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Posted to issues@hive.apache.org by "Jesus Camacho Rodriguez (JIRA)" <ji...@apache.org> on 2019/05/08 23:48:00 UTC

[jira] [Assigned] (HIVE-21710) Minor compaction writes delete records in unbucketed tables multiple times when we have multiple files

     [ https://issues.apache.org/jira/browse/HIVE-21710?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel ]

Jesus Camacho Rodriguez reassigned HIVE-21710:
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> Minor compaction writes delete records in unbucketed tables multiple times when we have multiple files <bucket_N>
> -----------------------------------------------------------------------------------------------------------------
>
>                 Key: HIVE-21710
>                 URL: https://issues.apache.org/jira/browse/HIVE-21710
>             Project: Hive
>          Issue Type: Bug
>          Components: Transactions
>            Reporter: Jesus Camacho Rodriguez
>            Assignee: Jesus Camacho Rodriguez
>            Priority: Major
>
> For a given delete delta directory in an unbucketed table, {{OrcRawRecordMerger}} returns the records in all files {{bucketN}}. However, minor compaction is triggered per bucket, leading to writing all delete records in each different bucket destination file in the new delete delta directory.



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