Introduction We have just split libvmem and its companion libvmmalloc out of the PMDK tree. They now live in a separate repository, and will follow their own release cadence. And, as these libraries are considered mature and finished, no new releases are planned once the split has been tested and …

If you are following our mailing group, you’ve probably noticed a stream of release announcements for libraries that are a part of PMDK. Here’s a recap of the most important new features and additions. libpmemkv 1.0 The primary goal of PMDK is enabling adoption of Persistent Memory. We …

Introduction C++ language restrictions and the persistent memory programming paradigm imply serious restrictions on objects which may be stored on persistent medium. A user can access persistent memory with memory mapped files to take advantage of its byte addressability thanks to libpmemobj and …

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 …