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-24 [2012/01/27 23:48] straka |
courses:mapreduce-tutorial:step-24 [2012/01/30 15:04] majlis |
||
---|---|---|---|
Line 80: | Line 80: | ||
</ | </ | ||
- | === Remarks === | + | ==== Remarks |
- | * The filename //must// be the same as the name of the class -- this is enforced by Java compiler. | + | * The filename //must// be the same as the name of the top-level |
* In one class multiple jobs can be submitted, either in sequence or in parallel. | * In one class multiple jobs can be submitted, either in sequence or in parallel. | ||
* A mismatch of types is usually detected by the compiler, but sometimes it is detected only at runtime. If that happens, an exception is raised and the program crashes. For example, default key output class it '' | * A mismatch of types is usually detected by the compiler, but sometimes it is detected only at runtime. If that happens, an exception is raised and the program crashes. For example, default key output class it '' | ||
Line 94: | Line 94: | ||
===== Exercise ===== | ===== Exercise ===== | ||
Download the '' | Download the '' | ||
- | / | + | |
+ | make -f / | ||
+ | rm -rf step-24-out-sol; | ||
+ | less step-24-out-sol/ | ||
Mind the '' | Mind the '' |