You are viewing a plain text version of this content. The canonical link for it is here.
Posted to mapreduce-issues@hadoop.apache.org by "alex.lv (JIRA)" <ji...@apache.org> on 2013/09/26 06:08:02 UTC
[jira] [Commented] (MAPREDUCE-5537) hive return different results
with and without index when
hive.hadoop.supports.splittable.combineinputformat =true
[ https://issues.apache.org/jira/browse/MAPREDUCE-5537?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=13778437#comment-13778437 ]
alex.lv commented on MAPREDUCE-5537:
------------------------------------
ddd
> hive return different results with and without index when hive.hadoop.supports.splittable.combineinputformat =true
> ------------------------------------------------------------------------------------------------------------------
>
> Key: MAPREDUCE-5537
> URL: https://issues.apache.org/jira/browse/MAPREDUCE-5537
> Project: Hadoop Map/Reduce
> Issue Type: Bug
> Reporter: alex.lv
> Assignee: alex.lv
>
> the environment:
> hive-0.8.1
> hadoop-0.20.2-cdh3u6
> the Presentation:
> i use the hive-0.8.1 to exec the query:
> select count(*) from table t1;
> the table t1 is lzo formatted ,and the follows is :
> # Storage Information
> SerDe Library: org.apache.hadoop.hive.serde2.lazy.LazySimpleSerDe
> InputFormat: com.hadoop.mapred.DeprecatedLzoTextInputFormat
> OutputFormat: org.apache.hadoop.hive.ql.io.HiveIgnoreKeyTextOutputFormat
> and the hive.hadoop.supports.splittable.combineinputformat =true
> when i index the table t1,the result is 265329 .
> when i remove the index of the t1,the result is 265325.
--
This message is automatically generated by JIRA.
If you think it was sent incorrectly, please contact your JIRA administrators
For more information on JIRA, see: http://www.atlassian.com/software/jira