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https://issues.apache.org/jira/browse/HADOOP-19181?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=18042497#comment-18042497
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Steve Loughran commented on HADOOP-19181:
-----------------------------------------
ooh, you are right. it's not enough for the new sdk, we need to change some
settings on our side.
I had in my head it came for free with the SDK update
> S3A: IAMCredentialsProvider throttling results in AWS auth failures
> -------------------------------------------------------------------
>
> Key: HADOOP-19181
> URL: https://issues.apache.org/jira/browse/HADOOP-19181
> Project: Hadoop Common
> Issue Type: Sub-task
> Components: fs/s3
> Affects Versions: 3.4.0
> Reporter: Steve Loughran
> Assignee: Steve Loughran
> Priority: Blocker
>
> Tests report throttling errors in IAM being remapped to noauth and failure
> Again, impala tests, but with multiple processes on same host. this means
> that HADOOP-18945 isn't sufficient as even if it ensures a singleton instance
> for a process
> * it doesn't if there are many test buckets (fixable)
> * it doesn't work across processes (not fixable)
> we may be able to
> * use a singleton across all filesystem instances
> * once we know how throttling is reported, handle it through retries +
> error/stats collection
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