Articles by tag: cdc

Oracle → PostgreSQL Migration Without Downtime

Step-by-Step Technical Guide to Migrating from Oracle to PostgreSQL Without Service Downtime. CDC, Debezium, Kafka Connect, Liquibase — Implementation Details.

Inner join in Flink with Debezium CRUD

Implementation of real-time inner join of tables in Apache Flink with full support for create/read/update/delete from Debezium. Code, state management, limitations. For middle/senior dev.

Flink real-time JOIN: tables 4+2 TB

Implementation of stateful JOIN on Apache Flink for real-time result updates between terabyte tables. Table API, KeyedCoProcessFunction, MapState. Code and architecture for middle/senior.

SSE notifications in SPA: real time without polling

Integration of SSE and Mercure for asynchronous updates in SPA. Reuse of OpenAPI schemas, CDC for DB changes. Guide for middle/senior dev.