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Documents authored by Seltzer, Margo

Document
DOI: 10.4230/DagRep.14.4.54
Hardware Support for Cloud Database Systems in the Post-Moore’s Law Era (Dagstuhl Seminar 24162)

Authors: David F. Bacon, Carsten Binnig, David Patterson, and Margo Seltzer

Published in: Dagstuhl Reports, Volume 14, Issue 4 (2024)

Abstract
The end of scaling from Moore’s and Dennard’s laws has greatly slowed improvements in CPU speed, RAM capacity, and disk/flash capacity. Meanwhile, cloud database systems, which are the backbone for many large-scale services and applications in the cloud, are continuing to grow exponentially. For example, most of Google’s products that run on the Spanner database have more than a billion users and are continuously growing. Moreover, the growth in data also shows no signs of slowing down, with further orders-of-magnitude increases likely, due to autonomous vehicles, the internet-of-things, and human-driven data creation. Meanwhile, machine learning creates an appetite for data that also needs to be preprocessed using scalable cloud database systems. As a result, cloud database systems are facing a fundamental scalability wall on how to further support this exponential growth given the stagnation in hardware. While database research has a long tradition of investigating how modern hardware can be leveraged to improve overall system performance - which is also shown by the series of past Dagstuhl Seminars - a more holistic view is required to address the imminent exponential scalability challenge that databases will be facing. However, applying hardware accelerators in a database needs a careful design. In fact, so far, no commercial system has applied hardware accelerators at scale. Unlike other hyper-scale applications such as machine learning training and video processing where accelerators such as GPUs and TPUs circumvent this problem, workloads in cloud database systems are typically not compute-bound and thus benefit less or not at all from such existing accelerators. This Dagstuhl Seminar thus aimed to bring together leading researchers and practitioners from database systems, hardware architecture, and storage systems to rethink, from the ground up, how to co-design database systems and compute/storage hardware. By uniting experts across these disciplines, the seminar sought to identify the architectural changes and system designs that could enable the order-of-magnitude improvements required for the next generation of applications.
Cite as

David F. Bacon, Carsten Binnig, David Patterson, and Margo Seltzer. Hardware Support for Cloud Database Systems in the Post-Moore’s Law Era (Dagstuhl Seminar 24162). In Dagstuhl Reports, Volume 14, Issue 4, pp. 54-84, Schloss Dagstuhl – Leibniz-Zentrum für Informatik (2024)

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@Article{bacon_et_al:DagRep.14.4.54,
  author =	{Bacon, David F. and Binnig, Carsten and Patterson, David and Seltzer, Margo},
  title =	{{Hardware Support for Cloud Database Systems in the Post-Moore’s Law Era (Dagstuhl Seminar 24162)}},
  pages =	{54--84},
  journal =	{Dagstuhl Reports},
  ISSN =	{2192-5283},
  year =	{2024},
  volume =	{14},
  number =	{4},
  editor =	{Bacon, David F. and Binnig, Carsten and Patterson, David and Seltzer, Margo},
  publisher =	{Schloss Dagstuhl -- Leibniz-Zentrum f{\"u}r Informatik},
  address =	{Dagstuhl, Germany},
  URL =		{https://drops.dagstuhl.de/entities/document/10.4230/DagRep.14.4.54},
  URN =		{urn:nbn:de:0030-drops-213521},
  doi =		{10.4230/DagRep.14.4.54},
  annote =	{Keywords: Databases, Modern Hardware, Cloud}
}
Document
DOI: 10.4230/DagRep.11.6.38
Data Structures for Modern Memory and Storage Hierarchies (Dagstuhl Seminar 21283)

Authors: Stratos Idreos, Viktor Leis, Kai-Uwe Sattler, and Margo Seltzer

Published in: Dagstuhl Reports, Volume 11, Issue 6 (2021)

Abstract
This report documents the program and the outcomes of Dagstuhl Seminar 21283 "Data Structures for Modern Memory and Storage Hierarchies". For decades, computers consisted of a CPU, volatile main memory, and persistent disk. Today, modern storage technologies such as flash and persistent memory as well as the seemingly inevitable migration into virtualized cloud instances, connected through high-speed networks, have radically changed the hardware landscape. These technologies have major implications on how to design data structures and high-performance systems software. The seminar discussed how to adapt data structures and software systems to this new hardware landscape.
Cite as

Stratos Idreos, Viktor Leis, Kai-Uwe Sattler, and Margo Seltzer. Data Structures for Modern Memory and Storage Hierarchies (Dagstuhl Seminar 21283). In Dagstuhl Reports, Volume 11, Issue 6, pp. 38-53, Schloss Dagstuhl – Leibniz-Zentrum für Informatik (2021)

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@Article{idreos_et_al:DagRep.11.6.38,
  author =	{Idreos, Stratos and Leis, Viktor and Sattler, Kai-Uwe and Seltzer, Margo},
  title =	{{Data Structures for Modern Memory and Storage Hierarchies (Dagstuhl Seminar 21283)}},
  pages =	{38--53},
  journal =	{Dagstuhl Reports},
  ISSN =	{2192-5283},
  year =	{2021},
  volume =	{11},
  number =	{6},
  editor =	{Idreos, Stratos and Leis, Viktor and Sattler, Kai-Uwe and Seltzer, Margo},
  publisher =	{Schloss Dagstuhl -- Leibniz-Zentrum f{\"u}r Informatik},
  address =	{Dagstuhl, Germany},
  URL =		{https://drops.dagstuhl.de/entities/document/10.4230/DagRep.11.6.38},
  URN =		{urn:nbn:de:0030-drops-155797},
  doi =		{10.4230/DagRep.11.6.38},
  annote =	{Keywords: Cloud, Data Structures, Database Systems, Flash, Near-Data Processing, Persistent Memory}
}
Document
DOI: 10.4230/DagRep.8.4.126
Towards Accountable Systems (Dagstuhl Seminar 18181)

Authors: David Eyers, Christopher Millard, Margo Seltzer, and Jatinder Singh

Published in: Dagstuhl Reports, Volume 8, Issue 4 (2018)

Abstract
This report documents the program and the outcomes of Dagstuhl Seminar 18181 "Towards Accountable Systems", which took place from April 29th to May 4th, 2018, at Schloss Dagstuhl - Leibniz Center for Informatics. Researchers and practitioners from academia and industry were brought together covering broad fields from computer and information science, public policy and law. Many risks and opportunities were discussed that relate to the alignment of systems technologies with developing legal and regulatory requirements and evolving user expectations. This report summarises outcomes of the seminar by highlighting key future research directions and challenges that lie on the path to developing systems that better align with accountability concerns.
Cite as

David Eyers, Christopher Millard, Margo Seltzer, and Jatinder Singh. Towards Accountable Systems (Dagstuhl Seminar 18181). In Dagstuhl Reports, Volume 8, Issue 4, pp. 126-163, Schloss Dagstuhl – Leibniz-Zentrum für Informatik (2018)

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@Article{eyers_et_al:DagRep.8.4.126,
  author =	{Eyers, David and Millard, Christopher and Seltzer, Margo and Singh, Jatinder},
  title =	{{Towards Accountable Systems (Dagstuhl Seminar 18181)}},
  pages =	{126--163},
  journal =	{Dagstuhl Reports},
  ISSN =	{2192-5283},
  year =	{2018},
  volume =	{8},
  number =	{4},
  editor =	{Eyers, David and Millard, Christopher and Seltzer, Margo and Singh, Jatinder},
  publisher =	{Schloss Dagstuhl -- Leibniz-Zentrum f{\"u}r Informatik},
  address =	{Dagstuhl, Germany},
  URL =		{https://drops.dagstuhl.de/entities/document/10.4230/DagRep.8.4.126},
  URN =		{urn:nbn:de:0030-drops-97633},
  doi =		{10.4230/DagRep.8.4.126},
  annote =	{Keywords: accountability, compliance, audit, systems, engineering, cloud computing, internet of things, law, regulation, GDPR, security, privacy, data provenanc}
}
Document
DOI: 10.4230/DagRep.2.11.102
Is the Future of Preservation Cloudy? (Dagstuhl Seminar 12472)

Authors: Erik Elmroth, Michael Factor, Ethan Miller, and Margo Seltzer

Published in: Dagstuhl Reports, Volume 2, Issue 11 (2013)

Abstract
This report documents the program and the outcomes of Dagstuhl Seminar 12472 "Is the Future of Preservation Cloudy?". Our seminar was composed of a series of panels structured as a series of brief presentations followed by an open discussion. The seminar started with a session introducing key concepts and definitions and illuminating the vast array of perspectives from which attendees were addressing issues of cloud and preservation. We them proceeded into a discussion of requirements from different types of communities and a subsequent discussion on how to protect the data and ensure its integrity and reliability. We next considered issues related to cloud infrastructure, in particular related to management of the bits and logical obsolescence. We also considered the economics of preservation and the ability to reuse knowledge. In addition to these pre-planned panels, we had three breakout sessions that were identified by the participants: automated appraisal, design for forgetting, and PaaS/SaaS for data preservation. After the executive summary, we present summaries of the panels and reports on the breakout sessions, followed by brief abstracts from a majority of the seminar participants describing the material they presented in the panels.
Cite as

Erik Elmroth, Michael Factor, Ethan Miller, and Margo Seltzer. Is the Future of Preservation Cloudy? (Dagstuhl Seminar 12472). In Dagstuhl Reports, Volume 2, Issue 11, pp. 102-134, Schloss Dagstuhl – Leibniz-Zentrum für Informatik (2013)

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@Article{elmroth_et_al:DagRep.2.11.102,
  author =	{Elmroth, Erik and Factor, Michael and Miller, Ethan and Seltzer, Margo},
  title =	{{Is the Future of Preservation Cloudy? (Dagstuhl Seminar 12472)}},
  pages =	{102--134},
  journal =	{Dagstuhl Reports},
  ISSN =	{2192-5283},
  year =	{2013},
  volume =	{2},
  number =	{11},
  editor =	{Elmroth, Erik and Factor, Michael and Miller, Ethan and Seltzer, Margo},
  publisher =	{Schloss Dagstuhl -- Leibniz-Zentrum f{\"u}r Informatik},
  address =	{Dagstuhl, Germany},
  URL =		{https://drops.dagstuhl.de/entities/document/10.4230/DagRep.2.11.102},
  URN =		{urn:nbn:de:0030-drops-39790},
  doi =		{10.4230/DagRep.2.11.102},
  annote =	{Keywords: long-term preservation, cloud storage, provenance, obsolescence, data access, storage systems}
}
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