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-3 [2012/01/28 12:03] majlis |
courses:mapreduce-tutorial:step-3 [2012/01/29 23:43] majlis |
||
---|---|---|---|
Line 8: | Line 8: | ||
<file perl> | <file perl> | ||
- | # | ||
- | |||
package Mapper; | package Mapper; | ||
use Moose; | use Moose; | ||
Line 29: | Line 27: | ||
output_compression => 0); | output_compression => 0); | ||
- | $runner-> | + | $runner-> |
</ | </ | ||
Line 38: | Line 36: | ||
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 ===== | ||
+ | |||
+ | To check that your Hadoop environment works, try running a MR job on ''/ | ||
+ | wget --no-check-certificate ' | ||
+ | # NOW EDIT THE FILE | ||
+ | # $EDITOR step-3-exercise.pl | ||
+ | rm -rf step-3-out-ex; | ||
+ | less step-3-out-ex/ | ||
+ | | ||
+ | ==== Solution ==== | ||
+ | You can also download the solution {{: | ||
+ | wget --no-check-certificate ' | ||
+ | # NOW VIEW THE FILE | ||
+ | # $EDITOR step-3-solution.pl | ||
+ | rm -rf step-3-out-sol; | ||
+ | less step-3-out-sol/ | ||
---- | ---- |