High-performance billion-scale off-heap cache for JVM — requires JDK 25+ (LTS)

RMCache JSR-107 (JCache) provider

RMCache metrics: low-overhead latency-sampling decorator and snapshot for OffHeapCache

RMCache Micrometer binder: exposes cache statistics as Micrometer meters

RMCache OpenTelemetry instruments: exposes cache statistics as OpenTelemetry observable metrics