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@@ -307,6 +307,15 @@ All of the index level configuration can be found within each
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=== Logging
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Elasticsearch uses an internal logging abstraction and comes, out of the
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-box, with http://logging.apache.org/log4j/[log4j]. It tries to simplify
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+box, with http://logging.apache.org/log4j/1.2/[log4j]. It tries to simplify
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log4j configuration by using http://www.yaml.org/[YAML] to configure it,
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-and the logging configuration file is `config/logging.yml` file.
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+and the logging configuration file is `config/logging.yml`. The
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+http://en.wikipedia.org/wiki/JSON[JSON] and
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+http://en.wikipedia.org/wiki/.properties[properties] formats are also
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+supported. The logger section contains the java packages and their
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+corresponding log level, where it is possible to omit the `org.elasticsearch`
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+prefix. The appender section contains the destinations for the logs.
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+Extensive information on how to customize logging and all the supported
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+appenders can be found on the
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+http://logging.apache.org/log4j/1.2/manual.html[log4j documentation].
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+
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