Top Architect

Jun 7, 2022 · Backend Development

Request Merging Techniques: Hystrix Collapser, Custom BatchCollapser, and ConcurrentHashMultiset

This article compares three request‑merging approaches—Hystrix Collapser, a custom BatchCollapser implementation, and Guava’s ConcurrentHashMultiset—explaining their configurations, code examples, and suitable scenarios for reducing downstream load and improving system throughput while also highlighting performance trade‑offs and practical tips for integration in Spring‑Boot services.