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 11:35] majlis Added links to previous and next chapter. |
courses:mapreduce-tutorial:step-3 [2012/01/29 15:59] straka |
||
---|---|---|---|
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 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-out-ex; | rm -rf step-3-out-ex; |