maytasm commented on a change in pull request #11440:
URL: https://github.com/apache/druid/pull/11440#discussion_r669325399
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File path: docs/configuration/index.md
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@@ -1015,6 +1015,7 @@ There are additional configs for autoscaling (if it is
enabled):
|`druid.indexer.autoscale.pendingTaskTimeout`|How long a task can be in
"pending" state before the Overlord tries to scale up.|PT30S|
|`druid.indexer.autoscale.workerVersion`|If set, will only create nodes of set
version during autoscaling. Overrides dynamic configuration. |null|
|`druid.indexer.autoscale.workerPort`|The port that MiddleManagers will run
on.|8080|
+|`druid.indexer.autoscale.workerCapacityFallback`| Worker capacity for
determining the number of workers needed for auto scaling when there is
currently no worker running. If unset or set to value of 0 or less, auto scaler
will scale to `minNumWorkers` in autoScaler config instead. Note: this config
is only applicable to `pendingTaskBased` provisioning strategy|-1|
Review comment:
Changed the config name to `workerCapacityHint`. Updated the docs. I
think for heterogeneous clusters, it does make sense to set this to the average
capacity. I think the auto scaler should use the average capacity when there is
running worker nodes too but that can be a separate change/discussion.
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