Tyler Hobbs created CASSANDRA-12074:
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Summary: Faster check for open JMX port on startup
Key: CASSANDRA-12074
URL: https://issues.apache.org/jira/browse/CASSANDRA-12074
Project: Cassandra
Issue Type: Improvement
Components: Lifecycle
Reporter: Tyler Hobbs
Assignee: Tyler Hobbs
Priority: Minor
Fix For: 3.x
Since CASSANDRA-7245, we check whether the JMX port is available before
starting Cassandra in order to provide a better error message when another
Cassandra process is already running. The current check starts a Java process
to do this, which takes ~3 seconds. Instead, we can use {{lsof}}, which is
basically instantaneous.
By my estimate, this will shave about 40 minutes off our dtest runs.
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