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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
11545
Venue
VLDB
Year
2017
Pagerank
0.00010901611
Overall Rank
1,692 | 88.24%
DOI
-

Incoming Non-self Citations Over Time

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Incoming Citations (Sorted by Pagerank)

Showing 40 of 40 citing papers.

Rank Citing Paper Year Venue Pagerank
1,069 Cicada: Dependably Fast Multi-Core In-Memory Transactions 2017 SIGMOD 0.00014319266
1,240 Blurring the Lines between Blockchains and Database Systems: the Case of Hyperledger Fabric 2019 SIGMOD 0.00013100297
1,521 High Performance Transactions via Early Write Visibility 2017 VLDB 0.00011532045
1,819 The End of a Myth: Distributed Transactions Can Scale 2017 VLDB 0.00010429773
1,845 Improving Optimistic Concurrency Control Through Transaction Batching and Operation Reordering 2019 VLDB 0.00010338323
2,369 Aria: A Fast and Practical Deterministic OLTP Database 2020 VLDB 8.9490403e-05
2,532 A Transactional Perspective on Execute-order-validate Blockchains 2020 SIGMOD 8.5900158e-05
3,470 Evaluating Persistent Memory Range Indexes 2020 VLDB 7.0655357e-05
3,586 Handling Highly Contended OLTP Workloads Using Fast Dynamic Partitioning 2020 SIGMOD 6.9435005e-05
3,788 Opportunities for Optimism in Contended Main-Memory Multicore Transactions 2020 VLDB 6.7656267e-05
4,454 Analyzing the Impact of System Architecture on the Scalability of OLTP Engines for High-Contention Workloads 2018 VLDB 6.1715229e-05
4,498 GaccO - A GPU-accelerated OLTP DBMS 2022 SIGMOD 6.138538e-05
4,721 Releasing Locks As Early As You Can: Reducing Contention of Hotspots by Violating Two-Phase Locking 2021 SIGMOD 5.9729623e-05
4,727 STAR: Scaling Transactions through Asymmetric Replication 2019 VLDB 5.9690763e-05
4,998 Latch-free Synchronization in Database Systems: Silver Bullet or Fool's Gold? 2017 CIDR 5.7757413e-05
5,112 Accelerating Analytical Processing in MVCC using Fine-Granular High-Frequency Virtual Snapshotting 2018 SIGMOD 5.6876077e-05
5,227 Adaptive Concurrency Control: Despite the Looking Glass, One Concurrency Control Does Not Fit All 2017 CIDR 5.6180363e-05
5,490 The Case for Distributed Shared-Memory Databases with RDMA-Enabled Memory Disaggregation 2023 VLDB 5.4778129e-05
6,317 Chiller: Contention-centric Transaction Execution and Data Partitioning for Modern Networks 2020 SIGMOD 5.1140356e-05
6,332 Long-lived Transactions Made Less Harmful 2020 SIGMOD 5.1070098e-05
6,550 C5: Cloned Concurrency Control that Always Keeps Up 2023 VLDB 5.0172008e-05
6,558 Plor: General Transactions with Predictable, Low Tail Latency 2022 SIGMOD 5.0115359e-05
6,585 Adaptive Optimistic Concurrency Control for Heterogeneous Workloads 2019 VLDB 5.0024028e-05
6,634 Fine-Grained Re-Execution for Efficient Batched Commit of Distributed Transactions 2023 VLDB 4.982784e-05
6,857 When Private Blockchain Meets Deterministic Database 2023 SIGMOD 4.906043e-05
7,080 Zen: a High-Throughput Log-Free OLTP Engine for Non-Volatile Main Memory 2021 VLDB 4.8417653e-05
7,352 Janus: Transactional Processing of Navigational and Analytical Graph Queries on Many-core Servers 2017 CIDR 4.753996e-05
7,580 Polaris: Enabling Transaction Priority in Optimistic Concurrency Control 2023 SIGMOD 4.7058993e-05
7,896 An Analysis of Concurrency Control Protocols for In-Memory Databases with CCBench 2020 VLDB 4.623192e-05
8,624 A Study of Database Performance Sensitivity to Experiment Settings 2022 VLDB 4.483049e-05
8,806 Online Schema Evolution is (Almost) Free for Snapshot Databases 2023 VLDB 4.446517e-05
9,454 OptiQL: Robust Optimistic Locking for Memory-Optimized Indexes 2023 SIGMOD 4.3391522e-05
9,554 Bonspiel: Low Tail Latency Transactions in Geo-Distributed Databases 2025 VLDB 4.3254416e-05
10,056 Brook-2PL: Tolerating High Contention Workloads with A Deadlock-Free Two-Phase Locking Protocol 2026 SIGMOD 4.1945683e-05
10,192 Performant Synchronization in Geo-Distributed Databases 2026 SIGMOD 4.1945683e-05
10,550 A Hybrid Approach to Integrating Deterministic and Non-deterministic Concurrency Control in Database Systems 2025 VLDB 4.1945683e-05
10,583 Tabular: Efficiently Building Efficient Indexes 2025 VLDB 4.1945683e-05
10,606 Oze: Decentralized Graph-based Concurrency Control for Long-running Update Transactions 2025 VLDB 4.1945683e-05
10,660 Rebirth-Retire: A Concurrency Control Protocol Adaptable to Different Levels of Contention 2025 VLDB 4.1945683e-05
11,776 The Next 700 Transaction Processing Engines 2017 SIGMOD 4.1945683e-05
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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
23 A Critique of ANSI SQL Isolation Levels 1995 SIGMOD 0.00083894938
37 Distributed GraphLab: A Framework for Machine Learning and Data Mining in the Cloud 2012 VLDB 0.0007522744
87 Hekaton: SQL Server’s Memory-Optimized OLTP Engine 2013 SIGMOD 0.00052389723
174 ARIES/KVL: A Key-Value Locking Method for Concurrency Control of Multiaction Transactions Operating on B-Tree Indexes 1990 VLDB 0.00038347904
209 Schism: a Workload-Driven Approach to Database Replication and Partitioning 2010 VLDB 0.00034468292
349 Serializable Isolation for Snapshot Databases 2008 SIGMOD 0.00026440605
635 Staring into the Abyss: An Evaluation of Concurrency Control with One Thousand Cores 2015 VLDB 0.00018879031
763 FOEDUS: OLTP Engine for a Thousand Cores and NVRAM 2015 SIGMOD 0.00017025851
1,036 ERMIA: Fast Memory-Optimized Database System for Heterogeneous Workloads 2016 SIGMOD 0.0001452166
1,217 Rethinking serializable multiversion concurrency control 2015 VLDB 0.0001323177
1,373 Aether: A Scalable Approach to Logging 2010 VLDB 0.00012309902
1,457 High Performance Transactions in Deuteronomy 2015 CIDR 0.00011897016
1,485 Improving OLTP Scalability using Speculative Lock Inheritance 2009 VLDB 0.00011706232
1,505 Key Range Locking Strategies for Improved Concurrency 1993 VLDB 0.00011627322
1,832 Lightweight Locking for Main Memory Database Systems 2013 VLDB 0.00010380187
1,961 TicToc: Time Traveling Optimistic Concurrency Control 2016 SIGMOD 9.9514005e-05
2,926 Design Principles for Scaling Multi-core OLTP Under High Contention 2016 SIGMOD 7.884983e-05
3,421 An Evaluation of the Advantages and Disadvantages of Deterministic Database Systems 2014 VLDB 7.1139504e-05
3,826 To Lock, Swap, or Elide: On the Interplay of Hardware Transactional Memory and Lock-Free Indexing 2015 VLDB 6.7250243e-05
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