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Date: Fri, 13 Nov 2009 07:33:10 +0800 (CST)
From: Gang Luo <lgpublic@yahoo.com.cn>
Subject: How to use comstom mapreduce script
To: hive-user@hadoop.apache.org
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Hi all,=0AIt is said that we can plug our own map/reduce into hive. I got t=
wo questions here.=0A1) Can I write this 'script' in Java? If so, should I =
compile it and make it into a jar file first?=0A2) Should I load this scrip=
t file into HDFS first? =0A=0AThanks.=0A=0A --Gang=0A=0A=0A=0A      _______=
____________________________________________________ =0A  =BA=C3=CD=E6=BA=
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=CF=DF=A3=A1 =0Ahttp://card.mail.cn.yahoo.com/
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<html><head><style type=3D"text/css"><!-- DIV {margin:0px;} --></style></he=
ad><body><div style=3D"font-family:times new roman,new york,times,serif;fon=
t-size:14pt">Hi all,<br>It is said that we can plug our own map/reduce into=
 hive. I got two questions here.<br>1) Can I write this 'script' in Java? I=
f so, should I compile it and make it into a jar file first?<br>2) Should I=
 load this script file into HDFS first? <br><br>Thanks.<br><div>&nbsp;</div=
>--Gang<div style=3D"font-family: times new roman,new york,times,serif; fon=
t-size: 14pt;"><br></div>=0A<!-- cg5.c21.mail.cnh.yahoo.com compressed/chun=
ked Wed Nov  4 08:31:13 PST 2009 -->=0A</div><br>=0A=0A=0A      <hr size=3D=
1><a href=3D"http://cn.rd.yahoo.com/mail_cn/tagline/card/*http://card.mail.=
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=E4=BA=D8=BF=A8=C8=AB=D0=C2=C9=CF=CF=DF=A3=A1</a></body></html>
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