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https://issues.apache.org/jira/browse/FLINK-17623?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
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Yun Wang updated FLINK-17623:
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Description:
There should be a way for an [ElasticsearchSinkFunction|#L61]] implementation
to use resources with the same lifecycle as the Elasticsearch sink, for
example, an
[RestHighLevelClient|[https://www.elastic.co/guide/en/elasticsearch/client/java-rest/master/java-rest-high.html]].
Currently there is no way to clean up such resources. This can be achieved by
exposing a `close()` method in the ElasticsearchSinkFunction interface, and
invoke the close method from [ElasticsearchSinkBase.close
|[https://github.com/apache/flink/blob/master/flink-connectors/flink-connector-elasticsearch-base/src/main/java/org/apache/flink/streaming/connectors/elasticsearch/ElasticsearchSinkBase.java|https://github.com/apache/flink/blob/master/flink-connectors/flink-connector-elasticsearch-base/src/main/java/org/apache/flink/streaming/connectors/elasticsearch/ElasticsearchSinkBase.java#L331]].
was:
There should be a way for an [ElasticsearchSinkFunction|#L61]] implementation
to use resources with the same lifecycle as the Elasticsearch sink, for
example, an
[RestHighLevelClient|[https://www.elastic.co/guide/en/elasticsearch/client/java-rest/master/java-rest-high.html]].
Currently there is no way to clean up such resources. This can be achieved by
exposing a `close()` method in the ElasticsearchSinkFunction interface, and
invoke the close method from [ElasticsearchSinkBase.close ||#L331]]
[https://github.com/apache/flink/blob/master/flink-connectors/flink-connector-elasticsearch-base/src/main/java/org/apache/flink/streaming/connectors/elasticsearch/ElasticsearchSinkBase.java|https://github.com/apache/flink/blob/master/flink-connectors/flink-connector-elasticsearch-base/src/main/java/org/apache/flink/streaming/connectors/elasticsearch/ElasticsearchSinkBase.java#L331]].
> Elasticsearch sink should support user resource cleanup
> -------------------------------------------------------
>
> Key: FLINK-17623
> URL: https://issues.apache.org/jira/browse/FLINK-17623
> Project: Flink
> Issue Type: Improvement
> Components: Connectors / ElasticSearch
> Reporter: Yun Wang
> Priority: Major
> Labels: usability
>
> There should be a way for an [ElasticsearchSinkFunction|#L61]] implementation
> to use resources with the same lifecycle as the Elasticsearch sink, for
> example, an
> [RestHighLevelClient|[https://www.elastic.co/guide/en/elasticsearch/client/java-rest/master/java-rest-high.html]].
> Currently there is no way to clean up such resources. This can be achieved by
> exposing a `close()` method in the ElasticsearchSinkFunction interface, and
> invoke the close method from [ElasticsearchSinkBase.close
> |[https://github.com/apache/flink/blob/master/flink-connectors/flink-connector-elasticsearch-base/src/main/java/org/apache/flink/streaming/connectors/elasticsearch/ElasticsearchSinkBase.java|https://github.com/apache/flink/blob/master/flink-connectors/flink-connector-elasticsearch-base/src/main/java/org/apache/flink/streaming/connectors/elasticsearch/ElasticsearchSinkBase.java#L331]].
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