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annotate mod_measure_memory/mod_measure_memory.lua @ 3955:017f60608fc8

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mod_smacks: also count outgoing MAM messages mod_smacks doesn't count outgoing MAM messages, which causes warnings in Prosody such as: > The client says it handled 41 new stanzas, but we only sent 2 It seems mod_smacks is in the wrong here and that it's too strict in trying to determine what is a valid stanza to count. In RFC6120: > Definition of XML Stanza: An XML stanza is the basic unit of meaning > in XMPP. A stanza is a first-level element (at depth=1 of the stream) > whose element name is "message", "presence", or "iq" and whose > qualifying namespace is 'jabber:client' or 'jabber:server'.
author JC Brand <jc@opkode.com>
date Thu, 26 Mar 2020 11:57:02 +0100
parents a5a5f85d7ca1
children e17c937a71b3
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2c39af0fb93b mod_measure_memory: Module for polling memory useage from Lua, meminfo() and /proc depending on availability
Kim Alvefur <zash@zash.se>
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1 module:set_global();
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2
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3 local measure = require"core.statsmanager".measure;
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4
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5 local measures = {};
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6 setmetatable(measures, {
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7 __index = function (t, k)
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a5a5f85d7ca1 mod_measure_memory: Use the 'amount' measure type
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8 local m = measure("amount", "memory."..k); t[k] = m; return m;
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9 end
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10 });
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11
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12 module:hook("stats-update", function ()
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13 measures.lua(collectgarbage("count")*1024);
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14 end);
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15
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16 if require"lfs".attributes("/proc/self/statm", "mode") == "file" then
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17 local pagesize = module:get_option_number("memory_pagesize", 4096); -- getconf PAGESIZE
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18
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19 module:hook("stats-update", function ()
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20 local statm, err = io.open("/proc/self/statm");
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21 if not statm then
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22 module:log("error", tostring(err));
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23 return;
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24 end
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25 -- virtual memory (caches, opened librarys, everything)
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26 measures.total(statm:read("*n") * pagesize);
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27 -- resident set size (actually used memory)
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28 measures.rss(statm:read("*n") * pagesize);
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29 statm:close();
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30 end);
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31 end