36 lines
1.3 KiB
Python
Executable file
36 lines
1.3 KiB
Python
Executable file
#
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# Licensed to the Apache Software Foundation (ASF) under one or more
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# contributor license agreements. See the NOTICE file distributed with
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# this work for additional information regarding copyright ownership.
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# The ASF licenses this file to You under the Apache License, Version 2.0
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# (the "License"); you may not use this file except in compliance with
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# the License. You may obtain a copy of the License at
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#
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# http://www.apache.org/licenses/LICENSE-2.0
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#
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# Unless required by applicable law or agreed to in writing, software
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# distributed under the License is distributed on an "AS IS" BASIS,
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# WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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# See the License for the specific language governing permissions and
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# limitations under the License.
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#
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import sys
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from operator import add
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from pyspark import SparkContext
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if __name__ == "__main__":
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if len(sys.argv) < 3:
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print >> sys.stderr, "Usage: wordcount <master> <file>"
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exit(-1)
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sc = SparkContext(sys.argv[1], "PythonWordCount")
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lines = sc.textFile(sys.argv[2], 1)
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counts = lines.flatMap(lambda x: x.split(' ')) \
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.map(lambda x: (x, 1)) \
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.reduceByKey(add)
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output = counts.collect()
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for (word, count) in output:
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print "%s: %i" % (word, count)
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