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From "Bhavesh Shah (Commented) (JIRA)" <j...@apache.org>
Subject [jira] [Commented] (HADOOP-3601) Hive as a contrib project
Date Fri, 02 Dec 2011 05:24:40 GMT

    [ https://issues.apache.org/jira/browse/HADOOP-3601?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=13161423#comment-13161423
] 

Bhavesh Shah commented on HADOOP-3601:
--------------------------------------

Hi guys,
When I enter the query in Hive CLI I get following errors:
$ bin/hive -e ""insert overwrite local directory '/tmp/local_out' select a.* from invites
a where a.ds='2008-08-15';"

Hive history file=/tmp/Bhavesh.Shah/hive_job_log_Bhavesh.Shah_201112021007_2120318983.txt
Total MapReduce jobs = 2
Launching Job 1 out of 2
Number of reduce tasks is set to 0 since there's no reduce operator
Starting Job = job_201112011620_0004, Tracking URL = http://localhost:50030/jobdetails.jsp?jobid=job_201112011620_0004
Kill Command = C:\cygwin\home\Bhavesh.Shah\hadoop-0.20.2\/bin/hadoop job  -Dmapred.job.tracker=localhost:9101
-kill job_201112011620_0004
2011-12-02 10:07:30,777 Stage-1 map = 0%,  reduce = 0%
2011-12-02 10:07:57,796 Stage-1 map = 100%,  reduce = 100%
Ended Job = job_201112011620_0004 with errors
FAILED: Execution Error, return code 2 from org.apache.hadoop.hive.ql.exec.MapRedTask

So what is the problem and how to solve it?
Pls suggest me.
Thanks.

                
> Hive as a contrib project
> -------------------------
>
>                 Key: HADOOP-3601
>                 URL: https://issues.apache.org/jira/browse/HADOOP-3601
>             Project: Hadoop Common
>          Issue Type: Wish
>    Affects Versions: 0.19.0
>         Environment: N/A
>            Reporter: Joydeep Sen Sarma
>            Assignee: Ashish Thusoo
>            Priority: Minor
>             Fix For: 0.19.0
>
>         Attachments: HiveTutorial.pdf, ant.log, hive.tgz, hive.tgz, hive.tgz
>
>   Original Estimate: 1,080h
>  Remaining Estimate: 1,080h
>
> Hive is a data warehouse built on top of flat files (stored primarily in HDFS). It includes:
> - Data Organization into Tables with logical and hash partitioning
> - A Metastore to store metadata about Tables/Partitions etc
> - A SQL like query language over object data stored in Tables
> - DDL commands to define and load external data into tables
> Hive's query language is executed using Hadoop map-reduce as the execution engine. Queries
can use either single stage or multi-stage map-reduce. Hive has a native format for tables
- but can handle any data set (for example json/thrift/xml) using an IO library framework.
> Hive uses Antlr for query parsing, Apache JEXL for expression evaluation and may use
Apache Derby as an embedded database for MetaStore. Antlr has a BSD license and should be
compatible with Apache license.
> We are currently thinking of contributing to the 0.17 branch as a contrib project (since
that is the version under which it will get tested internally) - but looking for advice on
the best release path.

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