tree 088a4229f7b2f8dcbcc6fa68c51759842b5aa103
parent 09b4d4ff33756c8ad3380713ce07c336aa981bcd
author Tzu-Li (Gordon) Tai <tzulitai@apache.org> 1599191039 +0800
committer Tzu-Li (Gordon) Tai <tzulitai@apache.org> 1599197004 +0800
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[FLINK-19130] [core] Extend metric interfaces for backpressure metrics

This commit extends the FunctionTypeMetrics interface and introduces a
new FunctionDispatcherMetrics interface with a goal to expose the
following backpressure-related metrics:

- Number of blocked addresses (per function type)
- Number of inflight async ops (per function type + per-operator)