Differences
This shows you the differences between two versions of the page.
Both sides previous revision Previous revision Next revision | Previous revision Next revision Both sides next revision | ||
courses:mapreduce-tutorial:step-12 [2012/01/25 21:29] straka |
courses:mapreduce-tutorial:step-12 [2012/01/28 12:25] majlis |
||
---|---|---|---|
Line 13: | Line 13: | ||
===== Reduce-less jobs ===== | ===== Reduce-less jobs ===== | ||
If a MR job runs without reducers, the output of mappers is written to output directory without further processing. In this case, environmental variable '' | If a MR job runs without reducers, the output of mappers is written to output directory without further processing. In this case, environmental variable '' | ||
+ | |||
+ | ===== Exercise ===== | ||
+ | Change the word counting script {{: | ||
+ | |||
+ | {{: | ||