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Posted to common-issues@hadoop.apache.org by "Steve Loughran (JIRA)" <ji...@apache.org> on 2019/02/26 16:30:00 UTC

[jira] [Commented] (HADOOP-15894) getFileChecksum() needs to adopt S3Guard

    [ https://issues.apache.org/jira/browse/HADOOP-15894?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=16778156#comment-16778156 ] 

Steve Loughran commented on HADOOP-15894:
-----------------------------------------

HADOOP-16085 plans to actually add etags to S3guard

auth: return that value, 404 if not listed
non-auth: return value if present, fallback to store if present, and then update the s3guard table with entry &checksum

> getFileChecksum() needs to adopt S3Guard
> ----------------------------------------
>
>                 Key: HADOOP-15894
>                 URL: https://issues.apache.org/jira/browse/HADOOP-15894
>             Project: Hadoop Common
>          Issue Type: Sub-task
>          Components: fs/s3
>    Affects Versions: 3.2.0
>            Reporter: Steve Loughran
>            Assignee: lqjacklee
>            Priority: Minor
>
> Encountered a 404 failure in {{ITestS3AMiscOperations.testNonEmptyFileChecksumsUnencrypted}}; newly created file wasn't seen. Even with S3guard enabled, that method isn't doing anything to query the store for it existing.



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