# Single Serial Consumer

> Processing a queue with one consumer in series, so throughput cannot scale with load.

Record: `lexicon:single-serial-consumer`
Kind: anti-pattern
Layer: [Execution Core](https://banes-lab.com/records/layer/execution-core.md)
Canonical: https://banes-lab.com/ontology/lexicon#lexicon-single-serial-consumer

Listed in [Lexicon terms](https://banes-lab.com/api/records/lexicon.md), after [Shared Database](https://banes-lab.com/records/lexicon/shared-database.md) and before [Unified CRUD Model](https://banes-lab.com/records/lexicon/unified-crud-model.md).

## Category

- [Event Messaging Async](https://banes-lab.com/records/lexicon-category/event-messaging-async.md)

## Negated by

- [Competing Consumers](https://banes-lab.com/records/architecture/competing-consumers.md)

## Linked from

- [Event / Messaging / Asynchronous Architecture](https://banes-lab.com/ontology/principles/architecture-category-event-messaging-asynchronous-architecture.md)