Introduction This article is also available on YouTube: Replication in distributed systems occurs when each piece of data has more than one copy and each copy is located on a separate node. There are a few reasons to adopt replication: To achieve the data redundancy and therefore allow a system...
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Experience in WebFlux (Netty) highload optimization
For the last three weeks our team was brainstorming a strange bug. We have a Spring Boot-based microservice deployed on OpenShift cluster which provides a REST endpoint, retrieving a user data from a NoSQL database. For some unknown reasons we were unable to gain more requests-per-second. The mystic power was...
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