Difference between revisions of "CSC352 Problem of the Day"
(→Homework #4, Problem #2) |
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| Line 20: | Line 20: | ||
| 117,617 | | 117,617 | ||
| 30.7 | | 30.7 | ||
| + | |- | ||
| + | | Ratio=589/1 | ||
| + | | Ratio=1/199 | ||
| + | | Ratio=12.6/1 | ||
|} | |} | ||
Revision as of 21:55, 26 April 2010
Homework #4, Problem #2
- Conditions:
- Processing of wiki pages with Hadoop on 6-PC cluster
- Same Mapper and same Reducer program to process two different input folders
| Number of files | Number of wiki pages | Execution Time (seconds) |
|---|---|---|
| 589 | 589 | 388 |
| 1 | 117,617 | 30.7 |
| Ratio=589/1 | Ratio=1/199 | Ratio=12.6/1 |
- Discuss these results
- Identify the parties responsible for this surprising difference
