import kibana dashboards and visualization using groovy
Automate importing Kibana dashboards and visualizations with a small Groovy script, no manual export/import clicking.…
What do skydiving and building a tech community have in common
What skydiving taught me about building a tech community: fear, preparation, and the leap that makes both worth it.…
Spring Boot metrics monitoring using elasticsearch and kibana
Ship Spring Boot Actuator metrics to Elasticsearch and visualize them in Kibana: a monitoring pipeline for microservices.…
Using Redis as Buffer in the ELK stack
Use Redis as a buffer in the ELK stack: decouple log shippers from Logstash and keep spikes from overwhelming Elasticsearch.…
Yo! Avoid finalizers.
Why you should avoid Java finalizers: unpredictable, dangerous, and unnecessary. What Effective Java item 7 means in practice.…
Understanding JIT compiler (just-in-time compiler)
How the Java JIT compiler works: bytecode to native code, C1/C2 tiers, and why the compiler matters most for JVM performance.…
Generate custom QRCode with logo image using zxing
Generate custom QR codes with a logo overlay in Java using ZXing, exposed as a small Spring REST service.…
Service registration & discovery with Spring Cloud Netflix - Eureka
Service registration and discovery with Spring Cloud Netflix Eureka: server setup, client registration, and failover basics.…