Alexey Serbin created KUDU-3270:
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Summary: Add metrics for DNS resolution times and DNS
cache-related metrics
Key: KUDU-3270
URL: https://issues.apache.org/jira/browse/KUDU-3270
Project: Kudu
Issue Type: Improvement
Reporter: Alexey Serbin
When constructing a proxy for remote peer to perform a RPC, DNS resolution is
performed. It would be great to add metrics to measure how much time the DNS
resolution takes. That information could be provided by :
* a histogram for DNS resolver times
* 'standard' cache metrics for the DNS resolver cache
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