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annotate mod_measure_lua/mod_measure_lua.lua @ 4804:a7c0c70e64b6

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mod_ping_muc: Yet another attempt to improve MUC reliability This time by moving XEP-0410 to the server. Will this save the users from the s2s timeouts? What horrifying unintentional side-effects will this have? Tune in next week to find out!
author Kim Alvefur <zash@zash.se>
date Thu, 02 Dec 2021 23:43:11 +0100
parents 78f1515575ab
children
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4578
d95fcde6e39d mod_measure_lua: add openmetrics-spirited way to collect lua memory use
Jonas Schäfer <jonas@wielicki.name>
parents:
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1 module:set_global()
d95fcde6e39d mod_measure_lua: add openmetrics-spirited way to collect lua memory use
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2
d95fcde6e39d mod_measure_lua: add openmetrics-spirited way to collect lua memory use
Jonas Schäfer <jonas@wielicki.name>
parents:
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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
Jonas Schäfer <jonas@wielicki.name>
parents:
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4 local gc_bytes = custom_metric(
d95fcde6e39d mod_measure_lua: add openmetrics-spirited way to collect lua memory use
Jonas Schäfer <jonas@wielicki.name>
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5 "gauge", "lua_heap", "bytes",
d95fcde6e39d mod_measure_lua: add openmetrics-spirited way to collect lua memory use
Jonas Schäfer <jonas@wielicki.name>
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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
Jonas Schäfer <jonas@wielicki.name>
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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
Jonas Schäfer <jonas@wielicki.name>
parents:
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9 module:hook("stats-update", function ()
d95fcde6e39d mod_measure_lua: add openmetrics-spirited way to collect lua memory use
Jonas Schäfer <jonas@wielicki.name>
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10 local kbytes = collectgarbage("count");
d95fcde6e39d mod_measure_lua: add openmetrics-spirited way to collect lua memory use
Jonas Schäfer <jonas@wielicki.name>
parents:
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11 gc_bytes:set(kbytes * 1024);
d95fcde6e39d mod_measure_lua: add openmetrics-spirited way to collect lua memory use
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12 end);
d95fcde6e39d mod_measure_lua: add openmetrics-spirited way to collect lua memory use
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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
diff changeset
14 custom_metric("gauge", "lua_info", "", "Lua runtime version", { "version" }):with_labels(_VERSION):set(1);