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Add a note about shard actor factory being local (#29970)

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Johan Andrén 2021-01-28 10:35:23 +01:00 • committed by GitHub
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akka-docs/src/main/paradox/typed/cluster-sharding.md
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@ -97,6 +97,8 @@ Cluster sharding `init` should be called on every node for each entity type. Whi
can be controlled with @ref:[roles](cluster.md#node-roles). `init` will create a `ShardRegion` or a proxy depending on whether the node's role matches
the entity's role.
The behavior factory lambda passed to the init method is defined on each node and only used locally, this means it is safe to use it for injecting for example a node local `ActorRef` that each sharded actor should have access to or some object that is not possible to serialize.
Specifying the role:
Scala