Logging: Improve threadsafety (#57591) #229
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This doesn't work -- there are multiple changes to the order in which sub-modules of |
Closes JuliaLang#57376 Closes JuliaLang#34037 - Adds a lock in `SimpleLogger` and `ConsoleLogger` for use on maxlog tracking and stream writes to improve threadsafety. Closely similar to JuliaLang#54497 - Turns the internal `_min_enabled_level` into a `Threads.Atomic`. There are [some direct interactions](https://juliahub.com/ui/Search?type=code&q=_min_enabled_level&w=true) to this internal in the ecosystem, but they should still work ``` julia> Base.CoreLogging._min_enabled_level[] = Logging.Info+1 LogLevel(1) ``` - Brings tests over from JuliaLang#57448 Performance seems highly similar: ``` julia> @time for i in 1:10000 @info "foo" maxlog=10000000 end [ Info: foo ... 0.481446 seconds (1.33 M allocations: 89.226 MiB, 0.49% gc time) ``` ``` 0.477235 seconds (1.31 M allocations: 79.002 MiB, 1.77% gc time) ```
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I've rebased the PR and moved the logging include after the concurrency includes, and that fixed the issues. I've tested the patch on RAICode here: https://github.com/RelationalAI/raicode/pull/26263 |
Drvi
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Oct 31, 2025
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PR Description
Adds a lock in
SimpleLoggerandConsoleLoggerfor use on maxlog tracking and stream writes to improve threadsafety. Closely similar to Make TestLogger thread-safe (introduce a lock) JuliaLang/julia#54497Turns the internal
_min_enabled_levelinto aThreads.Atomic. There are some directinteractions to this internal in the ecosystem, but they should still work
Performance seems highly similar:
Checklist
Requirements for merging:
port-to-*labels that don't apply.