reservoir source distribution

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Source distributions define how records are selected from a source pool.

Illustrative behavior

Source distributions define how records are selected from a source pool. SOURCE POOL A B C D GLOBAL SELECTION D B A

This is a representative seeded illustration. Exact output depends on rngSeed, the source, and the remaining runtime inputs.

Selection law: without_replacement

Replacement: without_replacement

Randomness: seeded_random

Seed coordination: shared_sequence

Required parameters: None

Supported surfaces: generate_source, nested_key_source, variable_source

Requires full source pool: yes

Requires shared seed: yes

Compatible with unique selection: no

Compatible with cyclic selection: yes

Topology invariant: yes