[ 
https://issues.apache.org/jira/browse/BEAM-3026?focusedWorklogId=135662&page=com.atlassian.jira.plugin.system.issuetabpanels:worklog-tabpanel#worklog-135662
 ]

ASF GitHub Bot logged work on BEAM-3026:
----------------------------------------

                Author: ASF GitHub Bot
            Created on: 17/Aug/18 11:05
            Start Date: 17/Aug/18 11:05
    Worklog Time Spent: 10m 
      Work Description: echauchot commented on a change in pull request #6146: 
[BEAM-3026] Adding retrying behavior on ElasticSearchIO
URL: https://github.com/apache/beam/pull/6146#discussion_r210861856
 
 

 ##########
 File path: 
sdks/java/io/elasticsearch/src/main/java/org/apache/beam/sdk/io/elasticsearch/ElasticsearchIO.java
 ##########
 @@ -1013,7 +1160,7 @@ private void flushBatch() throws IOException {
         }
         batch.clear();
         currentBatchSizeBytes = 0;
-        Response response;
+        Response response = null;
 
 Review comment:
   redundant

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Issue Time Tracking
-------------------

    Worklog Id:     (was: 135662)
    Time Spent: 8.5h  (was: 8h 20m)

> 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: 8.5h
>  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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