chenzihao created FLINK-41457:
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Summary: Support configuring refresh policy for bulk requests in
Elasticsearch sink
Key: FLINK-41457
URL: https://issues.apache.org/jira/browse/FLINK-41457
Project: Flink
Issue Type: Improvement
Components: Connectors / ElasticSearch
Reporter: chenzihao
In low-volume scenarios, users often require written data to be searchable
immediately. However, the Elasticsearch sink always sends bulk requests with
refresh=false. The Bulk API supports a per-request refresh parameter (false /
true / wait_for). This ticket proposes to expose it in the sink.
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