Publications de Ricardo Bianchini

Managing Tail Latency in Datacenter-Scale File Systems Under Production Constraints

Willy Zwaenepoel, Ricardo Bianchini, Maria Fernanda Borge Chavez

Distributed file systems often exhibit high tail latencies, especially in large-scale datacenters and in the presence of competing (and possibly higher priority) workloads. This paper introduces techniques for managing tail latencies in these systems, whil ...

ASSOC COMPUTING MACHINERY2019

Accelerating resource allocation in virtualized environments using workload classes and/or workload signatures

Ricardo Bianchini, Dejan Kostic, Nedeljko Vasic, Dejan Novakovic

Systems, methods, and apparatus for managing resources assigned to an application or service. A resource manager maintains a set of workload classes and classifies workloads using workload signatures. In specific embodiments, the resource manager minimizes ...

2013

DeepDive: Transparently Identifying and Managing Performance Interference in Virtualized Environments

Ricardo Bianchini, Dejan Kostic, Nedeljko Vasic, Dejan Novakovic, Stanko Novakovic

2013

DejaVu: Accelerating Resource Allocation in Virtualized Environments

Ricardo Bianchini, Dejan Kostic, Nedeljko Vasic, Dejan Novakovic

Effective resource management of virtualized environments is a challenging task. State-of-the-art management systems either rely on analytical models or evaluate resource allocations by running actual experiments. However, both approaches incur a significa ...

Acm Order Department, P O Box 64145, Baltimore, Md 21264 Usa2012

Striking a New Balance Between Program Instrumentation and Debugging Time

Olivier Crameri, Willy Zwaenepoel, Ricardo Bianchini

Although they are helpful in many cases, state-of-the-art bug reporting systems may impose excessive overhead on users, leak private information, or provide little help to the developer in locating the problem. In this paper, we explore a new approach to b ...

Acm Order Department, P O Box 64145, Baltimore, Md 21264 Usa2011

Sahara: Guiding the Debugging of Failed Software Upgrades

Olivier Crameri, Willy Zwaenepoel, Ricardo Bianchini, Dejan Kostic

2011

Staged Deployment in Mirage, an Integrated Software Upgrade Testing and Distribution System

Olivier Crameri, Willy Zwaenepoel, Ricardo Bianchini, Dejan Kostic, Nikola Knezevic

2007