[erlang-questions] Erlang logging system

Chad DePue <>
Thu May 5 08:26:13 CEST 2011

In the interests of bike shedding a bit here, we noticed a substantial
performance hit for a client application that logged using error_logger so
we wrote a simple log framework that uses macros to allow the caller to
compile out the log statements at runtime for critical modules. You could
extend it to also log to other logs like log4erl, fastlog, etc. Just the
overhead of building the strings for the log, even if you aren't writing
them out, can be quite expensive...


Chad DePue
skype: cdepue

On Wed, May 4, 2011 at 12:50 PM, Tim Watson <>wrote:

> https://github.com/hyperthunk/fastlog. Very simple config/api, works
> with error_logger under the covers. Work in progress.
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