Except high memory used when use use socket server loop

[pengjianaixue]

Julia version 1.5.0
my code just start a socket server, I run the code,the Julia main process memory will increase very fast and high,but I can not found the memory used where in my code.

my code as below:

import Sockets
import Future
import Distributed
# import JuMP
# import Plots
function clientHandle(client)
    println("Client EST")
    local fileHandler = open(raw"./clientRecordMsg.txt","w+")
    while isopen(client)
        msgVector = readavailable(client)
        clientMsg=""
        for byte in msgVector
            clientMsg*=string(Char(byte))
        end
        println(clientMsg)
        if  occursin(raw"writeFile",clientMsg)
            write(fileHandler,clientMsg*"\n")
            write(client, "write to file")
        elseif occursin(raw"printMsg",clientMsg)
            println(clientMsg)
            write(client, "print Msg to console\n")
        elseif occursin(raw"server Quit",clientMsg)
            println("server Quit")
            runFlag=false
            break;
        end
    end
    close(fileHandler)
end
function tcpServerTest(port)
    server = Sockets.listen(port)
    local runFlag = true
    local counter = UInt64(0)
    while runFlag
        Sockets.accept(clientHandle,server)
    end
    close(server)
end
println("Start\n")
# @async tcpServerTest(8888)
tcpServerTest(8888)
println("End\n")

[DilumAluthge]

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