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https://issues.apache.org/jira/browse/FLINK-11747?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=17015627#comment-17015627
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limbo commented on FLINK-11747:
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yes, if we need sniffer function we would like do a lot of work , so can we
add sniffer configuration to the connector?
like that
{{restClientBuilder.enableSniffer()}}
> Elasticsearch 6 connector - Expose RestHighLevelClient to allow for custom
> sniffing
> -----------------------------------------------------------------------------------
>
> Key: FLINK-11747
> URL: https://issues.apache.org/jira/browse/FLINK-11747
> Project: Flink
> Issue Type: Improvement
> Components: Connectors / ElasticSearch
> Reporter: Samir Desai
> Assignee: Aleksandr Salatich
> Priority: Major
> Labels: pull-request-available
> Time Spent: 20m
> Remaining Estimate: 0h
>
> In the Elasticsearch6 connector, the
> [RestClientFactory|https://github.com/apache/flink/blob/release-1.6/flink-connectors/flink-connector-elasticsearch6/src/main/java/org/apache/flink/streaming/connectors/elasticsearch6/RestClientFactory.java#L31]
> allows users to customize the {{RestClientBuilder}}. However, certain
> customizations like adding
> [Sniffing|https://www.elastic.co/guide/en/elasticsearch/client/java-rest/master/_usage.html]
>
> require access to the low-level rest client, which can be obtained through
> the high level rest client. The {{RestHighLevelClient}} is
> [instantiated|https://github.com/apache/flink/blob/master/flink-connectors/flink-connector-elasticsearch6/src/main/java/org/apache/flink/streaming/connectors/elasticsearch6/Elasticsearch6ApiCallBridge.java#L75]
> in the api call bridge, and is never exposed to the user.
> To my knowledge, the current Elasticsearch6 connector does not utilize
> sniffing or provide a way to add it in. The Elasticsearch6 connector should
> expose some type of access to the RestHighLevelClient to allow for custom
> sniffing.
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