IMPORTANT: No additional bug fixes or documentation updates will be released for this version. For the latest information, see the current release documentation.

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Fixed decider

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Fixed decider

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This functionality is in technical preview and may be changed or removed in a future release. Elastic will work to fix any issues, but features in technical preview are not subject to the support SLA of official GA features.

The fixed decider is intended for testing only. Do not use this decider in production.

The fixed decider responds with a fixed required capacity. It is not enabled by default but can be enabled for any policy by explicitly configuring it.

Configuration settings

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storage: (Optional, byte value) Required amount of node-level storage. Defaults to -1 (disabled).
memory: (Optional, byte value) Required amount of node-level memory. Defaults to -1 (disabled).
processors: (Optional, float) Required number of processors. Defaults to disabled.
nodes: (Optional, integer) Number of nodes to use when calculating capacity. Defaults to 1.

Examples

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This example puts an autoscaling policy named my_autoscaling_policy, enabling and configuring the fixed decider.

PUT /_autoscaling/policy/my_autoscaling_policy
{
  "roles" : [ "data_hot" ],
  "deciders": {
    "fixed": {
      "storage": "1tb",
      "memory": "32gb",
      "processors": 2.3,
      "nodes": 8
    }
  }
}

The API returns the following result:

{
  "acknowledged": true
}

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