refactor(logging): Minor refactor on logging module

apache / incubator-pegasus

Apache Pegasus - A horizontally scalable, strongly consistent and high-performance key-value store

https://pegasus.apache.org/

Apache License 2.0

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Closed acelyc111 closed 1 month ago

acelyc111 commented 1 month ago

Mainly including:

Using fmt::format/print instead of sprintf/printf, which is more convenient and faster
Add some configuration validators
Encapsulate print_header(), print_long_header() and print_body() for screen_logger and simple_logger
Add more comments
Naming improvment