[erlang-questions] Clarification inets httpd mod_log output issue
Ingela Anderton Andin
ingela@REDACTED
Tue May 13 11:15:38 CEST 2008
Hi!
I just want to clarify this issue.
When it comes to HTTP logs there are access and error logs. Access logs
have a predefined format defined by the common log format
and this is followed by inets. When it comes to the error log the
format is not strictly defined.
Inets provides a pretty and a compact representation where the pretty is
"standard Erlang indentation" and compact
is the same information but on only one line.
The real problem here is that currently there is no way in erlang io_lib
to write a entry
with ~p semantics that will have no newline. That is why the assumption
was made that sometimes
it might be more important to get one line to allow easy parsing and
let the tool handle the formating.
And otherwise use pretty. It is an error-log and we did not want to
sacrifice the information
from an arbitrary crash report just to make the one liner easy to read.
(pretty is the easy to read the
on liner is actually not always easy to read even with "strings" printed
as strings.)
We are considering possible improvements for this sometime in the future.
Regards Ingela Erlang/OTP, Ericsson
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