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courses:mapreduce-tutorial:step-8 [2012/01/31 09:37] straka Change Perl commandline syntax. |
courses:mapreduce-tutorial:step-8 [2012/01/31 15:55] (current) straka |
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| ===== The order of keys during reduce ===== | ===== The order of keys during reduce ===== | ||
| - | It is guaranteed that every reducer processes the keys in //ascending order//. | + | It is guaranteed that every reducer processes the keys in // |
| On the other hand, the order of values belonging to one key is undefined. | On the other hand, the order of values belonging to one key is undefined. | ||