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Viper: An Efficient Hybrid PMem-DRAM Key-Value Store

Summary: Viper is a hybrid PMem-DRAM KVS optimized for PMem-aware access patterns. A DRAM-based hash index and PMem-aware layout exploit DRAM random writes and PMem sequential writes, delivering 4–18x write speedups with full persistence and competitive gets. (summarized by gpt-5-nano on Feb 09 2026)

Paper ID
12343
Venue
VLDB
Year
2021
Pagerank
7.6491863e-05
Overall Rank
3,050 | 78.81%
DOI
10.14778/3461535.3461543

Incoming Non-self Citations Over Time

Authors

Incoming Citations (Sorted by Pagerank)

Showing 20 of 20 citing papers.

Rank Citing Paper Year Venue Pagerank
4,523 ScaleStore: A Fast and Cost-Efficient Storage Engine using DRAM, NVMe, and RDMA 2022 SIGMOD 6.1102901e-05
4,579 Virtual-Memory Assisted Buffer Management 2023 SIGMOD 6.0651118e-05
6,536 Plush: A Write-Optimized Persistent Log-Structured Hash-Table 2022 VLDB 5.0182211e-05
6,674 Halo: A Hybrid PMem-DRAM Persistent Hash Index with Fast Recovery 2022 SIGMOD 4.9619472e-05
6,997 PetPS: Supporting Huge Embedding Models with Persistent Memory 2023 VLDB 4.8629617e-05
7,040 NVM: Is it Not Very Meaningful for Databases? 2023 VLDB 4.8493186e-05
7,232 Catalyst: Optimizing Cache Management for Large In-memory Key-value Systems 2023 VLDB 4.7891237e-05
7,631 Evaluating Persistent Memory Range Indexes: Part Two 2022 VLDB 4.6878629e-05
8,215 Pea Hash: A Performant Extendible Adaptive Hashing Index 2023 SIGMOD 4.5522624e-05
8,804 ArceKV: Towards Workload-driven LSM-compactions for Key-Value Store Under Dynamic Workloads 2026 VLDB 4.4424232e-05
9,069 Structural Designs Meet Optimality: Exploring Optimized LSM-tree Structures in A Colossal Configuration Space 2024 SIGMOD 4.3983078e-05
9,100 PerMA-Bench: Benchmarking Persistent Memory Access 2022 VLDB 4.3916327e-05
9,232 H-Rocks: CPU-GPU accelerated Heterogeneous RocksDB on Persistent Memory 2025 SIGMOD 4.3648789e-05
9,370 FluidKV: Seamlessly Bridging the Gap between Indexing Performance and Memory-Footprint on Ultra-Fast Storage 2024 VLDB 4.3461752e-05
9,371 BonsaiKV: Towards Fast, Scalable, and Persistent Key-Value Stores with Tiered, Heterogeneous Memory System 2024 VLDB 4.3461752e-05
9,925 Darwin: Scale-In Stream Processing 2022 CIDR 4.2503199e-05
10,048 Analysis and Evaluation of Using Microsecond-Latency Memory for In-Memory Indices and Caches in SSD-Based Key-Value Stores 2026 SIGMOD 4.1905499e-05
10,381 Boosting OLTP Performance with Per-Page Logging on NVDIMM 2025 SIGMOD 4.1905499e-05
11,078 LavaStore: ByteDance's Purpose-built, High-performance, Cost-effective Local Storage Engine for Cloud Services 2024 VLDB 4.1905499e-05
11,154 Data Pipes: Declarative Control over Data Movement 2023 CIDR 4.1905499e-05
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Outgoing Citations (Sorted by Pagerank)

Showing 12 of 12 cited papers.

Citations counted here include only citations to other VLDB/SIGMOD/CIDR/PODS papers in this database.

Rank Cited Paper Year Venue Pagerank
167 The Snowflake Elastic Data Warehouse 2016 SIGMOD 0.00039408116
643 FPTree: A Hybrid SCM-DRAM Persistent and Concurrent B-Tree for Storage Class Memory 2016 SIGMOD 0.00018733394
892 Faster: A Concurrent Key-Value Store with In-Place Updates 2018 SIGMOD 0.00015522869
940 Let’s Talk About Storage & Recovery Methods for Non-Volatile Memory Database Systems 2015 SIGMOD 0.00015149366
1,649 Managing Non-Volatile Memory in Database Systems 2018 SIGMOD 0.00011006201
1,823 Dash: Scalable Hashing on Persistent Memory 2020 VLDB 0.00010403355
2,508 LB+-Trees: Optimizing Persistent Index Performance on 3DXPoint Memory 2020 VLDB 8.6251065e-05
2,986 DPTree: Differential Indexing for Persistent Memory 2020 VLDB 7.7757727e-05
3,341 Evaluating Persistent Memory Range Indexes 2020 VLDB 7.1984492e-05
4,269 Maximizing Persistent Memory Bandwidth Utilization for OLAP Workloads 2021 SIGMOD 6.2950779e-05
4,900 Persistent Memory Hash Indexes: An Experimental Evaluation 2021 VLDB 5.8418066e-05
5,433 Enabling Low Tail Latency on Multicore Key-Value Stores 2020 VLDB 5.5086304e-05
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10,191 PartitionKV: Redesigning LSM-tree KV Stores on NVMs with Adaptive Partitioning for Reducing Write Stalls and Amplification 2026 SIGMOD 4.1905499e-05
809 Persistent B+-Trees in Non-Volatile Main Memory 2015 VLDB 0.00016409797
1,147 FlashStore: High Throughput Persistent Key-Value Store 2010 VLDB 0.00013660843
10,048 Analysis and Evaluation of Using Microsecond-Latency Memory for In-Memory Indices and Caches in SSD-Based Key-Value Stores 2026 SIGMOD 4.1905499e-05
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9,371 BonsaiKV: Towards Fast, Scalable, and Persistent Key-Value Stores with Tiered, Heterogeneous Memory System 2024 VLDB 4.3461752e-05
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