In distributed systems shared by multiple tenants, effective resource management is an
important pre-requisite to providing quality of service guarantees. Many systems deployed …

Recently, Bronson et al. introduced a framework for understanding a class of failures in
distributed systems called metastable failures. The examples of metastable failures …

We highlight one often-overlooked cause of performance failure: limpware--" limping"
hardware whose performance degrades significantly compared to its specification. We …

Recently, an increasing number of companies have deployed their application services in
the cloud. However, the cloud data center downtime has negative affected the quality of …

Recently, an increasing number of companies have begun to deploy their application
services in the cloud. However, the cloud data centre downtime has negatively affected the …

Providers of computing services such as data science clouds need to maintain large
hardware infrastructures often with thousands of nodes. Using commodity hardware leads to …

With the advent of emerging technologies and the Internet of Things, the importance of
online data analytics has become more pronounced. Businesses and companies are …

With the advent of cloud computing, thousands of machines are connected and managed
collectively. This era is confronted with a new challenge: performance variability, primarily …

Squall is a scalable online query engine that runs complex analytics in a cluster using skew-
resilient, adaptive operators. Online processing implies that results are incrementally built as …

Although providing tremendous access to data and computing power of thousands of
commodity servers, large-scale cloud systems must address a new challenge: they must …