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The nearest conference is JPoint 2025, April 3–4 (Moscow + broadcast). Details and tickets: https://jrg.su/T2zfbS — — At the early stages of writing an application, we often don’t think about how we will scale it later. At some point after the release, such a need arises to cope with the increased load and improve availability. However, the application may not be ready for this. What can prevent you from simply launching several instances: schedulers; websockets; application cache — simple ConcurrentHashMap or Spring Cache; user sessions stored in memory. We encountered some of these problems when launching the GridGain Control Center SaaS solution. Fortunately, each of these points can be quickly addressed if you use the right tools. Download the presentation: https://downloads.ctfassets.net/oxjq4...