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Implementing Durable Workflows on Postgres without an External Orchestrator
Postgres can serve as the durable state store and coordination layer for workflows, eliminating the need for an external orchestrator. SKIP LOCKED enables concurrent work processing, primary-key checkpoints enforce idempotency, and leases support crash recovery. Workflow sleeps and human approvals can also be persisted as database state and survive restarts.
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The Mathematics of Backlogs: Capacity Planning for Queue Recovery
Backlogs in distributed systems are arithmetic problems, not mysteries. This article provides practical formulas for calculating backlog drain time, sizing consumer headroom, and setting auto-scaling triggers. It covers key failure modes — retry amplification, metastable states, and cascading pipeline bottlenecks — plus when to shed load instead of draining.
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Moving to .NET 7 MSMQ Alternatives
No MSMQ support is available in the new versions of .NET; if it’s time to move, this article presents a few considerations on what that transition can look like. It will explore some of the available options. By the end, you should see that even though it may be tough, there is a pathway forward.