[jira] [Created] (FLINK-12520) Support to provide fully-qualified domain host name in TaskManagerMetricGroup

[Shang Yuanchun (Jira)]

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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