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Kafka Fundamentals

Apache Kafka is a powerhouse for real-time data streaming, acting like a superhighway for data that never sleeps. For database engineers dipping their toes into streaming, it’s your bridge from batch processing to instant insights. Kafka Basics Picture Kafka as a distributed post office for massive data volumes. Producers (apps sending data) drop messages into…

Azure PostgreSQL Flexible Server: Inactive Replication Slots Eating Your Storage (And How to Fix It)

Inactive replication slots in Azure Database for PostgreSQL Flexible Server can silently fill your disk with WAL files. Here’s how to spot, drop, and prevent them. The Problem: WAL Explosion from Orphaned Slots Replication slots ensure WAL retention so consumers (CDC tools, read replicas) don’t miss changes. Inactive slots—created by stopped CDC jobs, deleted replicas,…

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About Me

Hi, I’m Vinay Are. Principal Database Engineer at Teladoc Health Inc. I spend my time with my daughter and wife when I am not working. In my spare time, I do landscape and macro photography as a hobby. This blog is for my love of databases, a place to store important things I want to remember about databases

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