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Posted to issues@ozone.apache.org by "Xiaoyu Yao (Jira)" <ji...@apache.org> on 2020/06/23 21:23:00 UTC

[jira] [Resolved] (HDDS-3286) BasicOzoneFileSystem support batchDelete

     [ https://issues.apache.org/jira/browse/HDDS-3286?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel ]

Xiaoyu Yao resolved HDDS-3286.
------------------------------
    Fix Version/s: 0.6.0
       Resolution: Fixed

Thanks [~micahzhao] for the contribution and all for the reviews. I've merged the PR to master. 

> BasicOzoneFileSystem  support batchDelete
> -----------------------------------------
>
>                 Key: HDDS-3286
>                 URL: https://issues.apache.org/jira/browse/HDDS-3286
>             Project: Hadoop Distributed Data Store
>          Issue Type: Improvement
>          Components: Ozone Filesystem
>            Reporter: mingchao zhao
>            Assignee: mingchao zhao
>            Priority: Major
>              Labels: Triaged, pull-request-available
>             Fix For: 0.6.0
>
>          Time Spent: 20m
>  Remaining Estimate: 0h
>
>     Currently delete file is to get all the keys in the directory, and then delete one by one. And the same with rename. This makes for poor performance.
>     By tested the deletion path with 100,000 files, which took 3718.70 sec. And rename it took 7327.936.
>     HDDS-2939 can able to optimize this part, but at present the hdds-2939 is slow and still a long way to go. So we optimized the batch operation based on the current interface. We were able to get better performance with this PR before the hdds-2939 came in.



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