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| type | title | linkTitle | description |
|---|---|---|---|
| docs | Dapr placement service overview | Placement | Overview of the Dapr placement process |
The Dapr placement service is used to calculate and distribute distributed hash tables for the location of [Dapr actors]({{< ref actors >}} running in [self-hosted mode]({{< ref self-hosted >}}) or on [Kubernetes]({{< ref kubernetes >}}). This hash table maps actor IDs to pods or processes so a Dapr application can communicate with the actor.Anytime a Dapr application activates a Dapr actor, the placement updates the hash tables with the latest actor locations.
Self-hosted mode
The placement service Docker container is started automatically as part of [dapr init]({{< ref self-hosted-with-docker.md >}}). It can also be run manually as a process if you are running in [slim-init mode]({{< ref self-hosted-no-docker.md >}}).
Kubernetes mode
The placement service is deployed as part of dapr init -k, or via the Dapr Helm charts. For more information on running Dapr on Kubernetes, visit the [Kubernetes hosting page]({{< ref kubernetes >}}).