Re: apt-cacher-ultra beta: Another apt cache, focusing on reliability and offline availability.

From	Andy Smith <andy@strugglers.net>
Newsgroups	linux.debian.user
Subject	Re: apt-cacher-ultra beta: Another apt cache, focusing on reliability and offline availability.
Date	2026-05-19 17:20 +0200
Message-ID	<MWuoF-6kWj-1@gated-at.bofh.it> (permalink)
References	<MWueZ-6kT5-5@gated-at.bofh.it>
Organization	linux.* mail to news gateway

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Hi,

On Tue, May 19, 2026 at 08:51:34AM -0600, Sean Reifschneider wrote:
> I've been working on a new apt cacher I'm calling "apt-cacher-ultra", with
> two goals in mind:
> 
>    -
> 
>    Robustness.
>    -
> 
>    Availability when upstream is down.
> 
> I consider it to be at the beta stage now, I'm slowing down development and
> I'm mostly just letting it soak in my various environments to get hours on
> it to see how robust it proves to be.
> 
> https://github.com/linsomniac/apt-cacher-ultra

Very interesting, thanks, I shall take a look. I currently use
apt-cacher-ng and have done for a long time but it's been very
unreliable in recent releases. I have big problems with:

- Memory leaks. Every few days apt-cacher-ng process exceeds its RAM
  allocation and invokes oom-killer.

- Strange client lockups. "apt update" on some clients occasionally hang
  forever.

- Segfaults in apt-cacher-ng process

All these reported as bugs long ago by others so I've nothing to add to
those bug reports and no real hope of seeing a fix.

So all that to say: I welcome another project attempting to pull this
off: I'm in the market for a replacement and if it's a drop-in for
apt-cacher-ng then that would be ideal.

Thanks,
Andy

-- 
https://bitfolk.com/ -- No-nonsense VPS hosting

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Thread

apt-cacher-ultra beta: Another apt cache, focusing on reliability and  offline availability. Sean Reifschneider <jafo00@gmail.com> - 2026-05-19 17:10 +0200
  Re: apt-cacher-ultra beta: Another apt cache, focusing on  reliability and offline availability. Andy Smith <andy@strugglers.net> - 2026-05-19 17:20 +0200
    Re: apt-cacher-ultra beta: Another apt cache, focusing on reliability  and offline availability. Chime Hart <chime@hubert-humphrey.com> - 2026-05-19 20:10 +0200
      Re: apt-cacher-ultra beta: Another apt cache, focusing on reliability  and offline availability. Darac Marjal <mailinglist@darac.org.uk> - 2026-05-19 20:40 +0200
    Re: apt-cacher-ultra beta: Another apt cache, focusing on  reliability and offline availability. Andy Smith <andy@strugglers.net> - 2026-05-19 20:50 +0200
      Re: apt-cacher-ultra beta: Another apt cache, focusing on  reliability and offline availability. <tomas@tuxteam.de> - 2026-05-19 21:00 +0200
        Re: apt-cacher-ultra beta: Another apt cache, focusing on reliability  and offline availability. The Wanderer <wanderer@fastmail.fm> - 2026-05-19 21:30 +0200
          Re: apt-cacher-ultra beta: Another apt cache, focusing on reliability  and offline availability. The Wanderer <wanderer@fastmail.fm> - 2026-05-20 01:10 +0200
            Re: apt-cacher-ultra beta: Another apt cache, focusing on reliability  and offline availability. The Wanderer <wanderer@fastmail.fm> - 2026-05-20 12:20 +0200
            Re: apt-cacher-ultra beta: Another apt cache, focusing on  reliability and offline availability. Charles Curley <charlescurley@charlescurley.com> - 2026-05-20 19:40 +0200
              Re: apt-cacher-ultra beta: Another apt cache, focusing on  reliability and offline availability. Charles Curley <charlescurley@charlescurley.com> - 2026-05-20 22:20 +0200
                Re: apt-cacher-ultra beta: Another apt cache, focusing on  reliability and offline availability. Charles Curley <charlescurley@charlescurley.com> - 2026-05-21 01:00 +0200
          Re: apt-cacher-ultra beta: Another apt cache, focusing on  reliability and offline availability. <tomas@tuxteam.de> - 2026-05-20 08:30 +0200
          Re: apt-cacher-ultra beta: Another apt cache, focusing on  reliability and offline availability. CGS <etphonehomefrance@gmail.com> - 2026-05-20 18:10 +0200
      Re: apt-cacher-ultra beta: Another apt cache, focusing on reliability  and offline availability. Jeffrey Walton <noloader@gmail.com> - 2026-05-20 03:20 +0200
        Re: apt-cacher-ultra beta: Another apt cache, focusing on  reliability and offline availability. Andy Smith <andy@strugglers.net> - 2026-05-20 13:20 +0200
        Re: apt-cacher-ultra beta: Another apt cache, focusing on  reliability and offline availability. CGS <etphonehomefrance@gmail.com> - 2026-05-20 18:00 +0200
          On the reporting of security bugs discovered by LLM (Was Re:  apt-cacher-ultra beta: Another apt cache, focusing on reliability and  offline availability.) Andy Smith <andy@strugglers.net> - 2026-05-20 19:20 +0200
            Re: On the reporting of security bugs discovered by LLM (Was Re:  apt-cacher-ultra beta: Another apt cache, focusing on reliability and  offline availability.) Dan Ritter <dsr@randomstring.org> - 2026-05-21 14:30 +0200
              Re: On the reporting of security bugs discovered by LLM (Was Re:  apt-cacher-ultra beta: Another apt cache, focusing on reliability and  offline availability.) Dan Ritter <dsr@randomstring.org> - 2026-05-21 17:30 +0200
                Re: On the reporting of security bugs discovered by LLM (Was Re:  apt-cacher-ultra beta: Another apt cache, focusing on reliability and  offline availability.) CGS <etphonehomefrance@gmail.com> - 2026-05-22 17:20 +0200
                Re: On the reporting of security bugs discovered by LLM (Was Re:  apt-cacher-ultra beta: Another apt cache, focusing on reliability and  offline availability.) CGS <etphonehomefrance@gmail.com> - 2026-05-22 17:40 +0200
                Re: On the reporting of security bugs discovered by LLM (Was Re:  apt-cacher-ultra beta: Another apt cache, focusing on reliability and  offline availability.) Dan Ritter <dsr@randomstring.org> - 2026-05-22 18:00 +0200
                Re: On the reporting of security bugs discovered by LLM (Was Re:  apt-cacher-ultra beta: Another apt cache, focusing on reliability and offline  availability.) "James H. H. Lampert" <jamesl@touchtonecorp.com> - 2026-05-22 18:50 +0200
                Re: On the reporting of security bugs discovered by LLM (Was Re:  apt-cacher-ultra beta: Another apt cache, focusing on reliability and  offline availability.) CGS <etphonehomefrance@gmail.com> - 2026-05-24 17:50 +0200
                Re: On the reporting of security bugs discovered by LLM (Was Re:  apt-cacher-ultra beta: Another apt cache, focusing on reliability and  offline availability.) Dan Ritter <dsr@randomstring.org> - 2026-05-22 17:50 +0200
      Re: apt-cacher-ultra beta: Another apt cache, focusing on reliability  and offline availability. Anders Andersson <pipatron@gmail.com> - 2026-05-21 00:20 +0200
        Re: apt-cacher-ultra beta: Another apt cache, focusing on  reliability and offline availability. Andy Smith <andy@strugglers.net> - 2026-05-21 00:30 +0200
          Re: apt-cacher-ultra beta: Another apt cache, focusing on reliability  and offline availability. Anders Andersson <pipatron@gmail.com> - 2026-05-21 21:20 +0200
  Re: apt-cacher-ultra beta: Another apt cache, focusing on  reliability and offline availability. Charles Curley <charlescurley@charlescurley.com> - 2026-05-19 18:40 +0200
    Re: apt-cacher-ultra beta: Another apt cache, focusing on  reliability and offline availability. Charles Curley <charlescurley@charlescurley.com> - 2026-05-20 05:50 +0200
      Re: apt-cacher-ultra beta: Another apt cache, focusing on  reliability and offline availability. Geert Stappers <stappers@stappers.nl> - 2026-05-20 07:10 +0200
  Re: apt-cacher-ultra beta: Another apt cache, focusing on reliability and offline availability. Anssi Saari <anssi.saari@debian-user.mail.kapsi.fi> - 2026-05-22 21:00 +0200
    Re: apt-cacher-ultra beta: Another apt cache, focusing on reliability  and offline availability. Sean Reifschneider <jafo00@gmail.com> - 2026-05-23 19:30 +0200

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