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

[Michael Echevarria (JIRA)]

    [ https://issues.jboss.org/browse/TEIID-4858?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=13393689#comment-13393689 ] 

Michael Echevarria commented on TEIID-4858:
-------------------------------------------

Looking at the execution plan it shows that it is selecting explicit columns, not a select *.  When executing the VDB, selecting * against both sources and selecting individual columns against both sources is very quick.  The delay comes when deploying the VDB and accessing remotely

> 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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