[jira] [Commented] (HDDS-4360) ListFileStatus : list all the descendants of a given dir recursively

["Rakesh Radhakrishnan (Jira)" <ji...@apache.org>]

    [ https://issues.apache.org/jira/browse/HDDS-4360?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=17317346#comment-17317346 ] 

Rakesh Radhakrishnan commented on HDDS-4360:
--------------------------------------------

{{recursive}} param is not set to {{true}}  in any of the logic, will re-open if needed.

> ListFileStatus : list all the descendants of a given dir recursively
> --------------------------------------------------------------------
>
>                 Key: HDDS-4360
>                 URL: https://issues.apache.org/jira/browse/HDDS-4360
>             Project: Apache Ozone
>          Issue Type: Sub-task
>            Reporter: Rakesh Radhakrishnan
>            Assignee: Rakesh Radhakrishnan
>            Priority: Major
>
> This task is to handle listing files with recursive flag {{true}}. Here it has to list all the descendants of a given directory.
> {code}
> OzoneManagerFS#listStatus(keyArgs, recursive, startKey, numEntries);
> {code}
> +Hint:+ 
> When recursive flag=true, parentID can change between two pages. Say, Constants.LISTING_PAGE_SIZE = 1024.
> For example: OM has a namespace like,
> {code:java}
> /dir1/1...1Million files and /dir1/dir2/1...1Million files.
> /dir1/1...1Million directories and /dir1/dir2/1...1Million directories.
> {code}
> Listing "{{/dir1"}} will change its parentID when fetching the files under "{{/dir1/dir2"}}
>  which will be taken from {{startKey="/dir1/dir2"}} value.



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