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SUMMARY:Scalability\, Fairness\, and Availability in Modern Storage System
 s: Challenges\, Solutions\, and Outlook
DTSTART:20181012T110000
DTEND:20181012T120000
DTSTAMP:20260407T210846Z
UID:3cd53978291f88c490894d88b91c92e6fcba03cbe7a0483a9e45e36c
CATEGORIES:Conferences - Seminars
DESCRIPTION:Arash Tavakkol\, Senior Software Engineer at RepRisk\, Zurich 
 \nThe storage subsystem is a fundamental performance bottleneck in running
  data-intensive enterprise and cloud applications. Recent system design\, 
 application\, and technology trends that require more storage capacity\, I
 /O bandwidth\, performance predictability\, and data availability out of t
 he storage subsystem make it an even more important system bottleneck. At 
 the same time\, non-volatile memories (NVMs)\, as the basic building block
 s of the modern high-performance storage devices\, are experiencing seriou
 s technology scaling challenges that make the maintenance and enhancement 
 of their performance and capacity significantly costly with conventional d
 esign techniques. \n\nIn this talk\, we first discuss major challenges fa
 cing modern storage systems in the presence of increasing demand for lower
  data access time and higher storage capacity. We then discuss our propose
 d solutions to alleviate these challenges. We will touch on several key to
 pics: 1) scalability challenges of modern flash-based storage systems and 
 our novel solution to address these challenges\, 2) how to accurately mode
 l the new sophisticated features of modern SSDs such as the NVMe host inte
 rface protocols\, 3) unfairness and quality-of-service issues of modern of
 f-the-shelf Solid-State Drives (SSDs) in shared environments\, 4) enabling
  fair and high-performance I/O request scheduling in modern NVMe SSDs\, 5)
  fault-tolerance and data availability challenges of modern NVM-based main
  memories\, 6) enabling high-availability for NVM-based main memories via 
 two novel efficient data replication techniques.\n 
LOCATION:BC 420 https://plan.epfl.ch/?room==BC%20420
STATUS:CONFIRMED
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