Kumar E Email & Phone Number

Consult, make recommendations, and design and provide solutions related to the migrationto MongoDB.• Experience in Writing MongoDB Schema using Mongos.• Good experience on MongoDB scaling across data centers and/or in-depth understanding of MongoDB HA strategies, including replica sets.• Migrated Database from SQL Databases (Oracle and SQL Server) to NO SQL Databases (MONGODB)• Experience in Mongodb replication and sharding techniques.• Good knowledge on Mongodb MMS monitoring.• Expertise in taking MongoDB backup with lvm and MMS snapshots.• Good knowledge on MongoDB advanced data modeling options.

Responsible for architecting Hadoop environment• Responsible for implementation and ongoing administration of Hadoop infrastructure • Installed/Configured/Maintained Apache Hadoop clusters for application development and Hadoop tools like Hive, Pig, HBase, Zookeeper and Sqoop. • 24x7 REMOTE MANAGEMENT through Ganglia • Managing the configuration of the cluster to the meet the needs of analysis whether I/O bound or CPU bound • Having knowledge on documenting processes, server diagrams, preparing server requisition documents • Working on setting up two 5 nodes development clusters and 10 node staging cluster using MapR M5 • Experienced in dealing with MapR support team, bug reporting, resolving configuration and other MapR related issues • Responsible for MapR sales team to discuss MapR architecture and setting up and documenting best practices for Comcast • Working on setting up 100 node production cluster and a 40 node backup cluster at two different data centers • Working on setting up security processes, CADA authentication, user quota management, data management • Involved in setting up hive, hiveserver2, hive authorization and testing the environment • Involved in setting up hbase, oozie, zookeeper • Wrote shell scripts for rolling day-to-day processes and it is automated. • Responsible for onboarding new customers, walking them through the platform • Having knowledge on developing MapReduce scripts with Ruby. • Perform administering Hadoop environment, managing jobs, monitoring cluster performance using MapR control center, Nagios and customized shell scripts, generating reports • Responsible for automatic MapR tasks (adding, deleting volumes, managing users etc.), managing MapFS, NFSMounts through shell scripts Consulting on Hadoop ecosystem: Hadoop, MapReduce, Hbase, Sqoop, Amazon Elastic Map Reduce (EMR)

• Installed and configured R12 application in a multi node RAC environment with PCP and application LOAD BALANCING. • Installed and configured 10g/11g Physical standby with Data Guard for DR. • Migrated Oracle Applications from NetApp File system To EMC on ASM • As Production DBA, managed all database issues including database capacity, re-orgs, backup & recovery, scripting and Performance tuning. • Supported various Financials, Supply Chain, Order Management, Manufacturing, HR and Payroll Modules in 24x7 Production Environment. • Provided Production / Development support to Oracle DATA WAREHOUSE environment • Installed and configured 12c / 10g Grid Control and Confio to monitor various Production and Development databases. • Installed and configured 10g/11g Oracle Transparent Gateways to connect to heterogeneous Databases. • Applied various database / applications PSU / CPU patches as required. Also applied monthly vertex updates • MONITORING APPLICATIONS and Database Backups. • Monitoring Concurrent manager and concurrent requests. • Issue management - Files, Schemas, Tablespaces etc. • Export and Import schemas using data pump. • Database Refresh. • Support & Administration of Oracle 11i, R12 Applications • Monitoring Concurrent manager and concurrent requests. • Object migration - compile forms, reports and packages etc. • User creation setups, Creation of Responsibilities. • Menu and functions creations, Profile Option Settings, Printer Setups. • Creation of Concurrent Mangers, Programs, and Request sets • User Management and gathering statistics(GSS) on Database Objects