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courses:mapreduce-tutorial:step-3 [2012/01/28 11:09] majlis Odstraneny soubory s priklady |
courses:mapreduce-tutorial:step-3 [2012/01/29 15:34] straka |
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Line 8: | Line 8: | ||
<file perl> | <file perl> | ||
- | # | ||
- | |||
package Mapper; | package Mapper; | ||
use Moose; | use Moose; | ||
Line 37: | Line 35: | ||
perl script.pl run input_directory output_directory | perl script.pl run input_directory output_directory | ||
All files in input_directory are processes. The output_directory must not exist. | All files in input_directory are processes. The output_directory must not exist. | ||
+ | |||
===== Exercise ===== | ===== Exercise ===== | ||
- | To check that your Hadoop environment works, try running a MR job on ''/ | + | To check that your Hadoop environment works, try running a MR job on ''/ |
wget --no-check-certificate ' | wget --no-check-certificate ' | ||
- | rm -rf step-3-output; perl step-3-exercise.pl run / | + | rm -rf step-3-out-ex; perl step-3-exercise.pl run / |
+ | less step-3-out-ex/ | ||
+ | |||
+ | ==== Solution ==== | ||
+ | You can also download the solution {{: | ||
+ | wget --no-check-certificate ' | ||
+ | rm -rf step-3-out-sol; | ||
+ | less step-3-out-sol/ | ||
+ | ---- | ||
+ | < | ||
+ | <table style=" | ||
+ | <tr> | ||
+ | <td style=" | ||
+ | <td style=" | ||
+ | <td style=" | ||
+ | </tr> | ||
+ | </ | ||
+ | </ |