, and I'm
having a hard time maintaining the connection until the end of a longer
build like gccgo.
--
Efraim Flashner <efraim <at> flashner.co.il> רנשלפ םירפא
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Information forwarded
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bug-guix <at> gnu.org
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bug#53156
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(Mon, 10 Jan 2022 17:14:01 GMT)
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Message #8 received at 53156 <at> debbugs.gnu.org (full text, mbox):
Hi Efraim,
Efraim Flashner <efraim <at> flashner.co.il> skribis:
> I'm experimenting some more with GUIX_DAEMON_SOCKET, and while when
> using guix offload I see a socket a /run/user/1000/destination/socket,
What’s this file?
> there's nothing similar when using
> GUIX_DAEMON_SOCKET=ssh://other-machine. Depending on the machine in
> question it can take several minutes before a build is started,
That’s because the daemon RPC protocol is suboptimal in that it makes
lots of round trips, and round trips are very costly over SSH due to
higher latency.
Eventually we’ll need to adjust/change the protocol, but there’s no
short-term solution.
(For connections over TCP, ‘open-inet-socket’ in (guix store) uses
TCP_NODELAY to make this acceptable. There’s #:nodelay #t in (guix
ssh), but that doesn’t much as much of a difference.)
> and I'm having a hard time maintaining the connection until the end of
> a longer build like gccgo.
Is it that the SSH server eventually drop the connection?
HTH,
Ludo’.
Information forwarded
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bug-guix <at> gnu.org
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bug#53156
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guix
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(Fri, 20 May 2022 21:37:02 GMT)
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Message #11 received at 53156 <at> debbugs.gnu.org (full text, mbox):
Hi Efraim,
Should we close this one?
https://issues.guix.gnu.org/53156
Ludo’.
Ludovic Courtès <ludo <at> gnu.org> skribis:
> Hi Efraim,
>
> Efraim Flashner <efraim <at> flashner.co.il> skribis:
>
>> I'm experimenting some more with GUIX_DAEMON_SOCKET, and while when
>> using guix offload I see a socket a /run/user/1000/destination/socket,
>
> What’s this file?
>
>> there's nothing similar when using
>> GUIX_DAEMON_SOCKET=ssh://other-machine. Depending on the machine in
>> question it can take several minutes before a build is started,
>
> That’s because the daemon RPC protocol is suboptimal in that it makes
> lots of round trips, and round trips are very costly over SSH due to
> higher latency.
>
> Eventually we’ll need to adjust/change the protocol, but there’s no
> short-term solution.
>
> (For connections over TCP, ‘open-inet-socket’ in (guix store) uses
> TCP_NODELAY to make this acceptable. There’s #:nodelay #t in (guix
> ssh), but that doesn’t much as much of a difference.)
>
>> and I'm having a hard time maintaining the connection until the end of
>> a longer build like gccgo.
>
> Is it that the SSH server eventually drop the connection?
>
> HTH,
> Ludo’.
Added tag(s) notabug.
Request was from
Ludovic Courtès <ludo <at> gnu.org>
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control <at> debbugs.gnu.org
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(Tue, 20 Dec 2022 22:33:02 GMT)
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bug closed, send any further explanations to
53156 <at> debbugs.gnu.org and Efraim Flashner <efraim <at> flashner.co.il>
Request was from
Ludovic Courtès <ludo <at> gnu.org>
to
control <at> debbugs.gnu.org
.
(Tue, 20 Dec 2022 22:33:02 GMT)
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bug archived.
Request was from
Debbugs Internal Request <help-debbugs <at> gnu.org>
to
internal_control <at> debbugs.gnu.org
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(Wed, 18 Jan 2023 12:24:09 GMT)
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This bug report was last modified 1 year and 90 days ago.
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