NATS JetStream

Streamnats-jetstream

Persistence layer for NATS providing globally ordered, Raft-replicated streams.

Provider: default
Kind: Stream
Category: Messaging
Official docs: https://docs.nats.io/nats-concepts/jetstream

Properties · 6 set by this component

property	type	values	required	kind default	this component
acks	enum	none \| leader \| quorum \| all	no	—	▸ quorum
compaction	boolean	—	no	false	inherited
delivery	enum	at-most-once \| at-least-once \| exactly-once	no	at-least-once	▸ at-least-once
idempotentProducer · advanced	boolean	—	no	false	inherited
managed	boolean	—	no	false	▸ false
minInsyncReplicas	integer	—	no	—	inherited
ordering	enum	per-key \| global	no	per-key	▸ global
partitions	integer	—	no	—	inherited
replicationFactor	integer	—	no	—	▸ 1
retentionHours	integer	—	no	—	inherited
retentionPolicy · component property	enum	limits \| interest \| work-queue	no	limits	inherited
schemaEnforced	boolean	—	no	false	inherited
storage	enum	ephemeral \| persistent	no	persistent	▸ persistent
transactions · advanced	boolean	—	no	false	inherited

Rules that apply · 0

Every rule whose selector covers this component's kind or its category. Whether a rule fires depends on the design: its properties, its edges and its groups.

No rule reads this kind yet. That is a gap, not a guarantee.

Use it in a design

nodes:
  - { id: "nats-jetstream", component: "nats-jetstream" }

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Source

1# yaml-language-server: $schema=../../schema/component.schema.json
2# NATS JetStream: persistence layer on NATS. A stream is a single globally ordered sequence (no partitions),
3# file storage and 1 replica by default, Raft-replicated when replicas > 1; retention unlimited unless limits set.
4schemaVersion: "1"
5type: "component"
6id: "nats-jetstream"
7kind: "stream"
8provider: "default"
9docs: "https://docs.nats.io/nats-concepts/jetstream"
10defaults:
11  delivery: "at-least-once"
12  ordering: "global"
13  replicationFactor: 1
14  acks: "quorum"
15  storage: "persistent"
16  managed: false
17properties:
18  retentionPolicy:
19    type: "enum"
20    values: ["limits", "interest", "work-queue"]
21    default: "limits"

The same page as markdown, for an agent: /catalogue/components/nats-jetstream.md