Andrew created CASSANDRA-19722:
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Summary: Metric for Cross Node DC Latency records external DCs as
UNKNOWN_DC until restart
Key: CASSANDRA-19722
URL: https://issues.apache.org/jira/browse/CASSANDRA-19722
Project: Cassandra
Issue Type: Bug
Reporter: Andrew
When creating a new DC for a different region (In this case, on AWS), I've
noticed that the metric (JMX Exporter):
`org.apache.cassandra.metrics:type=Messaging,name=*-Latency` shows `UNKNOWN_DC`
for external datacenters until the node is restarted, at which point it seems
to resolve to the actual datacenter name.
I'm using GossipingFileSnitch and nodetool status and nodetool gossipinfo
always show the correct DC for the nodes, which makes me suspect there's some
variable that's responsible for the metric that isn't updated
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