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Posted to common-issues@hadoop.apache.org by "Steve Loughran (JIRA)" <ji...@apache.org> on 2017/12/04 15:56:00 UTC
[jira] [Commented] (HADOOP-14437) AdlFileSystem.getAclStatus()
returns unexpected ACL information
[ https://issues.apache.org/jira/browse/HADOOP-14437?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=16276979#comment-16276979 ]
Steve Loughran commented on HADOOP-14437:
-----------------------------------------
I don't like flags: change the API to match what is expected
Assuming the code to use this in in-house, is moving it in sync with ADL releases going to be hard?
> AdlFileSystem.getAclStatus() returns unexpected ACL information
> ---------------------------------------------------------------
>
> Key: HADOOP-14437
> URL: https://issues.apache.org/jira/browse/HADOOP-14437
> Project: Hadoop Common
> Issue Type: Sub-task
> Components: fs/adl
> Reporter: Sailesh Mukil
> Labels: acl, api-breaking
>
> The HDFS getAclStatus() returns ACL information of a file and how that pertains to a Hadoop user/group.
> However, the ADLS getAclStatus() returns ACL information of a file but does not map them to Hadoop users/groups and instead maps them to the client ID of the SPI.
> The components built around Hadoop use this API with the expectation that the ACL information returned will be mapped to Hadoop users/groups, i.e. the components expect it to have the same behavior as other filesystems that support this API.
> If not, the components need to have logic to handle this case where if they're talking to ADLS, they won't look for matching the Hadoop user/group, but instead the client ID. And once AdlFileSystem changes its API to be able to map to Hadoop users/groups, it will be a breaking change for all the components.
> Until such functionality is able to be provided, I would suggest that the getAclStatus() be unsupported, just as it is in S3AFileSystem.
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