Mingliang Liu created FLINK-35504:
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Summary: Improve Elasticsearch 8 connector observability
Key: FLINK-35504
URL: https://issues.apache.org/jira/browse/FLINK-35504
Project: Flink
Issue Type: Improvement
Components: Connectors / ElasticSearch
Affects Versions: elasticsearch-3.1.0
Reporter: Mingliang Liu
Currently all logs are in DEBUG level. Some of those messages are very helpful
to get the progress and errors, which can be changed to INFO or WARN level. We
can also include error details into DEBUG level messages so it's easier to
debug with more context.
Meanwhile, we can update the metric to track {{numRecordsSend}}. FWIW, the base
class tracks following metrics already so we don't need to implement them:
{{CurrentSendTime}} Gauge, {{NumBytesOut}} and {{NumRecordsOut}} Counters.
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