Add metrics for chained merge failures (total and node busy)
Improves visibility into how many merges chains are unwound due
to hitting queue limits in nodes further down the chain.
@@ -781,6 +781,8 @@ public class VespaMetricSet {
metrics.add(new Metric("vds.mergethrottler.bounced_due_to_back_pressure.rate"));
metrics.add(new Metric("vds.mergethrottler.locallyexecutedmerges.ok.rate"));
metrics.add(new Metric("vds.mergethrottler.mergechains.ok.rate"));
+ metrics.add(new Metric("vds.mergethrottler.mergechains.failures.busy.rate"));
+ metrics.add(new Metric("vds.mergethrottler.mergechains.failures.total.rate"));
return metrics;
}
