chore(engine): report saturation as load when there are no workers (#19925)

rfratto · web-flow · commit 86ccc6535534 · 2025-11-19T11:19:24.000-05:00
Signed-off-by: Robert Fratto &lt;robertfratto@gmail.com&gt;
diff --git a/pkg/engine/internal/scheduler/collector.go b/pkg/engine/internal/scheduler/collector.go
@@ -2,7 +2,6 @@ package scheduler
 
 import (
 	"context"
-	"math"
 	"time"
 
 	"github.com/prometheus/client_golang/prometheus"
@@ -138,7 +137,8 @@ func computeSaturation(sched *Scheduler) float64 {
 	})
 
 	if compute == 0 {
-		return math.Inf(1)
+		// If we have no compute capacity, fall back to the load as our ratio.
+		return float64(load)
 	}
 	return float64(load) / float64(compute)
 }

Original file line number	Diff line number	Diff line change
`@@ -2,7 +2,6 @@ package scheduler`
`2`	`2`
`3`	`3`	`import (`
`4`	`4`	`"context"`
`5`		`- "math"`
`6`	`5`	`"time"`
`7`	`6`
`8`	`7`	`"github.com/prometheus/client_golang/prometheus"`
`@@ -138,7 +137,8 @@ func computeSaturation(sched *Scheduler) float64 {`
`138`	`137`	`})`
`139`	`138`
`140`	`139`	`if compute == 0 {`
`141`		`- return math.Inf(1)`
	`140`	`+ // If we have no compute capacity, fall back to the load as our ratio.`
	`141`	`+ return float64(load)`
`142`	`142`	`}`
`143`	`143`	`return float64(load) / float64(compute)`
`144`	`144`	`}`