Daily Archives: October 13, 2015

Zookeeper Commands 1

This post is about some notes on Zookeeper commands and scripts. This is mainly useful for Hadoop Admins and all commands are self explanotry. ZooKeeper is a distributed centralized co-ordination service Zookeeper addresses issues with distributed applications: Maintain configuration information (share config info across all nodes) Naming Service(allows one node to find a specific machine in a cluster of 1000’s of servers) Distributed synchronization (locks, barriers, queues, etc) Group services […]

Separation Anxiety: A Tutorial for Isolating Your System with Linux Namespaces 2

With the advent of tools like Docker, Linux Containers, and others, it has become super easy to isolate Linux processes into their own little system environments. This makes it possible to run a whole range of applications on a single real Linux machine and ensure no two of them can interfere with each other, without having to resort to using virtual machines. These tools have been a huge boon to […]

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I have attended Siva’s Spark and Scala training. He is good in presentation skills and explaining technical concepts easily to everyone in the group. He is having excellent real time experience and provided enough use cases to understand each concepts. Duration of the course and time management is awesome. Happy that I found a right person on time to learn Spark. Thanks Siva!!!

Dharmeswaran ETL / Hadoop Developer Spark Nov 2016 September 21, 2017