Chaitanya Kumar Email & Phone Number

Bengaluru, Ka, In

Bengaluru, Karnataka, India

Bengaluru, Karnataka, India

Bengaluru, Karnataka, India

Bengaluru Area, India

Highly skilled Bigdata professional with extensive experience on distributions like Hortonworks, Cloudera and MapR on Hadoop Eco-Systems Experienced in installation, configuration, supporting and monitoring 1000+ nodes Hadoop cluster using MAPR, Hortonworks and Cloudera distributionsStrong understanding on Hadoop architecture and MapReduce frameworkExpertise on Hadoop cluster setup, configuration and maintenance using Hortonworks, Cloudera and MapRResponsible for deploying new… Show more Highly skilled Bigdata professional with extensive experience on distributions like Hortonworks, Cloudera and MapR on Hadoop Eco-Systems Experienced in installation, configuration, supporting and monitoring 1000+ nodes Hadoop cluster using MAPR, Hortonworks and Cloudera distributionsStrong understanding on Hadoop architecture and MapReduce frameworkExpertise on Hadoop cluster setup, configuration and maintenance using Hortonworks, Cloudera and MapRResponsible for deploying new hardware / software components to the clusterSuccessfully deployed the new environments in Amazon cloud from the scratch like designing, planning, installing and maintaining the clusters.Experience in configuring Hadoop based monitoring tools – Cloudera Manager, Nagios & Ganglia.Created and maintained zero fault tolerance Hadoop clusters by keeping High Availability or active-active services.Implemented and managed security for the authentication by using Kerberos and Ranger / Sentry for authorization mechanism for Hadoop clustersUsed different tools “Key Management Server” and Key Trustee Server” for managing the keys for encrypting the data within the cluster to do “At rest” encryption.Well planned in Backup and Disaster Recovery by using BDR tools and backing up the data to cloud storage like S3Well versed monitoring and troubleshooting issues with Linux memory, CPU, OS, storage and network (DNS, TCP/IP).Well experience in cluster maintenance, troubleshooting, monitoring and setting up proper backup and recovery strategies. Show less

Bangaon Area, India

Responsible for implementation and ongoing administration of Hadoop infrastructure. Deploy new hardware and software environments required and building new clusters.Monitor the data streaming between web sources and HDFS. Diligently teaming with the infrastructure, network, database, application and business intelligence teams to guarantee high data quality and availability.Collaborating with application teams to install operating system and Hadoop updates, patches, version… Show more Responsible for implementation and ongoing administration of Hadoop infrastructure. Deploy new hardware and software environments required and building new clusters.Monitor the data streaming between web sources and HDFS. Diligently teaming with the infrastructure, network, database, application and business intelligence teams to guarantee high data quality and availability.Collaborating with application teams to install operating system and Hadoop updates, patches, version upgrades when required.Screen Hadoop cluster job performances and capacity planning.Configuration change management where changing the configuration properties of the cluster based on volume of the data being processed.Monitor Hadoop cluster connectivity and security.Importing and exporting data using SQOOP from RDBMS to Hadoop.Working with data delivery teams to setup new Hadoop users which also includes setting up.Linux users and testing HDFS, Hive, Pig and Map Reduce access for the new users. Commissioning and Decommissioning the Data nodes in Hadoop Cluster.Inputs to development regarding the efficient utilization of resources like memory and CPU utilization based on the running statistics of Map and Reduce tasks.Remote Management through Cloudera Manager Show less

Hyderabad Area, India

Responsible for implementation and ongoing administration of Hadoop infrastructure. Deploy new hardware and software environments required.Monitor the data streaming between web sources and HDFS. Performed an upgrade in development environment from MCS 3.0.2 to MCS 4.0.2.Diligently teaming with the infrastructure, network, database, application and business intelligence teams to guarantee high data quality and availability.Upgrading Hadoop cluster using rolling… Show more Responsible for implementation and ongoing administration of Hadoop infrastructure. Deploy new hardware and software environments required.Monitor the data streaming between web sources and HDFS. Performed an upgrade in development environment from MCS 3.0.2 to MCS 4.0.2.Diligently teaming with the infrastructure, network, database, application and business intelligence teams to guarantee high data quality and availability.Upgrading Hadoop cluster using rolling upgrades.Collaborating with application teams to install operating system and Hadoop updates, patches, version upgrades when required.Screen Hadoop cluster job performances and capacity planning.Configuration change management where changing the configuration properties of the cluster based on volume of the data being processed.Monitor Hadoop cluster connectivity and security.Importing and exporting data using SQOOP from RDBMS to Hadoop.Working with data delivery teams to setup new Hadoop users which also includes setting up.Data migration from existing data stores to Hadoop.Linux users and testing HDFS, Hive, Pig and Map Reduce access for the new users. Commissioning and Decommissioning the Data nodes in Hadoop Cluster.Performance Tuning, Client/Server Connectivity and Database Consistency Checks using different Utilities.Inputs to development regarding the efficient utilization of resources like memory and CPU utilization based on the running statistics of Map and Reduce tasks.Remote Management through Nagios, splunk and Ganglia. Show less

Bengaluru Area, India

Installation, Configuration and Management Hadoop Distribution System like Cloudera. Trouble shooting of issues reported.Managing and troubleshooting issues with the Hadoop Cluster.Performed an upgrade in development environment from CDH 4.2 to CDH 4.6.Involved in Cluster coordination services through Zookeeper. Remote Management through Nagios and Ganglia.Managed the configuration of the cluster to meet the needs of analysis- I/O bound or CPU bound.Experienced in… Show more Installation, Configuration and Management Hadoop Distribution System like Cloudera. Trouble shooting of issues reported.Managing and troubleshooting issues with the Hadoop Cluster.Performed an upgrade in development environment from CDH 4.2 to CDH 4.6.Involved in Cluster coordination services through Zookeeper. Remote Management through Nagios and Ganglia.Managed the configuration of the cluster to meet the needs of analysis- I/O bound or CPU bound.Experienced in managing and reviewing Hadoop Log files.Performing bench mark test on Hadoop clusters and tweak the solution based on test results.Commissioning and Decommissioning the Data nodes in Hadoop Cluster. Show less