Summary
Work History
Education
Skills
Hobbies and Interests
Timeline
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Raju Neralla

Raju Neralla

Summary

  • Around 8+ years of Administration experience including 4 years of UNIX/Linux Administrator and 4.5 years in Big Data analytics as Hadoop Administrator.
  • Environment : Hortonworks, Cloudera, HDFS, YARN, Hive, Zookeeper, HBase, Oozie, Kafka, Kerberos, Ranger, Red Hat Linux. Expertise experience in building the Hadoop cluster. Hands on experience in installation, configuration, Support and Management of Hadoop Clusters using Apache Hadoop and Hortonworks distribution.
  • Extensive experience on HDFS Architecture, Cluster Concepts, Hadoop Daemons Services, Rack Awareness. Hadoop Cluster capacity planning, performance tuning, cluster Monitoring, Troubleshooting.
  • Experience in upgrading Hadoop cluster from current version to minor version upgrade as well as to major versions.
  • Experience in managing Hadoop infrastructure like commissioning, decommissioning, log rotation, rack topology implementation.
  • Experience in managing the cluster resources by implementing fair and capacity scheduler.
  • Experience in scheduling jobs using OOZIE.
  • Optimizing performance and troubleshooting HBase/Hive/Kafka/spark Strong knowledge in configuring Name Node, Resource Manager, Hive2, hbase high availability.
  • Troubleshooting the failure of spark and hive jobs. Experience in understanding the security requirements for Hadoop and integrating with Kerberos authentication infrastructure KDC server setup, crating realm /domain, managing principles, generation keytab file each service and managing keytab using keytab tools.
  • Knowledge on Hadoop Security Kerberos / Ranger Knowledge on cloudera Familiar with importing and exporting data using Sqoop from RDBMS MySQL, Oracle and also using fast loaders and connectors Experience and Experience in handling multiple relational databases: MySQL, Oracle Server. Assisted Developers with problem resolution and performance turning.
  • Ability to play a key role in the team and communicates across the team.
  • Global Service Delivery experience by bringing together resources to accomplish organizational goals using ITIL framework.
  • Experienced as part of L1 support for Hadoop Clusters and Linux Servers.

Work History

Hadoop Admin

ETEAMS INFO SERVICE PVT LTD
Hyderabad
  • Part of L1 support
  • Troubleshooting and resolving tickets related to servers in production
  • Responsible for analysis of current programs for diagnosis and troubleshooting issues
  • Wrote the new code for enhancements using Shell Scripting
  • Completing the scheduled tasks within the stipulated time
  • Participating in incident review meetings
  • Documenting the production guides with the latest information
  • Responding promptly and professionally to bug reports
  • Wrote scripts for automation
  • Interacting with client and providing effective communication on bridge
  • Handling the issues related to installation, configuration, operations and performance Monitoring the servers through ambari, scheduling the jobs through oozie, monitoring the yarn jobs, hive jobs
  • Involved in start to end process of Hadoop cluster setup which includes installation, configuration and monitoring the Hadoop Cluster
  • Responsible for Cluster maintenance, commissioning and decommissioning Data nodes, Cluster Monitoring, Troubleshooting, Manage and review data backups, Manage & review Hadoop log files
  • Monitoring systems and services, architecture design and implementation of Hadoop deployment, configuration management, backup, and disaster recovery systems and procedures
  • Configured various configuration files like core-site.xml, hdfs-site.xml, mapred-site.xml based upon the requirement
  • Importing and exporting data into HDFS using Sqoop, Hive
  • Experienced in define being job flows with Oozie and cronjobs Loading log data directly into HDFS using Kafka Experienced in managing and reviewing Hadoop log files
  • Installation of various Hadoop Ecosystems and Hadoop Daemons
  • Installation and configuration of Hbase Managed and reviewed Hadoop Log files as a part of administration for troubleshooting purposes
  • Communicate and escalate issues appropriately
  • As an admin followed standard Back up policies to make sure the high availability of cluster
  • Involved in Analyzing system failures, identifying root causes, and recommended course of actions
  • Documented the systems processes and procedures for future references
  • Installed and configured Hive, Kafka, Sqoop and Oozie on the Hadoop cluster
  • Involved in Installing and configuring Kerberos for the authentication of users and hadoop daemons.

Hadoop Admin

PERIGON TECHNOLOGIES
Hyderabad

Education

Skills

  • MySQL
  • Linux
  • APACHE KAFKA
  • HADOOP
  • HDFS
  • YARN
  • MAPREDUCE
  • CDP
  • HIVE
  • SERVICE NOW

Hobbies and Interests

  • Playing Chess
  • Listing to Music
  • Travelling

Timeline

Hadoop Admin

ETEAMS INFO SERVICE PVT LTD

Hadoop Admin

PERIGON TECHNOLOGIES

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Raju Neralla