KIP-1055 — Introducing Round-Robin Assignment Strategy to ConnectorUtils

Discussion Connect

Adds a round-robin element distribution method to ConnectorUtils in Kafka Connect, assigning elements to groups in interleaved order (e.g., {a,d}, {b,e}, {c}) rather than the existing contiguous grouping ({a,b}, {c,d}, {e}). Connector workload distribution via contiguous grouping produces uneven load when groups must process each element's work serially, since the last group may receive fewer or lighter elements.

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