Here’s how you can profile the lemmy server cpu usage with perf (a standard linux tool):
Run this to record 10 s of CPU samples:
perf record -p $(pidof lemmy_server) --call-graph=lbr -a -- sleep 10
Then run this to show the output perf report.
Screenshot example:
Post your result here. There might be something obvious causing high usage.
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Thank you for sharing. Storage I/O tips?
The default Docker install, last time I looked IIRC, has rust logging cranked really high.
bcc-tools.