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https://issues.apache.org/jira/browse/FLINK-11747?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=17323346#comment-17323346
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Flink Jira Bot commented on FLINK-11747:
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This issue is assigned but has not received an update in 7 days so it has been
labeled "stale-assigned". If you are still working on the issue, please give an
update and remove the label. If you are no longer working on the issue, please
unassign so someone else may work on it. In 7 days the issue will be
automatically unassigned.
> 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, stale-assigned
> 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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