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3 posts
A nested loop over priority tiers becomes the scheduler when every yield* is a durable Resonate checkpoint.
Process a batch of jobs in strict priority-tier order with up to 2 jobs running concurrently per tier. Each job is a durable checkpoint, so a mid-batch crash only retries the failing job — completed higher-priority jobs are not re-run.
How the Rust SDK turns a per-Kafka-message handler into a durable workflow keyed by the message id, with non-blocking dispatch and replay from the last checkpoint.
A Redpanda consumer dispatches one durable Resonate workflow per message and immediately moves on. Each ctx.run is a checkpoint; a crash mid-deletion resumes from the last completed batch, and the record id deduplicates retries.
How the batch-processor pattern collapses to a for-loop of ctx.run calls when each iteration is a durable checkpoint.
Process a large record set in fixed-size batches and resume from the last completed batch after a crash. Each batch is a durable checkpoint; completed batches return from cache on replay without re-running.