Conclusion
In this paper, we propose a fast high-availability in-memory key-value store based on RDMA network and Optane DCPMM named FaHA. FaHA proposes RDMA persist PRC that enables remote data persistence for fast log shipping with minimal round-trip and persistence overhead. FaHA further designs append-only storage with pipeline batching scheme in NVM and a hotness-aware differential hash index in DRAM to relieve read/write amplification of Optane DCPMM. Evaluations show that FaHA supports up to 2–3 synchronous backups without significantly lowering the primary’s performance, and outperforms existing works.
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Qi, X., Hu, H., Guo, J. et al. High-availability in-memory key-value store using RDMA and Optane DCPMM. Front. Comput. Sci. 17, 171603 (2023). https://doi.org/10.1007/s11704-022-1123-8
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DOI: https://doi.org/10.1007/s11704-022-1123-8