38 lines
1.0 KiB
Markdown
38 lines
1.0 KiB
Markdown
# Advanced deployment
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OAP servers communicate with each other in a cluster environment.
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In the cluster mode, you could run in different roles.
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- Mixed(default)
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- Receiver
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- Aggregator
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Sometimes users may wish to deploy cluster nodes with a clearly defined role. They could then use this function.
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## Mixed
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By default, the OAP is responsible for:
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1. Receiving agent traces or metrics.
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1. L1 aggregation
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1. Internal communication (sending/receiving)
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1. L2 aggregation
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1. Persistence
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1. Alarm
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## Receiver
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The OAP is responsible for:
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1. Receiving agent traces or metrics.
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1. L1 aggregation
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1. Internal communication (sending)
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## Aggregator
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The OAP is responsible for:
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1. Internal communication(receive)
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1. L2 aggregation
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1. Persistence
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1. Alarm
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___
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These roles are designed for complex deployment requirements on security and network policy.
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## Kubernetes
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If you are using our native [Kubernetes coordinator](backend-cluster.md#kubernetes), the `labelSelector`
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setting is used for `Aggregator` role selection rules. Choose the right OAP deployment based on your needs.
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