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https://issues.apache.org/jira/browse/FLINK-13025?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=16922836#comment-16922836
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Leonid Ilyevsky commented on FLINK-13025:
-----------------------------------------
I just confirmed that using elasticsearch6 connector against Elasticsearch 7.x
server has huge impact on performance, making it pretty much useless in our
environment (we are processing hundreds of millions documents every day). All
this because of that warning for every document.
> Elasticsearch 7.x support
> -------------------------
>
> Key: FLINK-13025
> URL: https://issues.apache.org/jira/browse/FLINK-13025
> Project: Flink
> Issue Type: New Feature
> Components: Connectors / ElasticSearch
> Affects Versions: 1.8.0
> Reporter: Keegan Standifer
> Priority: Major
>
> Elasticsearch 7.0.0 was released in April of 2019:
> [https://www.elastic.co/blog/elasticsearch-7-0-0-released]
> The latest elasticsearch connector is
> [flink-connector-elasticsearch6|https://github.com/apache/flink/tree/master/flink-connectors/flink-connector-elasticsearch6]
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