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fix logging: add logrotate

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Alexey Avramov 2019-03-20 21:59:19 +09:00
parent 7d13107463
commit 44d7459fa6
1 changed files with 12 additions and 8 deletions
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README.md
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@ -51,7 +51,7 @@ The tools listed above may work at the same time on one computer.
- Notification of corrective actions taken and displaying the name and PID of the victim
- Low memory warnings (displays available memory)
- `zram` support (`mem_used_total` as a trigger)
- Initial [PSI](https://lwn.net/Articles/759658/) ([pressure stall information](https://facebookmicrosites.github.io/psi/)) support
- Initial [PSI](https://lwn.net/Articles/759658/) ([pressure stall information](https://facebookmicrosites.github.io/psi/)) support ([demo](https://youtu.be/2m2c9TGva1Y))
- Easy configuration with a ~~well~~ commented [config file](https://github.com/hakavlad/nohang/blob/master/nohang.conf)
## Requirements
@ -131,14 +131,16 @@ optional arguments:
The program can be configured by editing the [config file](https://github.com/hakavlad/nohang/blob/master/nohang.conf). The configuration includes the following sections:
1. Memory levels to respond to as an OOM threat
2. The frequency of checking the level of available memory (and CPU usage)
3. The prevention of killing innocent victims
4. Impact on the badness of processes via matching their names, cmdlines and UIDs with regular expressions
5. The execution of a specific command or sending any signal instead of sending the SIGTERM signal
6. GUI notifications:
2. Response on PSI memory metrics
3. The frequency of checking the level of available memory (and CPU usage)
4. The prevention of killing innocent victims
5. Impact on the badness of processes via matching their names, cmdlines and UIDs with regular expressions
6. The execution of a specific command or sending any signal instead of sending the SIGTERM signal
7. GUI notifications:
- notifications of corrective actions taken
- low memory warnings
7. Output verbosity
8. Verbosity
9. Misc
Just read the description of the parameters and edit the values. Please restart nohang to apply changes. Default path to the config after installing is `/etc/nohang/nohang.conf`.
@ -184,6 +186,8 @@ $ sudo journalctl -eu nohang
```
See also `man journalctl`.
On non-systemd systems you can enable `separate_log` in config to logging in `/var/log/nohang/nohang.log`.
## Known problems
- Awful documentation.
@ -228,7 +232,7 @@ Please create [issues](https://github.com/hakavlad/nohang/issues). Use cases, fe
- [x] Reduce memory usage with `mlockall()` using `MCL_ONFAULT` ([rfjakob/earlyoom#112](https://github.com/rfjakob/earlyoom/issues/112)) and lock all memory by default
- [x] Reduce memory usage and startup time (using `sys.argv` instead of `argparse`)
- [x] Add initial support for `PSI`
- [x] Improve modifing badness via matching with regular expressions:
- [x] Improve modifing badness via matching with regular expressions:
- [x] Adding the ability to set many different `badness_adj` for processes depending on the matching `name`, `cmdline` and `euid` with the specified regular expressions ([issue #74](https://github.com/hakavlad/nohang/issues/11))
- [x] Fix: replace `re.fullmatch()` by `re.search()`
- [ ] Redesign of the GUI notifications