Distributed Locking Algorithms: Difference between revisions
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Latest revision as of 09:11, 28 April 2023
Description
The purpose of a lock is to ensure that among several nodes that might try to do the same piece of work, only one actually does it (at least only one at a time). That work might be to write some data to a shared storage system, to perform some computation, to call some external API, or suchlike. At a high level, there are two reasons why you might want a lock in a distributed application: for efficiency or for correctness.
Parameters
$n$: number of clients
$f$: number of files
Table of Algorithms
| Name | Year | Time | Space | Approximation Factor | Model | Reference |
|---|---|---|---|---|---|---|
| Leases (Cary G Gray and David R Cheriton) | 1989 | $O(n)$ | $O(f)$? | Exact | Deterministic | Time |
| Chubby (Mike Burrows) | 2006 | $O(n)$ | $O(f)$? | Exact | Deterministic | Time |
| Tushar Deepak Chandra and Sam Toueg | 1996 | $O(n)$ | Exact | Deterministic | Time |
Time Complexity Graph
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