SLM-DB: Single-Level Key-Value Store with Persistent Memory

Paper and presentation of SLM-DB presented at USENIX FAST'19 https://www.usenix.org/conference/fast19/presentation/kaiyrakhmet

Based on original source of LevelDB https://github.com/google/leveldb

Dependencies

• cmake
• DMDK - https://github.com/pmem/pmdk
• ndctl - https://github.com/pmem/ndctl

Installation

mkdir build
cd build
cmake ..
make -j

db_bench

There are additional options for db_bench. SLM-DB has no recovery functionality implemented yet, thus db_bench need re-run fill database for every benchmark

 --nvm_dir=<dir>          # path to PMEM directory
 --nvm_size=<size>        # NVM pool size
 --merge_ratio=<ratio>    # live/total key ratio in file to GC
 --range_size=<size>      # key count for range query benchmark (from i to i + range_size)
 --trace_dir=<dir>        # path to YCSB benchmark trace