85 citations · 110 across the 13 of their papers we have counts for
10 papers · 1 filter
Beyond Thread States: Diagnosing Performance Degradation with eBPF and Thread Dynamics
Diogo Landau, Jorge G. Barbosa, Nishant Saurabh
Online Data-Intensive applications face performance degradation from load variability and resource interference. While Thread State Analysis (TSA) based approaches enable identifyi…
Retrofitting Service Dependency Discovery in Distributed Systems
Diogo Landau, Gijs Blanken, Jorge Barbosa +1
Modern distributed systems rely on complex networks of interconnected services, creating direct or indirect dependencies that can propagate faults and cause cascading failures. To…
Collaborative State Machines: A Better Programming Model for the Cloud-Edge-IoT Continuum
Marlon Etheredge, Thomas Fahringer, Felix Erlacher +5
The development of Cloud-Edge-IoT applications requires robust programming models. Existing models often struggle to manage the dynamic and stateful nature of these applications ef…
eBPF-Based Instrumentation for Generalisable Diagnosis of Performance Degradation
Diogo Landau, Jorge Barbosa, Nishant Saurabh
Online Data Intensive applications (e.g. message brokers, ML inference and databases) are core components of the modern internet, providing critical functionalities to connecting s…
Workflows Community Summit 2024: Future Trends and Challenges in Scientific Workflows
Rafael Ferreira da Silva, Deborah Bard, Kyle Chard +108
The Workflows Community Summit gathered 111 participants from 18 countries to discuss emerging trends and challenges in scientific workflows, focusing on six key areas: time-sensit…
Multi-Objective Optimization of Consumer Group Autoscaling in Message Broker Systems
Diogo Landau, Nishant Saurabh, Xavier Andrade +1
Message brokers often mediate communication between data producers and consumers by adding variable-sized messages to ordered distributed queues. Our goal is to determine the numbe…
Workflows Community Summit 2022: A Roadmap Revolution
Rafael Ferreira da Silva, Rosa M. Badia, Venkat Bala +102
Scientific workflows have become integral tools in broad scientific computing use cases. Science discovery is increasingly dependent on workflows to orchestrate large and complex s…
Multilayer Resource-aware Partitioning for Fog Application Placement
Zahra Najafabadi Samani, Nishant Saurabh, Radu Prodan
Fog computing emerged as a crucial platform for the deployment of IoT applications. The complexity of such applications requires methods that handle the resource diversity and netw…
Semantics-aware Virtual Machine Image Management in IaaS Clouds
Nishant Saurabh, Julian Remmers, Dragi Kimovski +2
Infrastructure-as-a-service (IaaS) Clouds concurrently accommodate diverse sets of user requests, requiring an efficient strategy for storing and retrieving virtual machine images…
VM Image Repository and Distribution Models for Federated Clouds: State of the Art, Possible Directions and Open Issues
Nishant Saurabh, Dragi Kimovski, Simon Ostermann +1
The emerging trend of Federated Cloud models enlist virtualization as a significant concept to offer a large scale distributed Infrastructure as a Service collaborative paradigm to…