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Posted to issues@ozone.apache.org by "UENISHI Kota (Jira)" <ji...@apache.org> on 2021/10/25 00:20:00 UTC

[jira] [Created] (HDDS-5893) Potential data loss on multipart upload commit

UENISHI Kota created HDDS-5893:
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             Summary: Potential data loss on multipart upload commit
                 Key: HDDS-5893
                 URL: https://issues.apache.org/jira/browse/HDDS-5893
             Project: Apache Ozone
          Issue Type: Bug
          Components: OM
    Affects Versions: 1.1.0, 1.0.0, 0.5.0
            Reporter: UENISHI Kota


In case mutlipart upload completion with unused parts, and the key is first created (no previous version), the committed live version of OmKeyInfo is added to deletion table. The key will be live until the deletion service collects the blocks, but after blocks deleted, the key metadata will be visible from user API while the blocks are already deleted.

This potential bug has been resident since HDDS-2395, as long as I searched the Git history. (I have just found this issue during the code review, so I have not yet reproduced manually and I may miss other code.) I'll post an instant patch later.



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