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Dive into the research topics where Andrew Baptist is active.

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Featured researches published by Andrew Baptist.


ACM Transactions on Storage | 2018

Fail-Slow at Scale: Evidence of Hardware Performance Faults in Large Production Systems

Haryadi S. Gunawi; Riza O. Suminto; Russell Sears; Casey Golliher; Swaminathan Sundararaman; Xing Lin; Tim Emami; Weiguang Sheng; Nematollah Bidokhti; Caitie McCaffrey; Deepthi Srinivasan; Biswaranjan Panda; Andrew Baptist; Gary Grider; Parks Fields; Kevin Harms; Robert B. Ross; Andree Jacobson; Robert Ricci; Kirk Webb; Peter Alvaro; H. Birali Runesha; Mingzhe Hao; Huaicheng Li

Fail-slow hardware is an under-studied failure mode. We present a study of 114 reports of fail-slow hardware incidents, collected from large-scale cluster deployments in 14 institutions. We show that all hardware types such as disk, SSD, CPU, memory, and network components can exhibit performance faults. We made several important observations such as faults convert from one form to another, the cascading root causes and impacts can be long, and fail-slow faults can have varying symptoms. From this study, we make suggestions to vendors, operators, and systems designers.


Archive | 2010

Method and apparatus for distributed storage integrity processing

Greg Dhuse; Andrew Baptist; Zachary J. Mark; Jason K. Resch; Ilya Volvovski


Archive | 2009

Object interface to a dispersed data storage network

Andrew Baptist; Srinivas Palthepu; S. Christopher Gladwin; Greg Dhuse; Zachary J. Mark; Vance Thornton; John Quigley


Archive | 2010

Method and apparatus for slice partial rebuilding in a dispersed storage network

Greg Dhuse; Andrew Baptist; Zachary J. Mark; Jason K. Resch; Ilya Volvovski


Archive | 2008

File system adapted for use with a dispersed data storage network

Srinivas Palthepu; Greg Dhuse; Vance Thornton; Andrew Baptist; Jason K. Resch; Ilya Volvovski; John Quigley; Zachary J. Mark; Bart Cilfone; S. Christopher Gladwin


Archive | 2011

Retrieving data from a dispersed storage network in accordance with a retrieval threshold

Greg Dhuse; Ilya Volvovski; Andrew Baptist; Sebastien Vas; Zachary J. Mark


Archive | 2010

Distributed storage network for storing a data object based on storage requirements

Jason K. Resch; Wesley Leggette; S. Christopher Gladwin; Greg Dhuse; Andrew Baptist


Archive | 2010

Data revision synchronization in a dispersed storage network

Jason K. Resch; Zachary J. Mark; Andrew Baptist; Ilya Volvovski


Archive | 2014

POWER CONTROL IN A DISPERSED STORAGE NETWORK

Ilya Volvovski; S. Christopher Gladwin; Gary W. Grube; Timothy W. Markison; Jason K. Resch; Thomas Franklin Shirley; Greg Dhuse; Manish Motwani; Andrew Baptist; Wesley Leggette; Kumar Abhijeet


Archive | 2010

Dispersed storage network virtual address fields

Andrew Baptist; Greg Dhuse

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