GNU bug report logs - #41702
`guix environment` performance issues

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Message #39 received at 41702 <at> debbugs.gnu.org (full text, mbox):

From: Ludovic Courtès <ludo <at> gnu.org>
To: Lars-Dominik Braun <ldb <at> leibniz-psychology.org>
Cc: 41702 <at> debbugs.gnu.org
Subject: Re: bug#41702: `guix environment` performance issues
Date: Wed, 01 Jul 2020 23:53:54 +0200

Hi,

Lars-Dominik Braun <ldb <at> leibniz-psychology.org> skribis:

>> What we need is Guile-SSH bindings for ‘ssh_get_fd’, which would allow
>> us to get at the actual file descriptor after the connection has been
>> opened, and to set TCP_NODELAY there:
>> 
>>   http://api.libssh.org/stable/group__libssh__session.html#gafe509fcea47714b5cd277d1e35e83276
>> 
>> It’s not 100% clear though if it returns that “right” FD when there’s a
>> proxy command.
> wouldn’t it be easier to add the SSH_OPTIONS_NODELAY option (see [1]) to
> guile-ssh (should be trivial[2]) and let guile-ssh handle all the connection
> stuff without touching the socket? Or do we need the raw socket elsewhere?

Good idea, I had overlooked that possibility.

Would you like to send them a patch?

Thanks,
Ludo’.

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