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Merge pull request #1188 from akka/wip-2737-logging-intro-master-patriknw

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Add logging intro, see #2737
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Patrik Nordwall 2013-02-22 07:20:49 -08:00
commit 05edf22efd
2 changed files with 27 additions and 6 deletions
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15
akka-docs/rst/java/logging.rst
View file

@ -4,6 +4,12 @@
Logging (Java) Logging (Java)
################ ################
Logging in Akka is not tied to a specific logging backend. By default
log messages are printed to STDOUT, but you can plug-in a SLF4J logger or
your own logger. Logging is performed asynchronously to ensure that logging
has minimal performance impact. Logging generally means IO and locks,
which can slow down the operations of your code if it was performed
synchronously.
How to Log How to Log
========== ==========
@ -171,8 +177,13 @@ it to ``OFF`` as well, ensures that nothing gets logged during system startup or
Loggers Loggers
======= =======
Logging is performed asynchronously through an event bus. You can configure which loggers that should Logging is performed asynchronously through an event bus. Log events are processed by an event handler actor
subscribe to the logging events. That is done using the 'loggers' element in the :ref:`configuration`. and it will receive the log events in the same order as they were emitted.
One gotcha is that currently the timestamp is attributed in the event handler, not when actually doing the logging.
You can configure which event handlers are created at system start-up and listen to logging events. That is done using the
``loggers`` element in the :ref:`configuration`.
Here you can also define the log level. Here you can also define the log level.
.. code-block:: ruby .. code-block:: ruby

18
akka-docs/rst/scala/logging.rst
View file

@ -4,6 +4,12 @@
Logging (Scala) Logging (Scala)
################# #################
Logging in Akka is not tied to a specific logging backend. By default
log messages are printed to STDOUT, but you can plug-in a SLF4J logger or
your own logger. Logging is performed asynchronously to ensure that logging
has minimal performance impact. Logging generally means IO and locks,
which can slow down the operations of your code if it was performed
synchronously.
How to Log How to Log
========== ==========
@ -214,10 +220,14 @@ it to ``OFF`` as well, ensures that nothing gets logged during system startup or
Loggers Loggers
======= =======
Logging is performed asynchronously through an event bus. You can configure Logging is performed asynchronously through an event bus. Log events are processed by an event handler actor
which loggers that should subscribe to the logging events. That is done and it will receive the log events in the same order as they were emitted.
using the ``loggers`` element in the :ref:`configuration`. Here you can
also define the log level. One gotcha is that currently the timestamp is attributed in the event handler, not when actually doing the logging.
You can configure which event handlers are created at system start-up and listen to logging events. That is done using the
``loggers`` element in the :ref:`configuration`.
Here you can also define the log level.
.. code-block:: ruby .. code-block:: ruby