[teiid-issues] [JBoss JIRA] (TEIID-4858) hive translator is extremely slow

Steven Hawkins (JIRA) issues at jboss.org
Mon Apr 17 10:29:00 EDT 2017


    [ https://issues.jboss.org/browse/TEIID-4858?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=13394010#comment-13394010 ] 

Steven Hawkins commented on TEIID-4858:
---------------------------------------

What is the source query in each case?

Other than supporting additional push down constructs, the execution / retrieval logic will be the same between those two.

> hive translator is extremely slow
> ---------------------------------
>
>                 Key: TEIID-4858
>                 URL: https://issues.jboss.org/browse/TEIID-4858
>             Project: Teiid
>          Issue Type: Bug
>          Components: JDBC Connector
>    Affects Versions: 8.12.9.6_3
>         Environment: Tested against JDV 6.3.4 and the Cloudera quickstart 5.8 VM with the Cloudera sample data loaded into hive
>            Reporter: Michael Echevarria
>            Assignee: Steven Hawkins
>
> When querying a table through the hive translator the results take close to 30 seconds to return.
> When querying a table through jdbc default results take under 1 second to return.
> Both use the same underlying jboss server datasource.



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