pastebin example: fix pseudo code bug

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.
2017-06-06 17:18:15 +02:00 · 2017-06-06 17:18:15 +02:00 · b2b18cbca1
parent 17e5fb7d32
commit b2b18cbca1
1 changed files with 1 additions and 1 deletions
--- a/solutions/system_design/pastebin/README.md
+++ b/solutions/system_design/pastebin/README.md
@ -218,7 +218,7 @@ class HitCounts(MRJob):
        period = self.extract_year_month(line)
        yield (period, url), 1

-    def reducer(self, key, value):
+    def reducer(self, key, values):
        """Sum values for each key.

        (2016-01, url0), 2