Project leader and architect.
His background includes object relational database engine (UniSQL) and
PostgreSQL development.
He is also the developer of GTM-Standby
Global Transaction Manager and PITR/barrier developer.
He is well known as HOT developer in PostgreSQL.
He is also helping in source code review and PostgreSQL internals.
Coordinator feature developer.
He has developed a couple of GTM features, pooler extension and DDL synchronization.
Lately, main focus is code stabilization and bug correction for regressions
He helped in modifying DBT-1 benchmark for Postgres-XC.
He also contributed to enhance pgbench in PostgreSQL 9.0.
Working on overall code stabilization and Coordinator functionalities
He has written the new distribution function MODULO and works on cluster subsets.
Has joined the project at release 0.9.4
Implementor of improvements with aggregates, GROUP BY, HAVING, query planning.
Has joined the project at release 0.9.6
Planning to work on SQL query extension and new features related to query planning.
Architect and development leader.
As a Coordinator developer, he has worked on planner and locator extensions.
He is also the main architect of GridSQL database cluster.
He has worked on Data Node, connection pooling and cursor support
He is also GridSQL developer and is now developing aggregate
functions and other cross-node operation.
Test, performance evaluation and analysis, related documents and utilities.
Binary buiding for releases.
He is also developing binary packages of PostgreSQL.