Project 2: UIDAI- Aadhar
Organization: HCL infosystems Ltd
Technologies: MAPR, Hdfs, Hive, MAPRDB, Oozie, Sqoop, Pig, Control Minder
Description:
Unique identification project was initially conceived as an initiative that would provide
Identification for each resident across the country and would be used primarily as the basis for
Efficient delivery of welfare services.
Responsibilities:
Cluster maintenance, commissioning & decommissioning data nodes.
Installation and configuration of MapR Hadoop cluster , Design & develop MapR DR setup, and
manage data on MapR cluster
End-to-end performance tuning of MapR clusters and Hadoop Map/Reduce routines against very
large data sets, working with MapR cluster along with MapR-Table(creation, import, export,
scan, list)
Managing & monitoring cluster.
Performed data balancing on clusters
Applications PROD Support as roaster and Hadoop Platform Support.
Managing MFS cluster users (MAPR), permissions and Application users access.
Working on Name Node high availability customizing zookeeper services.
Improve speed, efficiency and scalability of the continuous integration environment
Managing quotas to Mapr File System.
Recovering from node failure and troubleshooting common hadoop cluster issues.
Responsible for Mapr File system data rebalancing.
Responsible for performing the backup and Restoration of data from MFS to SAN and Tapes as
per Retention Policy.
Coordinating with team members for proper resolution of tickets
Checking daily jobs and space alerts
Manage and review Hadoop log files.
Troubleshooting day-to-day issues, such as login problems, network issues, permission issues.