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https://issues.apache.org/jira/browse/FLINK-3857?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=15272189#comment-15272189
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ASF GitHub Bot commented on FLINK-3857:
---------------------------------------
Github user rmetzger commented on a diff in the pull request:
https://github.com/apache/flink/pull/1962#discussion_r62172571
--- Diff:
flink-streaming-connectors/flink-connector-elasticsearch2/src/main/java/org/apache/flink/streaming/connectors/elasticsearch2/ElasticsearchSink.java
---
@@ -86,6 +88,7 @@
public static final String CONFIG_KEY_BULK_FLUSH_MAX_ACTIONS =
"bulk.flush.max.actions";
public static final String CONFIG_KEY_BULK_FLUSH_MAX_SIZE_MB =
"bulk.flush.max.size.mb";
public static final String CONFIG_KEY_BULK_FLUSH_INTERVAL_MS =
"bulk.flush.interval.ms";
+ public static final String CONFIG_NO_OF_CONN_RETRIES = "conn.retries";
--- End diff --
We usually don't abbreviate configuration keys. Can you rename it to
"CONFIG_KEY_CONNECTION_RETRIES" ?
> 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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