[ 
https://issues.apache.org/jira/browse/HADOOP-15547?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
 ]

Thomas Marquardt updated HADOOP-15547:
--------------------------------------
    Status: Patch Available  (was: Open)

See comments above on the change and test results.

> WASB: listStatus performance
> ----------------------------
>
>                 Key: HADOOP-15547
>                 URL: https://issues.apache.org/jira/browse/HADOOP-15547
>             Project: Hadoop Common
>          Issue Type: Bug
>          Components: fs/azure
>    Affects Versions: 3.0.2, 2.9.1
>            Reporter: Thomas Marquardt
>            Assignee: Thomas Marquardt
>            Priority: Major
>         Attachments: HADOOP-15547.001.patch
>
>
> The WASB implementation of Filesystem.listStatus is very slow due to O(n!) 
> algorithm to remove duplicates and uses too much memory due to the extra 
> conversion from BlobListItem to FileMetadata to FileStatus.  It takes over 30 
> minutes to list 700,000 files.  



--
This message was sent by Atlassian JIRA
(v7.6.3#76005)

---------------------------------------------------------------------
To unsubscribe, e-mail: common-issues-unsubscr...@hadoop.apache.org
For additional commands, e-mail: common-issues-h...@hadoop.apache.org

Reply via email to