Durable Execution
Does durable execution guarantee exactly-once execution of external API calls like a queue can?
No. Durable execution guarantees workflow resumption after a crash, not exactly-once external calls. Catalyst persists workflow state and replays deterministic steps, but side-effecting API calls (e.g., payments) need idempotency keys or reconciliation on your side. Queues can offer at-least-once delivery but also require idempotent handlers for exactly-once semantics.
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- Durable Execution
What is durable execution in AI agent workflows?
Durable execution means an AI agent workflow can keep its progress even when a process crashes, a tool call fails, or the system restarts.
- Durable Execution
Why do production AI agents need durable workflows?
Production AI agents need durable workflows because real agent tasks rarely finish in a single clean request.
- Durable Execution
Is checkpointing enough for production AI agents?
Checkpointing helps, but it is usually not enough by itself for production AI agents. It explains the production reliability impact for AI agent workflows.