Types of data locality<\/h2>\n<\/div>\n<\/div>\n

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• Data local<\/b>\n
  \n
  • In this type data and the mapper resides on the same node. This is the closest proximity of data and the most preferred scenario.<\/li>\n<\/ul>\n<\/li>\n<\/ul>\n<\/div>\n<\/div>\n
    \n

    \n

    \n
    • Rack Local<\/b>\n
      \n
      • In this type data and the mapper resides on the same node. This is the closest proximity of data and the most preferred scenario.<\/li>\n
      • In this scenarios mapper and data reside on the same rack but on the different data nodes.<\/li>\n<\/ul>\n<\/li>\n<\/ul>\n<\/div>\n<\/div>\n
        \n

        \n

        \n
        • Different Rack<\/b>\n
          \n
          • In this scenario mapper and data reside on the different racks.<\/li>\n<\/ul>\n<\/li>\n<\/ul>\n<\/div>\n<\/div>\n
            \n

            <\/div>\n<\/div>\n","protected":false},"excerpt":{"rendered":"

            Answer : Datasets in HDFS store as blocks in DataNodes…<\/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":[1467,195,1354,1119,360,1482,1168,203,199,214,1120,1466,1474,1473,1479,1464,1453,1462,1463,1471,1469,1478,205,1350,485,222,484,1481,1468,1169,1483,1316,1480,1375,1348,1465,1165,196,1457,1460,1472,212,1456,1459,286,1461,1477,970,366,288,1470,367,206,975,200,974,197,280,364,1029,1049,1455,1476,1454,1458,1475,1313,1167,968,216,285,1158,1121],"class_list":["post-287","post","type-post","status-publish","format-standard","hentry","category-big-data","tag-3-data-locality","tag-accenture-interview-questions-and-answers","tag-apache-hadoop","tag-att-interview-questions-and-answers","tag-atos-interview-questions-and-answers","tag-azure-hadoop","tag-big-data-hadoop","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-data-flow-in-mapreduces","tag-data-locality","tag-data-locality-c","tag-data-locality-definition","tag-data-locality-in-cloud-computing","tag-data-locality-in-hadoop","tag-data-locality-in-spark","tag-data-locality-in-yarn","tag-data-locality-nutanix","tag-data-locality-optimization-in-hadoop","tag-data-localization-in-hadoop","tag-dell-international-services-india-pvt-ltd-interview-questions-and-answers","tag-distributed-file-system","tag-ernst-young-interview-questions-and-answers","tag-flipkart-interview-questions-and-answers","tag-genpact-interview-questions-and-answers","tag-hadoop-cluster","tag-hadoop-data-partitioning","tag-hadoop-database","tag-hadoop-distributed-file-system","tag-hadoop-ecosystem","tag-hadoop-file-system","tag-hadoop-framework","tag-hadoop-mapreduce","tag-hadoop-optimization-techniques","tag-hdfs-architecture","tag-ibm-interview-questions-and-answers","tag-importance-of-data-locality","tag-improving-data-processing-performance-with-hadoop-data-locality","tag-in-the-local-disk-of-the-name-node-the-files-which-are-stored-persistently-are","tag-indecomm-global-services-interview-questions-and-answers","tag-introduction-to-data-locality-in-hadoop-mapreduce","tag-job-scheduling-for-optimizing-data-locality-in-hadoop-clusters","tag-lt-infotech-interview-questions-and-answers","tag-locality-optimization-in-compiler-design","tag-mapreduce-data-locality","tag-mindtree-interview-questions-and-answers","tag-netapp-interview-questions-and-answers","tag-r-systems-interview-questions-and-answers","tag-rack-awareness-in-hadoop","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-big-data-and-hadoop","tag-what-is-big-data-hadoop","tag-what-is-data-locality","tag-what-is-data-locality-in-hadoop","tag-what-is-data-locality-in-hadoopwhat-does-the-term-data-locality-mean-in-hadoop","tag-what-is-data-locality-optimization-in-hadoop","tag-what-is-data-localization-in-hadoop","tag-what-is-hadoop","tag-what-is-hadoop-used-for","tag-wipro-infotech-interview-questions-and-answers","tag-wipro-interview-questions-and-answers","tag-xoriant-solutions-pvt-ltd-interview-questions-and-answers","tag-yarn-hadoop","tag-zs-associates-interview-questions-and-answers"],"yoast_head":"\n