Conceptintro
Shuffle phase
Also called shuffle and sort, grouping by key.
The step that routes all pairs with the same key to the same reducer, sorting them on the way.
The step that routes all pairs with the same key to the same reducer, sorting them on the way.
About this page
The build computes these levels from the evidence in the repository. Each row says what the next level needs. Read what the levels mean.
| Ladder | Level | What the next level needs |
|---|---|---|
| Human proof | H0 no proof |
|
| Lean | L0 no Lean part |
|
| Visual | V0 none |
|
| Writing | W0 stub |
|
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