Introduction vmemcache which we have recently described performs close to optimum when either all keys are approximately equally likely to be queried, or when all key:value pairs fit completely into the fastest form of memory you are willing to use. But, in many workloads, some keys are “hot” and …

Introduction libvmemcache is a volatile key-value store optimized for operating on NVDIMM based space. However, it can work with any filesystem whether it is stored in memory (tmpfs) or on any storage device. Consequently, libvmemcache will be significantly less performant if it is stored on the …