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https://issues.apache.org/jira/browse/FLINK-13025?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=16927349#comment-16927349
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Aljoscha Krettek commented on FLINK-13025:
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Sorry for the late response, I was quite busy with other stuff and then I was
out sick for a couple of days.
I agree that we need a new connector for ES 7.x. From the comments so far it
seems that a 7.x connector would be compatible with older servers. So we
should, as [~yanghua] suggested, try to maintain one "modern" connector where
we bump versions when new versions come out instead of creating a new connector
for every new version. Right now we have 1.x, 2.x, 5.x, 6.x. I don't think that
will be maintainable in the long run. Does anyone know already if a ES 7.x
connector will work without performance problems with a 6.x server and below?
(We know that the other way round is bad, already.)
> 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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