Distributed Computing

, Volume 4, Issue 3, pp 123–129 | Cite as

Hierarchical deablock detection for nested transactions

  • Marta Rukoz


In this paper, we propose an algorithm for detecting deadlocks in a distributed Nested Transaction. This algorthms does not require that the global wait-for graph be built and maintained nor that the edges of a global wait-for graph be followed in order for deadlocks to be detected. Our algorithm uses the fact that transactions are organized in a tree structure. Each transaction maintains a representative wait-for graph that summarizes the waiting conditions in the subtree below the transaction. Deadlocks can be detected by individually checking these condensed wait-for graph.

Key words

Distributed databases Distributed transactions Nested transactions Deadlocks 


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Copyright information

© Springer-Verlag 1991

Authors and Affiliations

  • Marta Rukoz
    • 1
  1. 1.MASIUniversité Pierre et Marie CurieParisFrance

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