Redpanda Connect

Single-binary stream processor and connector runtime, formerly Benthos.

Provider: default
Kind: Stream processor
Category: Messaging
Official docs: https://docs.redpanda.com/redpanda-connect/components/buffers/about/

Properties · 4 set by this component

property	type	values	required	kind default	this component
buffer · component property	enum	none \| memory \| sqlite \| system-window	no	none	inherited
checkpointIntervalSeconds	integer	—	no	—	inherited
deployment · component property	enum	self-hosted \| cloud	no	self-hosted	inherited
exactlyOnce	boolean	—	no	false	▸ false
instances	integer	—	no	—	inherited
lateDataPolicy	enum	drop \| shift \| sideline	no	—	inherited
managed	boolean	—	no	false	▸ false
stateBackend	enum	memory \| rocksdb \| external	no	memory	▸ memory
watermarkSeconds	integer	—	no	—	inherited
windowing	enum	none \| event-time \| processing-time	no	none	▸ none

Rules that apply · 1

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.

Event-time windows without watermarkwarning

windowed-aggregation-without-watermark

Event-time windows need a watermark to know when a window is complete. Without one the processor either waits forever or closes windows early and silently drops late events.

— all of these hold:
— the node's `windowing` is "event-time"
— the node's `watermarkSeconds` has no value

Use it in a design

nodes:
  - { id: "redpanda-connect", component: "redpanda-connect" }

Other Stream processor products · 33

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Source

1# yaml-language-server: $schema=../../schema/component.schema.json
2# Redpanda Connect: single-binary stream processor (formerly Benthos). Its transaction model means
3# "a message from an input is not acknowledged ... until that message has been processed and either
4# intentionally deleted or successfully delivered to all outputs"; buffers are an optional component
5# and "are able to modify (or disable) the transaction model" ("Redpanda Connect, Buffers").
6schemaVersion: "1"
7type: "component"
8id: "redpanda-connect"
9kind: "stream-processor"
10provider: "default"
11docs: "https://docs.redpanda.com/redpanda-connect/components/buffers/about/"
12defaults:
13  managed: false
14  windowing: "none"
15  exactlyOnce: false
16  stateBackend: "memory"
17properties:
18  buffer:
19    type: "enum"
20    values: ["none", "memory", "sqlite", "system-window"]
21    default: "none"
22  deployment:
23    type: "enum"
24    values: ["self-hosted", "cloud"]
25    default: "self-hosted"

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