Alexander Dejanovski created CASSANDRA-14326:
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Summary: Handle verbose logging at a different level than DEBUG
Key: CASSANDRA-14326
URL: https://issues.apache.org/jira/browse/CASSANDRA-14326
Project: Cassandra
Issue Type: Improvement
Reporter: Alexander Dejanovski
Fix For: 4.0
CASSANDRA-10241 introduced debug logging turned on by default to act as a
verbose system.log and help troubleshoot production issues.
One of the consequence was to severely affect read performance in 2.2 as
contributors weren't all up to speed on how to use logging levels
(CASSANDRA-14318).
As DEBUG level has a very specific meaning in dev, it is confusing to use it
for always on verbose logging and should probably not be used this way in
Cassandra.
Options so far are :
# Bring back common loggings to INFO level (compactions, flushes, etc...) and
disable debug logging by default
# Use files named as verbose-system.log instead of debug.log and use a custom
logging level instead of DEBUG for verbose tracing, that would be enabled by
default. Debug logging would still exist and be disabled by default and the
root logger level (not just filtered at the appender level).
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