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https://issues.apache.org/jira/browse/HUDI-2119?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=17373843#comment-17373843
] ASF GitHub Bot commented on HUDI-2119: -------------------------------------- codecov-commenter edited a comment on pull request #3210: URL: https://github.com/apache/hudi/pull/3210#issuecomment-872684476 # [Codecov](https://codecov.io/gh/apache/hudi/pull/3210?src=pr&el=h1&utm_medium=referral&utm_source=github&utm_content=comment&utm_campaign=pr+comments&utm_term=The+Apache+Software+Foundation) Report > Merging [#3210](https://codecov.io/gh/apache/hudi/pull/3210?src=pr&el=desc&utm_medium=referral&utm_source=github&utm_content=comment&utm_campaign=pr+comments&utm_term=The+Apache+Software+Foundation) (45925d3) into [master](https://codecov.io/gh/apache/hudi/commit/6eca06d074520140d7bc67b48bd2b9a5b76f0a87?el=desc&utm_medium=referral&utm_source=github&utm_content=comment&utm_campaign=pr+comments&utm_term=The+Apache+Software+Foundation) (6eca06d) will **decrease** coverage by `32.03%`. > The diff coverage is `0.00%`. 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To unsubscribe, e-mail: [email protected] For queries about this service, please contact Infrastructure at: [email protected] > Syncing of rollbacks to metadata table does not work in all cases > ----------------------------------------------------------------- > > Key: HUDI-2119 > URL: https://issues.apache.org/jira/browse/HUDI-2119 > Project: Apache Hudi > Issue Type: Bug > Reporter: Prashant Wason > Assignee: Prashant Wason > Priority: Blocker > Labels: pull-request-available > Fix For: 0.9.0 > > > This is an issue with inline automatic rollbacks. > Metadata table assumes that a rollbacks is to be applied if the > instant-being-rolled back has a timestamp less than the last deltacommit time > on the metadata timeline. We do not explicitly check if the > instant-being-rolled-back was actually written to metadata table. > **A rollback adds a record to metadata table which "deletes" files from a > failed/earlier commit. If the files being deleted were never actually > committed to metadata table earlier, the deletes cannot be consolidated > during metadata table reads. This leads to a HoodieMetadataException as we > cannot differentiate this from a bug where we might have missed committing a > commit to metadata table. > > -- This message was sent by Atlassian Jira (v8.3.4#803005)
