Big Data/Hadoop

Sample Resume for Hadoop/BigData

Name : Hadoop/BigData Phone: xxx-xxx-xxxx ...
Linux Commands for Hadoop/Big Data Admin

ls Command: ls command is one of the most frequently used command in Linux.I believe ls command is the first command you may use ...
Hadoop Issues and Solution

Issue: The problem occurs on the “CREATE TABLE trucks STORED AS ORC AS SELECT * FROM trucks_stage;” Error Message: ERROR : Vertex fail...
Hive ,HiveServer2 and thrift service Issues

Hive General Issues: ------------------------ 1) How to disable hive shell for all users (Hive CLI)? we can remove the permission f...
Hadoop Administration : Part 1 Blacklistnode

BlacklistNode When the JobTracker submits jobs to the TaskTracker and the tasks on that node have failed too many times, the JobTracker ...
Ambari Metrics

Ambari Metrics System("AMS") is a system for collecting, aggregating and serving Hadoop and system metrics in Amabari-managed cl...
Hadoop/Big Data Interview Question & Answerrs

Real Time Interview Question: 1) Whats' the importance of /tmp/ directory in HDFS? 2) Where can we see the Alarms in Hadoop? 3) Ho...
Hadoop Single node Cluster Installation with Ambari

Pre-requisites: we need to have 1 VM with Linux OS ,4 vCPUs, 4 GB RAM and 20 GB System Disk . On a Server host that has Internet a...
Apache Sqoop -Part 1: Basic Concepts

Apache Sqoop is a tool designed for efficiently transferring bulk data in a distributed manner between relational databases...
Hadoop Administration Part 4 : Distcp and Mirroring

Distcp: The Hadoop distcp is a tool used for large inter-and intra-cluster copying.It uses MapReduce to effect distribution, error hand...

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