hat are the configuration parameters in a \u201cMapReduce\u201d program ?<\/h2>\n<\/div>\n<\/div>\n

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• The main configuration parameters in \u201cMapReduce\u201d framework are:\n
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  • Input location of Jobs in the distributed file system<\/li>\n
  • Output location of Jobs in the distributed file system<\/li>\n
  • The input format of data<\/li>\n
  • The output format of data<\/li>\n
  • The class which contains the map function<\/li>\n
  • The class which contains the reduce function<\/li>\n
  • JAR file which contains the mapper, reducer and the driver classes<\/li>\n<\/ul>\n<\/li>\n<\/ul>\n<\/div>\n<\/div>\n
    <\/div>\n

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    Sample Code<\/h2>\n

    <\/div>

    public static void main(String [] args) throws Exception{    Configuration c=new Configuration();    String[] files=new GenericOptionsParser(c,args).getRemainingArgs();    Path input=new Path(files[0]);    Path output=new Path(files[1]);    Job j=new Job(c,"wordcount");    j.setJarByClass(WordCount.class);    j.setMapperClass(MapForWordCount.class);    j.setReducerClass(ReduceForWordCount.class);    j.setOutputKeyClass(Text.class);    j.setOutputValueClass(IntWritable.class);    FileInputFormat.addInputPath(j, input);    FileOutputFormat.setOutputPath(j, output);    System.exit(j.waitForCompletion(true)?0:1);}<\/code><\/pre> <\/div>\n<\/div>\n<\/div>\n","protected":false},"excerpt":{"rendered":"
    Answer : Input location of Jobs in the distributed file system…<\/p>\n","protected":false},"author":2,"featured_media":0,"comment_status":"open","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":{"passster_activate_protection":false,"passster_protect_child_pages":"","passster_protection_type":"password","passster_password":"","passster_activate_overwrite_defaults":"","passster_headline":"","passster_instruction":"","passster_placeholder":"","passster_button":"","passster_id":"","passster_activate_misc_settings":"","passster_redirect_url":"","passster_hide":"no","passster_area_shortcode":"","gtb_hide_title":false,"gtb_wrap_title":false,"gtb_class_title":"","gtb_remove_headerfooter":false,"footnotes":""},"categories":[1065],"tags":[195,1119,360,203,199,214,1120,1413,205,485,222,484,1412,1397,1405,1404,1398,1391,1393,1383,1415,1396,1410,196,212,1382,286,1408,1385,1395,1361,1406,1394,1409,1386,1387,1392,1411,1403,1407,1388,1389,970,366,1402,288,367,206,1401,975,200,974,197,280,364,1400,1384,1399,1416,1414,968,216,1390,285,1121],"class_list":["post-283","post","type-post","status-publish","format-standard","hentry","category-big-data","tag-accenture-interview-questions-and-answers","tag-att-interview-questions-and-answers","tag-atos-interview-questions-and-answers","tag-capgemini-interview-questions-and-answers","tag-casting-networks-india-pvt-limited-interview-questions-and-answers","tag-cgi-group-inc-interview-questions-and-answers","tag-collabera-technologiesinterview-questions-and-answers","tag-configuring-xml-files-in-hadoop","tag-dell-international-services-india-pvt-ltd-interview-questions-and-answers","tag-ernst-young-interview-questions-and-answers","tag-flipkart-interview-questions-and-answers","tag-genpact-interview-questions-and-answers","tag-hadoop-configuration-files","tag-hadoop-configuration-parameters","tag-hadoop-configuration-parameters-list","tag-hadoop-job-configuration-parameters","tag-hadoop-mapreduce-configuration-parameters","tag-hadoop-wordcount-example-source-code","tag-hadoop-mapreduce-examples-jar-wordcount","tag-hdfs-default-xml-location","tag-hdfs-site-xml-configuration-file","tag-how-does-mapreduce-work","tag-how-to-run-mapreduce-program-in-hadoop","tag-ibm-interview-questions-and-answers","tag-indecomm-global-services-interview-questions-and-answers","tag-install-configure-and-run-hadoop-and-hdfs","tag-lt-infotech-interview-questions-and-answers","tag-main-configuration-parameters-in-mapreduce","tag-mapreduce-code","tag-mapreduce-coding-interview-questions","tag-mapreduce-components","tag-mapreduce-configuration-parameters","tag-mapreduce-exam-questions","tag-mapreduce-example","tag-mapreduce-example-java","tag-mapreduce-example-problems","tag-mapreduce-examples-other-than-word-count","tag-mapreduce-interview-questions","tag-mapreduce-parameters","tag-mapreduce-programming-in-java-examples","tag-mapreduce-simple-example","tag-mapreduce-word-count-example","tag-mindtree-interview-questions-and-answers","tag-netapp-interview-questions-and-answers","tag-passing-runtime-parameters-in-mapreduce","tag-r-systems-interview-questions-and-answers","tag-rbs-india-development-centre-pvt-ltd-interview-questions-and-answers","tag-sap-labs-india-pvt-ltd-interview-questions-and-answers","tag-settings-for-the-mapreduce-program","tag-tata-consultancy-service-interview-questions-and-answers","tag-tech-mahindra-interview-questions-and-answers","tag-trigent-software-interview-questions-and-answers","tag-unitedhealth-group-interview-questions-and-answers","tag-virtusa-consulting-services-pvt-ltd-interview-questions-and-answers","tag-wells-fargo-interview-questions-and-answers","tag-what-are-the-main-configuration-parameters-in-a-mapreduce","tag-what-are-the-main-configuration-parameters-in-a-mapreduce-program","tag-what-is-the-use-of-a-configuration-class-and-object-in-hadoop","tag-which-of-the-file-contains-the-configuration-setting-for-nodemanager-and-resourcemanager","tag-which-of-the-following-are-contain-configuration-for-hdfs-daemons","tag-wipro-infotech-interview-questions-and-answers","tag-wipro-interview-questions-and-answers","tag-wordcount-program-in-java","tag-xoriant-solutions-pvt-ltd-interview-questions-and-answers","tag-zs-associates-interview-questions-and-answers"],"yoast_head":"\n