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Rate limit the flow of events

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Rate limit the flow of events

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This functionality is in beta and is subject to change. The design and code is less mature than official GA features and is being provided as-is with no warranties. Beta features are not subject to the support SLA of official GA features.

The rate_limit processor limits the throughput of events based on the specified configuration.

In the current implementation, rate-limited events are dropped. Future implementations may allow rate-limited events to be handled differently.

processors:
- rate_limit:
   limit: "10000/m"

processors:
- rate_limit:
   fields:
   - "cloudfoundry.org.name"
   limit: "400/s"

processors:
- if.equals.cloudfoundry.org.name: "acme"
  then:
  - rate_limit:
      limit: "500/s"

The following settings are supported:

limit: The rate limit. Supported time units for the rate are s (per second), m (per minute), and h (per hour).
fields: (Optional) List of fields. The rate limit will be applied to each distinct value derived by combining the values of these fields.

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