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Brief Announcement
DOI: 10.4230/LIPIcs.DISC.2020.52
Brief Announcement: Building Fast Recoverable Persistent Data Structures with Montage

Authors: Haosen Wen, Wentao Cai, Mingzhe Du, Benjamin Valpey, and Michael L. Scott

Published in: LIPIcs, Volume 179, 34th International Symposium on Distributed Computing (DISC 2020)

Abstract
The recent emergence of fast, dense, nonvolatile main memory suggests that certain long-lived data structures might remain in their natural, pointer-rich format across program runs and hardware reboots. Operations on such structures must be instrumented with explicit write-back and fence instructions to ensure consistency in the wake of a crash. Techniques to minimize the cost of this instrumentation are an active topic of current research. We present what we believe to be the first general-purpose approach to building buffered durably linearizable persistent data structures, and a system, Montage, to support that approach. Montage is built on top of the Ralloc nonblocking persistent allocator. It employs a slow-ticking epoch clock, and ensures that no operation appears to span an epoch boundary. If a crash occurs in epoch e, all work performed in epochs e and e-1 is lost, but all work from prior epochs is preserved. We describe the implementation of Montage, argue its correctness, and report on experiments confirming excellent performance for operations on queues, sets/mappings, and general graphs.
Cite as

Haosen Wen, Wentao Cai, Mingzhe Du, Benjamin Valpey, and Michael L. Scott. Brief Announcement: Building Fast Recoverable Persistent Data Structures with Montage. In 34th International Symposium on Distributed Computing (DISC 2020). Leibniz International Proceedings in Informatics (LIPIcs), Volume 179, pp. 52:1-52:3, Schloss Dagstuhl – Leibniz-Zentrum für Informatik (2020)

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@InProceedings{wen_et_al:LIPIcs.DISC.2020.52,
  author =	{Wen, Haosen and Cai, Wentao and Du, Mingzhe and Valpey, Benjamin and Scott, Michael L.},
  title =	{{Brief Announcement: Building Fast Recoverable Persistent Data Structures with Montage}},
  booktitle =	{34th International Symposium on Distributed Computing (DISC 2020)},
  pages =	{52:1--52:3},
  series =	{Leibniz International Proceedings in Informatics (LIPIcs)},
  ISBN =	{978-3-95977-168-9},
  ISSN =	{1868-8969},
  year =	{2020},
  volume =	{179},
  editor =	{Attiya, Hagit},
  publisher =	{Schloss Dagstuhl -- Leibniz-Zentrum f{\"u}r Informatik},
  address =	{Dagstuhl, Germany},
  URL =		{https://drops-dev.dagstuhl.de/entities/document/10.4230/LIPIcs.DISC.2020.52},
  URN =		{urn:nbn:de:0030-drops-131304},
  doi =		{10.4230/LIPIcs.DISC.2020.52},
  annote =	{Keywords: Durable linearizability, consistency, persistence, fault tolerance}
}
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