Jon Haddad created CASSANDRA-15589:
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Summary: Add histogram to prepared statements and expose as
virtual table
Key: CASSANDRA-15589
URL: https://issues.apache.org/jira/browse/CASSANDRA-15589
Project: Cassandra
Issue Type: Improvement
Components: Observability/Metrics
Reporter: Jon Haddad
One of the biggest challenges as an operator is understanding what queries are
being executed and how long they take. We have the ability to take short
samples via profileload, but it’s lacking the full diagnostics that keeping
histograms on each prepared statement could give us. Having this would be a
massive benefit to most operators as they currently have no idea what Cassandra
is actually doing.
Before committing let’s be sure to record some CPU flame graphs to ensure there
isn’t noticeable performance overhead.
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