Public bug reported:
I have 16GB or RAM and 2GB of swap. I also usually have several docker
containers up, and also run an IDE (PhpStorm) and Firefox with about a
million tabs open (bad habit, I know).
Each of these things consumes memory, so typically I don't have that much free
RAM.
Every now and then, some webpage I have open in Firefox will trigger something
akin to a memory leak, thus causing Firefox to gradually consume more and more
RAM, until there's no more free RAM left, at which point the computer begins
swapping like crazy and becomes unusable. Usually, I give up waiting for it to
become responsive in a couple minutes and just turn it off and then back on.
That's why I installed oomd. I hoped it would notice the computer
approaching that point of no return and kill Firefox (or PhpStorm, or
whatever else), then I would just reopen the application and continue
working.
BUT THAT NEVER HAPPENS! And I believe that that is worthy of a bug
report, because in essense it means that oomd absolutely fails to do
what it's meant to do.
I have package version 0.4.0-1 installed on Ubuntu 20.04:
$ apt policy oomd
oomd:
Įdiegta: 0.4.0-1
Kandidatas: 0.4.0-1
Versijų lentelė:
*** 0.4.0-1 100
100 /var/lib/dpkg/status
0.3.1-1 500
500 http://lt.archive.ubuntu.com/ubuntu focal/universe amd64 Packages
And whenever I check, the service is running:
$ service oomd status
● oomd.service - Userland out-of-memory killer daemon
Loaded: loaded (/lib/systemd/system/oomd.service; enabled; vendor preset:
enabled)
Active: active (running) since Fri 2020-10-02 08:14:38 EEST; 13min ago
Docs: man:oomd(1)
https://github.com/facebookincubator/oomd#configuration
Main PID: 815 (oomd)
Tasks: 3 (limit: 18864)
Memory: 5.0M (low: 64.0M)
CGroup: /system.slice/oomd.service
└─815 /usr/bin/oomd --interval 1 --config /etc/oomd/oomd.json
--cgroup-fs /sys/fs/cgroup/unified
spal. 02 08:14:38 carbon oomd[815]: [../src/oomd/config/ConfigTypes.cpp:50]
DisableOnDrop=0
spal. 02 08:14:38 carbon oomd[815]: [../src/oomd/config/ConfigTypes.cpp:54]
SilenceLogs=
spal. 02 08:14:38 carbon oomd[815]: [../src/oomd/config/ConfigTypes.cpp:58]
DetectorGroup=free swap goes below 10 percent
spal. 02 08:14:38 carbon oomd[815]: [../src/oomd/config/ConfigTypes.cpp:63]
Detector=swap_free
spal. 02 08:14:38 carbon oomd[815]: [../src/oomd/config/ConfigTypes.cpp:65]
Args=
spal. 02 08:14:38 carbon oomd[815]: [../src/oomd/config/ConfigTypes.cpp:70]
threshold_pct=10
spal. 02 08:14:38 carbon oomd[815]: [../src/oomd/config/ConfigTypes.cpp:79]
Action=kill_by_swap_usage
spal. 02 08:14:38 carbon oomd[815]: [../src/oomd/config/ConfigTypes.cpp:81]
Args=
spal. 02 08:14:38 carbon oomd[815]: [../src/oomd/config/ConfigTypes.cpp:86]
cgroup=user.slice/user-*.slice/session-*.scope,user.slice/user-*.slice/user@*.service/*,system.slice/*
spal. 02 08:14:38 carbon oomd[815]: [../src/oomd/Oomd.cpp:377] Running oomd
But like I said, it seems to be completely not functional.
** Affects: oomd (Ubuntu)
Importance: Undecided
Status: New
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https://bugs.launchpad.net/bugs/1898155
Title:
oomd is useless. at least with default configuration
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