Hadoop Administration – AcadGild https://acadgild.com/blog Learn. Do. Earn. Thu, 25 Aug 2016 12:01:42 +0000 en-US hourly 1 https://wordpress.org/?v=4.5.3 103159356 Configuring Trash in HDFS https://acadgild.com/blog/configuring-trash-hdfs/ https://acadgild.com/blog/configuring-trash-hdfs/#respond Tue, 22 Mar 2016 06:23:49 +0000 https://acadgild.com/blog/?p=2268 Apache Hadoop Provides a trash feature. Trash feature is very helpful for Hadoop Administrators in case of accidental deletion of files and directories. If trash is enabled and a file or directory is deleted, the file is moved to the .Trash directory in the user’s home directory instead of being deleted. Deleted files are initially […]

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]]> https://acadgild.com/blog/configuring-trash-hdfs/feed/ 0 2268 Configuring Rack Awareness on Hadoop Using Centos https://acadgild.com/blog/configuring-rack-awareness-hadoop-using-centos/ https://acadgild.com/blog/configuring-rack-awareness-hadoop-using-centos/#respond Wed, 16 Mar 2016 07:29:42 +0000 https://acadgild.com/blog/?p=2199 This blog gives you information about Rack Awareness in Apache Hadoop. HDFS block placement uses rack awareness for fault tolerance by placing one block replica on a different rack. This ensures data availability during network switch failure or a partition within the cluster. Rack awareness is very helpful in making an appropriate replication factor. Configuring […]

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]]> https://acadgild.com/blog/configuring-rack-awareness-hadoop-using-centos/feed/ 0 2199 Commissioning and Decommissioning of Datanode in Hadoop https://acadgild.com/blog/commissioning-and-decommissioning-of-datanode-in-hadoop/ https://acadgild.com/blog/commissioning-and-decommissioning-of-datanode-in-hadoop/#comments Fri, 11 Mar 2016 12:31:33 +0000 https://acadgild.com/blog/?p=1947 Commissioning of nodes stand for adding new nodes in current cluster which operates your Hadoop framework. In contrast, Decommissioning of nodes stands for removing nodes from your cluster. This is very useful utility to handle node failure during the operation of Hadoop cluster without stopping entire Hadoop nodes in your cluster. Why do we need […]

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