Aneesh Pulickal Karunakaran Email & Phone Number

Sydney, Nsw, Au

Building Chaos/Resilience Framework for Atlassian.

San Francisco, California, Us

Work as the lead SRE in Uber Marketplace Platform(MP) SRE team. Joined as the first SRE and successfully bootstrapped a team of 6+ members. Involved in the hiring, training, mentoring of the team members from the inception.Implemented SLA/SLO for Marketplace Platform Services.Platform level and Application level Capacity testing and planningImproving observability of Marketplace Platform.

Sunnyvale, Ca, Us

Managing 100PB+ Apache Hadoop Clusters and Presto clusters at Linkedin.Responsible for Hadoop Performance, reliability, capacity planning and MonitoringSupport other Hadoop Echo systems such as Apache Hive, Pig, Spark,etcAutomation of various tasks including cluster management tools, capacity planning tool etc.Working with multiple configuration Management systems such as bcf2, salt etc.Active role in planning and implementation of Preso at Linkedin.

Singapore, Sg

• Primary ownership of Grid Platform and Data Streaming/Messaging platformo Have deep level operational understanding of HDFS and YARNo Hands on experience with other Grid components Hbase,Zookeeper,Oozie and Falcono Work closely with platform dev team, actively takes part in discussions on improving cluster stability, adding new features, configuration tunings, operability improvements, ongoing issues etc.o Implemented Namenode and ResourceManager High availabilityo Implemented cgroup in yarn to control and govern CPU resource utilization across multiple taskso Capacity Planning and cluster augmentationo Troubleshooting issues related to hadoop ecosystems.o Troubleshooting issues related to Linux OS, Hardware etco Graphing of Hadoop jmx metrics using Grafana and Graphite.o Own inmobi messaging/streaming platform, that constitute of scribe messaging service and conduit• Hadoop Upgradeso Planned and executed Cloudera(CDH4) to HortonWorks(HDP) 2.2.4 ( Hadoop 2.6.0) upgrade. Worked closely with dev, QA, other stakeholders and were able to complete this task without any surprises.o Takes care of minor version upgrades (patches, bug fixes) and configuration changes across grid clusters• Hadoop Monitoringo Graphing of hdfs and yarn jms metrics using graphite and grafana.o Graphing of system metrics using collectd, graphite and grafanao Use Nagios for sending oncall alerts• HDFS/yarn TuningVery good understanding of HDFS and YARN configurations

Sunnyvale, Ca, Us

• Managing Yahoo advertising applications using the Yahoo Hadoop eco system• Work with cross-functional team to onboard new pipelines • Capacity Planning and conducting Load test on hardware.• Primary ownership of Yahoo Image search crawlers and thumbnails• Prepared and executed migration plan for upgrades like FreeBSD to RHEL Migration, PHP 4 to PHP5 Migration, Migrating Legacy component to Yahoo Standard component.• Configuration and management of RHEL hosts which serve Yahoo Image Search web traffic.• Performance tuning for Image Search web servers and backend clusters running on RHEL. • Creating automation tools for tasks which requires manual attention on daily basis.• Implemented Business Continuity Plan for multiple components.