Hi, On Wed, 24 Mar 2021 at 22:55, zimoun wrote: > On Mon, 29 Jan 2018 at 22:07, Maxim Cournoyer wrote: >> When a substitute server used by guix-daemon is offline, the daemon will >> keep attempting to connect to it, even when it shouldn't need any data >> (ran 'sudo guix system reconfigure my-config.scm' multiple times in a >> row. >> >> With the disconnected server (bayfront in my case), that command would >> take close to 8 minutes, with many system calls like: >> >> connect(14, {sa_family=AF_INET, sin_port=htons(443), >> sin_addr=inet_addr("141.255.128.56")}, 16) = -1 EINPROGRESS >> >> which wasted 5 seconds each time. >> >> After removing this server from my substitute servers list, the same >> operation (system reconfigure) is 8 times faster (1 minute). >> >> Suggestion: the daemon should stop trying to use the offline substitute >> server after trying for X times, and print a warning about it. [...] > From: Maxim Cournoyer > Date: Fri, 18 Dec 2020 22:04:04 -0500 (24 weeks, 4 days, 18 hours ago) > > I'm not sure if the recent offloading work that Mathieu did touched that > topic. I'd need to test the scenario. Perhaps a system test would be > useful. > ---------- > > From: Ludovic Courtès > Date: Tue, 22 Dec 2020 16:16:08 +0100 > Date: Tue, 22 Dec 2020 16:16:08 +0100 (24 weeks, 1 day, 6 hours ago) > > Is it still a problem? Commit 4f5234be0378368e6af25925db46612838d25e58 > (Nov. 2019) added a table of unreachable hosts. That way, a ‘guix > substitute --query’ process won’t retry connections to an unreachable > host. > ---------- > > From: Efraim Flashner > Date: Mon, 28 Dec 2020 14:19:02 +0200 > Date: Mon, 28 Dec 2020 14:19:02 +0200 (23 weeks, 2 days, 9 hours ago) > > Occasionally my internet drops itself, and I find I'm left forever > waiting for a timeout to see what sources I have cached locally. > ---------- What is the current stats of this bug? Is it still happening with the recent improvements of Cuirass? Cheers, simon