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Online inference is becoming a key service product for many businesses, deployed in cloud platforms to meet customer demands. Despite their revenue-generation capability, these services need to operate under tight Quality-of-Service (QoS)…

分布式、并行与集群计算 · 计算机科学 2023-05-04 Baolin Li , Siddharth Samsi , Vijay Gadepally , Devesh Tiwari

Many important societal problems are naturally modeled as algorithms over temporal graphs. To date, however, most graph processing systems remain inefficient as they rely on distributed processing even for graphs that fit well within a…

数据库 · 计算机科学 2024-01-08 Joana M. F. da Trindade , Julian Shun , Samuel Madden , Nesime Tatbul

This paper introduces the concept of size-aware sharding to improve tail latencies for in-memory key-value stores, and describes its implementation in the Minos key-value store. Tail latencies are crucial in distributed applications with…

数据库 · 计算机科学 2018-02-05 Diego Didona , Willy Zwaenepoel

Sharding enhances blockchain scalability by dividing the network into shards, each managing specific unspent transaction outputs or accounts. As an introduced new transaction type, cross-shard transactions pose a critical challenge to the…

密码学与安全 · 计算机科学 2024-09-13 Yizhong Liu , Andi Liu , Yuan Lu , Zhuocheng Pan , Yinuo Li , Jianwei Liu , Song Bian , Mauro Conti

The scalability problem has been one of the most significant barriers limiting the adoption of blockchains. Blockchain sharding is a promising approach to this problem. However, the sharding mechanism introduces a significant number of…

数据库 · 计算机科学 2022-12-23 Yuanzhe Zhang , Shirui Pan , Jiangshan Yu

In production environments, large language model (LLM) serving is required to meet stringent service-level objectives (SLOs) amid highly variable request patterns. In practice, request lengths follow a long-tail distribution, which gives…

分布式、并行与集群计算 · 计算机科学 2026-05-26 Qipeng Wang

We present SSS, a scalable transactional key-value store deploying a novel distributed concurrency control that provides external consistency for all transactions, never aborts read-only transactions due to concurrency, all without…

分布式、并行与集群计算 · 计算机科学 2019-01-15 Masoomeh Javidi Kishi , Sebastiano Peluso , Hank Korth , Roberto Palmieri

Sharding is a promising technique for addressing the scalability issues of blockchain, and this technique is especially important for IoT, edge, or mobile computing. It divides the $n$ participating nodes into $s$ disjoint groups called…

分布式、并行与集群计算 · 计算机科学 2025-01-20 Ramesh Adhikari , Costas Busch , Miroslav Popovic

Systems for processing big data---e.g., Hadoop, Spark, and massively parallel databases---need to run workloads on behalf of multiple tenants simultaneously. The abundant disk-based storage in these systems is usually complemented by a…

分布式、并行与集群计算 · 计算机科学 2019-02-12 Mayuresh Kunjir , Brandon Fain , Kamesh Munagala , Shivnath Babu

As the foundation of the Web3 trust system, blockchain technology faces increasing demands for scalability. Sharding emerges as a promising solution, but it struggles to handle highly concurrent cross-shard transactions (\textsf{CSTx}s),…

分布式、并行与集群计算 · 计算机科学 2025-04-09 Lingxiao Yang , Xuewen Dong , Zhiguo Wan , Di Lu , Yushu Zhang , Yulong Shen

Sharding is used to address the performance and scalability issues of the blockchain protocols, which divides the overall transaction processing costs among multiple clusters of nodes. Shards require less storage capacity and communication…

分布式、并行与集群计算 · 计算机科学 2023-03-31 Ramesh Adhikari , Costas Busch

Millions of sensors, mobile applications and machines now generate billions of events. Specialized many-core key-value stores (KVSs) can ingest and index these events at high rates (over 100 Mops/s on one machine) if events are generated on…

分布式、并行与集群计算 · 计算机科学 2021-04-29 Chinmay Kulkarni , Badrish Chandramouli , Ryan Stutsman

Cache coherence scalability is a big challenge in shared memory systems. Traditional protocols do not scale due to the storage and traffic overhead of cache invalidation. Tardis, a recently proposed coherence protocol, removes cache…

硬件体系结构 · 计算机科学 2016-07-28 Xiangyao Yu , Hongzhe Liu , Ethan Zou , Srinivas Devadas

Sharding is used to improve the scalability and performance of blockchain systems. We investigate the stability of blockchain sharding, where transactions are continuously generated by an adversarial model. The system consists of $n$…

分布式、并行与集群计算 · 计算机科学 2024-04-23 Ramesh Adhikari , Costas Busch , Dariusz R. Kowalski

Blockchain performance has historically faced challenges posed by the throughput limitations of consensus algorithms. Recent breakthroughs in research have successfully alleviated these constraints by introducing a modular architecture that…

分布式、并行与集群计算 · 计算机科学 2026-05-19 Ray Neiheiser , Arman Babaei , Giannis Alexopoulos , Marios Kogias , Eleftherios Kokoris Kogias

Multi-agent applications utilize the advanced capabilities of large language models (LLMs) for intricate task completion through agent collaboration in a workflow. Under this situation, requests from different agents usually access the same…

分布式、并行与集群计算 · 计算机科学 2025-08-12 Jinyuan Chen , Jiuchen Shi , Quan Chen , Minyi Guo

Existing blockchain systems scale poorly because of their distributed consensus protocols. Current attempts at improving blockchain scalability are limited to cryptocurrency. Scaling blockchain systems under general workloads (i.e.,…

分布式、并行与集群计算 · 计算机科学 2019-03-13 Hung Dang , Tien Tuan Anh Dinh , Dumitrel Loghin , Ee-Chien Chang , Qian Lin , Beng Chin Ooi

In this paper, we present a pricing mechanism that aligns incentives of agents who exchange resources on a decentralized ledger with the goal of maximizing transaction throughput. Subdividing a blockchain ledger into shards promises to…

系统与控制 · 电气工程与系统科学 2020-09-02 James R. Riehl , Jonathan Ward

A major challenge in blockchain sharding protocols is that more than 95% transactions are cross-shard. Not only those cross-shard transactions degrade the system throughput but also double the confirmation time, and exhaust an already…

密码学与安全 · 计算机科学 2021-10-19 Lan N. Nguyen , Truc Nguyen , Thang N. Dinh , My T. Thai

Although blockchain, the supporting technology of Bitcoin and various cryptocurrencies, has offered a potentially effective framework for numerous applications, it still suffers from the adverse affects of the impossibility triangle.…

密码学与安全 · 计算机科学 2020-11-03 Canran Wang , Netanel Raviv
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