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codekitchen/cassandra_key_to_token.rb

Created October 3, 2013 15:37
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convert a key to cassandra token in the style of RandomPartitioner
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cassandra_key_to_token.rb
require 'digest/md5'
digest = Digest::MD5.hexdigest(ARGV[0])
token = digest.to_i(16)
token = token - (1 << bits) if (token & (1 << (bits - 1))) != 0
puts token.abs
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