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https://issues.apache.org/jira/browse/HADOOP-18132?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
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John Zhuge resolved HADOOP-18132.
---------------------------------
Resolution: Not A Problem
S3A already performs retries on S3 errors. For details, please check out
https://hadoop.apache.org/docs/current/hadoop-aws/tools/hadoop-aws/index.html#Retry_and_Recovery.
> S3 exponential backoff
> ----------------------
>
> Key: HADOOP-18132
> URL: https://issues.apache.org/jira/browse/HADOOP-18132
> Project: Hadoop Common
> Issue Type: Improvement
> Components: fs/s3
> Reporter: Holden Karau
> Priority: Major
>
> S3 API has limits which we can exceed when using a large number of
> writers/readers/or listers. We should add randomized-exponential back-off to
> the s3 client when it encounters:
>
> com.amazonaws.services.s3.model.AmazonS3Exception: Please reduce your request
> rate. (Service: Amazon S3; Status Code: 503; Error Code: SlowDown;
>
>
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