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https://issues.apache.org/jira/browse/HADOOP-17673?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
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Wei-Chiu Chuang updated HADOOP-17673:
-------------------------------------
    Labels: release-blocker  (was: )

> IOStatistics API in branch-3.3 break compatibility
> --------------------------------------------------
>
>                 Key: HADOOP-17673
>                 URL: https://issues.apache.org/jira/browse/HADOOP-17673
>             Project: Hadoop Common
>          Issue Type: Bug
>            Reporter: Wei-Chiu Chuang
>            Priority: Critical
>              Labels: release-blocker
>
> The S3 delegation token feature (3.3.0) added APIĀ 
> {code:java}
>   AmazonS3 createS3Client(URI name,
>       String bucket,
>       AWSCredentialsProvider credentialSet,
>       String userAgentSuffix) throws IOException;
>  {code}
> However, the IOStatistics API (HADOOP-17271, HADOOP-13551. in 3.3.1) changed 
> it to
> {code:java}
>   AmazonS3 createS3Client(URI name,
>       String bucket,
>       AWSCredentialsProvider credentialSet,
>       String userAgentSuffix) throws IOException; {code}
> The API is declared evolving, so we're not supposed to break compat between 
> maintenance releases.
> [~ste...@apache.org]



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