[jira] [Updated] (FLINK-11747) Elasticsearch 6 connector - Expose RestHighLevelClient to allow for custom sniffing

["Flink Jira Bot (Jira)" <ji...@apache.org>]

     [ https://issues.apache.org/jira/browse/FLINK-11747?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel ]

Flink Jira Bot updated FLINK-11747:
-----------------------------------
    Labels: auto-deprioritized-major auto-unassigned pull-request-available stale-minor  (was: auto-deprioritized-major auto-unassigned pull-request-available)

I am the [Flink Jira Bot|https://github.com/apache/flink-jira-bot/] and I help the community manage its development. I see this issues has been marked as Minor but is unassigned and neither itself nor its Sub-Tasks have been updated for 180 days. I have gone ahead and marked it "stale-minor". If this ticket is still Minor, please either assign yourself or give an update. Afterwards, please remove the label or in 7 days the issue will be deprioritized.


> 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
>            Priority: Minor
>              Labels: auto-deprioritized-major, auto-unassigned, pull-request-available, stale-minor
>          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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