Stefan Podkowinski created CASSANDRA-12312:
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Summary: Restore JVM metric export for metric reporters
Key: CASSANDRA-12312
URL: https://issues.apache.org/jira/browse/CASSANDRA-12312
Project: Cassandra
Issue Type: Bug
Reporter: Stefan Podkowinski
Assignee: Stefan Podkowinski
JVM instrumentation as part of dropwizard metrics has been moved to a separate
{{metrics-jvm}} artifact in metrics-v3.0. After CASSANDRA-5657, no jvm related
metrics will be exported to any reporter configured via
{{metrics-reporter-config}}, as this isn't part of {{metrics-core}} anymore. As
memory and GC stats are essential for monitoring Cassandra, this turns out to
be a blocker for us for upgrading to 2.2.
I've included a patch that would add the now separate {{metrics-jvm}} package
and enables some of the provided metrics on startup in case a metrics reporter
is used ({{-Dcassandra.metricsReporterConfigFile}}).
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