[erlang-questions] [ANN] Lager 3.0.0 is here
Thu Jul 23 19:55:44 CEST 2015
As promised the long awaited lager 3.0.0 branch was pushed to master today.
A new tag 3.0.0 is also available if you want to pin your deps. Our
testing gives us good confidence that 3.0.0 should be mostly-backwards
compatible with 2.x (please note that tracing semantics are NOT backward
compatible. See the README in the repo for details.)
Highlights of the new features and improvements in 3.0 include:
+ multiple sinks for log messages (including configurable behavior about
when and where to drop messages)
+ Several bug fixes with Unicode and log_root directives.
+ Additional lager configuration checking
+ New configurable group leader IO behavior
+ Support abbreviated severity levels in log output
+ If a record contains "undefined" fields optionally omit them from output
+ Several test suite bug fixes
+ Several new tests to cover multiple sinks
+ OTP 17 compatibility
+ Makes the "high watermark" load shedding logic available to backends (if
desired) and is implemented in the file backend (if desired.)
+ Bring in goldrush 0.1.7 for additional operators which may be used in
There is also a 2.x maintenance branch and a 2.2.0 tag which has OTP 17
support and some minor bug fixes backported from 3.0 if you're looking for
OTP 17 support but aren't ready to transition to 3.0 yet.
We also have a triaged list of issues for 3.next on lager which you may
review at https://github.com/basho/lager/labels/3.x%20future (but there are
no firm release plans for a 3.next release right now.)
We hope you enjoy all of these new features in lager.
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