Scaling Mastodon with systemd template units

• overmind

  15 2,712 6.4 Go

  Process manager for Procfile-based applications and tmux

• systemd

  518 12,516 10.0 C

  The systemd System and Service Manager

  

Well, to be fair you can't exactly ask typical syslog demon "give me log files of an app" but the way journalctl implemented it is just fucking terrible.

It takes 4 whole seconds [1] for systemctl/journald to tell me it has no logs for the daemon on my NAS and it opens 985 files while it is doing it

If it just used sqlite as a backend it might've been useful for analysis (on top of way faster...) but Lennart wanted to have a go at implementing binary DB format badly so we're stuck with it.

If it at least kept a pointer to last file the app's logs were written to the lack of proper indexing also wouldn't be a problem.

But nope, it's just entirely worse than text format. And I do mean that in entirety, acking thru text files is faster than systemctl trying to find log files for the app...

* [1] https://github.com/systemd/systemd/issues/2460

• InfluxDB

  www.influxdata.com featured

  Power Real-Time Data Analytics at Scale. Get real-time insights from all types of time series data with InfluxDB. Ingest, query, and analyze billions of data points in real-time with unbounded cardinality.

  

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