Optimistic Concurrency Control by Melding Trees
Summary: Meld: an optimistic concurrency control for tree-structured data; transactions log updates and are evaluated against a cached partial-copy of the last committed state in log order. On commit, updates merge into that state; enables Hyder to scale without partitioning, delivering up to 400k updates/s for 2-op txs and 130k for 8-op txs. (summarized by gpt-5-nano on Feb 09 2026)
Incoming Non-self Citations Over Time
Authors
- 1. Philip A. Bernstein (Microsoft)
- 2. Colin W. Reid (Microsoft)
- 3. Ming Wu (Microsoft)
- 4. Xinhao Yuan (Tsinghua University)
BibTeX Citation
@article{bernstein_vldb11,
title = {{Optimistic Concurrency Control by Melding Trees}},
author = {Bernstein, Philip A. and Reid, Colin W. and Wu, Ming and Yuan, Xinhao},
journal = {PVLDB},
series = {{VLDB} '11},
volume = {4},
number = {11},
pages = {944--955},
doi = {10.14778/3402707.3402732},
url = {https://doi.org/10.14778/3402707.3402732},
year = {2011}
}Incoming Citations (Sorted by Pagerank)
Showing 8 of 8 citing papers.
| Rank | Citing Paper | Year | Venue | Pagerank |
|---|---|---|---|---|
| 233 | Fast Serializable Multi-Version Concurrency Control for Main-Memory Database Systems | 2015 | SIGMOD | 0.00023815642 |
| 379 | Hyder - A Transactional Record Manager for Shared Flash | 2011 | CIDR | 0.00019611067 |
| 1,334 | Improving Optimistic Concurrency Control Through Transaction Batching and Operation Reordering | 2019 | VLDB | 0.00011123567 |
| 2,906 | Optimizing Optimistic Concurrency Control for Tree-Structured, Log-Structured Databases | 2015 | SIGMOD | 7.9741374e-05 |
| 3,088 | Query Fresh: Log Shipping on Steroids | 2018 | VLDB | 7.7694381e-05 |
| 3,985 | Transaction Healing: Scaling Optimistic Concurrency Control on Multicores | 2016 | SIGMOD | 6.9738485e-05 |
| 6,867 | Caerus: Low-Latency Distributed Transactions for Geo-Replicated Systems | 2024 | VLDB | 5.7506468e-05 |
| 9,287 | Executing Long-Running Transactions in Synchronization-Free Main Memory Database Systems | 2013 | CIDR | 5.2913314e-05 |
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Outgoing Citations (Sorted by Pagerank)
Showing 6 of 6 cited papers.
Citations counted here include only citations to other VLDB/SIGMOD/CIDR/PODS papers in this database.
| Rank | Cited Paper | Year | Venue | Pagerank |
|---|---|---|---|---|
| 379 | Hyder - A Transactional Record Manager for Shared Flash | 2011 | CIDR | 0.00019611067 |
| 488 | Design of Flash-Based DBMS: An In-Page Logging Approach | 2007 | SIGMOD | 0.00017615543 |
| 1,731 | Write-Optimized B-Trees | 2004 | VLDB | 9.9081882e-05 |
| 2,001 | A Practical Scalable Distributed B-Tree | 2008 | VLDB | 9.3326014e-05 |
| 2,040 | Efficient Optimistic Concurrency Control Using Loosely Synchronized Clocks | 1995 | SIGMOD | 9.2704638e-05 |
| 7,737 | Contest of XML Lock Protocols | 2006 | VLDB | 5.5558475e-05 |
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| # | Overall Rank | Paper | Year | Venue |
|---|---|---|---|---|
| 1 | 6,291 | Adaptive Optimistic Concurrency Control for Heterogeneous Workloads | 2019 | VLDB |
| 2 | 9,287 | Executing Long-Running Transactions in Synchronization-Free Main Memory Database Systems | 2013 | CIDR |
| 3 | 7,184 | Memory-Optimized Multi-Version Concurrency Control for Disk-Based Database Systems | 2022 | VLDB |
| 4 | 6,099 | Transaction Repair for Multi-Version Concurrency Control | 2017 | SIGMOD |
| 5 | 3,013 | Opportunities for Optimism in Contended Main-Memory Multicore Transactions | 2020 | VLDB |
| 6 | 2,040 | Efficient Optimistic Concurrency Control Using Loosely Synchronized Clocks | 1995 | SIGMOD |
| 7 | 3,985 | Transaction Healing: Scaling Optimistic Concurrency Control on Multicores | 2016 | SIGMOD |
| 8 | 379 | Hyder - A Transactional Record Manager for Shared Flash | 2011 | CIDR |
| 9 | 172 | High-Performance Concurrency Control Mechanisms for Main-Memory Databases | 2012 | VLDB |
| 10 | 2,906 | Optimizing Optimistic Concurrency Control for Tree-Structured, Log-Structured Databases | 2015 | SIGMOD |