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https://issues.apache.org/jira/browse/BEAM-3026?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=16583569#comment-16583569
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Etienne Chauchot commented on BEAM-3026:
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You're right [~timrobertson100] 429 is not a retry code in ES because retrying
it can amplify the load of the cluster. We need a very exponential back off to
avoid so. I'll check in Ravi's PR if it's exponential enough.
> Improve retrying in ElasticSearch client
> ----------------------------------------
>
> Key: BEAM-3026
> URL: https://issues.apache.org/jira/browse/BEAM-3026
> Project: Beam
> Issue Type: Improvement
> Components: io-java-elasticsearch
> Reporter: Tim Robertson
> Assignee: Ravi Pathak
> Priority: Major
> Fix For: 2.7.0
>
> Time Spent: 7h
> Remaining Estimate: 0h
>
> Currently an overloaded ES server will result in clients failing fast.
> I suggest implementing backoff pauses. Perhaps something like this:
> {code}
> ElasticsearchIO.ConnectionConfiguration conn =
> ElasticsearchIO.ConnectionConfiguration
> .create(new String[]{"http://...:9200"}, "test", "test")
> .retryWithWaitStrategy(WaitStrategies.exponentialBackoff(1000,
> TimeUnit.MILLISECONDS)
> .retryWithStopStrategy(StopStrategies.stopAfterAttempt(10)
> );
> {code}
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