GC logs changes for migrating to JDK 11 and higher.
GC Logs changes for migrating from JDK 8 to JDK 11.
Installing UBUNTU WSL on Windows 10 on private (office) network
Installing UBUNTU WSL on Windows 10 on private (office) network
Challenges of moving from Kafka Mirror Maker to Brooklin for SSL Kafka Brokers
Challenges of moving from Kafka Mirror Maker to Brooklin for SSL kafka Brokers
Access spring Request scope cache in Singelton bean called from fork-join/thread pool
Fix for : Scope 'session' is not active for the current thread; IllegalStateException: No thread-bound request found
Replacing Mirror-Maker with linked in Brooklin
Problem: Mirror Maker has been used extensively to replicate data between different cluster of Kafka . Its time to expand horizon and create a more stable data transfer framework which removes shortcomings of Mirror Maker. Solution: Mirror Maker at the core is a kaka publisher subscriber taking data from one cluster and pushing to another... Continue Reading →
Websockets with Jmeter : Getting Performance Numbers
Performance testing of real time websocket built using Stomp broker using Junit .
Web socket java client for Stomp-Spring server side.
As an analysis for an issue I had to write a simple java web socket client site code connecting to a Spring based application on the server side with a stomp based web socket broker .
Identifying Hidden Kafka Consumer after re-balance
We started noticing that at times we would get re-balance Kafka consumer group and suddenly we would notice our application consumer stop getting messages . And then before we could run some diagnostics it would re-balance again and our consumer would start getting messages but we would have lost some messages in between .
Read data till Kafka Consumer Committed Position
Making Kafka Consumer only read messages till a specified position .Specially to the point where another consumer stopped reading .
Spring HATEOAS adaptation to existing systems
Lately i was involved in lot of discussion at work whether HATEOAS is a good option for our new REST application which would serve as an interface to multiple back-end services we have been building . I believe there is no need for me explain the concept of HATEOAS here as there are good enough... Continue Reading →
