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Add logs for the scaling operation #513

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Merged
otrosien merged 2 commits into from
Dec 16, 2025
Merged

Add logs for the scaling operation #513

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c4f1a8c
additional logging for the scaling operation
adrobisch Dec 11, 2025
fd9b4dd
switch to debug log in scaling op input log
adrobisch Dec 16, 2025
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20 changes: 20 additions & 0 deletions operator/autoscaler.go
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Original file line number Diff line number Diff line change
Expand Up @@ -150,6 +150,13 @@ func (as *AutoScaler) GetScalingOperation() (*ScalingOperation, error) {

managedIndices := as.getManagedIndices(esIndices, esShards)
managedNodes := as.getManagedNodes(as.pods, esNodes)

as.logger.Debugf("Calculating scaling operation for: hint=%s, managedIndices=%d, managedNodes=%d",
direction,
len(managedIndices),
len(managedNodes),
)

return as.calculateScalingOperation(managedIndices, managedNodes, direction), nil
}

Expand Down Expand Up @@ -214,6 +221,19 @@ func (as *AutoScaler) calculateScalingOperation(managedIndices map[string]ESInde
return noopScalingOperation(fmt.Sprintf("Scaling would violate the minimum required disk free percent: %.2f", 75.0))
}

as.logger.Infof("Scaling operation: direction=%s, nodeReplicas=%s, indexReplicaChanges=%d, targetIndexReplicas=%v, description=%s",
scalingOperation.ScalingDirection,
func() string {
if scalingOperation.NodeReplicas == nil {
return "unset"
}
return fmt.Sprintf("%d", *scalingOperation.NodeReplicas)
}(),
len(scalingOperation.IndexReplicas),
scalingOperation.IndexReplicas,
scalingOperation.Description,
)

return scalingOperation
}

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