fix: the leak of prometheus metrics (#10655)

apache · Dec 25, 2023 · 59a6be4 · 59a6be4
1 parent 8f3b026
commit 59a6be4
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diff --git a/apisix/plugins/prometheus/exporter.lua b/apisix/plugins/prometheus/exporter.lua
@@ -473,6 +473,7 @@ local function collect(ctx, stream_only)
 
     -- update upstream_status metrics
     local stats = control.get_health_checkers()
+    metrics.upstream_status:reset()
     for _, stat in ipairs(stats) do
         for _, node in ipairs(stat.nodes) do
             metrics.upstream_status:set(