Hadoop – Aryan Nava

What are the advantages of using Apache Spark?

– It is comparible with Hadoop – It provides ease of development – It is fast – It provides multiple language support – it has a unified stack

Big Data Ecosystem and Snapshots

When your selecting Big Data Ecosystem for your mission critical application, make sure you chose the correct product which can allow you to take take real time snapshots. If your Big Data Ecosystem not allowing you to take real time snapshots, you need to consider higher cost for backup. Following Video and link may helpContinue reading “Big Data Ecosystem and Snapshots”

Managing HDFS Snapshots Using Cloudera Manager

Browsing HDFS Directories To browse the HDFS directories to view snapshot activity: From the Clusters tab, select your CDH 5 HDFS service. Go to the File Browser tab. Enabling an HDFS Directory for Snapshots From the Clusters tab, select your CDH 5 HDFS service. Go to the File Browser tab. Navigate to the directory youContinue reading “Managing HDFS Snapshots Using Cloudera Manager”

Following can negatively impact hadoop cluster performance

1. Nodes with disk of different sizes 2. Nodes with disk of different speeds

Data Recovery File System for Hadoop Cluster

Solution is based on what if Hadoop cluster is suddenly unavailable when Name Node is terminated. The solution to increases the performance and decreases the time of delay, it will solve automated fail over problem as well as increases reliability of Hadoop.