Backend Engineering
Backend Engineering••24 min read
JVM Cold Start in 2026: Leyden vs GraalVM Native Image vs CRaC
Slow JVM cold start breaks scale-to-zero and autoscaling. Three ways to fix it in 2026 — Project Leyden's AOT cache, GraalVM Native Image, and CRaC — with the exact commands, the trade-offs, and a decision framework.
BackendBytes Engineering Team
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