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https://issues.apache.org/jira/browse/HIVE-19214?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=16445072#comment-16445072
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Prasanth Jayachandran commented on HIVE-19214:
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i am not sure if sorted dynamic partition optimization works with ACID or not. 
This will help non-streaming cases as well, helps reduce memory pressure when a 
single task writes/reads many files. 

> High throughput ingest ORC format
> ---------------------------------
>
>                 Key: HIVE-19214
>                 URL: https://issues.apache.org/jira/browse/HIVE-19214
>             Project: Hive
>          Issue Type: Sub-task
>          Components: Streaming
>    Affects Versions: 3.0.0, 3.1.0
>            Reporter: Gopal V
>            Assignee: Prasanth Jayachandran
>            Priority: Major
>         Attachments: HIVE-19214.1.patch, HIVE-19214.2.patch
>
>
> Create delta files with all ORC overhead disabled (no index, no compression, 
> no dictionary). Compactor will recreate the orc files with index, compression 
> and dictionary encoding.



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