Bill Joyce created CASSANDRA-7022:
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Summary: Consider an option to reduce tracing cost by writing only
to sessions table (not events)
Key: CASSANDRA-7022
URL: https://issues.apache.org/jira/browse/CASSANDRA-7022
Project: Cassandra
Issue Type: Improvement
Components: Core
Environment: C* 2.0.6 running on Ubuntu 12.04
Reporter: Bill Joyce
Priority: Minor
With MySQL and SQL Server, I can profile all queries in high traffic production
environments. I'm assuming the bulk of the C* tracing cost comes in writing to
the system_traces.events table, so it would be great to have an option to write
just the system_traces.session info if that allows me to run 'nodetool
settraceprobability' with a higher probability (ideally a probability of 1).
This along with CASSANDRA-7021 would go a long way in giving us performance
analysis closer to what can be done with more mature back ends.
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