Robert Coli created CASSANDRA-5084:
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Summary: Cassandra should expose connected client state via JMX
Key: CASSANDRA-5084
URL: https://issues.apache.org/jira/browse/CASSANDRA-5084
Project: Cassandra
Issue Type: Improvement
Reporter: Robert Coli
Priority: Minor
There is currently no good way to determine or estimate how many clients are
connected to a cassandra node without using netstat or (if using sync thrift
server) counting threads. There is also no way to understand what state any
given connection is in. People regularly come into #cassandra/cassandra-user@
and ask how to get the equivalent of a MySQL "SHOW FULL PROCESSLIST."
While I understand that feature parity with SHOW FULL
PROCESSLIST/information_schema.processlist is unlikely, even a few basic
metrics like "number of connected clients" or "number of active clients" would
greatly help with this operational information need.
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