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I will take OpenRC to my grave
I'm more of a runit guy, but I started using Alpine recently, and I have to say, openrc is also pretty nice!
Unit files, sockets and systemctl
Stop it Patrick, you're scaring him!
What "scares" me the most is the journal... for some reason it takes too long to get specific unit logs, and should anything break down in it, there is no way for me to fix it. Like logging has been solved forever, and I prefer specific unit logs to the abomination of journalctl.
But like unit files are everywhere, and systemctl at its core is a nice cmd utility.
The thing with journalctl is that it is a database. Thus means that searching and finding things can be fast and easy in high complexity cases but it can also stall in cases with very high resource usage.
Thing is that they could have preserved the textual nature and had some sort of external metadata to facilitate the 'fanciness'. I have worked in other logging systems that did that, with the ability to consume the plaintext logs in an 'old fashioned' way but a utility being able to do all the nice filtering, search, and special event marking that journalctl provides without compromising the existence of the plain text.
Plain text is slow and cumbersome for large amounts of logs. It would of had a decent performance penalty for little value add.
If you like text you can pipe journalctl
But if journalctl is slow, piping is not helping.
We have only one week of very sparse logs in it, yet it takes several seconds... greping tens of gigabytes of logs can be sometimes faster. That is insane.
Strange
Probably worth asking on a technical
As I said, I've dealt with logging where the variable length text was kept as plain text, with external metadata/index as binary. You have best of both worlds here. Plus it's easier to have very predictable entry alignment, as the messy variable data is kept outside the binary file, and the binary file can have more fixed record sizes. You may have some duplicate data (e.g. the text file has a text version of a timestamp duplicated with the metadata binary timestamp), but overall not too bad.
But why?
I just can't grasp why such elementary things need to be so fancied up.
It's not like we don't have databases and use them for relevant data. But this isn't it.
And databases with hundreds of milions of rows are faster than journalctl (in my experience on the same hardware).
Just like windows even log
What scared me about it is this kind of shit.
science progresses one funeral at a time
There is nothing scientific about systemd
cool
