File

+
−module:set_global()
+
−
+
−local custom_metric = require "core.statsmanager".metric
+
−local gc_bytes = custom_metric(
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−	"gauge", "lua_heap", "bytes",
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−	"Memory used by objects under control of the Lua garbage collector"
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−):with_labels()
+
−
+
−module:hook("stats-update", function ()
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−	local kbytes = collectgarbage("count");
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−  gc_bytes:set(kbytes * 1024);
+
−end);
+
−
+
−custom_metric("gauge", "lua_info", "", "Lua runtime version", { "version" }):with_labels(_VERSION):set(1);