hive-issues mailing list archives

Site index · List index
Message view « Date » · « Thread »
Top « Date » · « Thread »
From "Eugene Koifman (JIRA)" <j...@apache.org>
Subject [jira] [Commented] (HIVE-12439) CompactionTxnHandler.markCleaned() and TxnHandler.openTxns() misc improvements
Date Fri, 18 Mar 2016 00:16:33 GMT

    [ https://issues.apache.org/jira/browse/HIVE-12439?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=15200685#comment-15200685
] 

Eugene Koifman commented on HIVE-12439:
---------------------------------------

+1 pending test

> CompactionTxnHandler.markCleaned() and TxnHandler.openTxns() misc improvements
> ------------------------------------------------------------------------------
>
>                 Key: HIVE-12439
>                 URL: https://issues.apache.org/jira/browse/HIVE-12439
>             Project: Hive
>          Issue Type: Improvement
>          Components: Metastore, Transactions
>    Affects Versions: 1.0.0
>            Reporter: Eugene Koifman
>            Assignee: Wei Zheng
>         Attachments: HIVE-12439.1.patch, HIVE-12439.2.patch, HIVE-12439.3.patch
>
>
> # add a safeguard to make sure IN clause is not too large; break up by txn id to delete
from TXN_COMPONENTS where tc_txnid in ...
> # TxnHandler. openTxns() - use 1 insert with many rows in values() clause, rather than
1 DB roundtrip per row



--
This message was sent by Atlassian JIRA
(v6.3.4#6332)

Mime
View raw message