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util/gc.lua @ 13317:e6a5f196fc1f
util.uuid: Add UUIDv7
Allows sorting by id as a substitute for sorting by timestamp since it
has the timestamp in the encoded in the first part, and only things that
happen extremely close together may get out of order by such a sort,
which might not matter.
From draft-ietf-uuidrev-rfc4122bis formerly draft-peabody-dispatch-new-uuid-format
author | Kim Alvefur <zash@zash.se> |
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date | Sun, 15 Aug 2021 14:44:21 +0200 |
parent | 12975:d10957394a3c |
rev | line source |
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12975
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util: Prefix module imports with prosody namespace
Kim Alvefur <zash@zash.se>
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1 local set = require "prosody.util.set"; |
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2 |
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3 local known_options = { |
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4 incremental = set.new { "mode", "threshold", "speed", "step_size" }; |
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5 generational = set.new { "mode", "minor_threshold", "major_threshold" }; |
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6 }; |
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7 |
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util.gc: Fix check for Lua 5.4
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8 if _VERSION ~= "Lua 5.4" then |
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9 known_options.generational = nil; |
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10 known_options.incremental:remove("step_size"); |
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11 end |
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12 |
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13 local function configure(user, defaults) |
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14 local mode = user.mode or defaults.mode or "incremental"; |
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15 if not known_options[mode] then |
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16 return nil, "GC mode not supported on ".._VERSION..": "..mode; |
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17 end |
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18 |
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19 for k, v in pairs(user) do |
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20 if not known_options[mode]:contains(k) then |
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21 return nil, "Unknown GC parameter: "..k; |
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22 elseif k ~= "mode" and type(v) ~= "number" then |
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23 return nil, "parameter '"..k.."' should be a number"; |
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24 end |
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25 end |
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26 |
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27 if mode == "incremental" then |
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28 if _VERSION == "Lua 5.4" then |
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29 collectgarbage(mode, |
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30 user.threshold or defaults.threshold, |
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31 user.speed or defaults.speed, |
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32 user.step_size or defaults.step_size |
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33 ); |
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34 else |
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35 collectgarbage("setpause", user.threshold or defaults.threshold); |
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36 collectgarbage("setstepmul", user.speed or defaults.speed); |
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37 end |
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38 elseif mode == "generational" then |
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39 collectgarbage(mode, |
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40 user.minor_threshold or defaults.minor_threshold, |
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41 user.major_threshold or defaults.major_threshold |
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42 ); |
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util.gc: Linter fixes [luacheck]
Matthew Wild <mwild1@gmail.com>
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43 end |
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44 return true; |
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45 end |
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46 |
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47 return { |
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48 configure = configure; |
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49 }; |