hadoop-mapreduce-issues mailing list archives

Site index · List index
Message view « Date » · « Thread »
Top « Date » · « Thread »
From "Mahadev konar (Updated) (JIRA)" <j...@apache.org>
Subject [jira] [Updated] (MAPREDUCE-3952) In MR2, when Total input paths to process == 1, CombinefileInputFormat.getSplits() returns 0 split.
Date Thu, 01 Mar 2012 05:42:15 GMT

     [ https://issues.apache.org/jira/browse/MAPREDUCE-3952?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
]

Mahadev konar updated MAPREDUCE-3952:
-------------------------------------

    Component/s: mrv2
    
> In MR2, when Total input paths to process == 1, CombinefileInputFormat.getSplits() returns
0 split.
> ---------------------------------------------------------------------------------------------------
>
>                 Key: MAPREDUCE-3952
>                 URL: https://issues.apache.org/jira/browse/MAPREDUCE-3952
>             Project: Hadoop Map/Reduce
>          Issue Type: Bug
>          Components: mrv2
>            Reporter: Zhenxiao Luo
>
> Hive get unexpected result when using MR2(When using MR1, always get expected result).
> In MR2, when Total input paths to process == 1, CombinefileInputFormat.getSplits() returns
0 split.
> The calling code in Hive, in Hadoop23Shims.java:
> InputSplit[] splits = super.getSplits(job, numSplits);
> this get splits.length == 0.
> In MR1, everything goes fine, the calling code in Hive, in Hadoop20Shims.java:
> CombineFileSplit[] splits = (CombineFileSplit[]) super.getSplits(job, numSplits);
> this get splits.length == 1.

--
This message is automatically generated by JIRA.
If you think it was sent incorrectly, please contact your JIRA administrators: https://issues.apache.org/jira/secure/ContactAdministrators!default.jspa
For more information on JIRA, see: http://www.atlassian.com/software/jira

        

Mime
View raw message