A novel checkpointing scheme for distributed database systems

  • Authors:
  • Slawomir Pilarski;Tiko Kameda

  • Affiliations:
  • School of Computing Science, Simon Fraser University, Burnaby, B.C., Canada V5A 1S6;School of Computing Science, Simon Fraser University, Burnaby, B.C., Canada V5A 1S6

  • Venue:
  • PODS '90 Proceedings of the ninth ACM SIGACT-SIGMOD-SIGART symposium on Principles of database systems
  • Year:
  • 1990

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Abstract

We present a new checkpointing scheme for a distributed database system. Our scheme records the states of some selected data items and can be executed at any time without stopping other activities in the database system. It makes use of “shadows” of data items to make sure that the collected data item values are “transaction-consistent”. Storage overhead is low, since at most one shadow is needed for each data item.