Raj Jayakrishnan

Sr. Database Specialist SA at Amazon Web Services

About

Raj Jayakrishnan is a Senior Database Specialist Solutions Architect with Amazon Web Services helping customers reinvent their business through the use of purpose-built database cloud solutions. Over 20 years of experience in architecting commercial & open-source database solutions in financial and logistics industry.

Raj Jayakrishnan has presented the following presentations

PgVector Newbie to Expert at Postgres Conference 2025
A session to learn the fundamentals of PgVector
presented by Rajeev Thottathil and Raj Jayakrishnan
In recent years, vector search has emerged as a key tool for handling high-dimensional data, enabling applications like recommendation systems, semantic search, and AI-driven insights. pgvector is an extension for PostgreSQL that brings powerful vector search capabilities directly into the database, allowing you to store and query vector data alongside your traditional relational data.
This ...
more
Thu 20 2025 Essentials
Unleashing Query Performance: Parallel Processing in PostgreSQL at Postgres Conference 2025
Evolution of parallel processing in PostgreSQL
presented by Raj Jayakrishnan and Rajeev Thottathil
In the era of big data and data-driven decision-making, the ability to process large volumes of data efficiently has become a critical requirement for modern applications. Parallel query processing in PostgreSQL allows queries to leverage multiple CPU cores concurrently, significantly enhancing query performance and reducing execution times. This parallel execution paradigm is particularly valu...
more
Wed 19 2025 Essentials
Understanding Database Statistics in Postgres at Seattle 2024
Unlocking Insights for Performance Optimization
presented by Anita Singh and Raj Jayakrishnan

video
Extract: Understanding Database Statistics in PostgreSQL Understanding Database Statistics in Postgres Session Description Database statistics play a crucial role in optimizing query performance and overall database health in Postgres. This session will provide an in-depth look at the different types of database statistics maintained by Postgres, how they are collected and used by the qu...
more
Wed 6 2024 Ops
Designing Scalable Multi-Tenant Architectures with PostgreSQL for SaaS Solutions at Seattle 2024
Multi-tenancy with PostgreSQL databases
presented by Raj Jayakrishnan and Rajeev Thottathil

video
Tenant isolation, resource sharing, security, and performance are critical in designing multi-tenant database architectures. SaaS providers leverage these architectures to consolidate databases, enhancing agility, scalability, operational efficiency, and cost optimization. In this session, we will explore multi-tenancy partitioning models, cost optimization strategies, high availability, disast...
more
Thu 7 2024 Ops