[jira] [Comment Edited] (HADOOP-18188) Support touch command for directory

["Steve Loughran (Jira)" <ji...@apache.org>]

    [ https://issues.apache.org/jira/browse/HADOOP-18188?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=17514738#comment-17514738 ] 

Steve Loughran edited comment on HADOOP-18188 at 3/30/22, 2:24 PM:
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be interesting to see which filesystems don't like this...maybe add a new contract test for the stores to implement

+ a new patch capability string we set on those stores we know have it
file, hdfs. webhdfs, abfs in hierarchical mode (yes?)


was (Author: stevel@apache.org):
be interesting to see which filesystems don't like this...maybe add a new contract test for the stores to implement

> Support touch command for directory
> -----------------------------------
>
>                 Key: HADOOP-18188
>                 URL: https://issues.apache.org/jira/browse/HADOOP-18188
>             Project: Hadoop Common
>          Issue Type: Improvement
>            Reporter: Akira Ajisaka
>            Assignee: Viraj Jasani
>            Priority: Major
>
> Currently hadoop fs -touch command cannot update the mtime and the atime of directory. The feature would be useful when we check whether the filesystem is ready to write or not without creating any file.



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