Mostly-Optimistic Concurrency Control for Highly Contended Dynamic Workloads on a Thousand Cores

Summary: MOCC: mostly-optimistic CC for highly contended workloads on thousands of cores. It uses a cancellable reader-writer spinlock and a serializable protocol enabling acquire/release/reacquire in any order without heavy coordination, avoiding clobbered reads and delivering 8x–23x gains over OCC/pessimistic (17M TPS TPC-C, 110M+ TPS YCSB no-conflict). (summarized by gpt-5-nano on Feb 09 2026)

Paper ID: 11733
Venue: VLDB
Year: 2017
Pagerank: 0.0001200422
Overall Rank: 1,141 | 92.18%
DOI: 10.14778/3015274.3015276

Incoming Non-self Citations Over Time

Authors

1. Tianzheng Wang (University of Toronto)
2. Hideaki Kimura (Hewlett Packard)

BibTeX Citation

@article{wang_vldb17,
        title = {{Mostly-Optimistic Concurrency Control for Highly Contended Dynamic Workloads on a Thousand Cores}},
        author = {Wang, Tianzheng and Kimura, Hideaki},
        journal = {PVLDB},
        series = {{VLDB} '17},
        volume = {10},
        number = {2},
        pages = {49--60},
        doi = {10.14778/3015274.3015276},
        url = {https://doi.org/10.14778/3015274.3015276},
        year = {2017}
}

Incoming Citations (Sorted by Pagerank)

Showing 42 of 42 citing papers.

Rank	Citing Paper	Year	Venue	Pagerank
760	Cicada: Dependably Fast Multi-Core In-Memory Transactions	2017	SIGMOD	0.0001425909
1,020	Blurring the Lines between Blockchains and Database Systems: the Case of Hyperledger Fabric	2019	SIGMOD	0.00012616838
1,063	High Performance Transactions via Early Write Visibility	2017	VLDB	0.00012343623
1,334	Improving Optimistic Concurrency Control Through Transaction Batching and Operation Reordering	2019	VLDB	0.00011123567
1,345	The End of a Myth: Distributed Transactions Can Scale	2017	VLDB	0.00011090483
1,700	Aria: A Fast and Practical Deterministic OLTP Database	2020	VLDB	9.9726588e-05
2,098	A Transactional Perspective on Execute-order-validate Blockchains	2020	SIGMOD	9.1706238e-05
2,707	Evaluating Persistent Memory Range Indexes	2020	VLDB	8.2279594e-05
2,998	Handling Highly Contended OLTP Workloads Using Fast Dynamic Partitioning	2020	SIGMOD	7.8727047e-05
3,013	Opportunities for Optimism in Contended Main-Memory Multicore Transactions	2020	VLDB	7.8518631e-05
3,786	Releasing Locks As Early As You Can: Reducing Contention of Hotspots by Violating Two-Phase Locking	2021	SIGMOD	7.1264581e-05
3,860	Analyzing the Impact of System Architecture on the Scalability of OLTP Engines for High-Contention Workloads	2018	VLDB	7.0670192e-05
3,890	GaccO - A GPU-accelerated OLTP DBMS	2022	SIGMOD	7.0435206e-05
3,967	STAR: Scaling Transactions through Asymmetric Replication	2019	VLDB	6.984665e-05
4,296	Latch-free Synchronization in Database Systems: Silver Bullet or Fool's Gold?	2017	CIDR	6.7773228e-05
4,356	Adaptive Concurrency Control: Despite the Looking Glass, One Concurrency Control Does Not Fit All	2017	CIDR	6.7470661e-05
4,675	Accelerating Analytical Processing in MVCC using Fine-Granular High-Frequency Virtual Snapshotting	2018	SIGMOD	6.5727393e-05
5,109	The Case for Distributed Shared-Memory Databases with RDMA-Enabled Memory Disaggregation	2023	VLDB	6.3615847e-05
5,725	Chiller: Contention-centric Transaction Execution and Data Partitioning for Modern Networks	2020	SIGMOD	6.108451e-05
5,825	Long-lived Transactions Made Less Harmful	2020	SIGMOD	6.0747201e-05
5,900	Fine-Grained Re-Execution for Efficient Batched Commit of Distributed Transactions	2023	VLDB	6.0468661e-05
6,058	Plor: General Transactions with Predictable, Low Tail Latency	2022	SIGMOD	5.9920075e-05
6,291	Adaptive Optimistic Concurrency Control for Heterogeneous Workloads	2019	VLDB	5.9252026e-05
6,402	C5: Cloned Concurrency Control that Always Keeps Up	2023	VLDB	5.8859793e-05
6,476	When Private Blockchain Meets Deterministic Database	2023	SIGMOD	5.8686486e-05
6,859	Zen: a High-Throughput Log-Free OLTP Engine for Non-Volatile Main Memory	2021	VLDB	5.7520461e-05
6,916	Polaris: Enabling Transaction Priority in Optimistic Concurrency Control	2023	SIGMOD	5.7401967e-05
7,302	Janus: Transactional Processing of Navigational and Analytical Graph Queries on Many-core Servers	2017	CIDR	5.6505228e-05
7,765	An Analysis of Concurrency Control Protocols for In-Memory Databases with CCBench	2020	VLDB	5.5499187e-05
8,474	OptiQL: Robust Optimistic Locking for Memory-Optimized Indexes	2023	SIGMOD	5.4172941e-05
8,576	A Study of Database Performance Sensitivity to Experiment Settings	2022	VLDB	5.4095894e-05
8,832	Online Schema Evolution is (Almost) Free for Snapshot Databases	2023	VLDB	5.36029e-05
9,130	A Hybrid Approach to Integrating Deterministic and Non-deterministic Concurrency Control in Database Systems	2025	VLDB	5.318565e-05
9,547	Tabular: Efficiently Building Efficient Indexes	2025	VLDB	5.2528121e-05
9,692	Bonspiel: Low Tail Latency Transactions in Geo-Distributed Databases	2025	VLDB	5.2351259e-05
10,013	Rebirth-Retire: A Concurrency Control Protocol Adaptable to Different Levels of Contention	2025	VLDB	5.1770751e-05
10,033	Modeling Concurrency Control as a Learnable Function	2026	SIGMOD	5.173224e-05
10,348	Brook-2PL: Tolerating High Contention Workloads with A Deadlock-Free Two-Phase Locking Protocol	2026	SIGMOD	5.093636e-05
10,481	Performant Synchronization in Geo-Distributed Databases	2026	SIGMOD	5.093636e-05
10,568	Operation-Aware Hybrid Locking for Modern In-Memory Indexes	2026	VLDB	5.093636e-05
10,864	Oze: Decentralized Graph-based Concurrency Control for Long-running Update Transactions	2025	VLDB	5.093636e-05
11,981	The Next 700 Transaction Processing Engines	2017	SIGMOD	5.093636e-05

Outgoing Citations (Sorted by Pagerank)

Showing 19 of 19 cited papers.

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

Rank	Cited Paper	Year	Venue	Pagerank
19	A Critique of ANSI SQL Isolation Levels	1995	SIGMOD	0.00058720861
20	Distributed GraphLab: A Framework for Machine Learning and Data Mining in the Cloud	2012	VLDB	0.00056944564
38	Hekaton: SQL Server’s Memory-Optimized OLTP Engine	2013	SIGMOD	0.00047648573
126	Schism: a Workload-Driven Approach to Database Replication and Partitioning	2010	VLDB	0.00030779127
214	ARIES/KVL: A Key-Value Locking Method for Concurrency Control of Multiaction Transactions Operating on B-Tree Indexes	1990	VLDB	0.00024680756
245	Serializable Isolation for Snapshot Databases	2008	SIGMOD	0.00023458287
473	Staring into the Abyss: An Evaluation of Concurrency Control with One Thousand Cores	2015	VLDB	0.00017900942
537	FOEDUS: OLTP Engine for a Thousand Cores and NVRAM	2015	SIGMOD	0.00016931517
655	ERMIA: Fast Memory-Optimized Database System for Heterogeneous Workloads	2016	SIGMOD	0.00015263509
755	Rethinking serializable multiversion concurrency control	2015	VLDB	0.00014326008
1,014	Aether: A Scalable Approach to Logging	2010	VLDB	0.00012650747
1,089	High Performance Transactions in Deuteronomy	2015	CIDR	0.00012242396
1,282	Improving OLTP Scalability using Speculative Lock Inheritance	2009	VLDB	0.00011338762
1,325	TicToc: Time Traveling Optimistic Concurrency Control	2016	SIGMOD	0.00011147309
1,420	Lightweight Locking for Main Memory Database Systems	2013	VLDB	0.00010829638
1,501	Key Range Locking Strategies for Improved Concurrency	1993	VLDB	0.00010559899
2,234	Design Principles for Scaling Multi-core OLTP Under High Contention	2016	SIGMOD	8.8937932e-05
2,765	An Evaluation of the Advantages and Disadvantages of Deterministic Database Systems	2014	VLDB	8.1530951e-05
3,256	To Lock, Swap, or Elide: On the Interplay of Hardware Transactional Memory and Lock-Free Indexing	2015	VLDB	7.591263e-05

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