{"id":293,"date":"2021-07-12T18:56:24","date_gmt":"2021-07-12T18:56:24","guid":{"rendered":"https:\/\/www.wikitechy.com\/interview-questions\/?p=293"},"modified":"2021-09-14T06:59:51","modified_gmt":"2021-09-14T06:59:51","slug":"what-are-the-different-configuration-files-in-hadoop","status":"publish","type":"post","link":"https:\/\/www.wikitechy.com\/interview-questions\/big-data\/what-are-the-different-configuration-files-in-hadoop\/","title":{"rendered":"What are the different configuration files in Hadoop ?"},"content":{"rendered":"<div class=\"TextHeading\">\n<div class=\"hddn\">\n<h2 id=\"what-are-the-different-configuration-files-in-hadoop\" class=\"color-pink\" style=\"text-align: justify;\">What are the different configuration files in Hadoop ?<\/h2>\n<\/div>\n<\/div>\n<div class=\"ImageContent\" style=\"text-align: justify;\">\n<div class=\"hddn\"><img decoding=\"async\" class=\"img-responsive center-block aligncenter\" src=\"https:\/\/cdn.wikitechy.com\/interview-questions\/hadoop\/what-are-the-different-configuration-files-in-hadoop.gif\" alt=\"What are the Different configuration files in hadoop \" \/><\/div>\n<\/div>\n<div class=\"ImageContent\" style=\"text-align: justify;\">\n<div class=\"hddn\"><img decoding=\"async\" class=\"img-responsive center-block aligncenter\" src=\"https:\/\/cdn.wikitechy.com\/interview-questions\/hadoop\/what-are-the-different-configuration-files-in-hadoop.png\" alt=\"Configuration files in hadoop\" \/><\/div>\n<\/div>\n<div class=\"hddn\">\n<table class=\"table-bordered table-striped table table-responsive\">\n<tbody>\n<tr style=\"text-align: justify;\">\n<th>Configuration Filenames<\/th>\n<th>Description Of Log Files<\/th>\n<\/tr>\n<tr style=\"text-align: justify;\">\n<td class=\"text-leftalign\">hadoop-env.sh<\/td>\n<td class=\"text-leftalign\">Environment variables that are used in the scripts to run\u00a0<a href=\"https:\/\/forums.wikitechy.com\/question-category\/hadoop\/\" target=\"_blank\" rel=\"noopener\">Hadoop<\/a><\/td>\n<\/tr>\n<tr style=\"text-align: justify;\">\n<td class=\"text-leftalign\">core-site.xml<\/td>\n<td class=\"text-leftalign\">Configuration settings for Hadoop Core such as I\/O settings that are common to\u00a0<a href=\"https:\/\/www.wikitechy.com\/interview-questions\/hadoop\/difference-between-nfs-and-hdfs\/\" target=\"_blank\" rel=\"noopener\">HDFS<\/a>\u00a0and MapReduce.<\/td>\n<\/tr>\n<tr style=\"text-align: justify;\">\n<td class=\"text-leftalign\">hdfs-site.xml<\/td>\n<td class=\"text-leftalign\">Configuration setting for HDFS daemons, the namenode, the secondary namenode and the data nodes.<\/td>\n<\/tr>\n<tr style=\"text-align: justify;\">\n<td class=\"text-leftalign\">mapred-site.xml<\/td>\n<td class=\"text-leftalign\">Configuration settings for\u00a0<a href=\"https:\/\/www.wikitechy.com\/interview-questions\/apache-pig\/what-is-the-difference-between-pig-hive-and-mapreduce\" target=\"_blank\" rel=\"noopener\">MapReduce<\/a>\u00a0daemons : the job \u2013tracker and the task-trackers.<\/td>\n<\/tr>\n<tr style=\"text-align: justify;\">\n<td class=\"text-leftalign\">yarn-site.xml<\/td>\n<td class=\"text-leftalign\">Configuration settings for\u00a0ResourceManager and NodeManager.<\/td>\n<\/tr>\n<tr style=\"text-align: justify;\">\n<td class=\"text-leftalign\">masters<\/td>\n<td class=\"text-leftalign\">A list of machines(one per line) that each run a secondary namenode<\/td>\n<\/tr>\n<tr>\n<td class=\"text-leftalign\" style=\"text-align: justify;\">slaves<\/td>\n<td class=\"text-leftalign\" style=\"text-align: justify;\">A list of machines(one per line) that each run a datanode and a task-trackers<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n<\/div>\n","protected":false},"excerpt":{"rendered":"<p>Answer : hadoop-env.sh,core-site.xml,hdfs-site.xml&#8230;<\/p>\n","protected":false},"author":2,"featured_media":0,"comment_status":"open","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[1065],"tags":[195,1580,1119,360,203,199,214,1120,1588,1413,205,485,222,484,1556,1569,1573,1579,1586,1567,1571,1585,1576,1412,1558,1564,1557,1555,1582,1581,1397,1560,1570,1559,1562,1584,1563,1587,1583,1279,1283,1575,1568,1578,1572,1415,1565,1566,196,212,1577,286,970,366,288,367,206,975,200,974,197,280,364,1561,1416,1414,968,216,285,1574,1121],"class_list":["post-293","post","type-post","status-publish","format-standard","hentry","category-big-data","tag-accenture-interview-questions-and-answers","tag-apache-hadoop-configuration","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-configuration-class-in-hadoop","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-2-0-configuration-files","tag-hadoop-client-configuration","tag-hadoop-cluster-configuration","tag-hadoop-cluster-configuration-example","tag-hadoop-config","tag-hadoop-config-files","tag-hadoop-configuration","tag-hadoop-configuration-command-line","tag-hadoop-configuration-example","tag-hadoop-configuration-files","tag-hadoop-configuration-files-download","tag-hadoop-configuration-files-explained","tag-hadoop-configuration-files-location","tag-hadoop-configuration-files-locationl","tag-hadoop-configuration-java","tag-hadoop-configuration-java-example","tag-hadoop-configuration-parameters","tag-hadoop-configuration-properties","tag-hadoop-configuration-steps","tag-hadoop-datanode-configuration-file","tag-hadoop-default-configuration","tag-hadoop-hdfs-configuration","tag-hadoop-mapreduce-configuration","tag-hadoop-memory-configuration","tag-hadoop-multi-node-cluster-configuration","tag-hadoop-namenode-configuration","tag-hadoop-secondary-namenode-configuration","tag-hadoop-server-configuration","tag-hadoop-yarn-configuration","tag-hadoop-yarn-configuration-example","tag-hdfs-configuration","tag-hdfs-site-xml-configuration-file","tag-how-to-configure-hadoop","tag-how-to-configure-hadoop-cluster","tag-ibm-interview-questions-and-answers","tag-indecomm-global-services-interview-questions-and-answers","tag-installation-and-configuration-of-hadoop","tag-lt-infotech-interview-questions-and-answers","tag-mindtree-interview-questions-and-answers","tag-netapp-interview-questions-and-answers","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-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-is-the-extension-of-archive-file-created-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-xoriant-solutions-pvt-ltd-interview-questions-and-answers","tag-yarn-configuration","tag-zs-associates-interview-questions-and-answers"],"yoast_head":"<!-- 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