Yun Tang created FLINK-12520:
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Summary: Support to provide fully-qualified domain host name in
TaskManagerMetricGroup
Key: FLINK-12520
URL: https://issues.apache.org/jira/browse/FLINK-12520
Project: Flink
Issue Type: Improvement
Reporter: Yun Tang
Assignee: Yun Tang
Inspired from Chinese
[user-mail|https://lists.apache.org/thread.html/e1774a42430815b689ea792103d002b1da734d6086682d34c044ef35@%3Cuser-zh.flink.apache.org%3E]
which complains that host name in metrics name could only show the first part.
However, their full host name is like "{{ambari.host12.yy}}" which means the
first part "{{ambari}}" cannot identify anything.
We could support to let user record their full host name in the
TaskManagerMetricGroup so that to identify metrics from different hosts.
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