Will using while true inside an async function cause a memory leak? #609

wpjscc · 2025-10-26T11:53:15Z

wpjscc
Oct 26, 2025

async(function () {
    while (true) {
        echo 'Hello command at ' . date('Y-m-d H:i:s') . "\n";
        //todo handle other
        delay(1);

    }
})();

wpjscc · 2025-10-26T13:35:34Z

wpjscc
Oct 26, 2025
Author

当运行上方例子时

2025-10-26T20:32:40.660875644+08:00 stdout F [2025-10-26T20:32:40.660697+08:00] daily.INFO: 🔍 Memory usage check [PeriodicTimer-async-while-true] {"current_usage_mb":2.603,"current_usage_real_mb":4.0,"peak_usage_mb":2.638,"peak_usage_real_mb":4.0,"memory_limit":"-1","memory_threshold_mb":128,"fiber_map_count":1} []
2025-10-26T20:32:40.784028741+08:00 stdout F Hello command at 2025-10-26 20:32:40
2025-10-26T20:32:41.784488614+08:00 stdout F Hello command at 2025-10-26 20:32:41
2025-10-26T20:32:42.785642307+08:00 stdout F Hello command at 2025-10-26 20:32:42
2025-10-26T20:32:43.786795024+08:00 stdout F Hello command at 2025-10-26 20:32:43
2025-10-26T20:32:44.787339357+08:00 stdout F Hello command at 2025-10-26 20:32:44
2025-10-26T20:32:45.787937116+08:00 stdout F Hello command at 2025-10-26 20:32:45
2025-10-26T20:32:46.788947737+08:00 stdout F Hello command at 2025-10-26 20:32:46
2025-10-26T20:32:47.788939153+08:00 stdout F Hello command at 2025-10-26 20:32:47
2025-10-26T20:32:48.790073693+08:00 stdout F Hello command at 2025-10-26 20:32:48
2025-10-26T20:32:49.791206272+08:00 stdout F Hello command at 2025-10-26 20:32:49
2025-10-26T20:32:50.662312523+08:00 stdout F [2025-10-26T20:32:50.662128+08:00] daily.INFO: 🔍 Memory usage check [PeriodicTimer-async-while-true] {"current_usage_mb":2.603,"current_usage_real_mb":4.0,"peak_usage_mb":2.638,"peak_usage_real_mb":4.0,"memory_limit":"-1","memory_threshold_mb":128,"fiber_map_count":1} []
2025-10-26T20:32:50.791520531+08:00 stdout F Hello command at 2025-10-26 20:32:50
2025-10-26T20:32:51.792634007+08:00 stdout F Hello command at 2025-10-26 20:32:51
2025-10-26T20:32:52.793770147+08:00 stdout F Hello command at 2025-10-26 20:32:52
2025-10-26T20:32:53.79395683+08:00 stdout F Hello command at 2025-10-26 20:32:53
2025-10-26T20:32:54.795106541+08:00 stdout F Hello command at 2025-10-26 20:32:54
2025-10-26T20:32:55.795495933+08:00 stdout F Hello command at 2025-10-26 20:32:55
2025-10-26T20:32:56.796341487+08:00 stdout F Hello command at 2025-10-26 20:32:56
2025-10-26T20:32:57.797416094+08:00 stdout F Hello command at 2025-10-26 20:32:57
2025-10-26T20:32:58.798573719+08:00 stdout F Hello command at 2025-10-26 20:32:58
2025-10-26T20:32:59.799122863+08:00 stdout F Hello command at 2025-10-26 20:32:59
2025-10-26T20:33:00.662146491+08:00 stdout F [2025-10-26T20:33:00.661954+08:00] daily.INFO: 🔍 Memory usage check [PeriodicTimer-async-while-true] {"current_usage_mb":2.604,"current_usage_real_mb":4.0,"peak_usage_mb":2.638,"peak_usage_real_mb":4.0,"memory_limit":"-1","memory_threshold_mb":128,"fiber_map_count":1} []
2025-10-26T20:33:00.800302876+08:00 stdout F Hello command at 2025-10-26 20:33:00
2025-10-26T20:33:01.800624696+08:00 stdout F Hello command at 2025-10-26 20:33:01
2025-10-26T20:33:02.80176826+08:00 stdout F Hello command at 2025-10-26 20:33:02
2025-10-26T20:33:03.802208406+08:00 stdout F Hello command at 2025-10-26 20:33:03
2025-10-26T20:33:04.80296673+08:00 stdout F Hello command at 2025-10-26 20:33:04
2025-10-26T20:33:05.803964101+08:00 stdout F Hello command at 2025-10-26 20:33:05
2025-10-26T20:33:06.804815694+08:00 stdout F Hello command at 2025-10-26 20:33:06
2025-10-26T20:33:07.805756275+08:00 stdout F Hello command at 2025-10-26 20:33:07
2025-10-26T20:33:08.80671667+08:00 stdout F Hello command at 2025-10-26 20:33:08
2025-10-26T20:33:09.807338396+08:00 stdout F Hello command at 2025-10-26 20:33:09
2025-10-26T20:33:10.662445864+08:00 stdout F [2025-10-26T20:33:10.662197+08:00] daily.INFO: 🔍 Memory usage check [PeriodicTimer-async-while-true] {"current_usage_mb":2.605,"current_usage_real_mb":4.0,"peak_usage_mb":2.638,"peak_usage_real_mb":4.0,"memory_limit":"-1","memory_threshold_mb":128,"fiber_map_count":1} []
2025-10-26T20:33:10.662462856+08:00 stdout F [2025-10-26T20:33:10.662330+08:00] daily.INFO: 🧹 Memory cleanup performed {"before_mb":4.0,"after_mb":4.0,"freed_mb":0.0,"collected_cycles":0,"memory_limit":"-1","fiber_map_count":1} []
2025-10-26T20:33:10.807684961+08:00 stdout F Hello command at 2025-10-26 20:33:10
2025-10-26T20:33:11.808424453+08:00 stdout F Hello command at 2025-10-26 20:33:11

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Will using while true inside an async function cause a memory leak? #609

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Will using while true inside an async function cause a memory leak? #609

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wpjscc Oct 26, 2025

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wpjscc Oct 26, 2025 Author

wpjscc
Oct 26, 2025

wpjscc
Oct 26, 2025
Author