Elasticsearch is an excellent search engine, but it has few complications. One of them is updating documents/records in the index and that’s because Elasticsearch does not support ACID transactions. Elasticsearch treats all its documents as immutable. Continue reading “Elasticsearch optimistic lock(Java)”
When working with a combination of Confluent Schema Registry + Apache Kafka, you may notice that pushing messages with different Avro schemas to one topic was not possible. Starting with Confluent Schema Registry version 4.1.0, you can do it and I will explain to you how.
Continue reading “Multi schemas in one Kafka topic”