Articles by Shiv Iyer

About Shiv Iyer

Open Source Database Systems Engineer with a deep understanding of Optimizer Internals, Performance Engineering, Scalability and Data SRE. Shiv currently is the Founder, Investor, Board Member and CEO of multiple Database Systems Infrastructure Operations companies in the Transaction Processing Computing and ColumnStores ecosystem. He is also a frequent speaker in open source software conferences globally.

Understanding cursor implementation in MySQL

In MySQL, a cursor is a database object that allows you to retrieve and manipulate data row by row. It provides a mechanism for iterative processing of query results. Cursors are often used when you […]

How to replace subqueries containing aggregate functions in PostgreSQL with Windows functions?

How To Start Logical Replication in PostgreSQL for Specific Tables Based on a pg_dump?

Starting logical replication in PostgreSQL for specific tables based on a pg_dump involves a series of steps. Here’s a step-by-step guide: CREATE PUBLICATION my_publication FOR TABLE table1, table2, …;ALTER PUBLICATION my_publication ADD TABLE table3, table4, […]

Influencing PostgreSQL Query Planner: Understanding Query Hints and Optimizer Barriers

Are you curious why PostgreSQL lacks query hints and how you can still influence execution plans? Discover alternative techniques to force join orders in PostgreSQL and optimize query performance. Why PostgreSQL avoids query hints? Dive […]

How to implement Encryption-at-Rest for PostgreSQL in Kubernetes?

Implementing encryption-at-Rest for PostgreSQL in Kubernetes involves configuring encryption for the persistent storage where PostgreSQL data resides. Below is a step-by-step explanation of how to achieve this, along with a real-world example: apiVersion: apps/v1kind: Deploymentmetadata:name: […]

Reading and Writing Blocks in InnoDB

InnoDB, the default storage engine in MySQL, uses a buffer pool to manage the reading and writing of data blocks. The buffer pool is a cache that holds frequently accessed data pages in memory, reducing […]

SQL/JSON patches committed to PostgreSQL 15!

PostgreSQL SQL/JSON: PostgreSQL continues evolving its support for modern data formats with each release. Notably, PostgreSQL 15 introduces significant improvements to handle JSON data more efficiently. These updates bring greater flexibility, performance, and ease of […]

The Power of Partnership: How MinervaDB Transforms Corporate Open Source Database Infrastructure Operations?

Real Stories, Real Impact Once upon a time, in the fast-paced world of global corporations, a new era of data-driven decision-making was taking shape. As businesses began facing increasing pressure to manage vast amounts of […]

Disaster Recovery for PostgreSQL on Kubernetes: Simplifying Business Continuity

Introduction: In the digital age, businesses cannot afford to overlook the importance of disaster recovery. With increasing reliance on data, system outages or data loss can have catastrophic consequences, leading to significant disruptions and financial […]

Know Your Isolation Levels to Develop Optimal and Scalable PostgreSQL-based Applications

Isolation levels in PostgreSQL play a crucial role in ensuring the consistency, performance, and scalability of your applications. By understanding and selecting the appropriate isolation level, you can develop optimal and scalable PostgreSQL-based applications. Let’s […]