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Swan: Hybrid MVCC Management for Efficient Transaction Processing in LSM-Tree-Based Key-Value Stores

Summary: Swan hybridizes in-memory and out-of-memory MVCC, pairing fast visibility checks with low commit latency and memory use for large write transactions. Transaction-aware separation, an uncommitted-data stash, and concurrent memtable flushing adapt MVCC to LSM stores. (summarized by gpt-5.6-luna on Aug 17 2026)

Paper ID
h1f4737335cd60d9e
Venue
VLDB
Year
2026
Pagerank
4.9769913e-05
Overall Rank
10,773 | 27.60%
DOI
10.14778/3819518.3819528
PDF
Download (CC BY-NC-ND 4.0)

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Authors

BibTeX Citation

@article{guo_vldb26,
        title = {{Swan: Hybrid MVCC Management for Efficient Transaction Processing in LSM-Tree-Based Key-Value Stores}},
        author = {Guo, Yang and Xue, Jin and Shao, Zili},
        journal = {PVLDB},
        series = {{VLDB} '26},
        volume = {19},
        number = {9},
        pages = {1977--1990},
        doi = {10.14778/3819518.3819528},
        url = {https://doi.org/10.14778/3819518.3819528},
        year = {2026}
}

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Outgoing Citations (Sorted by Pagerank)

Showing 31 of 31 cited papers.

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

Rank Cited Paper Year Venue Pagerank
35 Hekaton: SQL Server’s Memory-Optimized OLTP Engine 2013 SIGMOD 0.00047996489
170 High-Performance Concurrency Control Mechanisms for Main-Memory Databases 2012 VLDB 0.00027054001
228 Fast Serializable Multi-Version Concurrency Control for Main-Memory Database Systems 2015 SIGMOD 0.00023915456
234 TiDB: A Raft-based HTAP Database 2020 VLDB 0.00023756332
373 Umbra: A Disk-Based System with In-Memory Performance 2020 CIDR 0.00019705706
444 Staring into the Abyss: An Evaluation of Concurrency Control with One Thousand Cores 2015 VLDB 0.0001817002
546 Faster: A Concurrent Key-Value Store with In-Place Updates 2018 SIGMOD 0.00016584272
635 ERMIA: Fast Memory-Optimized Database System for Heterogeneous Workloads 2016 SIGMOD 0.00015362118
727 Serializable Snapshot Isolation in PostgreSQL 2012 VLDB 0.00014456009
747 Spanner: Becoming a SQL System 2017 SIGMOD 0.00014279621
756 Rethinking serializable multiversion concurrency control 2015 VLDB 0.00014208768
861 An Empirical Evaluation of In-Memory Multi-Version Concurrency Control 2017 VLDB 0.00013401147
1,147 MyRocks: LSM-Tree Database Storage Engine Serving Facebook's Social Graph 2020 VLDB 0.00011810023
1,335 TicToc: Time Traveling Optimistic Concurrency Control 2016 SIGMOD 0.00010991964
2,052 Efficient and Flexible Methods for Transient Versioning of Records to Avoid Locking by Read-Only Transactions 1992 SIGMOD 9.1169073e-05
2,090 FoundationDB: A Distributed Unbundled Transactional Key Value Store 2021 SIGMOD 9.0619382e-05
2,630 Hybrid Garbage Collection for Multi-Version Concurrency Control in SAP HANA 2016 SIGMOD 8.2008903e-05
2,771 Constructing and Analyzing the LSM Compaction Design Space 2021 VLDB 8.0338932e-05
4,764 TAOBench: An End-to-End Benchmark for Social Network Workloads 2022 VLDB 6.4267505e-05
5,221 LeanStore: A High-Performance Storage Engine for NVMe SSDs 2024 VLDB 6.2207378e-05
5,413 Lifetime-Based Memory Management for Distributed Data Processing Systems 2016 VLDB 6.1386677e-05
5,471 Rethink the Scan in MVCC Databases 2021 SIGMOD 6.1169194e-05
5,699 Long-lived Transactions Made Less Harmful 2020 SIGMOD 6.0291201e-05
6,499 Revisiting the Design of LSM-tree Based OLTP Storage Engine with Persistent Memory 2021 VLDB 5.7629005e-05
6,619 Everything is a Transaction: Unifying Logical Concurrency Control and Physical Data Structure Maintenance in Database Management Systems 2021 CIDR 5.7310081e-05
6,726 Memory-Optimized Multi-Version Concurrency Control for Disk-Based Database Systems 2022 VLDB 5.6953141e-05
7,446 Scalable and Robust Snapshot Isolation for High-Performance Storage Engines 2023 VLDB 5.5227651e-05
9,140 Rethinking The Compaction Policies in LSM-trees 2025 SIGMOD 5.2208299e-05
9,188 One-shot Garbage Collection for In-memory OLTP through Temporality-aware Version Storage 2023 SIGMOD 5.2098993e-05
9,797 TiQuE: Improving the Transactional Performance of Analytical Systems for True Hybrid Workloads 2023 VLDB 5.1235001e-05
10,240 MaLT: A Framework for Managing Large Transactions in OceanBase 2025 SIGMOD 5.0524002e-05
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