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Subject: Passing Command-line Parameters to the Job Submit Command
From: Varad Meru <meru.varad@gmail.com>
To: common-user@hadoop.apache.org
Cc: Varad Meru <varad.meru@gmail.com>
Content-Type: multipart/alternative; boundary=20cf3074d77c07528004ca59c920

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Content-Type: text/plain; charset=ISO-8859-1

Hi,

I want to run the PiEstimator example from using the following command

$hadoop job -submit pieestimatorconf.xml

which contains all the info required by hadoop to run the job. E.g. the
input file location, the output file location and other details.

<property><name>mapred.jar</name><value>file:////Users/varadmeru/Work/Hadoop/hadoop-examples-1.0.3.jar</value></property>
<property><name>mapred.map.tasks</name><value>20</value></property>
<property><name>mapred.reduce.tasks</name><value>2</value></property>
...
<property><name>mapred.job.name</name><value>PiEstimator</value></property>
<property><name>mapred.output.dir</name><value>file:////Users/varadmeru/Work/out</value></property>

Now, as we now, to run the PiEstimator, we can use the following command too

$hadoop jar hadoop-examples.1.0.3 pi 5 10

where 5 and 10 are the arguments to the main class of the PiEstimator. How
can I pass the same arguments (5 and 10) using the job -submit command
through conf. file or any other way, without changing the code of the
examples to reflect the use of environment variables.

Thanks in advance,
Varad

-----------------
Varad Meru
Software Engineer,
Business Intelligence and Analytics,
Persistent Systems and Solutions Ltd.,
Pune, India.

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