[jira] [Updated] (SPARK-2443) Reading from Partitioned Tables is Slow

[Michael Armbrust (JIRA)]

     [ 
https://issues.apache.org/jira/browse/SPARK-2443?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
 ]

Michael Armbrust updated SPARK-2443:
------------------------------------

    Description: 
Here are some numbers, all queries return ~20million:

{code}
SELECT COUNT(*) FROM <non partitioned table>
5.496467726 s

SELECT COUNT(*) FROM <partitioned table stored in parquet>
50.266666947 s

SELECT COUNT(*) FROM <same table as previous but loaded with parquetFile 
instead of through hive>
2s
{code}

  was:
Here are some numbers, all queries return ~20million:

SELECT COUNT(*) FROM <non partitioned table>
5.496467726 s

SELECT COUNT(*) FROM <partitioned table stored in parquet>
50.266666947 s

SELECT COUNT(*) FROM <same table as previous but loaded with parquetFile 
instead of through hive>
2s


> Reading from Partitioned Tables is Slow
> ---------------------------------------
>
>                 Key: SPARK-2443
>                 URL: https://issues.apache.org/jira/browse/SPARK-2443
>             Project: Spark
>          Issue Type: Bug
>          Components: SQL
>            Reporter: Michael Armbrust
>            Assignee: Zongheng Yang
>
> Here are some numbers, all queries return ~20million:
> {code}
> SELECT COUNT(*) FROM <non partitioned table>
> 5.496467726 s
> SELECT COUNT(*) FROM <partitioned table stored in parquet>
> 50.266666947 s
> SELECT COUNT(*) FROM <same table as previous but loaded with parquetFile 
> instead of through hive>
> 2s
> {code}



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