Data retained in kafka topic even after retention.ms is passed.
Fix for : Scope 'session' is not active for the current thread; IllegalStateException: No thread-bound request found
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 →
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 .
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 .