Paul Chandler
Cassandra Consultant @Ericsson
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WORK HISTORY
Cassandra Consultant @Ericsson
Support Cassandra within the Ericsson billing systemTested Cassandra 5.0 to ensure compatibility with current operations, documented upgrade processes, including full documentation of storage compatibility modes. Provide 3rd line support for production client clusters, including a 1,300 node multi dc cluster.Tuned cluster to reduce latency during maintenance windows and to improve node start up times.Documented how hints work, in particular to understand the issues with hints in very large clusters.Diagnose issues within very large clusters by debugging Apache Cassandra open source code, including raising of bugs CASSANDRA-20118 ( hints ), CASSANDRA-19785 ( memory leak )Worked with Apache Community testing Transactional Cluster Metadata in Cassandra 5.1.
EDUCATION
UCL
BSc, Computer Science
SKILLS
ABOUT PAUL CHANDLER
Experienced Cassandra consultant with extensive experience of support, troubleshooting, data modelling, and promoting best practice. Experienced in supporting very large clusters, for large multinational companies. Familiar with Cassandra code base, and happy to step through code to find potential issues if required.Background in software architecture and development, specially designing and building complex demand forecasting and revenue management systems for the travel industry, ensuring durability and scalability in full life-cycle projects through delivery of robust architectures
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