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https://issues.apache.org/jira/browse/HADOOP-13205?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
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Steve Loughran resolved HADOOP-13205.
-------------------------------------
       Resolution: Fixed
    Fix Version/s: 3.1.0

Fixed in HADOOP-13786

> S3A to support custom retry policies; failfast on unknown host
> --------------------------------------------------------------
>
>                 Key: HADOOP-13205
>                 URL: https://issues.apache.org/jira/browse/HADOOP-13205
>             Project: Hadoop Common
>          Issue Type: Sub-task
>          Components: fs/s3
>    Affects Versions: 2.8.0
>            Reporter: Steve Loughran
>            Assignee: Steve Loughran
>             Fix For: 3.1.0
>
>
> Noticed today that when connections are down, S3A retries on 
> UnknownHostExceptions logging noisily in the process.
> # it should be possible to define or customize retry policies for an FS 
> instance (fail fast, exponential backoff, etc)
> # we may want to explicitly have a fail-fast-if-offline retry policy, 
> catching the common connectivity ones.
> Testing will be fun here.



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