32 lines
763 B
Python
32 lines
763 B
Python
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from quorums.quorums import *
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a = Node('a')
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b = Node('b')
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c = Node('c')
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d = Node('d')
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e = Node('e')
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f = Node('f')
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g = Node('g')
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h = Node('h')
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i = Node('i')
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def main():
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# TODO(mwhittaker): Add more quorums and tidy up.
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quorum_systems = {
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'majority': QuorumSystem(reads=majority([a, b, c])),
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'read one, write all': QuorumSystem(reads=choose(1, [a, b, c])),
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'write one, read all': QuorumSystem(writes=choose(1, [a, b, c])),
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'3 by 3 grid': QuorumSystem(reads=a*b*c + d*e*f + g*h*i),
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}
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for name, qs in quorum_systems.items():
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sigma = qs.strategy(read_fraction=0.5)
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print(name)
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print(qs)
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print(sigma)
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print(sigma.load(read_fraction=0.5))
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if __name__ == '__main__':
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main()
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