SRIRAMULU DOMA

About

Having 4+ years of IT Experience in Cassandra DBA, Hadoop Ecosystem tools, MySql and implementing, designing and maintaining applications in cloud and LINUX environment. • Worked on HDP (HortonWorks Data Platform), Datastax, Apache and MySQL 5.7 • Experience in installing, Configuring and troubleshooting Apache Hadoop in Hortonworks. • Hands on experience in Hadoop ecosystem components like HDFS, YARN, Sqoop, Hive, MR, Oozi and ambari. • Experienced in managing and understanding Hadoop log files. • Working expirence with Devops tools like git , Jenkins, salt stack , kubernetes. • Experience in Implementing High Availability of Name Node and Hadoop Cluster capacity planning, Experience in performing backups and disaster recovery of Name Node metadata and important and sensitive data residing on cluster. • Expert level installation and configuration on Cassandra (Apache Cassandra 2.x, 3.x and Datastax 4.0.3/4.6.0/4.6.7/4.8/5.0/5.1/6.0) Multi Node Cluster and Multi Datacenter. • Deep understanding of Cassandra cluster management like add/bootstrap nodes, remove/ replace nodes to clusters. • Worked on High end activities like Migration, switchover and switch back (DR drill) configurations. • Experience in Cassandra database backup and recovery, connectivity and security, database creation and role assignment using DataStax / Cassandra enterprise version. • Hands on experience in Nodetool Commands in Cassandra and RMAN utility for MySql backups and recoveries. • Excellent in Cassandra Opscenter configuration and monitoring. • Good experience in Apache Kafka multinode installations, Topic creations and data streaming. • Strong background in UNIX, Linux ( Redhat, CentOS 6.x/7.x, Ubuntu). • Experience in managing Hadoop infrastructure like commissioning and decommissioning , log rotation , rack topology implementation. • Strong Experience in upgrading Cassandra and Hadoop cluster from current version to minor version upgrade as well as major versions. • Excellent in writing SaltStack scripts for some day to day activities. • Built servers using AWS, importing volumes, launching EC2 creating security groups, auto-scaling, in the defined virtual private connection. • Experience with continuous integration tools like Jenkins.

Skills & Expertise (19)