default log4j root logger configuration has neg perf impact with no benefit,
change default level to INFO
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Key: ZOOKEEPER-223
URL: https://issues.apache.org/jira/browse/ZOOKEEPER-223
Project: Zookeeper
Issue Type: Improvement
Components: java client, server
Affects Versions: 3.0.0
Reporter: Patrick Hunt
Fix For: 3.0.1, 3.1.0
The default log4j.properties has:
log4j.rootLogger=DEBUG, CONSOLE
where the console appender is only outputting INFO level and above.
This is resulting in a large number of debug logs being generated, which are
all filtered out by the console appender (by default there are no other
appenders used)
We need to change the default rootLogger to INFO level, which will resolve this
issue.
Users are free to change this of course -- most likely they would only do this
when debugging an issue, and would not want to run in DEBUG in production
(again, they are free to choose).
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