Publications associées à Concurrency control

Oligolithic Cross-task Optimizations across Isolated Workloads.

Anastasia Ailamaki, Panagiotis Sioulas, Eleni Zapridou

Enterprises collect data in large volumes and leverage them to drive numerous concurrent decisions and business processes. Their teams deploy multiple applications that often operate concurrently on the same data and infrastructure but have widely differen ...

2024

One-shot Garbage Collection for In-memory OLTP through Temporality-aware Version Storage

Anastasia Ailamaki, Periklis Chrysogelos, Angelos Christos Anadiotis, Syed Mohammad Aunn Raza

Most modern in-memory online transaction processing (OLTP) engines rely on multi-version concurrency control (MVCC) to provide data consistency guarantees in the presence of conflicting data accesses. MVCC improves concurrency by generating a new version o ...

ACM2023

Vision Transformer Adapters for Generalizable Multitask Learning

Sabine Süsstrunk, Mathieu Salzmann, Deblina Bhattacharjee

We introduce the first multitasking vision transformer adapters that learn generalizable task affinities which can be applied to novel tasks and domains. Integrated into an off-the-shelf vision transformer backbone, our adapters can simultaneously solve mu ...

2023

When is it safe to run a transactional workload under Read Committed?

Christoph Koch, Bas Ketsman

The popular isolation level multiversion Read Committed (RC) exchanges some of the strong guarantees of serializability for increased transaction throughput. Nevertheless, transaction workloads can sometimes be executed under RC while still guaranteeing se ...

ASSOC COMPUTING MACHINERY2023

The splay-list: a distribution-adaptive concurrent skip-list

Amirkeivan Mohtashami, Dan Alistarh

The design and implementation of efficient concurrent data structures has seen significant attention. However, most of this work has focused on concurrent data structures providing good worst-case guarantees, although, in real workloads, objects are often ...

SPRINGER2023

Improving K-means Clustering Using Speculation

Anastasia Ailamaki, Viktor Sanca, Eleni Zapridou, Stefan Igescu

K-means is one of the fundamental unsupervised data clustering and machine learning methods. It has been well studied over the years: parallelized, approximated, and optimized for different cases and applications. With increasingly higher parallelism leadi ...

2023

WarpAttack: Bypassing CFI through Compiler-Introduced Double-Fetches

Mathias Josef Payer, Flavio Toffalini, Luca Di Bartolomeo, Jianhao Xu

Code-reuse attacks are dangerous threats that attracted the attention of the security community for years. These attacks aim at corrupting important control-flow transfers for taking control of a process without injecting code. Nowadays, the combinations o ...

IEEE COMPUTER SOC2023

Robustness Against Read Committed: A Free Transactional Lunch

Christoph Koch, Bas Ketsman

Transaction processing is a central part of most database applications. While serializability remains the gold standard for desirable transactional semantics, many database systems offer improved transaction throughput at the expense of introducing potenti ...

ASSOC COMPUTING MACHINERY2022

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Concurrency control

Oligolithic Cross-task Optimizations across Isolated Workloads.

One-shot Garbage Collection for In-memory OLTP through Temporality-aware Version Storage

Vision Transformer Adapters for Generalizable Multitask Learning

When is it safe to run a transactional workload under Read Committed?

The splay-list: a distribution-adaptive concurrent skip-list

Efficient Concurrent Analytical Query Processing using Data and Workload-conscious Sharing

Improving K-means Clustering Using Speculation

WarpAttack: Bypassing CFI through Compiler-Introduced Double-Fetches

Concurrency control for database theorists

Robustness Against Read Committed: A Free Transactional Lunch

Graph Chatbot

Chattez avec Graph Search

Oligolithic Cross-task Optimizations across Isolated Workloads.

The splay-list: a distribution-adaptive concurrent skip-list

Concurrency control for database theorists

One-shot Garbage Collection for In-memory OLTP through Temporality-aware Version Storage

Improving K-means Clustering Using Speculation

Vision Transformer Adapters for Generalizable Multitask Learning

When is it safe to run a transactional workload under Read Committed?

Efficient Concurrent Analytical Query Processing using Data and Workload-conscious Sharing

WarpAttack: Bypassing CFI through Compiler-Introduced Double-Fetches

Robustness Against Read Committed: A Free Transactional Lunch