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#1 2011-03-17 20:31:43

cactus
Taco Eater
From: t͈̫̹ͨa͖͕͎̱͈ͨ͆ć̥̖̝o̫̫̼s͈̭̱̞͍̃!̰
Registered: 2004-05-25
Posts: 4,615
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Looking for opinions on daemontools vs runit.

I have used daemontools quite extensively, and for quite a while.
I am curious if runit is worth switching over to, and how it compares to tried and true daemontools.
I am considering it, due to daemontools not being very well supported in some cases.

Does anyone have real world experience with both runit and daemontools, and could provide a comparison?
Is it worth switching, or is daemontools still the best option out there?

Last edited by cactus (2011-03-17 20:38:37)


"Be conservative in what you send; be liberal in what you accept." -- Postel's Law
"tacos" -- Cactus' Law
"t̥͍͎̪̪͗a̴̻̩͈͚ͨc̠o̩̙͈ͫͅs͙͎̙͊ ͔͇̫̜t͎̳̀a̜̞̗ͩc̗͍͚o̲̯̿s̖̣̤̙͌ ̖̜̈ț̰̫͓ạ̪͖̳c̲͎͕̰̯̃̈o͉ͅs̪ͪ ̜̻̖̜͕" -- -̖͚̫̙̓-̺̠͇ͤ̃ ̜̪̜ͯZ͔̗̭̞ͪA̝͈̙͖̩L͉̠̺͓G̙̞̦͖O̳̗͍

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#2 2011-04-07 04:47:53

DrCR
Member
Registered: 2007-10-08
Posts: 14

Re: Looking for opinions on daemontools vs runit.

Can't help, but have you come to a conclusion on your own to your own question? Just curious.

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#3 2011-04-07 17:35:17

cactus
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From: t͈̫̹ͨa͖͕͎̱͈ͨ͆ć̥̖̝o̫̫̼s͈̭̱̞͍̃!̰
Registered: 2004-05-25
Posts: 4,615
Website

Re: Looking for opinions on daemontools vs runit.

So far I have just stuck with daemontools. The evil you know, so to speak.
I keep thinking about just giving runit a try on one system and see how I like it, but I haven't done so yet.


"Be conservative in what you send; be liberal in what you accept." -- Postel's Law
"tacos" -- Cactus' Law
"t̥͍͎̪̪͗a̴̻̩͈͚ͨc̠o̩̙͈ͫͅs͙͎̙͊ ͔͇̫̜t͎̳̀a̜̞̗ͩc̗͍͚o̲̯̿s̖̣̤̙͌ ̖̜̈ț̰̫͓ạ̪͖̳c̲͎͕̰̯̃̈o͉ͅs̪ͪ ̜̻̖̜͕" -- -̖͚̫̙̓-̺̠͇ͤ̃ ̜̪̜ͯZ͔̗̭̞ͪA̝͈̙͖̩L͉̠̺͓G̙̞̦͖O̳̗͍

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#4 2011-05-08 19:36:04

cactus
Taco Eater
From: t͈̫̹ͨa͖͕͎̱͈ͨ͆ć̥̖̝o̫̫̼s͈̭̱̞͍̃!̰
Registered: 2004-05-25
Posts: 4,615
Website

Re: Looking for opinions on daemontools vs runit.

Ran across this.
http://rubyists.github.com/2011/05/02/r … -else.html

Guess it is time to give runit a try! tongue


"Be conservative in what you send; be liberal in what you accept." -- Postel's Law
"tacos" -- Cactus' Law
"t̥͍͎̪̪͗a̴̻̩͈͚ͨc̠o̩̙͈ͫͅs͙͎̙͊ ͔͇̫̜t͎̳̀a̜̞̗ͩc̗͍͚o̲̯̿s̖̣̤̙͌ ̖̜̈ț̰̫͓ạ̪͖̳c̲͎͕̰̯̃̈o͉ͅs̪ͪ ̜̻̖̜͕" -- -̖͚̫̙̓-̺̠͇ͤ̃ ̜̪̜ͯZ͔̗̭̞ͪA̝͈̙͖̩L͉̠̺͓G̙̞̦͖O̳̗͍

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#5 2011-05-13 03:52:00

cactus
Taco Eater
From: t͈̫̹ͨa͖͕͎̱͈ͨ͆ć̥̖̝o̫̫̼s͈̭̱̞͍̃!̰
Registered: 2004-05-25
Posts: 4,615
Website

Re: Looking for opinions on daemontools vs runit.

opinions and observations so far:

  • runit's runsvdir only shows the stderr from a ./service/run script in the proctitle ps output. I found this an odd difference, as daemontool's readproctitle shows both stdout and stderr.

  • similarly runsv redirects only the stdout to a log service running via ./service/log/run, not the stderr (this goes to readproctitle). This was also somewhat unexpected. Granted it is very common if you are using a logging service to redirect stderr to stdout with an `exec 2>&1` at the start of a ./service/run script...but I still found it another oddity.

  • runit has a cool hack for process dependency support.

    #!/bin/sh
    set -e
    sv -w7 check postgresql
    exec some/app/with/a/dep/on/postgresql
  • runit's sv adds a service name argument to the path to the SVDIR for you. So you can be anywhere and say `sv up serviceName` and `/etc/service/serviceName/run` is started. daemontool's svc requires the full path to the service directory such as `svc -u /etc/service/serviceName`.

  • runit's sv has a few more signals it can send a supervised process for you (sigusr1,2, quit, etc) as apposed to daemontool's svc

  • instead of separate programs for setuidgid, setenvgid, etc.. like daemontools has, runit has a single chpst command that accepts arguments to achieve the same goals

  • runit's sv status output is much nicer/far more informative

  • runit's has man pages! tongue

Last edited by cactus (2011-05-13 04:01:21)


"Be conservative in what you send; be liberal in what you accept." -- Postel's Law
"tacos" -- Cactus' Law
"t̥͍͎̪̪͗a̴̻̩͈͚ͨc̠o̩̙͈ͫͅs͙͎̙͊ ͔͇̫̜t͎̳̀a̜̞̗ͩc̗͍͚o̲̯̿s̖̣̤̙͌ ̖̜̈ț̰̫͓ạ̪͖̳c̲͎͕̰̯̃̈o͉ͅs̪ͪ ̜̻̖̜͕" -- -̖͚̫̙̓-̺̠͇ͤ̃ ̜̪̜ͯZ͔̗̭̞ͪA̝͈̙͖̩L͉̠̺͓G̙̞̦͖O̳̗͍

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