Alan Guo Xiang Tan 23c38cbf11 DEV: Log Unicorn worker timeout backtraces to Rails.logger (#27257) ... This commit introduces the following changes: 1. Introduce the `SignalTrapLogger` singleton which starts a single thread that polls a queue to log messages with the specified logger. This thread is necessary becasue most loggers cannot be used inside the `Signal.trap` context as they rely on mutexes which are not allowed within the context. 2. Moves the monkey patch in `freedom_patches/unicorn_http_server_patch.rb` to `config/unicorn.config.rb` which is already monkey patching `Unicorn::HttpServer`. 3. `Unicorn::HttpServer` will now automatically send a `USR2` signal to a unicorn worker 2 seconds before the worker is timed out by the Unicorn master. 4. When a Unicorn worker receives a `USR2` signal, it will now log only the main thread's backtraces to `Rails.logger`. Previously, it was `put`ing the backtraces to `STDOUT` which most people wouldn't read. Logging it via `Rails.logger` will make the backtraces easily accessible via `/logs`.		2024-06-03 12:51:12 +08:00
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base.rb	DEV: Log Unicorn worker timeout backtraces to Rails.logger (#27257)	2024-06-03 12:51:12 +08:00
email_sync.rb	DEV: Log Unicorn worker timeout backtraces to Rails.logger (#27257)	2024-06-03 12:51:12 +08:00
rails_autospec.rb	DEV: Apply syntax_tree formatting to lib/*	2023-01-09 12:10:19 +00:00
sidekiq.rb	DEV: Log Unicorn worker timeout backtraces to Rails.logger (#27257)	2024-06-03 12:51:12 +08:00