Hai Zhou UTC+8 created FLINK-7697:
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Summary: Add metrics for Elasticsearch Sink
Key: FLINK-7697
URL: https://issues.apache.org/jira/browse/FLINK-7697
Project: Flink
Issue Type: Wish
Components: ElasticSearch Connector
Reporter: Hai Zhou UTC+8
Priority: Critical
We should add metrics to track events write to ElasticasearchSink.
eg.
* number of successful bulk sends
* number of documents inserted
* number of documents updated
* number of documents version conflicts
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