[erlang-questions] Should we deprecate or modernize log_mf_h and rb?

Martin Bjorklund mbj@REDACTED
Fri Apr 1 13:08:23 CEST 2016


We are not using log_mf_h, but instead we're using disk_log_h (see 

We use this handler to get log rotation, but we log all error logger
messages in clear text (this should IMO be the default).

If you're interested in adding disk_log_h to OTP (search for
disk_log_h in disk_log.erl...), the latest version
(updated as recently as 2006 :) can be found here:

I support the deprecation initiative!


Siri Hansen <erlangsiri@REDACTED> wrote:
> Hello list!
> log_mf_h is an error_logger event handler which logs events to disk and
> does log rotation. rb (report browser) is the tool for reading and
> formatting the logs. The implementation of both modules is quite old and
> outdated. The fact that there is a size field for the events of only 16
> bits, which we haven't got any complaints for, has made us believe that
> there might not be many users of these tools. I'm writing to the list to
> find out if this is correct...
> Are you using log_mf_h (e.g. by setting environment variables
> 'error_logger_mf_*' in sasl) and rb? If so, why - is it the log rotation or
> the binary logging (or both) that you are really after? Have you considered
> alternative tools?
> Kind Regards
> /siri@REDACTED

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