Robins Tharakan
Sr. Postgres Database Engineer
Adelaide, South Australia
Summary
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SeniorRobins Tharakan is a Senior Postgres Database Engineer with 11 years of experience, currently building database capabilities at Amazon Web Services from Adelaide, Australia. He specializes in PostgreSQL tuning and compatibility, demonstrated by pragmatic contributions to the popular sysbench benchmarking tool to support Redshift-like behaviors, bulk inserts, and OLTP automation. At AWS he focuses on making large-scale Postgres deployments reliable and performant, blending hands-on schema and tooling changes with operational know-how. Known for fixing subtle boolean logic and merging complex patches upstream, he brings both attention to detail and a systems-level view to database engineering.
11 years of coding experience
Stackoverflow
2,334reputation
197kreached
81answers
0questions
postgresql
top-5%
Github Skills (19)
aws-redshift10
postgresql10
lua10
amazon-redshift10
sql10
benchmark9
benchmarking9
schema-design9
db-schema9
database-schema9
schema9
database-design9
html6
vacuum6
php6
Programming languages (13)
Github contributions (5)
akopytov/sysbench
Nov 2016 - Dec 2016
Scriptable database and system performance benchmark
Role in this project:
Database Engineer / Database Administrator
Database Engineer / Database AdministratorContributions:9 commits, 16 PRs, 9 comments in 12 days
Contributions summary:Robins's primary contributions focused on modifying and adapting the `sysbench` benchmark tool for PostgreSQL, specifically targeting compatibility with Redshift. This involved changes to the database schema, including adjusting table creation and insert statements. Further modifications addressed issues with the bulk insert functionality and implemented the handling of the `oltp_auto_inc` variable within the tests. Additional work included correcting the use of boolean expressions and merging codebase.
databasebenchmarkmysqlpostgresqllua
robins/sqlreduce
Mar 2022 - Jun 2026
Reduce verbose SQL queries to minimal examples
Contributions:2 pushes, 1 branch, 1 comment in 4 years 3 months
sql
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