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Both sides previous revision Previous revision Next revision | Previous revision Next revision Both sides next revision | ||
courses:mapreduce-tutorial:step-12 [2012/01/28 23:09] majlis Added links to previous and next chapter. |
courses:mapreduce-tutorial:step-12 [2012/01/29 14:56] majlis |
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===== 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 ===== | ===== Exercise ===== | ||
- | Change the word counting script {{: | + | Change the word counting script {{: |
- | {{: | + | wget --no-check-certificate 'https:// |
+ | rm -rf step-12-out-ex; | ||
+ | less step-12-out-ex/ | ||
+ | ==== Solution ==== | ||
+ | You can also download the solution {{: | ||
+ | wget --no-check-certificate ' | ||
+ | rm -rf step-12-out-sol; | ||
+ | less step-12-out-sol/ | ||
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