[jira] [Commented] (FLINK-3857) Add reconnect attempt to Elasticsearch host

["ASF GitHub Bot (JIRA)" <ji...@apache.org>]

    [ https://issues.apache.org/jira/browse/FLINK-3857?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=15492554#comment-15492554 ] 

ASF GitHub Bot commented on FLINK-3857:
---------------------------------------

Github user tzulitai commented on the issue:

    https://github.com/apache/flink/pull/1962
  
    Thanks @HungUnicorn, thats useful info. I wonder though if this config should be set by the user, instead of letting the connector internally set this.


> Add reconnect attempt to Elasticsearch host
> -------------------------------------------
>
>                 Key: FLINK-3857
>                 URL: https://issues.apache.org/jira/browse/FLINK-3857
>             Project: Flink
>          Issue Type: Improvement
>          Components: Streaming Connectors
>    Affects Versions: 1.1.0, 1.0.2
>            Reporter: Fabian Hueske
>            Assignee: Subhobrata Dey
>
> Currently, the connection to the Elasticsearch host is opened in {{ElasticsearchSink.open()}}. In case the connection is lost (maybe due to a changed DNS entry), the sink fails.
> I propose to catch the Exception for lost connections in the {{invoke()}} method and try to re-open the connection for a configurable number of times with a certain delay.



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