Hi, I have written a small program called nginwho for my company that parses nginx logs and stores them in a database. Here is the link to the repo:
<https://github.com/pouriyajamshidi/nginwho> The program is compiled using `-d:release --mm:orc --threads:off` flags and Nim version 2.0.2: > nim --version Nim Compiler Version 2.0.2 [Linux: amd64] Compiled at 2023-12-15 Copyright (c) 2006-2023 by Andreas Rumpf git hash: c4c44d10df8a14204a75c34e499def200589cb7c active boot switches: -d:release Run While monitoring the process on one of our servers (and then others), we noticed it is consuming `100MB` memory which seemed not right. So, I wrote a Bash script to continuously monitor the memory usage of this process and noticed this recurring pattern: 2024-03-05 18:13:13 -> 1 MB 2024-03-05 18:13:18 -> 2 MB 2024-03-05 18:13:28 -> 4 MB 2024-03-05 18:14:59 -> 5 MB 2024-03-05 18:16:49 -> 6 MB 2024-03-05 18:18:29 -> 7 MB 2024-03-05 18:19:49 -> 8 MB 2024-03-05 18:21:29 -> 9 MB 2024-03-05 21:17:17 -> 10 MB 2024-03-05 21:19:07 -> 11 MB 2024-03-05 21:20:48 -> 12 MB 2024-03-05 21:22:08 -> 13 MB 2024-03-05 21:24:18 -> 14 MB ... 2024-03-05 21:01:10 -> 104 MB 2024-03-05 21:02:50 -> 105 MB 2024-03-05 21:04:30 -> 106 MB 2024-03-05 21:05:50 -> 107 MB 2024-03-05 21:07:10 -> 1 MB 2024-03-05 21:07:15 -> 2 MB 2024-03-05 21:07:26 -> 4 MB Run The consumption starts at `1MB` and roughly every one minute and forty-fifty seconds it consumes another `1MB` till it reaches exactly `107MB`. Then the consumption goes back to 1MB and the story repeats. Our nginx logs are rotated whenever they hit the `200KB` size. Not sure what is happening here. Could anyone please guide us? Is it something with the program itself? I am trying to advocate Nim's usage within my company and I would like to not have unforeseen edge cases that ultimately push back this beautiful language.
