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Metrics
Leaf26 edited this page Jun 17, 2026
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1 revision
metrics.yml holds reporting-only knobs for the runtime-health metrics (TPS / MSPT / heap / queue samples). Throttle and tuning knobs live in Performance.
Most keys affect Folia only. Single-region runtimes (Paper / Bukkit / Fabric) always return an empty per-region list - the correct answer there - so the Folia knobs have no effect.
| Key | Default | Options | Purpose |
|---|---|---|---|
foliaIncludeRegions |
true |
(n/a) | Populate the snapshot's per-region detail on Folia. No effect elsewhere. |
foliaAggregationTps |
mean |
mean, max
|
How per-region samples fold into the scalar tps{1,5,15}m fields on Folia. |
foliaAggregationMspt |
max |
mean, max
|
How per-region samples fold into the scalar mspt field on Folia. |
foliaAggregationTickBudget |
max |
mean, max
|
How per-region samples fold into the scalar tickBudgetUtilisation field on Folia. |
version is an internal config version - do not change it.