Atomic Garbage Collection: Managing a Stable Heap.

Elliot K. Kolodner, Barbara Liskov, William E. Weihl: Atomic Garbage Collection: Managing a Stable Heap. SIGMOD Conference 1989: 15-25

@inproceedings{DBLP:conf/sigmod/KolodnerLW89,
  author    = {Elliot K. Kolodner and
               Barbara Liskov and
               William E. Weihl},
  editor    = {James Clifford and
               Bruce G. Lindsay and
               David Maier},
  title     = {Atomic Garbage Collection: Managing a Stable Heap},
  booktitle = {Proceedings of the 1989 ACM SIGMOD International Conference on
               Management of Data, Portland, Oregon, May 31 - June 2, 1989},
  publisher = {ACM Press},
  year      = {1989},
  pages     = {15-25},
  ee        = {http://doi.acm.org/10.1145/67544.66928},
  crossref  = {DBLP:conf/sigmod/89},
  bibsource = {DBLP, http://dblp.uni-trier.de}
}

Abstract

Modern database systems use transactions to achieve a high degree of fault-tolerance. Many modern programming languages and systems provide garbage collected heap storage, which frees the programmer from the job of explicitly deallocating storage. In this paper we describe integrated garbage collection and recovery algorithms for managing a stable heap in which accessible objects survive both system crashes and media failures.

A garbage collector typically both moves and modifies objects which can lead to problems when the heap is stable because a system crash after the start of collection but before enough of the reorganized heap reaches the disk can leave the disk in an inconsistent state. Furthermore, collection has to be coordinated with the recovery system. We present a collection algorithm and recovery system that solves these problems.

Copyright © 1989 by the ACM, Inc., used by permission. Permission to make digital or hard copies is granted provided that copies are not made or distributed for profit or direct commercial advantage, and that copies show this notice on the first page or initial screen of a display along with the full citation.

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