【运维发布】服务器扩容容量预估：从压测数据到容量模型的换算

local COST = { cpu = 0.05, mem = 1.8 }
local SAFETY = 0.8
local function estimateCapacity(cpuCore, memGB)
    local byCpu = math.floor(cpuCore / COST.cpu * SAFETY)
    local byMem = math.floor(memGB / COST.mem * SAFETY)
    return math.min(byCpu, byMem)
end

setontimerex(93, 60)
function ontimer93()
    local cap = tonumber(getsysvar("CAPACITY") or "0")
    local online = grobalinfo(6)
    if cap > 0 and online > cap * 0.8 then
        setsysvar("CAP_WARN", online)
        sendcentermsg("服务器人数较多，部分功能可能延迟")
    end
end