使用 workerman 做TCP client 做服務(wù)器的壓力測試
物聯(lián)網(wǎng)業(yè)務(wù)單純測試 TCP 連接數(shù)量已經(jīng)沒用意義，所以需要做壓力測試的時候模擬真實業(yè)務(wù)，比如有5萬臺設(shè)備，每分鐘內(nèi)都上傳一次 GPS 數(shù)據(jù)等。這時候測試的不再是 workerman 框架自身的性能，而是 Server 端整體的性能。
昨天開始嘗試用 workerman 作為 TCP Client 與 server 對接（server 端也是 wokerman-gatewway）,通信協(xié)議是基于 TCP 的自定義協(xié)議，下面是示例代碼：
<?php
use Protocols\LindeProtocol;
use Workerman\Lib\Timer;
use \Workerman\Worker;
use \Workerman\Connection\AsyncTcpConnection;
require_once __DIR__ . '/Autoloader.php';
$deviceMaxNumber = 10;
for ($i = 0; $i < $deviceMaxNumber; $i++) {
$task = new Worker();
$deviceId = "99999888887777$i";
$task->onWorkerStart = function ($task) use ($deviceId) {
require_once __DIR__ . '/SmartLinkBusinessWorker.php';
$busWorker = new \Workerman\SmartLinkBusinessWorker($deviceId);
$time_interval = 1;
Timer::add($time_interval,
function () use ($busWorker) {
$busWorker->timerTick();
}
);
$connection = new AsyncTcpConnection('lindeProtocol://_._._._:*);
// 當(dāng)連接建立成功時
$connection->onConnect = ;
$connection->onMessage = ;
$connection->onClose = ;
$connection->onError = ;
$connection->onWorkerStop = ;
$connection->connect();
};
}
// 運行worker
Worker::runAll();目前是模擬10個客戶端沒有問題，如果想模擬一萬個客戶端，能否繼續(xù)使用上面的方法（只把 deviceMaxNumber 從10改成10000）？
或者能否指點一下更優(yōu)的方案？
4個回答
個人認(rèn)為作者這個方案不是很好，因為 deviceMaxNumber 的數(shù)量直接決定了啟動的子進程數(shù)量，而且每個子進程只維持了一個AsyncTcpConnection連接，隨著deviceMaxNumber 數(shù)量的增加，進程啟動開銷隨之增加，其實可以將進程分組，每組進程內(nèi)維持N個鏈接，類似負(fù)載均衡效果。
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大家試過workerman/gateway-worker 做為 server 端，能保持多少 TCP 鏈接嗎？
我的情況：
服務(wù)器：
Centos 6.8
4核心
16G 內(nèi)存
已經(jīng)完全按照 Linux 內(nèi)核調(diào)優(yōu)參數(shù)章節(jié)進行了調(diào)優(yōu)
但成功建立 TCP 鏈接始終不超過兩千，達到一千多以后，AsyncTcpConnection的 onError 函數(shù)頻繁被觸發(fā)：Error code:1 msg:connect 115.159.77.248:20073 fail after 127.281 seconds
$task = new Worker();
$task->count = 50;
$task->onWorkerStart = function ($task) {
$deviceMaxNumber = 100;
for ($i = 0; $i < $deviceMaxNumber; $i ) {
$taskId = $task->id;
$deviceId = "99999$taskId" . "888887777$i";
require_once __DIR__ . '/SmartLinkBusinessWorker.php';
$busWorker = new \Workerman\SmartLinkBusinessWorker($deviceId);
$connection = new AsyncTcpConnection('lindeProtocol://_._._._:*');
// 當(dāng)連接建立成功時
$connection->onConnect = ;
$connection->onMessage = ;
$connection->onClose = ;
$connection->onError = ;
$connection->onWorkerStop = ;
$connection->connect();
//sleep(1);
}
};現(xiàn)在是開啟50個進程，每個進程維護100個連接。
這是 “/etc/sysctl.conf” 配置
fs.file-max=6815744
net.ipv4.tcp_max_tw_buckets = 20000
net.ipv4.tcp_sack = 1
net.ipv4.tcp_window_scaling = 1
net.ipv4.tcp_rmem = 4096 87380 4194304
net.ipv4.tcp_wmem = 4096 16384 4194304
net.ipv4.tcp_max_syn_backlog = 262144
net.core.netdev_max_backlog = 32768
net.core.somaxconn = 65535
net.core.wmem_default = 8388608
net.core.rmem_default = 8388608
net.core.rmem_max = 16777216
net.core.wmem_max = 16777216
net.ipv4.tcp_timestamps = 1
net.ipv4.tcp_fin_timeout = 20
net.ipv4.tcp_synack_retries = 2
net.ipv4.tcp_syn_retries = 2
net.ipv4.tcp_syncookies = 1
#net.ipv4.tcp_tw_len = 1
net.ipv4.tcp_tw_reuse = 1
net.ipv4.tcp_tw_recycle=0
net.ipv4.tcp_mem = 94500000 915000000 927000000
net.ipv4.tcp_max_orphans = 3276800
net.ipv4.ip_local_port_range = 1024 65000
net.nf_conntrack_max = 6553500
net.netfilter.nf_conntrack_max = 6553500
net.netfilter.nf_conntrack_tcp_timeout_close_wait = 60
net.netfilter.nf_conntrack_tcp_timeout_fin_wait = 120
net.netfilter.nf_conntrack_tcp_timeout_time_wait = 120
net.netfilter.nf_conntrack_tcp_timeout_established = 3600
net.ipv6.conf.all.disable_ipv6 = 0
net.ipv6.conf.default.disable_ipv6 = 0
net.ipv6.conf.lo.disable_ipv6 = 0客戶端連接失敗時，workerman/gateway-worker 端沒有觸發(fā)任何錯誤信息，看起來狀態(tài)良好
----------------------------------------------GLOBAL STATUS----------------------------------------------------
Workerman version:3.5.11 PHP version:7.1.10
start time:2018-08-06 23:08:06 run 0 days 9 hours
load average: 0, 0, 0 event-loop:\Workerman\Events\Event
4 workers 83 processes
worker_name exit_status exit_count
linde_test_worker 0 0
linde_gateway 0 0
internalGateway 0 0
Register 0 0
----------------------------------------------PROCESS STATUS---------------------------------------------------
pid memory listening worker_name connections send_fail timers total_request qps status
13458 6M none linde_test_worker 53 0 0 5538 0
13459 6M none linde_test_worker 53 0 0 11943 0
13460 6M none linde_test_worker 53 0 0 10641 0
13461 6M none linde_test_worker 53 0 0 17033 0
13462 6M none linde_test_worker 53 0 0 14599 0
13463 6M none linde_test_worker 53 0 0 6763 0
13464 6M none linde_test_worker 53 0 0 13083 0
13466 6M none linde_test_worker 53 0 0 15920 0
13467 6M none linde_test_worker 53 0 0 15398 0
13468 6M none linde_test_worker 53 0 0 15713 0
13469 6M none linde_test_worker 53 0 0 11995 0
13470 6M none linde_test_worker 53 0 0 14709 0
13471 6M none linde_test_worker 53 0 0 18411 0
13472 6M none linde_test_worker 53 0 0 18084 0
13473 6M none linde_test_worker 53 0 0 13224 0
13474 6M none linde_test_worker 53 0 0 14478 0
13475 6M none linde_test_worker 53 0 0 10551 0
13476 6M none linde_test_worker 53 0 0 16148 0
13479 6M none linde_test_worker 53 0 0 26092 0
13480 6M none linde_test_worker 53 0 0 19470 0
13481 6M none linde_test_worker 53 0 0 26773 0
13482 6M none linde_test_worker 53 0 0 19910 0
13483 6M none linde_test_worker 53 0 0 14391 0
13484 6M none linde_test_worker 53 0 0 13781 0
13486 6M none linde_test_worker 53 0 0 7992 0
13487 6M none linde_test_worker 53 0 0 6793 0
13488 6M none linde_test_worker 53 0 0 11859 0
13489 6M none linde_test_worker 53 0 0 13144 0
13490 6M none linde_test_worker 53 0 0 12420 0
13491 6M none linde_test_worker 53 0 0 16900 0
13492 2M lindeProtocol://0.0.0.0:20073 linde_gateway 31 0 0 1730 0
13493 4M lindeProtocol://0.0.0.0:20073 linde_gateway 31 0 0 1740 0
13494 2M lindeProtocol://0.0.0.0:20073 linde_gateway 31 0 0 1760 0
13495 2M lindeProtocol://0.0.0.0:20073 linde_gateway 31 0 0 1740 0
13497 2M lindeProtocol://0.0.0.0:20073 linde_gateway 31 0 0 4302 0
13498 2M lindeProtocol://0.0.0.0:20073 linde_gateway 31 0 0 4330 0
13499 2M lindeProtocol://0.0.0.0:20073 linde_gateway 31 0 0 4318 0
13500 2M lindeProtocol://0.0.0.0:20073 linde_gateway 31 0 0 1740 0
13501 2M lindeProtocol://0.0.0.0:20073 linde_gateway 31 0 0 1745 0
13502 2M lindeProtocol://0.0.0.0:20073 linde_gateway 31 0 0 1735 0
13503 2M lindeProtocol://0.0.0.0:20073 linde_gateway 31 0 0 6904 0
13505 2M lindeProtocol://0.0.0.0:20073 linde_gateway 31 0 0 6898 0
13506 2M lindeProtocol://0.0.0.0:20073 linde_gateway 31 0 0 1735 0
13507 2M lindeProtocol://0.0.0.0:20073 linde_gateway 31 0 0 1740 0
13509 2M lindeProtocol://0.0.0.0:20073 linde_gateway 31 0 0 1735 0
13510 2M lindeProtocol://0.0.0.0:20073 linde_gateway 31 0 0 1741 0
13511 2M lindeProtocol://0.0.0.0:20073 linde_gateway 31 0 0 1735 0
13512 2M lindeProtocol://0.0.0.0:20073 linde_gateway 31 0 0 1730 0
13513 4M lindeProtocol://0.0.0.0:20073 linde_gateway 31 0 0 1755 0
13514 2M lindeProtocol://0.0.0.0:20073 linde_gateway 31 0 0 1730 0
13515 2M lindeProtocol://0.0.0.0:20073 linde_gateway 31 0 0 1746 0
13516 4M lindeProtocol://0.0.0.0:20073 linde_gateway 31 0 0 4322 0
13517 2M lindeProtocol://0.0.0.0:20073 linde_gateway 31 0 0 4309 0
13518 2M lindeProtocol://0.0.0.0:20073 linde_gateway 31 0 0 1735 0
13521 2M lindeProtocol://0.0.0.0:20073 linde_gateway 31 0 0 1750 0
13522 2M lindeProtocol://0.0.0.0:20073 linde_gateway 31 0 0 1745 0
13523 4M lindeProtocol://0.0.0.0:20073 linde_gateway 31 0 0 14851 0
13524 4M lindeProtocol://0.0.0.0:20073 linde_gateway 31 0 0 4342 0
13525 2M lindeProtocol://0.0.0.0:20073 linde_gateway 31 0 0 4322 0
13526 2M lindeProtocol://0.0.0.0:20073 linde_gateway 31 0 0 4325 0
13527 2M lindeProtocol://0.0.0.0:20073 linde_gateway 31 0 0 4335 0
13528 2M lindeProtocol://0.0.0.0:20073 linde_gateway 31 0 0 4305 0
13529 2M lindeProtocol://0.0.0.0:20073 linde_gateway 31 0 0 1735 0
13530 2M lindeProtocol://0.0.0.0:20073 linde_gateway 31 0 0 4312 0
13531 4M lindeProtocol://0.0.0.0:20073 linde_gateway 31 0 0 12079 0
13532 4M lindeProtocol://0.0.0.0:20073 linde_gateway 31 0 0 6929 0
13533 4M lindeProtocol://0.0.0.0:20073 linde_gateway 33 0 0 43721 0
13534 4M lindeProtocol://0.0.0.0:20073 linde_gateway 31 0 0 9568 0
13535 4M lindeProtocol://0.0.0.0:20073 linde_gateway 31 0 0 19957 0
13536 4M lindeProtocol://0.0.0.0:20073 linde_gateway 33 0 0 38502 0
13537 4M lindeProtocol://0.0.0.0:20073 linde_gateway 31 0 0 17961 0
13538 4M lindeProtocol://0.0.0.0:20073 linde_gateway 31 0 0 66837 0
13539 4M lindeProtocol://0.0.0.0:20073 linde_gateway 32 0 0 33455 0
13540 4M lindeProtocol://0.0.0.0:20073 linde_gateway 31 0 0 85416 0
13541 4M lindeProtocol://0.0.0.0:20073 linde_gateway 31 0 0 32825 0
13542 4M lindeProtocol://0.0.0.0:20073 linde_gateway 31 0 0 12241 0
13543 4M lindeProtocol://0.0.0.0:20073 linde_gateway 32 0 0 151696 0
13544 4M lindeProtocol://0.0.0.0:20073 linde_gateway 31 0 0 95544 0
13545 4M lindeProtocol://0.0.0.0:20073 linde_gateway 32 0 0 193222 0
13546 4M lindeProtocol://0.0.0.0:20073 linde_gateway 31 0 0 17377 0
13547 2M text://127.0.0.1:7274 internalGateway 31 0 0 1730 0
13548 2M text://127.0.0.1:7274 internalGateway 31 0 0 1730 0
13549 4M text://0.0.0.0:1410 Register 82 0 0 82 0
----------------------------------------------PROCESS STATUS---------------------------------------------------
Summary 330M - - 3291 0 0 1385605 0 客戶端維持每10秒發(fā)送一次心跳，煩請大家?guī)兔纯?/p>
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