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https://issues.apache.org/jira/browse/HIVE-16399?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=15959788#comment-15959788
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Wei Zheng commented on HIVE-16399:
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There is an upgrade script naming error introduced by HIVE-16316. Will wait for
that to be fixed before adding this index.
> created an index for tc_txnid in TXN_COMPONENTS
> -----------------------------------------------
>
> Key: HIVE-16399
> URL: https://issues.apache.org/jira/browse/HIVE-16399
> Project: Hive
> Issue Type: Bug
> Components: Transactions
> Affects Versions: 1.0.0
> Reporter: Eugene Koifman
> Assignee: Wei Zheng
>
> w/o this TxnStore.cleanEmptyAbortedTxns() can be very slow
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