annotate mod_measure_lua/mod_measure_lua.lua @ 4646:072d078be095

mod_storage_xmlarchive: Advertise capabilities (none atm) Both 'total' and 'quota' would be prohibitively expensive for the kind of archives this module targets as it would require counting items across the entire archive.
author Kim Alvefur <zash@zash.se>
date Fri, 13 Aug 2021 01:18:32 +0200
parents 78f1515575ab
children
Ignore whitespace changes - Everywhere: Within whitespace: At end of lines:
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4578
d95fcde6e39d mod_measure_lua: add openmetrics-spirited way to collect lua memory use
Jonas Schäfer <jonas@wielicki.name>
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1 module:set_global()
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2
d95fcde6e39d mod_measure_lua: add openmetrics-spirited way to collect lua memory use
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3 local custom_metric = require "core.statsmanager".metric
d95fcde6e39d mod_measure_lua: add openmetrics-spirited way to collect lua memory use
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4 local gc_bytes = custom_metric(
d95fcde6e39d mod_measure_lua: add openmetrics-spirited way to collect lua memory use
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5 "gauge", "lua_heap", "bytes",
d95fcde6e39d mod_measure_lua: add openmetrics-spirited way to collect lua memory use
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6 "Memory used by objects under control of the Lua garbage collector"
d95fcde6e39d mod_measure_lua: add openmetrics-spirited way to collect lua memory use
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7 ):with_labels()
d95fcde6e39d mod_measure_lua: add openmetrics-spirited way to collect lua memory use
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8
d95fcde6e39d mod_measure_lua: add openmetrics-spirited way to collect lua memory use
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9 module:hook("stats-update", function ()
d95fcde6e39d mod_measure_lua: add openmetrics-spirited way to collect lua memory use
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10 local kbytes = collectgarbage("count");
d95fcde6e39d mod_measure_lua: add openmetrics-spirited way to collect lua memory use
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11 gc_bytes:set(kbytes * 1024);
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12 end);
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13
4602
78f1515575ab mod_measure_lua: Use gauge instead of counter for Lua version (thanks jonas’)
Kim Alvefur <zash@zash.se>
parents: 4601
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14 custom_metric("gauge", "lua_info", "", "Lua runtime version", { "version" }):with_labels(_VERSION):set(1);