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https://issues.apache.org/jira/browse/HIVE-23067?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=17065034#comment-17065034
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Peter Vary commented on HIVE-23067:
-----------------------------------
Currently working on the openTxns bit, so I will take care of that code path if
you don't mind :)
> Use batch inserts in TxnHandler
> -------------------------------
>
> Key: HIVE-23067
> URL: https://issues.apache.org/jira/browse/HIVE-23067
> Project: Hive
> Issue Type: Improvement
> Reporter: Marton Bod
> Assignee: Marton Bod
> Priority: Major
>
> To reduce the number of database calls and network roundtrips, we could use
> more batching in TxnHandler, where currently in many places we call insert
> commands in loops sequentially.
> Some examples:
> * openTxns (TXNS, REPL_TXN_MAP)
> * commitTxn (COMPLETED_TXN_COMPONENTS)
> * replTableWriteIdState (TXN_TO_WRITE_ID)
> * allocateTableWriteIds (TXN_TO_WRITE_ID)
> * ....
>
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