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RethinkDB

Detailed information on the RethinkDB state store component

Component format

To setup RethinkDB state store, create a component of type state.rethinkdb. See the how-to guide to create and apply a state store configuration.

apiVersion: dapr.io/v1alpha1
kind: Component
metadata:
  name: <NAME>
spec:
  type: state.rethinkdb
  version: v1
  metadata:
  - name: address
    value: <REPLACE-RETHINKDB-ADDRESS> # Required, e.g. 127.0.0.1:28015 or rethinkdb.default.svc.cluster.local:28015).
  - name: database
    value: <REPLACE-RETHINKDB-DB-NAME> # Required, e.g. dapr (alpha-numerics only)
  - name: table
    value: # Optional
  - name: username
    value: <USERNAME> # Optional
  - name: password
    value: <PASSWORD> # Optional
  - name: archive
    value: bool # Optional (whether or not store should keep archive table of all the state changes)

If the optional archive metadata is set to true, on each state change, the RethinkDB state store will also log state changes with timestamp in the daprstate_archive table. This allows for time series analyses of the state managed by Dapr.

Spec metadata fields

Field Required Details Example
address Y The address for RethinkDB server "127.0.0.1:28015", "rethinkdb.default.svc.cluster.local:28015"
database Y The database to use. Alpha-numerics only "dapr"
table N The table name to use "table"
username N The username to connect with "user"
password N The password to connect with "password"
archive N Whether or not to archive the table "true", "false"

Setup RethinkDB


You can run RethinkDB locally using Docker:

docker run --name rethinkdb -v "$PWD:/rethinkdb-data" -d rethinkdb:latest

To connect to the admin UI:

open "http://$(docker inspect --format '{{ .NetworkSettings.IPAddress }}' rethinkdb):8080"

Last modified August 26, 2022: RethinkDB now Beta, but has no transactions, etags (c3c0aa83)