Module collector

Structs§

GlobalCollector 🔒: GlobalCollector collects traced hummock operations. It starts a collector thread and writer thread.
MayTraceSpan
TraceSpan: TraceSpan traces hummock operations. It marks the beginning of an operation and the end when the span is dropped. So, please make sure the span live long enough. Underscore binding like let _ = span will drop the span immediately.

init_collector: Initialize the GLOBAL_COLLECTOR with configured log file
set_should_use_trace 🔒: Sets the value of the SHOULD_USE_TRACE flag based on the USE_TRACE environment variable
should_use_trace: Returns whether trace should be used based on the environment variable