SAGAR J

• 3.3 years of experience in IT industry, currently working as a Hadoop Administrator at Trinity Moblity Pvt Ltd on BigData using Cloud Platforms.
• Skilled in cluster maintenance, troubleshooting, monitoring, backup & recovery strategies, and Hadoop ecosystem installation.
• Expertise in commissioning and decommissioning nodes, configuring backup, and recovering from Name Node failures.
• Proficient in setting up Kerberos security using Cloudera Manager, and installation and configuration of various Hadoop ecosystems.
• Experience in HDFS tuning, MapReduce, YARN architecture with high availability and analyzing log files for root cause identification.
• Implemented CDH and set up Hadoop & Kafka ecosystems using both manual configurations and automation scripts.

Date of Birth: 06/05/1994

• Kannada
• English
• Tamil
• Telugu

Projects Undertaken

Bengaluru Safe City

• Duration: March 2023 - Present
• Tools Used: HDP, Ambari,HDFS, HBase, Hive, Phoenix, Kafka, Zookeeper, YARN, MapReduce2
• Description: Installed and configured a comprehensive Hadoop ecosystem to establish a robust vehicle tracking system.
• Implemented HDFS for data storage and management.
• Set up HBase for real-time data querying and processing.
• Developed Hive queries for data analysis and reporting.
• Integrated Apache Kafka for real-time data streaming and processing.
• Configured Zookeeper for centralized service management.
• Orchestrated resource allocation and scheduling using YARN.
• Ensured seamless operation and performance optimization of the Hadoop ecosystem.

Maha112 - Complaint Register and Emergency Service

• Duration: March 2023 - Present
• Tools Used: Similar to Bengaluru Safe City project.
• Description: Implemented a Hadoop-based system to manage emergency service data efficiently.

EWDS - Early Warning Disaster Management System

• Duration: March 2022 -June 2022
• Tools Used: Similar to Bengaluru Safe City project.
• Description: Developed a disaster management system using the Hadoop ecosystem to ensure timely warnings and data management.

Chennai Smart City

• Duration: July 2022 - February 2023
• Tools Used: Similar to Bengaluru Safe City project.
• Description: Installed and configured the Hadoop ecosystem for smart city data management and analytics.

AP-108 Emergency Service

• Duration: March 2023 - November 2023
• Tools Used: Similar to Bengaluru Safe City project.
• Description: Implemented a robust data management system for emergency services.

Apache Bigtop and Ambari 2.8.0

• Duration: July 2023 - Present
• Tools Used: Bigtop, Ambari, HDFS, HBase, Hive, Phoenix, Kafka, Zookeeper, YARN, Ranger, Druid, Atlas, Spark2, MapReduce
• Description: Engaged in R&D focusing on Apache Bigtop and Ambari 2.8.0, ensuring the latest tools and technologies are integrated within the Hadoop ecosystem.