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pastebin example: fix pseudo code bug

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This should make it clear that the code the developer writes for the reduce steps indeed gets an iterable of values, not only a single value.
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Arash Rouhani
2017-06-06 17:18:15 +02:00
committed by GitHub
parent 17e5fb7d32
commit b2b18cbca1
1 changed files with 1 additions and 1 deletions
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solutions/system_design/pastebin/README.md
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@@ -218,7 +218,7 @@ class HitCounts(MRJob):
period = self.extract_year_month(line) period = self.extract_year_month(line)
yield (period, url), 1 yield (period, url), 1
def reducer(self, key, value): def reducer(self, key, values):
"""Sum values for each key. """Sum values for each key.
(2016-01, url0), 2 (2016-01, url0), 2