Characterizing storage workloads with counter stacks
J Wires, S Ingram, Z Drudi, NJA Harvey… - 11th USENIX Symposium …, 2014 - usenix.org
Existing techniques for identifying working set sizes based on miss ratio curves (MRCs)
have large memory overheads which make them impractical for storage workloads. We …
have large memory overheads which make them impractical for storage workloads. We …
End-to-end I/O monitoring on leading supercomputers
This paper offers a solution to overcome the complexities of production system I/O
performance monitoring. We present Beacon, an end-to-end I/O resource monitoring and …
performance monitoring. We present Beacon, an end-to-end I/O resource monitoring and …
Automatic {Identification} of Application {I/O} Signatures from Noisy {Server-Side} Traces
Y Liu, R Gunasekaran, X Ma… - 12th USENIX Conference …, 2014 - usenix.org
Competing workloads on a shared storage system cause I/O resource contention and
application performance vagaries. This problem is already evident in today's HPC storage …
application performance vagaries. This problem is already evident in today's HPC storage …
VSSIM: Virtual machine based SSD simulator
In this paper, we present a virtual machine based SSD Simulator, VSSIM (Virtual SSD
Simulator). VSSIM intends to address the issues of the trace driven simulation, eg trace re …
Simulator). VSSIM intends to address the issues of the trace driven simulation, eg trace re …
Server-side log data analytics for I/O workload characterization and coordination on large shared storage systems
Y Liu, R Gunasekaran, X Ma… - SC'16: Proceedings of …, 2016 - ieeexplore.ieee.org
Inter-application I/O contention and performance interference have been recognized as
severe problems. In this work, we demonstrate, through measurement from Titan (world's …
severe problems. In this work, we demonstrate, through measurement from Titan (world's …
Reducing garbage collection overhead in {SSD} based on workload prediction
P Yang, N Xue, Y Zhang, Y Zhou, L Sun… - 11th USENIX Workshop …, 2019 - usenix.org
In solid-state drives (SSDs), garbage collection (GC) plays a key role in making free NAND
blocks for newly coming data. The data copied from one block to another by GC affects both …
blocks for newly coming data. The data copied from one block to another by GC affects both …
Virtual Machine Workloads: The Case for New {NAS} Benchmarks
Abstract Network Attached Storage (NAS) and Virtual Machines (VMs) are widely used in
data centers thanks to their manageability, scalability, and ability to consolidate resources …
data centers thanks to their manageability, scalability, and ability to consolidate resources …
Understanding (un) written contracts of nvme zns devices with zns-tools
N Tehrany, K Doekemeijer, A Trivedi - arXiv preprint arXiv:2307.11860, 2023 - arxiv.org
Operational and performance characteristics of flash SSDs have long been associated with
a set of Unwritten Contracts due to their hidden, complex internals and lack of control from …
a set of Unwritten Contracts due to their hidden, complex internals and lack of control from …
Re-animator: Versatile high-fidelity storage-system tracing and replaying
Modern applications use storage systems in complex and often surprising ways. Tracing
system calls is a common approach to understanding applications' behavior, allowing offline …
system calls is a common approach to understanding applications' behavior, allowing offline …
On the Accuracy and Scalability of Intensive {I/O} Workload Replay
A Haghdoost, W He, J Fredin, DHC Du - 15th USENIX Conference on …, 2017 - usenix.org
We introduce a replay tool that can be used to replay captured I/O workloads for
performance evaluation of high-performance storage systems. We study several sources in …
performance evaluation of high-performance storage systems. We study several sources in …