Posts
All the articles I've posted.
A Practical Guide to Elasticsearch in Application Development, with a Real Optimization Case
A checklist for using Elasticsearch in application development, covering analyzer validation, field mappings, index planning, lifecycle management, and capacity estimates. A real logging use case illustrates performance problems caused by cleanup and writes, along with improvements using data streams, circuit breakers, and batching.
Building Elastic Stack from the Official Documentation: A Three-Node Elasticsearch Cluster, Kibana, Filebeat, Metricbeat, and Migration Without Downtime
Uses Docker Compose to build Elastic Stack with a three-node Elasticsearch cluster, Kibana, Filebeat, and Metricbeat, explaining TLS and monitoring configuration. Drawing on a production migration, it discusses moving from one node to a cluster through domain switching, data migration, and connection verification.
JDBC Streaming Reads and Correct Streaming Processing, with Examples
JDBC streaming reads.
Kafka (Part 6): Oracle-to-PostgreSQL CDC with Kafka Connect and Debezium, and Cache Consistency
Introduces CDC and synchronizes Oracle data to PostgreSQL through a Kafka Connect and Debezium example. It discusses database synchronization, Elasticsearch imports, and cache consistency, comparing the conditions under which different approaches are suitable.