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Merged
merged 3 commits into from
Dec 17, 2017
Merged

Pedro changes for videos #5

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f9c885f
Removed gradle files
Dec 17, 2017
a6dc078
Changed SortedWordCountSolution.py to use the sortBy operation
Dec 17, 2017
76f5cce
Changed scripts to use the conf paramenter on the SparkContext constr…
Dec 17, 2017
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Changed SortedWordCountSolution.py to use the sortBy operation
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Pedro Bernardo committed Dec 17, 2017
commit a6dc078dfd3ca12df8f9de7a69ab9348cfcf9109
18 changes: 8 additions & 10 deletions pairRdd/sort/SortedWordCountSolution.py
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Original file line number Diff line number Diff line change
@@ -1,20 +1,18 @@
from pyspark import SparkContext
from pyspark import SparkContext, SparkConf

if __name__ == "__main__":

sc = SparkContext("local", "wordCounts")
sc.setLogLevel("ERROR")
conf = SparkConf().setAppName("wordCounts").setMaster("local[*]")
sc = SparkContext(conf = conf)

lines = sc.textFile("in/word_count.text")
wordRdd = lines.flatMap(lambda line: line.split(" "))

wordPairRdd = wordRdd.map(lambda word: (word, 1))
wordToCountPairs = wordPairRdd.reduceByKey(lambda x, y: x + y)

countToWordParis = wordToCountPairs.map(lambda wordToCount: (wordToCount[1], wordToCount[0]))

sortedCountToWordParis = countToWordParis.sortByKey(ascending=False)
sortedWordCountPairs = wordToCountPairs \
.sortBy(lambda wordCount: wordCount[1], ascending=False)

sortedWordToCountPairs = sortedCountToWordParis.map(lambda countToWord: (countToWord[1], countToWord[0]))

for word, count in sortedWordToCountPairs.collect():
for word, count in sortedWordCountPairs.collect():
print("{} : {}".format(word, count))