Optimalization

If you will follow these steps you will be fine
1.Use Lua math, functions ... instead of FiveM natives/functions
2.Use FiveM functions/Natives instead of your framework functions
3.Use your framework functions
How does that work? It is easy, just go 1 - 3, if you can not use 1., use the 2., if you can not use the point 3. Why? The first is the faster one and the 3. is the slowest one in the most cases. Why to use framework function if raw Lua can do it?
Counting Distance about 2 points
This seems to be the biggest problem on most servers? Why? It is so f*ckin' easy to optimise getting distance between 2 places.
The least correct
More correct
The most correct
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Citizen.CreateThread(function ()
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  while true do
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    Wait(0)
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​
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    local coords = GetEntityCoords(GetPlayerPed(-1))
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​
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    for k,v in pairs(Config.Zones) do
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      if(v.Type ~= -1 and GetDistanceBetweenCoords(coords, v.Pos.x, v.Pos.y, v.Pos.z, true) < Config.DrawDistance) then
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        DrawMarker(v.Type, v.Pos.x, v.Pos.y, v.Pos.z, 0.0, 0.0, 0.0, 0, 0.0, 0.0, v.Size.x, v.Size.y, v.Size.z, v.Color.r, v.Color.g, v.Color.b, 100, false, true, 2, false, false, false, false)
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      end
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    end
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  end
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end)
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​
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-- Lets say that we have defined all the locations and the Config with DrawDistance
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-- It is incorrect, because "GetDistanceBetweenCoords" is "slow" in comparison with lua math
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Citizen.CreateThread(function ()
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  while true do
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    Wait(0)
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​
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    local coords = GetEntityCoords(GetPlayerPed(-1))
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​
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    for k,v in pairs(Config.Zones) do
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      if(v.Type ~= -1 and #(coords, vector3(v.Pos.x, v.Pos.y, v.Pos.z)) < Config.DrawDistance) then
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        DrawMarker(v.Type, v.Pos.x, v.Pos.y, v.Pos.z, 0.0, 0.0, 0.0, 0, 0.0, 0.0, v.Size.x, v.Size.y, v.Size.z, v.Color.r, v.Color.g, v.Color.b, 100, false, true, 2, false, false, false, false)
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      end
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    end
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  end
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end)
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​
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-- This is way more optimized, because it uses Lua math in stead of FiveM native
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-- But it is still not a lot optimised
Copied!
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Citizen.CreateThread(function ()
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  while true do
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    Wait(0)
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​
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    local coords = GetEntityCoords(GetPlayerPed(-1))
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    local sleep = true
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    for k,v in pairs(Config.Zones) do
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      if(v.Type ~= -1 and #(coords, vector3(v.Pos.x, v.Pos.y, v.Pos.z)) < Config.DrawDistance) then
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        sleep = false
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        DrawMarker(v.Type, v.Pos.x, v.Pos.y, v.Pos.z, 0.0, 0.0, 0.0, 0, 0.0, 0.0, v.Size.x, v.Size.y, v.Size.z, v.Color.r, v.Color.g, v.Color.b, 100, false, true, 2, false, false, false, false)
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      end
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    end
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    if sleep then
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      Wait(500)
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    end
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  end
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end)
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-- This should be way more optimized and run at 0.01ms without any performance impacts
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Counting Distance about 2 points