
Pawan Ponugupati engineered reliability and security improvements across the pentaho-hadoop-shims, pentaho-platform, and big-data-plugin repositories, focusing on Hadoop ecosystem compatibility and cloud readiness. He upgraded driver dependencies, refactored Parquet handling, and patched vulnerabilities in Java and Shell-based components to support Hadoop 3.4.0, CDP, and AWS EMR environments. Pawan streamlined configuration and dependency management, enabling stable cluster connectivity and reducing runtime errors for data pipelines. His work included deprecating legacy features, aligning JVM options for protobuf compatibility, and remediating security risks through targeted library updates. These efforts enhanced maintainability, reduced upgrade friction, and ensured robust, secure data processing across platforms.

July 2025 summary: Focused on reliability, cloud compatibility, and EMR readiness across Hadoop shims, Pentaho Platform, and Big Data Plugin. Delivered cross-repo updates to protobuf/ORC/Parquet compatibility in Hadoop shims, enabling PMR jobs on CDP/EMR and preventing runtime errors. Enhanced EMR 7.x shims with new drivers, connectivity fixes, and cleanup of obsolete emr700 references to streamline support. Fixed Orc and protobuf-java compatibility in the Pentaho Platform by enabling a JVM option for protobuf 3.25.6, stabilizing service operation. Expanded EMR 7.x configuration support in the Big Data Plugin with emr770sampleconfig.properties and removed outdated emr700 references, improving newer EMR deployments. Fixed a PMR libraries build issue by correcting versioning to restore reliable builds. These changes collectively reduce runtime failures, accelerate cloud deployments, and demonstrate cross-team collaboration and hands-on modernization of data processing pipelines.
July 2025 summary: Focused on reliability, cloud compatibility, and EMR readiness across Hadoop shims, Pentaho Platform, and Big Data Plugin. Delivered cross-repo updates to protobuf/ORC/Parquet compatibility in Hadoop shims, enabling PMR jobs on CDP/EMR and preventing runtime errors. Enhanced EMR 7.x shims with new drivers, connectivity fixes, and cleanup of obsolete emr700 references to streamline support. Fixed Orc and protobuf-java compatibility in the Pentaho Platform by enabling a JVM option for protobuf 3.25.6, stabilizing service operation. Expanded EMR 7.x configuration support in the Big Data Plugin with emr770sampleconfig.properties and removed outdated emr700 references, improving newer EMR deployments. Fixed a PMR libraries build issue by correcting versioning to restore reliable builds. These changes collectively reduce runtime failures, accelerate cloud deployments, and demonstrate cross-team collaboration and hands-on modernization of data processing pipelines.
June 2025 monthly summary focusing on key accomplishments: security-focused vulnerability remediation and dependency updates across the Hadoop ecosystem, with emphasis on library compatibility, code refactoring, and risk reduction. Delivered critical fixes across three repositories, maintaining product stability while enhancing security and maintainability.
June 2025 monthly summary focusing on key accomplishments: security-focused vulnerability remediation and dependency updates across the Hadoop ecosystem, with emphasis on library compatibility, code refactoring, and risk reduction. Delivered critical fixes across three repositories, maintaining product stability while enhancing security and maintainability.
April 2025 – Maintenance month focused on pentaho/pentaho-hadoop-shims. Delivered a critical bug fix to Knox connectivity in the cdpdc driver by ensuring httpcore and httpclient jars are correctly included, resolving a dependency issue that prevented communication with Knox and blocked CDP/DC driver connectivity.
April 2025 – Maintenance month focused on pentaho/pentaho-hadoop-shims. Delivered a critical bug fix to Knox connectivity in the cdpdc driver by ensuring httpcore and httpclient jars are correctly included, resolving a dependency issue that prevented communication with Knox and blocked CDP/DC driver connectivity.
March 2025 monthly summary highlighting key features delivered, major fixes, and overall impact. Focused on a non-code feature that enhances compatibility and stability by upgrading a driver dependency in the Hadoop shims repository, with emphasis on business value and technical achievement.
March 2025 monthly summary highlighting key features delivered, major fixes, and overall impact. Focused on a non-code feature that enhances compatibility and stability by upgrading a driver dependency in the Hadoop shims repository, with emphasis on business value and technical achievement.
January 2025 monthly summary focusing on key deprecation signaling work for Pig Script Executor and a security patch upgrade for Tomcat 9.0.91. Delivered business value through user guidance improvements, risk reduction, and maintainability enhancements across repositories.
January 2025 monthly summary focusing on key deprecation signaling work for Pig Script Executor and a security patch upgrade for Tomcat 9.0.91. Delivered business value through user guidance improvements, risk reduction, and maintainability enhancements across repositories.
December 2024: Stability and compatibility improvements for pentaho-hadoop-shims. Key fix ensured the Apache driver version in the Hadoop cluster connection is updated after upgrading the default shim to Hadoop 3.4.0, preventing runtime issues and keeping the integration aligned with the platform upgrade. This work reduces support risk and improves upstream compatibility across environments.
December 2024: Stability and compatibility improvements for pentaho-hadoop-shims. Key fix ensured the Apache driver version in the Hadoop cluster connection is updated after upgrading the default shim to Hadoop 3.4.0, preventing runtime issues and keeping the integration aligned with the platform upgrade. This work reduces support risk and improves upstream compatibility across environments.
Month: 2024-11 – Developer work focused on enhancing Hadoop shims reliability, compatibility, and security for the Pentaho Hadoop ecosystem. The efforts improved cluster connectivity, reduced upgrade friction, and strengthened security posture for data pipelines across Hadoop environments.
Month: 2024-11 – Developer work focused on enhancing Hadoop shims reliability, compatibility, and security for the Pentaho Hadoop ecosystem. The efforts improved cluster connectivity, reduced upgrade friction, and strengthened security posture for data pipelines across Hadoop environments.
Overview of all repositories you've contributed to across your timeline