Apache Pinot - A realtime distributed OLAP datastore
Role in this project:
Back-end Developer Contributions:159 reviews, 256 commits, 274 PRs in 7 years 9 months
Contributions summary:Kishore contributed to the addition of aggregation phase jobs, additional dependencies, and map reduce aggregation jobs. These changes involved modifying existing Java code, including the `TimeSeries.java` file, and creating and manipulating byte buffers. The focus appears to be on enhancing the performance and functionality of the aggregation tasks within the Apache Pinot system. The commits involve creating a new class `AggregationKey`, which indicates the developer is focused on the underlying data processing aspects of the project.
apache-pinotolapjava
Role in this project:
Back-end Developer & System Architect Contributions:1 review, 347 commits, 3 PRs in 5 years 10 months
Contributions summary:Kishore primarily contributed to the core functionality of the cluster-manager-core module, with changes centered around the management and manipulation of Zookeeper records, consistent hashing algorithms, and the internal state model definitions. The work involved refactoring and implementing the core messaging service APIs along with changes to ensure correct state transitions, specifically handling session expiration, and making modifications to the build process to use the ZNRecord class, and implementing file based implementation. Furthermore, the user addressed crucial aspects of rebalancing and cluster stability by implementing functionality for handling data compression and allowing for custom rebalancer implementations within the system.
helixapachebig-datacloudjava