[jira] [Created] (FLINK-12770) Make number of bulk concurrentRequests configurable

[Shang Yuanchun (Jira)]

Suxing Lee created FLINK-12770:
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             Summary: Make number of bulk concurrentRequests configurable
                 Key: FLINK-12770
                 URL: https://issues.apache.org/jira/browse/FLINK-12770
             Project: Flink
          Issue Type: Improvement
          Components: Connectors / ElasticSearch
            Reporter: Suxing Lee


In order to improve elasticsearchSink throughput by using bulk concurrentRequests.

We may makes number of bulk concurrentRequests configurable. And warns the user how this would affect at-least-once delivery.



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