[hbase] review and fix logging levels
-------------------------------------
Key: HADOOP-2353
URL: https://issues.apache.org/jira/browse/HADOOP-2353
Project: Hadoop
Issue Type: Improvement
Components: contrib/hbase
Affects Versions: 0.16.0
Reporter: Jim Kellerman
Priority: Minor
Fix For: 0.16.0
Currently, the only way to tell what is really going on with an HBase cluster
is to enable DEBUG level logging. Unfortunately, this also generates a lot of
'noise' messages. We need to review log messages and see which DEBUG messages
should be promoted to INFO and if any current INFO messages should be demoted
to debug.
In addition, some messages are very verbose and don't really need to be. This
should be fixed too.
A good starting point for review would be to look at the output from
test-contrib. Although that is not everything, it is a place to start working
from.
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