{"id":12654,"date":"2025-11-02T16:19:25","date_gmt":"2025-11-02T08:19:25","guid":{"rendered":"https:\/\/www.chenqing.work\/?p=12654"},"modified":"2025-11-09T17:47:44","modified_gmt":"2025-11-09T09:47:44","slug":"%e8%af%91-jep-425-%e8%99%9a%e6%8b%9f%e7%ba%bf%e7%a8%8b%ef%bc%88%e9%a2%84%e8%a7%88%ef%bc%89%e4%b8%8a","status":"publish","type":"post","link":"https:\/\/www.chenqing.work\/?p=12654","title":{"rendered":"\u8bd1 | JEP 425: \u865a\u62df\u7ebf\u7a0b\uff08\u9884\u89c8\uff09\u4e0a"},"content":{"rendered":"\n<ul class=\"wp-block-list\">\n<li><a href=\"https:\/\/openjdk.org\/jeps\/425\" data-type=\"link\" data-id=\"https:\/\/openjdk.org\/jeps\/425\">JEP 425: Virtual Threads (Preview\uff09<\/a><\/li>\n\n\n\n<li><a href=\"https:\/\/openjdk.org\/jeps\/436\" data-type=\"link\" data-id=\"https:\/\/openjdk.org\/jeps\/436\">JEP 436: Virtual Threads (Second Preview)<\/a><\/li>\n\n\n\n<li><a href=\"https:\/\/openjdk.org\/jeps\/444\" data-type=\"link\" data-id=\"https:\/\/openjdk.org\/jeps\/444\">JEP 444: Virtual Threads<\/a><\/li>\n<\/ul>\n\n\n\n<hr class=\"wp-block-separator has-alpha-channel-opacity\"\/>\n\n\n\n<p>\u672c\u7bc7 JEP \u8d85\u957f\uff0c\u62c6\u5206\u4e3a\u4e0a\u4e2d\u4e0b 3 \u90e8\u5206\uff1a<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li>\u8bd1 | JEP 425: \u865a\u62df\u7ebf\u7a0b\uff08\u9884\u89c8\uff09\u4e0a \ud83c\udfaf<\/li>\n\n\n\n<li><a href=\"https:\/\/www.chenqing.work\/?p=12907\" data-type=\"link\" data-id=\"https:\/\/www.chenqing.work\/?p=12907\">\u8bd1 | JEP 425: \u865a\u62df\u7ebf\u7a0b\uff08\u9884\u89c8\uff09\u4e2d<\/a><\/li>\n\n\n\n<li>\u8bd1 | JEP 425: \u865a\u62df\u7ebf\u7a0b\uff08\u9884\u89c8\uff09\u4e0b<\/li>\n<\/ul>\n\n\n\n<h2 class=\"wp-block-heading\">\u6458\u8981<\/h2>\n\n\n\n<p>\u5728 Java \u5e73\u53f0\u4e2d\u5f15\u5165\u865a\u62df\u7ebf\u7a0b\u3002\u865a\u62df\u7ebf\u7a0b\u662f\u8f7b\u91cf\u7ea7\u7684\u7ebf\u7a0b\uff0c\u80fd\u591f\u6781\u5927\u51cf\u5c11\u7f16\u5199\u3001\u7ef4\u62a4\u3001\u76d1\u63a7\u9ad8\u541e\u5410\u91cf\u5e94\u7528\u7684\u8270\u8f9b\u3002\u8fd9\u662f\u4e00\u4e2a<a href=\"https:\/\/openjdk.org\/jeps\/12\" data-type=\"link\" data-id=\"https:\/\/openjdk.org\/jeps\/12\">\u9884\u89c8 API<\/a>\u3002<\/p>\n\n\n\n<h2 class=\"wp-block-heading\">\u76ee\u6807<\/h2>\n\n\n\n<ul class=\"wp-block-list\">\n<li>\u652f\u6301\u670d\u52a1\u7aef\u7a0b\u5e8f\u4ee5\u7b80\u5355\u7684\u4e00\u8bf7\u6c42\u4e00\u7ebf\u7a0b\u98ce\u683c\u7f16\u5199\u7a0b\u5e8f\uff0c\u4ee5\u6700\u5927\u7a0b\u5ea6\u5229\u7528\u786c\u4ef6\u3002<\/li>\n\n\n\n<li>\u652f\u6301\u4f7f\u7528 java.lang.Thread API \u7684\u5b58\u91cf\u4ee3\u7801\u901a\u8fc7\u6700\u5c0f\u6539\u52a8\u5c31\u80fd\u7528\u4e0a\u865a\u62df\u7ebf\u7a0b\u3002<\/li>\n\n\n\n<li>\u652f\u6301\u4f7f\u7528\u73b0\u6709 JDK \u5de5\u5177\u65b9\u4fbf\u5730\u8fdb\u884c\u6545\u969c\u6392\u9519\u3001\u8c03\u8bd5\u3001\u5206\u6790\u865a\u62df\u7ebf\u7a0b\u3002<\/li>\n<\/ul>\n\n\n\n<h2 class=\"wp-block-heading\">\u975e\u76ee\u6807<\/h2>\n\n\n\n<ul class=\"wp-block-list\">\n<li>\u4e0d\u662f\u8981\u79fb\u9664\u4e4b\u524d\u7684\u7ebf\u7a0b\u5b9e\u73b0\uff0c\u6216\u8005\u9759\u9ed8\u65b9\u5f0f\u5c06\u73b0\u6709\u5e94\u7528\u5207\u6362\u5230\u865a\u62df\u7ebf\u7a0b\u65b9\u5f0f\u3002<\/li>\n\n\n\n<li>\u4e0d\u662f\u8981\u6539\u53d8 Java \u7684\u57fa\u7840\u5e76\u53d1\u6a21\u578b\u3002<\/li>\n\n\n\n<li>\u4e0d\u662f\u8981\u4e3a Java \u8bed\u8a00\u6216 Java \u5e93\u63d0\u4f9b\u4e00\u79cd\u65b0\u7684\u6570\u636e\u5e76\u884c\u7ed3\u6784\u3002<a href=\"https:\/\/docs.oracle.com\/en\/java\/javase\/18\/docs\/api\/java.base\/java\/util\/stream\/package-summary.html\" data-type=\"link\" data-id=\"https:\/\/docs.oracle.com\/en\/java\/javase\/18\/docs\/api\/java.base\/java\/util\/stream\/package-summary.html\">Stream API<\/a> \u4ecd\u7136\u662f\u5e76\u884c\u5904\u7406\u5927\u6570\u636e\u96c6\u7684\u9996\u9009\u65b9\u5f0f\u3002<\/li>\n<\/ul>\n\n\n\n<h2 class=\"wp-block-heading\">\u52a8\u673a<\/h2>\n\n\n\n<p>\u4e09\u5341\u51e0\u5e74\u6765\uff0cJava \u5f00\u53d1\u8005\u4f9d\u8d56\u4e8e\u7ebf\u7a0b\u6784\u5efa\u5e76\u53d1\u670d\u52a1\u5668\u5e94\u7528\u3002\u6bcf\u4e2a\u65b9\u6cd5\u91cc\u7684\u6bcf\u4e00\u884c\u8bed\u53e5\u90fd\u8fd0\u884c\u5728\u4e00\u4e2a\u7ebf\u7a0b\u91cc\uff0c\u540c\u65f6\u56e0\u4e3a Java \u662f\u591a\u7ebf\u7a0b\u7684\uff0c\u540c\u4e00\u65f6\u95f4\u652f\u6301\u591a\u4e2a\u7ebf\u7a0b\u6267\u884c\u3002\u7ebf\u7a0b\u662f Java \u5e76\u53d1\u6027\u7684\u57fa\u672c\u5355\u5143\uff1a\u987a\u5e8f\u4ee3\u7801\u7684\u4e00\u5c0f\u5757\u548c\u5176\u4ed6\u8fd9\u6837\u2014\u2014\u5f88\u5927\u7a0b\u5ea6\u4e0a\u76f8\u4e92\u72ec\u7acb\uff0c\u7684\u5c0f\u5757\u5e76\u53d1\u6267\u884c\u3002\u6bcf\u4e00\u4e2a\u7ebf\u7a0b\u63d0\u4f9b\u4e86\u4e00\u4e2a\u6808\u6765\u5b58\u50a8\u672c\u5730\u53d8\u91cf\u548c\u534f\u8c03\u65b9\u6cd5\u8c03\u7528\uff0c\u4ee5\u53ca\u51fa\u95ee\u9898\u65f6\u5019\u7684\u4e0a\u4e0b\u6587\uff1a\u5f02\u5e38\u88ab\u540c\u4e00\u4e2a\u7ebf\u7a0b\u91cc\u7684\u65b9\u6cd5\u629b\u51fa\u548c\u6355\u83b7\uff0c\u6240\u4ee5\u5f00\u53d1\u8005\u53ef\u4ee5\u4f7f\u7528\u540c\u4e00\u4e2a\u7ebf\u7a0b\u5806\u6808\u53bb\u641e\u6e05\u695a\u53d1\u751f\u4e86\u4ec0\u4e48\u3002\u7ebf\u7a0b\u540c\u6837\u662f\u5de5\u5177\u7684\u4e2d\u5fc3\u6982\u5ff5\uff1a\u8c03\u8bd5\u5668\u6b65\u8fdb\u4e00\u4e2a\u7ebf\u7a0b\u91cc\u7684\u65b9\u6cd5\u8bed\u53e5\uff0c\u5206\u6790\u5668\u53ef\u89c6\u5316\u591a\u7ebf\u7a0b\u884c\u4e3a\u4ee5\u5e2e\u52a9\u7406\u89e3\u5b83\u4eec\u7684\u6027\u80fd\u3002<\/p>\n\n\n\n<p><em><strong>\u4e00\u8bf7\u6c42\u4e00\u7ebf\u7a0b\u6a21\u5f0f<\/strong><\/em><\/p>\n\n\n\n<p>\u670d\u52a1\u5668\u5e94\u7528\u901a\u5e38\u9700\u8981\u5904\u7406\u4e92\u4e0d\u76f8\u5e72\u7684\u5e76\u53d1\u7528\u6237\u8bf7\u6c42\uff0c\u6240\u4ee5\u4e3a\u4e00\u4e2a\u8bf7\u6c42\u5206\u6d3e\u4e00\u4e2a\u7ebf\u7a0b\u6765\u5904\u7406\u6574\u4e2a\u751f\u547d\u5468\u671f\u662f\u6709\u610f\u4e49\u7684\u3002\u8fd9\u6837\u4e00\u8bf7\u6c42\u4e00\u7ebf\u7a0b\u7684\u6a21\u5f0f\u597d\u7406\u89e3\u3001\u597d\u7f16\u5199\u3001\u597d\u8c03\u8bd5\u3001\u597d\u5206\u6790\uff0c\u56e0\u4e3a\u4f7f\u7528\u4e86\u5e73\u53f0\u7684\u5e76\u53d1\u5355\u5143\u6765\u8868\u8fbe\u5e94\u7528\u7684\u5e76\u53d1\u5355\u5143\u3002<\/p>\n\n\n\n<p>\u670d\u52a1\u5668\u5e94\u7528\u7684\u53ef\u6269\u5c55\u6027\u53d7\u5230\u5229\u7279\u5c14\u6cd5\u5219\u7684\u7ea6\u675f\uff0c\u548c\u5ef6\u8fdf\u3001\u5e76\u53d1\u3001\u541e\u5410\u91cf\u76f8\u5173\uff1a\u7ed9\u5b9a\u8bf7\u6c42\u5904\u7406\u65f6\u95f4\uff08\u5373 \u5ef6\u8fdf\uff09\uff0c\u540c\u4e00\u65f6\u95f4\u5904\u7406\u7684\u8bf7\u6c42\u6570\u91cf\uff08\u5373 \u5e76\u53d1\uff09\u5fc5\u987b\u548c\u5230\u8fbe\u901f\u7387\u540c\u6bd4\u4f8b\u589e\u957f\uff08\u5373\u541e\u5410\u91cf\uff09\u3002\u4f8b\u5982\uff0c\u4e00\u4e2a\u5e73\u5747\u5ef6\u8fdf\u4e3a 50ms \u7684\u5e94\u7528\uff0c\u901a\u8fc7\u5e76\u53d1\u5904\u7406 10 \u4e2a\u8bf7\u6c42\uff0c\u80fd\u8fbe\u5230 1 \u5206\u949f\u5904\u7406 200 \u4e2a\u8bf7\u6c42\u7684\u541e\u5410\u91cf\u3002\u4e3a\u4e86\u6269\u5c55\u5230\u6bcf\u79d2 2000 \u4e2a\u8bf7\u6c42\u7684\u541e\u5410\u91cf\uff0c\u9700\u8981\u80fd\u5e76\u53d1\u5904\u7406 100 \u4e2a\u8bf7\u6c42\u3002\u5982\u679c\u6bcf\u4e2a\u8bf7\u6c42\u5168\u7a0b\u90fd\u7531\u4e00\u4e2a\u7ebf\u7a0b\u5904\u7406\uff0c\u4e3a\u4e86\u4fdd\u6301\u5e94\u7528\u6b63\u5e38\u8fd0\u884c\uff0c\u5f53\u541e\u5410\u91cf\u4e0a\u5347\u65f6\uff0c\u7ebf\u7a0b\u6570\u91cf\u4e5f\u5fc5\u987b\u968f\u4e4b\u4e0a\u5347\u3002<\/p>\n\n\n\n<p>\u4e0d\u5e78\u7684\u662f\uff0c\u53ef\u7528\u7ebf\u7a0b\u6570\u91cf\u662f\u6709\u9650\u7684\uff0c\u56e0\u4e3a JDK \u662f\u901a\u8fc7\u5305\u88c5\u64cd\u4f5c\u7cfb\u7edf\u7ebf\u7a0b\u6765\u5b9e\u73b0\u7684\u7ebf\u7a0b\u3002\u64cd\u4f5c\u7cfb\u7edf\u7ebf\u7a0b\u662f\u6602\u8d35\u7684\uff0c\u6240\u4ee5\u6ca1\u6709\u592a\u591a\uff0c\u6240\u4ee5\u4e0d\u9002\u5e94\u4e00\u8bf7\u6c42\u4e00\u7ebf\u7a0b\u6a21\u5f0f\u3002\u5982\u679c\u4e00\u4e2a\u8bf7\u6c42\u7684\u751f\u547d\u5468\u671f\u5c31\u6d88\u8017\u4e00\u4e2a\u7ebf\u7a0b\uff0c\u751a\u81f3\u662f\u4e00\u4e2a\u64cd\u4f5c\u7cfb\u7edf\u7ebf\u7a0b\uff0c\u7ebf\u7a0b\u6570\u91cf\u4f1a\u8fdc\u65e9\u4e8e CPU\u3001\u7f51\u7edc\u8fde\u63a5\u7b49\u8d44\u6e90\u88ab\u8017\u5c3d\u800c\u6210\u4e3a\u74f6\u9888\u3002JDK \u7ebf\u7a0b\u7684\u5f53\u524d\u5b9e\u73b0\u5236\u7ea6\u4e86\u5e94\u7528\u541e\u5410\u91cf\u4e0a\u9650\uff0c\u8be5\u4e0a\u9650\u660e\u663e\u4f4e\u4e8e\u786c\u4ef6\u53ef\u4ee5\u652f\u6491\u7684\u6c34\u5e73\u3002\u5373\u4f7f\u628a\u7ebf\u7a0b\u6c60\u5316\uff0c\u4e5f\u4f9d\u7136\u6709\u8fd9\u6837\u7684\u95ee\u9898\uff0c\u56e0\u4e3a\u6c60\u5316\u80fd\u5e2e\u52a9\u907f\u5f00\u65b0\u5efa\u4e00\u4e2a\u7ebf\u7a0b\u7684\u6602\u8d35\u5f00\u9500\uff0c\u4f46\u662f\u4e0d\u80fd\u63d0\u4ea4\u7ebf\u7a0b\u7684\u603b\u6570\u3002<\/p>\n\n\n\n<p><em><strong>\u4f7f\u7528\u5f02\u6b65\u6a21\u5f0f\u63d0\u5347\u53ef\u6269\u5c55\u6027<\/strong><\/em><\/p>\n\n\n\n<p>\u4e00\u4e9b\u5f00\u53d1\u8005\u5e0c\u671b\u628a\u786c\u4ef6\u7269\u5c3d\u5176\u7528\uff0c\u653e\u5f03\u4e86\u4e00\u8bf7\u6c42\u4e00\u7ebf\u7a0b\u6a21\u5f0f\uff0c\u8f6c\u800c\u62e5\u62b1\u7ebf\u7a0b\u5171\u4eab\u6a21\u5f0f\u3002\u4e0d\u540c\u4e8e\u8bf7\u6c42\u4ece\u751f\u5230\u6b7b\u90fd\u7531\u4e00\u4e2a\u7ebf\u7a0b\u8d1f\u8d23\uff0c\u5f53\u7b49\u5f85 I\/O \u5b8c\u6210\u65f6\uff0c\u5904\u7406\u8bf7\u6c42\u7684\u4ee3\u7801\u628a\u7ebf\u7a0b\u8fd8\u7ed9\u7ebf\u7a0b\u6c60\uff0c\u4ee5\u4fbf\u8be5\u7ebf\u7a0b\u670d\u52a1\u5176\u4ed6\u8bf7\u6c42\u3002\u8fd9\u79cd\u7ec6\u7c92\u5ea6\u7684\u7ebf\u7a0b\u5171\u4eab \u2014\u2014 \u5f53\u4ee3\u7801\u8fdb\u884c\u8ba1\u7b97\u65f6\u6301\u6709\u7ebf\u7a0b\uff0c\u7b49\u5f85 I\/O \u65f6\u5219\u4e0d\u6301\u6709 \u2014\u2014 \u652f\u6301\u5927\u91cf\u5e76\u53d1\u64cd\u4f5c\u800c\u4e0d\u6d88\u8017\u5927\u91cf\u7ebf\u7a0b\u3002\u5c3d\u7ba1\u8fd9\u6837\u79fb\u9664\u4e86\u56e0\u4e3a\u64cd\u4f5c\u7cfb\u7edf\u7ebf\u7a0b\u7a00\u7f3a\u5bf9\u541e\u5410\u91cf\u7684\u9650\u5236\uff0c\u5374\u4e5f\u9700\u8981\u4ed8\u51fa\u9ad8\u6602\u7684\u4ee3\u4ef7\uff1a\u8981\u6c42\u4f7f\u7528\u5f02\u6b65\u7f16\u7a0b\u6a21\u5f0f\uff0c\u4f7f\u7528\u4e00\u4e2a\u72ec\u7acb\u7684 I\/O \u65b9\u6cd5\u96c6\uff0c\u5b83\u4e0d\u7528\u7b49\u5f85 I\/O \u64cd\u4f5c\u5b8c\u6bd5\uff0c\u800c\u662f\u7a0d\u540e\uff0cI\/O \u64cd\u4f5c\u5b8c\u6bd5\u540e\u8c03\u7528\u56de\u8c03\u63a5\u53e3\u3002\u6ca1\u6709\u4e86\u4e13\u7528\u7ebf\u7a0b\uff0c\u5f00\u53d1\u8005\u5fc5\u987b\u5c06\u8bf7\u6c42\u5904\u7406\u903b\u8f91\u6253\u788e\u4e3a\u591a\u4e2a\u5c0f\u9636\u6bb5\uff0c\u901a\u5e38\u5199\u4f5c lambda \u8868\u8fbe\u5f0f\uff0c\u7136\u540e\u4f7f\u7528\u4e00\u4e2a API \u5c06\u5b83\u4eec\u7ec4\u88c5\u5230\u4e00\u6761\u987a\u5e8f\u7ba1\u9053\uff08\u5982 <a href=\"https:\/\/docs.oracle.com\/en\/java\/javase\/18\/docs\/api\/java.base\/java\/util\/concurrent\/CompletableFuture.html\" data-type=\"link\" data-id=\"https:\/\/docs.oracle.com\/en\/java\/javase\/18\/docs\/api\/java.base\/java\/util\/concurrent\/CompletableFuture.html\">CompletableFuture<\/a>\uff0c\u6216\u6240\u8c13\u7684\u300c\u54cd\u5e94\u5f0f\u300d\u6846\u67b6\uff09\u3002\u5b83\u4eec\u56e0\u6b64\u629b\u5f03\u4e86\u8bed\u8a00\u5c42\u9762\u7684\u987a\u5e8f\u7ec4\u88c5\u64cd\u4f5c\u7b26\uff0c\u5982 \u5faa\u73af\u548c try\/catch \u5757\u3002<\/p>\n\n\n\n<p>\u5728\u5f02\u6b65\u6a21\u5f0f\u91cc\uff0c\u8bf7\u6c42\u7684\u6bcf\u4e2a\u9636\u6bb5\u90fd\u53ef\u80fd\u662f\u5728\u4e0d\u540c\u7684\u7ebf\u7a0b\u91cc\u6267\u884c\uff0c\u540c\u65f6\u6bcf\u4e2a\u7ebf\u7a0b\u4f1a\u4ea4\u9519\u5730\u6267\u884c\u5c5e\u4e8e\u4e0d\u540c\u8bf7\u6c42\u7684\u9636\u6bb5\u3002\u8fd9\u5bf9\u7406\u89e3\u7a0b\u5e8f\u884c\u4e3a\u4ea7\u751f\u4e86\u6df1\u523b\u7684\u5f71\u54cd\uff1a\u5806\u6808\u65e0\u6cd5\u63d0\u4f9b\u6709\u7528\u7684\u4e0a\u4e0b\u6587\uff0c\u8c03\u8bd5\u5668\u65e0\u6cd5\u6b65\u8fdb\u8bf7\u6c42\u5904\u7406\u903b\u8f91\uff0c\u5206\u6790\u5668\u65e0\u6cd5\u5c06\u64cd\u4f5c\u4ee3\u4ef7\u5f52\u5c5e\u5230\u8c03\u7528\u65b9\u3002\u5f53\u4f7f\u7528 <a href=\"https:\/\/docs.oracle.com\/en\/java\/javase\/18\/docs\/api\/java.base\/java\/util\/stream\/package-summary.html\" data-type=\"link\" data-id=\"https:\/\/docs.oracle.com\/en\/java\/javase\/18\/docs\/api\/java.base\/java\/util\/stream\/package-summary.html\">stream API <\/a>\u5728\u4e00\u4e2a\u77ed\u7ba1\u9053\u91cc\u7ec4\u5408 lambda \u8868\u8fbe\u5f0f\u65f6\u662f\u53ef\u63a7\u7684\uff0c\u4f46\u5f53\u4e00\u4e2a\u5e94\u7528\u91cc\u6240\u6709\u7684\u8bf7\u6c42\u5904\u7406\u4ee3\u7801\u90fd\u5fc5\u987b\u4ee5\u8fd9\u79cd\u65b9\u5f0f\u4e66\u5199\u65f6\u5c31\u6709\u95ee\u9898\u3002\u8fd9\u79cd\u7f16\u7a0b\u65b9\u5f0f\u4e0d\u5339\u914d Java \u5e73\u53f0\uff0c\u56e0\u4e3a\u5e94\u7528\u7684\u5e76\u53d1\u5355\u5143 \u2014\u2014 \u5f02\u6b65\u7ba1\u9053 \u2014\u2014 \u4e0d\u518d\u662f\u5e73\u53f0\u7684\u5e76\u53d1\u5355\u5143\u3002<\/p>\n\n\n\n<p><strong><em>\u901a\u8fc7\u865a\u62df\u7ebf\u7a0b\u4fdd\u7559\u4e00\u8bf7\u6c42\u4e00\u7ebf\u7a0b\u6a21\u5f0f<\/em><\/strong><\/p>\n\n\n\n<p>\u4e3a\u4e86\u652f\u6301\u5e94\u7528\u6269\u5c55\u7684\u540c\u65f6\u548c\u5e73\u53f0\u4fdd\u6301\u534f\u8c03\u4e00\u81f4\uff0c\u9700\u8981\u52aa\u529b\u4fdd\u7559\u4e00\u8bf7\u6c42\u4e00\u7ebf\u7a0b\u6a21\u5f0f\uff0c\u901a\u8fc7\u66f4\u9ad8\u6548\u7684\u7ebf\u7a0b\u5b9e\u73b0\u4f7f\u5f97\u7ebf\u7a0b\u66f4\u5145\u8db3\u3002\u64cd\u4f5c\u7cfb\u7edf\u7ebf\u7a0b\u4e0d\u80fd\u505a\u5f97\u66f4\u9ad8\u6548\uff0c\u56e0\u4e3a\u4e0d\u540c\u7684\u8bed\u8a00\u548c\u8fd0\u884c\u65f6\u4f7f\u7528\u7ebf\u7a0b\u6808\u7684\u65b9\u5f0f\u662f\u4e0d\u540c\u7684\u3002\u4f46\u662f\uff0cJava \u8fd0\u884c\u65f6\u53ef\u4ee5\u901a\u8fc7\u6253\u7834\u548c\u64cd\u4f5c\u7cfb\u7edf\u7ebf\u7a0b\u4e00\u4e00\u5bf9\u5e94\u7684\u65b9\u5f0f\u6765\u5b9e\u73b0\u7ebf\u7a0b\u3002\u5c31\u50cf\u64cd\u4f5c\u7cfb\u7edf\u901a\u8fc7\u865a\u62df\u5730\u5740\u7a7a\u95f4\u6765\u5c4f\u853d\u5e95\u5c42\u6709\u9650\u7684\u7269\u7406\u5185\u5b58\uff0c\u8425\u9020\u51fa\u5185\u5b58\u5145\u8db3\u7684\u5e7b\u89c9\u4e00\u6837\uff0cJava \u8fd0\u884c\u65f6\u4e5f\u53ef\u4ee5\u901a\u8fc7\u628a\u5927\u91cf\u7684\u865a\u62df\u7ebf\u7a0b\u6620\u5c04\u5230\u5c11\u91cf\u7684\u64cd\u4f5c\u7cfb\u7edf\u7ebf\u7a0b\u4e0a\uff0c\u6765\u8425\u9020\u51fa\u4e00\u79cd\u7ebf\u7a0b\u5145\u8db3\u7684\u5e7b\u89c9\u3002<\/p>\n\n\n\n<p>\u4e00\u4e2a\u865a\u62df\u7ebf\u7a0b\u662f java.lang.Thread \u7684\u4e00\u4e2a\u5b9e\u4f8b\uff0c\u4e0d\u4f1a\u7ed1\u5b9a\u5230\u4e00\u4e2a\u7279\u5b9a\u7684\u64cd\u4f5c\u7cfb\u7edf\u7ebf\u7a0b\u3002\u4e00\u4e2a\u5e73\u53f0\u7ebf\u7a0b\uff0c\u4e0e\u4e4b\u76f8\u5bf9\uff0c\u662f\u6309\u4f20\u7edf\u65b9\u5f0f\u5b9e\u73b0\u7684 java.lang.Thread \u7684\u5b9e\u4f8b\uff0c\u662f\u64cd\u4f5c\u7cfb\u7edf\u7ebf\u7a0b\u7684\u4e00\u4e2a\u8f7b\u91cf\u7ea7\u5305\u88c5\u3002<\/p>\n\n\n\n<p>\u5728\u8bf7\u6c42\u7684\u751f\u547d\u5468\u671f\u5185\uff0c\u4e00\u8bf7\u6c42\u4e00\u7ebf\u7a0b\u6a21\u5f0f\u7684\u5e94\u7528\u4ee3\u7801\u53ef\u4ee5\u5168\u7a0b\u8fd0\u884c\u5728\u4e00\u4e2a\u865a\u62df\u7ebf\u7a0b\u4e2d\uff0c\u53ea\u6709\u5728\u6267\u884c CPU \u8ba1\u7b97\u65f6\uff0c\u865a\u62df\u7ebf\u7a0b\u624d\u6d88\u8017\u64cd\u4f5c\u7cfb\u7edf\u7ebf\u7a0b\u3002\u6548\u679c\u548c\u5f02\u6b65\u6a21\u5f0f\u4e00\u6837\uff0c\u53ea\u4e0d\u8fc7\u865a\u62df\u7ebf\u7a0b\u662f\u900f\u660e\u5b9e\u73b0\u7684\uff1a\u5f53\u8fd0\u884c\u5728\u865a\u62df\u7ebf\u7a0b\u4e2d\u7684\u4ee3\u7801\u7528 java.* \u91cc\u7684 API \u53d1\u8d77\u4e00\u4e2a\u963b\u585e I\/O \u64cd\u4f5c\u65f6\uff0c \u8fd0\u884c\u65f6\u6267\u884c\u4e00\u4e2a\u975e\u963b\u585e\u7684\u64cd\u4f5c\u7cfb\u7edf\u8c03\u7528\uff0c\u540c\u65f6\u81ea\u52a8\u6302\u8d77\u865a\u62df\u7ebf\u7a0b\u76f4\u5230\u53ef\u4ee5\u88ab\u6062\u590d\u3002\u5bf9 Java \u5f00\u53d1\u8005\u6765\u8bf4\uff0c\u865a\u62df\u7ebf\u7a0b\u662f\u7b80\u5355\u7684\uff0c\u53ef\u4ee5\u5ec9\u4ef7\u521b\u5efa\uff0c\u8fd1\u4e4e\u65e0\u9650\u3002\u786c\u4ef6\u5229\u7528\u7387\u63a5\u8fd1\u6781\u9650\uff0c\u53ef\u4ee5\u652f\u6491\u66f4\u9ad8\u7684\u5e76\u53d1\uff0c\u76f8\u5e94\u5730\u5e26\u6765\u66f4\u9ad8\u7684\u541e\u5410\u91cf\uff0c\u540c\u65f6\u5e94\u7528\u4e5f\u53ef\u4ee5\u548c Java \u5e73\u53f0\u53ca\u5de5\u5177\u4fdd\u6301\u534f\u8c03\u3002<\/p>\n\n\n\n<p><strong><em>\u865a\u62df\u7ebf\u7a0b\u7684\u5f71\u54cd<\/em><\/strong><\/p>\n\n\n\n<p>\u865a\u62df\u7ebf\u7a0b\u662f\u5ec9\u4ef7\u548c\u5145\u8db3\u7684\uff0c\u56e0\u6b64\u6c38\u8fdc\u4e0d\u5e94\u8be5\u6c60\u5316\uff1a\u6bcf\u4e2a\u4efb\u52a1\u90fd\u5e94\u8be5\u65b0\u5efa\u4e00\u4e2a\u865a\u62df\u7ebf\u7a0b\u3002\u5927\u90e8\u5206\u865a\u62df\u7ebf\u7a0b\u5c06\u662f\u77ed\u547d\u7684\uff0c\u8c03\u7528\u6808\u4e5f\u5f88\u77ed\uff0c\u5c31\u50cf\u4e00\u4e2a HTTP \u5ba2\u6237\u7aef\u8c03\u7528\u6216\u4e00\u6b21 JDBC \u67e5\u8be2\u3002\u5e73\u53f0\u7ebf\u7a0b\uff0c\u76f8\u5bf9\u800c\u8a00\uff0c\u7b28\u91cd\u800c\u6602\u8d35\uff0c\u56e0\u6b64\u5fc5\u987b\u6c60\u5316\u3002\u5e73\u53f0\u7ebf\u7a0b\u4e00\u822c\u751f\u547d\u5468\u671f\u957f\uff0c\u6709\u5f88\u6df1\u7684\u8c03\u7528\u6808\uff0c\u88ab\u591a\u4e2a\u4efb\u52a1\u5171\u4eab\u3002<\/p>\n\n\n\n<p>\u603b\u7684\u6765\u8bf4\uff0c\u865a\u62df\u7ebf\u7a0b\u4fdd\u7559\u4e86\u4e00\u8bf7\u6c42\u4e00\u7ebf\u7a0b\u6a21\u5f0f\uff0c\u5728\u548c Java \u5e73\u53f0\u8bbe\u8ba1\u534f\u8c03\u7684\u540c\u65f6\uff0c\u63d0\u5347\u4e86\u786c\u4ef6\u5229\u7528\u7387\u3002\u4f7f\u7528\u865a\u62df\u7ebf\u7a0b\u4e0d\u9700\u8981\u5b66\u4e60\u65b0\u6982\u5ff5\uff0c\u5c3d\u7ba1\u53ef\u80fd\u8981\u6c42\u4e0d\u8981\u53bb\u5b66\u5f53\u524d\u5e94\u5bf9\u6602\u9ad8\u7ebf\u7a0b\u800c\u53d1\u5c55\u51fa\u7684\u7f16\u7a0b\u5b9e\u8df5\u3002\u865a\u62df\u7ebf\u7a0b\u4e0d\u4ec5\u80fd\u5e2e\u52a9\u5e94\u7528\u5f00\u53d1\u8005 \u2014\u2014 \u4e5f\u80fd\u5e2e\u52a9\u6846\u67b6\u8bbe\u8ba1\u8005\u63d0\u4f9b\u66f4\u6613\u7528\u7684 API\uff0c\u4e0d\u9700\u8981\u5728\u53ef\u6269\u5c55\u6027\u4e0a\u505a\u6298\u8877\u800c\u80fd\u517c\u5bb9\u5f53\u524d\u5e73\u53f0\u8bbe\u8ba1\u3002<\/p>\n\n\n\n<h2 class=\"wp-block-heading\">\u63cf\u8ff0<\/h2>\n\n\n\n<p>\u4eca\u5929\uff0cJDK \u4e2d java.lang.Thread \u7684\u6bcf\u4e2a\u5b9e\u4f8b\u90fd\u662f\u4e00\u4e2a\u5e73\u53f0\u7ebf\u7a0b\u3002\u5e73\u53f0\u7ebf\u7a0b\u4f7f\u7528\u5e95\u5c42\u7684\u64cd\u4f5c\u7cfb\u7edf\u7ebf\u7a0b\u8fd0\u884c Java \u4ee3\u7801\uff0c\u4ee3\u7801\u7684\u6574\u4e2a\u751f\u547d\u5468\u671f\u5185\u90fd\u8981\u5360\u7528\u64cd\u4f5c\u7cfb\u7edf\u7ebf\u7a0b\u3002\u5e73\u53f0\u7ebf\u7a0b\u6570\u91cf\u53d7\u9650\u4e8e\u64cd\u4f5c\u7cfb\u7edf\u7ebf\u7a0b\u6570\u91cf\u3002<\/p>\n\n\n\n<p>\u4e00\u4e2a\u865a\u62df\u7ebf\u7a0b\u5c31\u662f\u4e00\u4e2a java.lang.Thread \u7c7b\u5b9e\u4f8b\uff0c\u5728\u5e95\u5c42\u64cd\u4f5c\u7cfb\u7edf\u7ebf\u7a0b\u4e0a\u8fd0\u884c Java \u4ee3\u7801\uff0c\u4f46\u5e76\u4e0d\u662f\u5728\u4ee3\u7801\u7684\u5168\u751f\u547d\u5468\u671f\u90fd\u5360\u7528\u64cd\u4f5c\u7cfb\u7edf\u7ebf\u7a0b\u3002\u8fd9\u610f\u5473\u7740\u591a\u4e2a\u865a\u62df\u7ebf\u7a0b\u53ef\u4ee5\u5c06\u5404\u81ea\u7684 Java \u4ee3\u7801\u90fd\u8fd0\u884c\u5728\u540c\u4e00\u4e2a\u64cd\u4f5c\u7cfb\u7edf\u7ebf\u7a0b\u4e0a\uff0c\u66f4\u9ad8\u6548\u5730\u5171\u4eab\u64cd\u4f5c\u7cfb\u7edf\u7ebf\u7a0b\u3002\u5e73\u53f0\u7ebf\u7a0b\u9700\u8981\u5784\u65ad\u73cd\u8d35\u7684\u64cd\u4f5c\u7cfb\u7edf\u7ebf\u7a0b\uff0c\u800c\u865a\u62df\u7ebf\u7a0b\u5219\u5145\u6ee1\u4e86\u5171\u4eab\u7cbe\u795e\u3002\u865a\u62df\u7ebf\u7a0b\u6570\u91cf\u53ef\u4ee5\u5927\u5927\u8d85\u8fc7\u64cd\u4f5c\u7cfb\u7edf\u7ebf\u7a0b\u6570\u3002<\/p>\n\n\n\n<p>\u865a\u62df\u7ebf\u7a0b\u662f\u7ebf\u7a0b\u7684\u8f7b\u91cf\u7ea7\u5b9e\u73b0\uff0c\u7531 JDK \u63d0\u4f9b\u7684\u800c\u975e\u64cd\u4f5c\u7cfb\u7edf\u3002\u865a\u62df\u7ebf\u7a0b\u662f\u7528\u6237\u6001\u7ebf\u7a0b\u7684\u4e00\u79cd\u6a21\u5f0f\uff0c\u5df2\u7ecf\u5728\u5176\u4ed6\u591a\u7ebf\u7a0b\u8bed\u8a00\u4e2d\u83b7\u5f97\u6210\u529f\uff08\u5982 Go \u4e2d\u7684 goroutines \u548c Erlang \u4e2d\u7684 processes\uff09\u3002\u7528\u6237\u6001\u7ebf\u7a0b\u5728\u65e9\u671f Java \u7248\u672c\u4e2d\u751a\u81f3\u88ab\u6807\u8bb0\u4e3a\u6240\u8c13\u7684\u201c\u7eff\u8272\u7ebf\u7a0b\u201d\uff0c\u90a3\u65f6\u64cd\u4f5c\u7cfb\u7edf\u7ebf\u7a0b\u8fd8\u672a\u6210\u719f\u548c\u88ab\u5e7f\u6cdb\u4f7f\u7528\u3002\u4f46\u662f\uff0c\u6240\u6709\u7684 Java \u7eff\u8272\u7ebf\u7a0b\u90fd\u5171\u4eab\u540c\u4e00\u4e2a\u64cd\u4f5c\u7cfb\u7edf\u7ebf\u7a0b\uff08M:1 \u8c03\u5ea6\uff09\uff0c\u6700\u7ec8\u5728\u6027\u80fd\u4e0a\u88ab\u5e73\u53f0\u7ebf\u7a0b\uff08\u64cd\u4f5c\u7cfb\u7edf\u7ebf\u7a0b\u7684\u5305\u88c5\uff0c1:1 \u8c03\u5ea6\uff09\u8d85\u8d8a\u3002\u865a\u62df\u7ebf\u7a0b\u91c7\u7528 M:N \u8c03\u5ea6\uff0c\u5927\u91cf\uff08M\uff09\u7684\u865a\u62df\u7ebf\u7a0b\u88ab\u8c03\u5ea6\u5230\u5c11\u91cf\uff08N\uff09\u7684\u64cd\u4f5c\u7cfb\u7edf\u7ebf\u7a0b\u4e0a\u3002<\/p>\n\n\n\n<p><strong><em>\u865a\u62df\u7ebf\u7a0b vs \u5e73\u53f0\u7ebf\u7a0b<\/em><\/strong><\/p>\n\n\n\n<p>\u5f00\u53d1\u8005\u53ef\u4ee5\u9009\u62e9\u4f7f\u7528\u865a\u62df\u7ebf\u7a0b\u6216\u5e73\u53f0\u7ebf\u7a0b\u3002\u4e0b\u9762\u662f\u4e00\u4e2a\u6837\u4f8b\u7a0b\u5e8f\uff0c\u5176\u4e2d\u521b\u5efa\u4e86\u5927\u91cf\u7684\u865a\u62df\u7ebf\u7a0b\u3002\u9996\u5148\u83b7\u53d6\u4e00\u4e2a ExecutorService \u7528\u6765\u4e3a\u6bcf\u4e2a\u63d0\u4ea4\u4efb\u52a1\u521b\u5efa\u4e00\u4e2a\u65b0\u7684\u865a\u62df\u7ebf\u7a0b\u3002\u63a5\u4e0b\u6765\u63d0\u4ea4 10000 \u4e2a\u4efb\u52a1\u5e76\u7b49\u5f85\u5168\u90e8\u6267\u884c\u5b8c\u6bd5\uff1a<\/p>\n\n\n<div class=\"wp-block-syntaxhighlighter-code \"><pre class=\"brush: java; title: ; notranslate\" title=\"\">\ntry (var executor = Executors.newVirtualThreadPerTaskExecutor()) {\n    IntStream.range(0, 10_000).forEach(i -&gt; {\n        executor.submit(() -&gt; {\n            Thread.sleep(Duration.ofSeconds(1));\n            return i;\n        });\n    });\n}    \/\/ executor.close() \u4f1a\u88ab\u9690\u5f0f\u8c03\u7528\uff0c\u4e14\u4f1a\u7b49\u5f85\u4efb\u52a1\u5b8c\u6210\n<\/pre><\/div>\n\n\n<p>\u4e0a\u8ff0\u4f8b\u5b50\u91cc\u7684\u4ee3\u7801\u6bd4\u8f83\u7b80\u5355 \u2014\u2014 \u7761\u7720 1 s \u2014\u2014 \u73b0\u4ee3\u786c\u4ef6\u53ef\u4ee5\u8f7b\u677e\u652f\u6301 10000 \u4e2a\u865a\u62df\u7ebf\u7a0b\u5e76\u53d1\u5730\u8dd1\u8fd9\u6837\u7684\u4ee3\u7801\u3002\u5728\u80cc\u540e\uff0cJDK \u5728\u5c11\u91cf\u7684\u64cd\u4f5c\u7cfb\u7edf\u7ebf\u7a0b\u4e0a\u8fd0\u884c\u8fd9\u6bb5\u4ee3\u7801\uff0c\u53ef\u80fd\u5c11\u5230\u53ea\u6709 1 \u4e2a\u3002<\/p>\n\n\n\n<p>\u5982\u679c\u8fd9\u4e2a\u7a0b\u5e8f\u4f7f\u7528 ExecutorService \uff08\u5982 Executors.newCachedThreadPool()\uff09\u4e3a\u6bcf\u4e2a\u4efb\u52a1\u521b\u5efa\u4e00\u4e2a\u5e73\u53f0\u7ebf\u7a0b\uff0c\u60c5\u51b5\u5c06\u975e\u5e38\u4e0d\u540c\u3002ExecutorService \u5c06\u5c1d\u8bd5\u521b\u5efa 10000 \u4e2a\u5e73\u53f0\u7ebf\u7a0b\uff0c\u4e5f\u5c31\u662f 10000 \u4e2a\u64cd\u4f5c\u7cfb\u7edf\u7ebf\u7a0b\uff0c\u7136\u540e\u7a0b\u5e8f\u53ef\u80fd\u4f1a\u5d29\u6e83\uff0c\u53d6\u51b3\u4e8e\u673a\u5668\u548c\u64cd\u4f5c\u7cfb\u7edf\u3002<\/p>\n\n\n\n<p>\u5373\u4f7f ExecutorService \u4ece\u6c60\u4e2d\u83b7\u53d6\u5e73\u53f0\u7ebf\u7a0b \u2014\u2014 \u5982 Executors.newFixedThreadPool(200)\uff0c\u60c5\u51b5\u4e5f\u4e0d\u4f1a\u6539\u5584\u592a\u591a\u3002ExecutorService \u5c06\u521b\u5efa 200 \u4e2a\u5e73\u53f0\u7ebf\u7a0b\u7ed9 10000 \u4e2a\u4efb\u52a1\u5171\u4eab\uff0c\u6240\u4ee5\u5f88\u591a\u4efb\u52a1\u5c06\u987a\u5e8f\u6267\u884c\u800c\u975e\u5e76\u53d1\uff0c\u7a0b\u5e8f\u9700\u8981\u4e00\u6bb5\u8f83\u957f\u7684\u65f6\u95f4\u624d\u80fd\u6267\u884c\u5b8c\u6bd5\u3002\u5bf9\u8fd9\u4e2a\u7a0b\u5e8f\u6765\u8bf4\uff0c\u4e00\u4e2a\u6709 200 \u4e2a\u5e73\u53f0\u7ebf\u7a0b\u7684\u6c60\u4ec5\u4ec5\u80fd\u83b7\u5f97\u6bcf\u79d2 200 \u4e2a\u4efb\u52a1\u7684\u541e\u5410\u91cf\uff0c\u800c\u865a\u62df\u7ebf\u7a0b\u5219\u53ef\u4ee5\u83b7\u5f97\u5dee\u4e0d\u591a\u6bcf\u79d2 10000 \u4e2a\u4efb\u52a1\u7684\u541e\u5410\u91cf\uff08\u5728\u5145\u5206\u9884\u70ed\u540e\uff09\u3002\u6b64\u5916\uff0c\u5982\u679c\u5c06\u6837\u4f8b\u7a0b\u5e8f\u4e2d\u7684 10_000 \u6539\u4e3a 1_000_000\uff0c\u7a0b\u5e8f\u5c06\u63d0\u4ea4 1000000 \u4e2a\u4efb\u52a1\uff0c\u521b\u5efa 1000000 \u4e2a\u865a\u62df\u7ebf\u7a0b\u5e76\u53d1\u6267\u884c\uff0c\uff08\u5728\u5145\u5206\u9884\u70ed\u540e\uff09\u5c06\u83b7\u5f97\u5927\u7ea6\u6bcf\u79d2 1000000 \u4e2a\u4efb\u52a1\u7684\u541e\u5410\u91cf\u3002<\/p>\n\n\n\n<p>\u5982\u679c\u7a0b\u5e8f\u4e2d\u7684\u4efb\u52a1\u662f\u6267\u884c\u8ba1\u7b97 1 s\uff08\u5982\u5927\u6570\u7ec4\u6392\u5e8f\uff09\u800c\u975e\u4ec5\u4ec5\u4f11\u7720\uff0c\u90a3\u4e48\u5728\u5904\u7406\u5668\u6838\u6570\u4e0d\u53d8\u7684\u60c5\u51b5\u4e0b\u589e\u52a0\u7ebf\u7a0b\u6570\u91cf\u6ca1\u6709\u4efb\u4f55\u5e2e\u52a9\uff0c\u4e0d\u7ba1\u589e\u52a0\u7684\u662f\u865a\u62df\u7ebf\u7a0b\u8fd8\u662f\u5e73\u53f0\u7ebf\u7a0b\u3002\u865a\u62df\u7ebf\u7a0b\u4e0d\u662f\u66f4\u5feb\u7684\u7ebf\u7a0b \u2014\u2014 \u5b83\u4e0d\u4f1a\u6bd4\u5e73\u53f0\u7ebf\u7a0b\u6267\u884c\u4ee3\u7801\u6267\u884c\u5f97\u66f4\u5feb\u3002\u5b83\u7528\u6765\u63d0\u4f9b\u89c4\u6a21\uff08\u9ad8\u541e\u5410\u91cf\uff09\uff0c\u800c\u975e\u901f\u5ea6\uff08\u4f4e\u5ef6\u8fdf\uff09\u3002\u5b83\u53ef\u4ee5\u6bd4\u5e73\u53f0\u7ebf\u7a0b\u591a\u5f97\u591a\uff0c\u6240\u4ee5\u80fd\u4e3a\u9ad8\u541e\u5410\u91cf\u63d0\u4f9b\u9700\u8981\u7684\u9ad8\u5e76\u53d1 \u2014\u2014 \u6839\u636e\u5229\u7279\u5c14\u6cd5\u5219\u3002<\/p>\n\n\n\n<p>\u6362\u53e5\u8bdd\u8bf4\uff0c\u865a\u62df\u7ebf\u7a0b\u80fd\u6781\u5927\u63d0\u5347\u5e94\u7528\u541e\u5410\u91cf\uff0c\u5f53<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li>\u5e76\u53d1\u4efb\u52a1\u6570\u5f88\u591a\uff08\u8d85\u8fc7\u51e0\u5343\u4e2a\uff09\uff0c\u540c\u65f6<\/li>\n\n\n\n<li>\u5de5\u4f5c\u8d1f\u8f7d\u4e0d\u662f CPU \u5bc6\u96c6\u578b\uff0c\u56e0\u4e3a\u8fd9\u79cd\u573a\u666f\u4e0b\uff0c\u63d0\u4f9b\u6bd4\u5904\u7406\u5668\u6838\u6570\u591a\u5f88\u591a\u7684\u7ebf\u7a0b\u5e76\u4e0d\u80fd\u63d0\u9ad8\u541e\u5410\u91cf\u3002<\/li>\n<\/ul>\n\n\n\n<p>\u865a\u62df\u7ebf\u7a0b\u80fd\u5e2e\u52a9\u63d0\u9ad8\u5178\u578b\u670d\u52a1\u5668\u5e94\u7528\u7684\u541e\u5410\u91cf\uff0c\u56e0\u4e3a\u8fd9\u7c7b\u5e94\u7528\u7531\u5927\u91cf\u9700\u8981\u82b1\u8d39\u5f88\u591a\u65f6\u95f4\u5728\u7b49\u5f85\u4e0a\u7684\u5e76\u53d1\u4efb\u52a1\u7ec4\u6210\u3002<\/p>\n\n\n\n<p>\u865a\u62df\u7ebf\u7a0b\u80fd\u8fd0\u884c\u5e73\u53f0\u7ebf\u7a0b\u8fd0\u884c\u7684\u4efb\u610f\u4ee3\u7801\u3002\u5c24\u5176\u662f\uff0c\u865a\u62df\u7ebf\u7a0b\u80fd\u50cf\u5e73\u53f0\u7ebf\u7a0b\u4e00\u6837\uff0c\u652f\u6301 <a href=\"https:\/\/docs.oracle.com\/en\/java\/javase\/18\/docs\/api\/java.base\/java\/lang\/ThreadLocal.html\" data-type=\"link\" data-id=\"https:\/\/docs.oracle.com\/en\/java\/javase\/18\/docs\/api\/java.base\/java\/lang\/ThreadLocal.html\">thread-local \u53d8\u91cf<\/a>\u548c\u7ebf\u7a0b\u6253\u65ad\u3002\u8fd9\u610f\u5473\u7740\u73b0\u6709\u5904\u7406\u8bf7\u6c42\u7684 Java \u4ee3\u7801\u80fd\u5f88\u5bb9\u6613\u5730\u8fd0\u884c\u5728\u865a\u62df\u7ebf\u7a0b\u4e0a\u3002\u8bb8\u591a\u670d\u52a1\u5668\u6846\u67b6\u5c06\u81ea\u52a8\u5b8c\u6210\u9009\u62e9\uff0c\u4e3a\u6bcf\u4e2a\u8fdb\u6765\u7684\u8bf7\u6c42\u521b\u5efa\u4e00\u4e2a\u865a\u62df\u7ebf\u7a0b\u5e76\u5728\u5176\u4e2d\u6267\u884c\u4e1a\u52a1\u903b\u8f91\u3002<\/p>\n\n\n\n<p>\u4e0b\u9762\u662f\u4e00\u4e2a\u670d\u52a1\u7aef\u5e94\u7528\u7684\u4f8b\u5b50\uff0c\u8be5\u5e94\u7528\u805a\u5408\u4e86\u5176\u4ed6\u4e24\u4e2a\u670d\u52a1\u7684\u7ed3\u679c\u3002\u5047\u8bbe\u4e00\u4e2a\u670d\u52a1\u5668\u6846\u67b6\uff08\u6ca1\u6709\u5c55\u793a\u51fa\u6765\uff09\u4e3a\u6bcf\u4e2a\u8bf7\u6c42\u90fd\u521b\u5efa\u4e86\u4ee5\u989d\u865a\u62df\u7ebf\u7a0b\uff0c\u5e76\u5728\u865a\u62df\u7ebf\u7a0b\u4e2d\u8fd0\u884c\u5904\u7406\u4ee3\u7801\u3002\u53cd\u8fc7\u6765\uff0c\u5e94\u7528\u4ee3\u7801\u4f1a\u4f7f\u7528\u7b2c\u4e00\u4e2a\u4f8b\u5b50\u4e2d\u7684 ExecutorService \u521b\u5efa 2 \u4e2a\u865a\u62df\u7ebf\u7a0b\u5e76\u53d1\u5730\u53bb\u83b7\u53d6\u8d44\u6e90\uff1a<\/p>\n\n\n<div class=\"wp-block-syntaxhighlighter-code \"><pre class=\"brush: java; title: ; notranslate\" title=\"\">\nvoid handle(Request request, Response response) {\n    var url1 = ...\n    var url2 = ...\n\n    try (var executor = Executors.newVirtualThreadPerTaskExecutor()) {\n        var future1 = executor.submit(() -&gt; fetchURL(url1));\n        var future2 = executor.submit(() -&gt; fetchURL(url2));\n        response.send(future1.get() + future2.get());\n    }  catch (ExecutionException | InterruptedException e) {\n        response.fail(e);\n    }\n}\n\nString fetchURL(URL url) throws IOException {\n    try (var in = url.openStream()) {\n        return new String(in.readAllBytes(), StandardCharsets.UTF_8);\n    }\n}\n<\/pre><\/div>\n\n\n<p>\u50cf\u8fd9\u6837\u5e94\u7528\uff0c\u4f7f\u7528\u76f4\u89c2\u7684\u963b\u585e\u5f0f\u4ee3\u7801\uff0c\u6269\u5c55\u6027\u826f\u597d\uff0c\u56e0\u4e3a\u53ef\u4ee5\u4f7f\u7528\u5927\u91cf\u7684\u865a\u62df\u7ebf\u7a0b\u3002<\/p>\n\n\n\n<p>Executor.newVirtualThreadPerTaskExecutor() \u4e0d\u662f\u521b\u5efa\u865a\u62df\u7ebf\u7a0b\u7684\u552f\u4e00\u65b9\u6cd5\u3002\u65b0\u7684 <a href=\"https:\/\/docs.oracle.com\/en\/java\/javase\/19\/docs\/api\/java.base\/java\/lang\/Thread.Builder.html\" data-type=\"link\" data-id=\"https:\/\/docs.oracle.com\/en\/java\/javase\/19\/docs\/api\/java.base\/java\/lang\/Thread.Builder.html\">java.lang.Thread.Builder<\/a> API \u2014\u2014 \u63a5\u4e0b\u6765\u8981\u8ba8\u8bba\u7684\uff0c\u4e5f\u80fd\u521b\u5efa\u548c\u542f\u52a8\u865a\u62df\u7ebf\u7a0b\u3002\u53e6\u5916\uff0c<a href=\"http:\/\/openjdk.java.net\/jeps\/8277129\" data-type=\"link\" data-id=\"openjdk.java.net\/jeps\/8277129\">\u7ed3\u6784\u5316\u5e76\u53d1<\/a>\u63d0\u4f9b\u4e86\u4e00\u4e2a\u66f4\u5f3a\u529b\u7684 API \u6765\u521b\u5efa\u548c\u7ba1\u7406\u865a\u62df\u7ebf\u7a0b\uff0c\u7279\u522b\u662f\u548c\u8fd9\u4e2a\u670d\u52a1\u5668\u4f8b\u5b50\u76f8\u4f3c\u7684\u4ee3\u7801\uff0c\u7ebf\u7a0b\u95f4\u7684\u5173\u7cfb\u80fd\u591f\u88ab\u5e73\u53f0\u53ca\u5176\u5de5\u5177\u8bc6\u522b\u3002<\/p>\n\n\n\n<p><strong><em>\u865a\u62df\u7ebf\u7a0b\u662f<a href=\"https:\/\/openjdk.org\/jeps\/12\" data-type=\"link\" data-id=\"https:\/\/openjdk.org\/jeps\/12\">\u9884\u89c8 API<\/a>\uff0c\u9ed8\u8ba4\u672a\u5f00\u542f<\/em><\/strong><\/p>\n\n\n\n<p>\u4e0a\u8ff0\u7684\u7a0b\u5e8f\u7528\u5230\u4e86 Executors.newVirtualThreadPerTaskExecutor() \u65b9\u6cd5\uff0c\u6240\u4ee5\u5728 JDK19 \u4e2d\u8fd0\u884c\u9700\u8981\u5f00\u542f\u9884\u89c8 API\uff1a<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li>\u7f16\u8bd1\u7a0b\u5e8f\u4f7f\u7528 javac &#8211;release 19 &#8211;enable-preview Main.java\uff0c\u8fd0\u884c\u4f7f\u7528 java &#8211;enable-preview Main\uff1b\u6216\u8005\uff0c<\/li>\n\n\n\n<li>\u5f53\u4f7f\u7528<a href=\"https:\/\/openjdk.org\/jeps\/330\" data-type=\"link\" data-id=\"https:\/\/openjdk.org\/jeps\/330\">\u6e90\u4ee3\u7801\u542f\u52a8\u5668<\/a>\uff0c\u8fd0\u884c\u4f7f\u7528 java &#8211;source 19 &#8211;enable-preview Main.java\uff1b\u6216\u8005\uff0c<\/li>\n\n\n\n<li>\u5f53\u4f7f\u7528 <a href=\"https:\/\/openjdk.org\/jeps\/222\" data-type=\"link\" data-id=\"https:\/\/openjdk.org\/jeps\/222\">jshell<\/a>\uff0c\u4f7f\u7528 jshell \u542f\u52a8\u9700\u8981 &#8211;enable-preview\u3002<\/li>\n<\/ul>\n\n\n\n<p><strong><em>\u4e0d\u8981\u6c60\u5316\u865a\u62df\u7ebf\u7a0b<\/em><\/strong><\/p>\n\n\n\n<p>\u5f00\u53d1\u8005\u672a\u6765\u8fc1\u79fb\u4ee3\u7801\uff0c\u901a\u5e38\u662f\u5c06\u57fa\u4e8e\u7ebf\u7a0b\u6c60\u7684\u4f20\u7edf ExecutorService \u8fc1\u79fb\u5230\u57fa\u4e8e\u6bcf\u4efb\u52a1\u4e00\u865a\u62df\u7ebf\u7a0b\u7684 ExecutorService\u3002\u7ebf\u7a0b\u6c60\uff0c\u5c31\u50cf\u6240\u6709\u7684\u8d44\u6e90\u6c60\uff0c\u76ee\u7684\u662f\u4e3a\u4e86\u5171\u4eab\u6602\u8d35\u7684\u8d44\u6e90\uff0c\u4f46\u865a\u62df\u7ebf\u7a0b\u662f\u5ec9\u4ef7\u7684\uff0c\u6240\u4ee5\u6ca1\u6709\u5fc5\u8981\u6c60\u5316\u3002<\/p>\n\n\n\n<p>\u5f00\u53d1\u8005\u6709\u65f6\u4f1a\u4f7f\u7528\u7ebf\u7a0b\u6c60\u6765\u9650\u5236\u5bf9\u6709\u9650\u8d44\u6e90\u7684\u5e76\u53d1\u8bbf\u95ee\u3002\u4f8b\u5982\uff0c\u5982\u679c\u4e00\u4e2a\u670d\u52a1\u65e0\u6cd5\u5904\u7406\u8d85\u8fc7 20 \u7684\u5e76\u53d1\u8bf7\u6c42\uff0c\u90a3\u4e48\uff0c\u5c31\u53ef\u4ee5\u901a\u8fc7\u5c06\u4efb\u52a1\u63d0\u4ea4\u5230\u5927\u5c0f\u4e3a 20 \u7684\u6c60\u6765\u5904\u7406\u6240\u6709\u8bbf\u95ee\u7684\u65b9\u5f0f\uff0c\u6765\u63a7\u5236\u5e76\u53d1\u8bbf\u95ee\u3002\u56e0\u4e3a\u5e73\u53f0\u7ebf\u7a0b\u7684\u6602\u8d35\u4ee3\u4ef7\u4f7f\u5f97\u7ebf\u7a0b\u6c60\u65e0\u5904\u4e0d\u5728\uff0c\u4e5f\u8ba9\u8fd9\u4e2a\u6982\u5ff5\u65e0\u5904\u4e0d\u5728\uff0c\u4f46\u5f00\u53d1\u8005\u4e0d\u5e94\u4e3a\u4e86\u9650\u5236\u5e76\u53d1\u800c\u88ab\u8bf1\u60d1\u6c60\u5316\u865a\u62df\u7ebf\u7a0b\u3002\u6709\u4e00\u4e2a\u4e13\u4e3a\u6b64\u76ee\u7684\u800c\u8bbe\u8ba1\u7684\u7ed3\u6784\uff0c\u5982\u4fe1\u53f7\u91cf\uff0c\u5e94\u88ab\u7528\u6765\u5b88\u62a4\u961f\u6709\u9650\u8d44\u6e90\u7684\u8bbf\u95ee\u3002\u8fd9\u6bd4\u7ebf\u7a0b\u6c60\u66f4\u6709\u6548\u548c\u65b9\u4fbf\uff0c\u4e5f\u66f4\u5b89\u5168\uff0c\u56e0\u4e3a\u4e0d\u4f1a\u6709\u610f\u5916\u5c06\u4e00\u4e2a\u4efb\u52a1\u7684 thread-local \u6570\u636e\u6cc4\u9732\u7ed9\u5176\u4ed6\u4efb\u52a1\u7684\u98ce\u9669\u3002<\/p>\n\n\n\n<p><strong><em>\u89c2\u6d4b\u865a\u62df\u7ebf\u7a0b<\/em><\/strong><\/p>\n\n\n\n<p>\u7f16\u5199\u6e05\u6670\u7684\u4ee3\u7801\u5e76\u4e0d\u662f\u5168\u90e8\u3002\u6e05\u6670\u5448\u73b0\u7a0b\u5e8f\u8fd0\u884c\u72b6\u6001\uff0c\u5bf9\u95ee\u9898\u8ddf\u8e2a\u3001\u7ef4\u62a4\u3001\u4f18\u5316\u4e5f\u5f88\u5173\u952e\uff0cJDK \u4e5f\u957f\u671f\u63d0\u4f9b\u4e86\u8c03\u8bd5\u3001\u5206\u6790\u3001\u76d1\u63a7\u7ebf\u7a0b\u7684\u673a\u5236\u3002\u8fd9\u4e9b\u5de5\u5177\u5e94\u80fd\u540c\u6837\u5bf9\u865a\u62df\u7ebf\u7a0b\u751f\u6548 \u2014\u2014 \u53ef\u80fd\u9488\u5bf9\u865a\u62df\u7ebf\u7a0b\u6570\u91cf\u5927\u7684\u7279\u70b9\u7ecf\u8fc7\u9002\u5f53\u8c03\u6574 \u2014\u2014 \u56e0\u4e3a\u6bd5\u7adf\u865a\u62df\u7ebf\u7a0b\u4e5f\u662f java.lang.Thread \u7684\u5b9e\u4f8b\u3002<\/p>\n\n\n\n<p>Java \u8c03\u8bd5\u5668\u80fd\u6b65\u8fdb\u865a\u62df\u7ebf\u7a0b\uff0c\u5c55\u793a\u8c03\u7528\u6808\uff0c\u5728\u6808\u5e27\u4e2d\u68c0\u67e5\u53d8\u91cf\u3002JDK \u98de\u884c\u8bb0\u5f55\u4eea\uff08JFR\uff09\uff0c\u4f5c\u4e3a JDK \u7684\u4f4e\u5f00\u9500\u5206\u6790\u548c\u76d1\u63a7\u673a\u5236\uff0c\u80fd\u5c06\u4ee3\u7801\u4e2d\u7684\u4e8b\u4ef6\uff08\u5982\u5bf9\u8c61\u5206\u914d\u548c I\/O \u64cd\u4f5c\uff09\u5173\u8054\u5230\u6b63\u786e\u7684\u865a\u62df\u7ebf\u7a0b\u3002\u8fd9\u4e9b\u5de5\u5177\u65e0\u6cd5\u5728\u5f02\u6b65\u6a21\u5f0f\u4e0b\u53d1\u6325\u4f5c\u7528\u3002\u5f02\u6b65\u6a21\u5f0f\u4e0b\u7684\u4efb\u52a1\u65e0\u6cd5\u5173\u8054\u5230\u7ebf\u7a0b\uff0c\u6240\u4ee5\u8c03\u8bd5\u5668\u4e5f\u65e0\u6cd5\u5c55\u793a\u6216\u8005\u4fee\u6539\u4efb\u52a1\u72b6\u6001\uff0c\u5206\u6790\u5668\u4e5f\u65e0\u6cd5\u544a\u77e5\u4efb\u52a1\u4e3a\u7b49\u5f85 I\/O \u82b1\u8d39\u4e86\u591a\u5c11\u65f6\u95f4\u3002<\/p>\n\n\n\n<p>\u7ebf\u7a0b\u8f6c\u50a8\u662f\u53e6\u4e00\u4e2a\u6d41\u884c\u7684\u3001\u4f7f\u7528\u4e00\u8bf7\u6c42\u4e00\u7ebf\u7a0b\u6a21\u5f0f\u5b9e\u73b0\u7684\u95ee\u9898\u8ddf\u8e2a\u5de5\u5177\u3002\u4e0d\u5e78\u7684\u662f\uff0c\u4f20\u7edf\u7684 JDK \u7ebf\u7a0b\u8f6c\u50a8\uff0c\u901a\u8fc7 jstack \u6216 jcmd \u83b7\u53d6\uff0c\u63d0\u4f9b\u7684\u662f\u6241\u5e73\u7ed3\u6784\u7684\u7ebf\u7a0b\u5217\u8868\u3002\u5bf9\u6570\u5341\u6216\u6570\u767e\u5e73\u53f0\u7ebf\u7a0b\u662f\u5408\u9002\u7684\uff0c\u5bf9\u6570\u5343\u6216\u6570\u767e\u4e07\u7684\u865a\u62df\u7ebf\u7a0b\u5219\u4e0d\u5408\u9002\u3002\u56e0\u4e3a\uff0c\u6211\u4eec\u4e0d\u4f1a\u6269\u5c55\u4f20\u7edf\u7684\u7ebf\u7a0b\u8f6c\u50a8\u6765\u5305\u542b\u865a\u62df\u7ebf\u7a0b\uff0c\u800c\u662f\u5728 jcmd \u4e2d\u5f15\u5165\u4e00\u79cd\u65b0\u7c7b\u578b\u7684\u7ebf\u7a0b\u8f6c\u50a8\uff0c\u7528\u6765\u5c55\u793a\u865a\u62df\u7ebf\u7a0b\uff0c\u6240\u6709\u5185\u5bb9\u90fd\u88ab\u4ee5\u6709\u610f\u4e49\u7684\u65b9\u5f0f\u5206\u7ec4\u3002\u5f53\u4f7f\u7528\u4e86<a href=\"http:\/\/openjdk.java.net\/jeps\/8277129\" data-type=\"link\" data-id=\"openjdk.java.net\/jeps\/8277129\">\u7ed3\u6784\u5316\u5e76\u53d1<\/a>\uff0c\u7ebf\u7a0b\u95f4\u4e30\u5bcc\u7684\u5173\u7cfb\u4e5f\u4f1a\u88ab\u5c55\u793a\u51fa\u6765\u3002<\/p>\n\n\n\n<p>\u56e0\u4e3a\u56fe\u5f62\u5316\u548c\u5206\u6790\u5de8\u91cf\u7ebf\u7a0b\u80fd\u4ece\u5de5\u5177\u5316\u4e2d\u53d7\u76ca\uff0cjcmd \u5c06\u628a\u65b0\u7c7b\u578b\u7684\u7ebf\u7a0b\u8f6c\u50a8\u4ee5 json \u683c\u5f0f\u8f93\u51fa\u5230\u6587\u672c\u6587\u4ef6\uff1a<\/p>\n\n\n<div class=\"wp-block-syntaxhighlighter-code \"><pre class=\"brush: bash; title: ; notranslate\" title=\"\">\n$ jcmd &lt;pid&gt; Thread.dump_to_file -format=json &lt;file&gt;\n<\/pre><\/div>\n\n\n<p>\u65b0\u7c7b\u578b\u7684\u7ebf\u7a0b\u8f6c\u50a8\u683c\u5f0f\u5c06\u5217\u51fa\u88ab\u7f51\u7edc I\/O \u963b\u585e\u7684\u865a\u62df\u7ebf\u7a0b\uff0c\u88ab\u6bcf\u4efb\u52a1\u4e00\u7ebf\u7a0b\u7684 ExecutorService \u521b\u5efa\u7684\u865a\u62df\u7ebf\u7a0b\u3002\u4e0d\u4f1a\u5305\u542b\u5bf9\u8c61\u5730\u5740\u3001\u9501\u3001JNI \u7edf\u8ba1\u4fe1\u606f\u3001\u5806\u7edf\u8ba1\u4fe1\u606f\u3001\u4ee5\u53ca\u51fa\u73b0\u5728\u4f20\u7edf\u7ebf\u7a0b\u8f6c\u50a8\u4e2d\u7684\u5176\u4ed6\u4fe1\u606f\u3002\u6b64\u5916\uff0c\u56e0\u4e3a\u9700\u8981\u5217\u51fa\u5de8\u91cf\u7684\u7ebf\u7a0b\uff08\u82b1\u7684\u65f6\u95f4\u957f\uff09\uff0c\u751f\u6210\u4e00\u4e2a\u65b0\u7c7b\u578b\u7684\u7ebf\u7a0b\u8f6c\u50a8\u4e0d\u80fd\u6682\u505c\u5e94\u7528\u3002<\/p>\n\n\n\n<p>\u4ee5\u4e0b\u662f\u4e00\u4e2a\u8fd9\u6837\u7684\u7ebf\u7a0b\u8f6c\u50a8\uff0c\u4ece\u7c7b\u4f3c<a href=\"https:\/\/openjdk.org\/jeps\/425#Using-virtual-threads-Example-2\" data-type=\"link\" data-id=\"https:\/\/openjdk.org\/jeps\/425#Using-virtual-threads-Example-2\">\u7b2c\u4e8c\u4e2a\u4f8b\u5b50<\/a>\u7684\u5e94\u7528\u4e2d\u83b7\u53d6\u7684\uff0c\u7ecf\u8fc7 JSON viewer \u6e32\u67d3\uff08\u70b9\u51fb\u653e\u5927\uff09\uff1a<\/p>\n\n\n\n<p><a href=\"https:\/\/bugs.openjdk.org\/secure\/attachment\/98212\/threaddump-700.png\" data-type=\"link\" data-id=\"https:\/\/bugs.openjdk.org\/secure\/attachment\/98212\/threaddump-700.png\">\u70b9\u51fb\u67e5\u770b<\/a><\/p>\n\n\n\n<p>\u56e0\u4e3a\u865a\u62df\u7ebf\u7a0b\u662f\u5728 JDK \u4e2d\u5b9e\u73b0\u7684\uff0c\u6ca1\u6709\u7ed1\u5b9a\u5230\u64cd\u4f5c\u7cfb\u7edf\u7ebf\u7a0b\uff0c\u6240\u4ee5\u5b83\u4eec\u5bf9\u64cd\u4f5c\u7cfb\u7edf\u662f\u4e0d\u53ef\u89c1\u7684\uff0c\u64cd\u4f5c\u7cfb\u7edf\u611f\u77e5\u4e0d\u5230\u5b83\u4eec\u7684\u5b58\u5728\u3002\u64cd\u4f5c\u7cfb\u7edf\u7ea7\u7684\u76d1\u63a7\u5c06\u89c2\u6d4b\u5230 JDK \u4f7f\u7528\u4e86\u6bd4\u865a\u62df\u7ebf\u7a0b\u6570\u66f4\u5c11\u7684\u64cd\u4f5c\u7cfb\u7edf\u7ebf\u7a0b\u3002<\/p>\n\n\n\n<p><strong><em>\u8c03\u5ea6\u865a\u62df\u7ebf\u7a0b<\/em><\/strong><\/p>\n\n\n\n<p>\u4e3a\u4e86\u5b8c\u6210\u6709\u7528\u7684\u5de5\u4f5c\uff0c\u7ebf\u7a0b\u9700\u8981\u88ab\u8c03\u5ea6\uff0c\u5373\u5206\u914d\u7ed9\u4e00\u4e2a\u5904\u7406\u5668\u6838\u6267\u884c\u3002\u5bf9\u5e73\u53f0\u7ebf\u7a0b\uff0c\u662f\u901a\u8fc7\u64cd\u4f5c\u7cfb\u7edf\u7ebf\u7a0b\u5b9e\u73b0\u7684\uff0c\u4f9d\u8d56\u4e8e\u64cd\u4f5c\u7cfb\u7edf\u7684\u8c03\u5ea6\u5668\u3002\u76f8\u6bd4\u4e4b\u4e0b\uff0c\u5bf9\u4e8e\u865a\u62df\u7ebf\u7a0b\uff0cJDK \u6709\u81ea\u5df1\u7684\u8c03\u5ea6\u5668\u3002JDK \u8c03\u5ea6\u5668\u5c06\u865a\u62df\u7ebf\u7a0b\u5206\u6d3e\u7ed9\u5e73\u53f0\u7ebf\u7a0b\uff08\u8fd9\u5c31\u662f\u524d\u9762\u63d0\u5230\u7684 M:N \u8c03\u5ea6\uff09\uff0c\u800c\u975e\u76f4\u63a5\u5206\u6d3e\u7ed9\u5904\u7406\u5668\u3002\u5e73\u53f0\u7ebf\u7a0b\u5219\u548c\u901a\u5e38\u4e00\u6837\uff0c\u4ea4\u7ed9\u64cd\u4f5c\u7cfb\u7edf\u8c03\u5ea6\u3002<\/p>\n\n\n\n<p>JDK \u7684\u865a\u62df\u7ebf\u7a0b\u8c03\u5ea6\u5668\u662f\u4e00\u4e2a\u5de5\u4f5c\u7a83\u53d6\u7684 <a href=\"https:\/\/docs.oracle.com\/en\/java\/javase\/18\/docs\/api\/java.base\/java\/util\/concurrent\/ForkJoinPool.html\" data-type=\"link\" data-id=\"https:\/\/docs.oracle.com\/en\/java\/javase\/18\/docs\/api\/java.base\/java\/util\/concurrent\/ForkJoinPool.html\">ForkJoinPool<\/a>\uff0c\u4ee5 FIFO \u6a21\u5f0f\u5de5\u4f5c\u3002\u8c03\u5ea6\u5668\u7684\u5e76\u884c\u6027\u53d6\u51b3\u4e8e\u53ef\u4ee5\u8c03\u5ea6\u7ed9\u865a\u62df\u7ebf\u7a0b\u4f7f\u7528\u7684\u5e73\u53f0\u7ebf\u7a0b\u6570\u91cf\u3002\u9ed8\u8ba4\u60c5\u51b5\u4e0b\uff0c\u7b49\u4e8e\u5904\u7406\u5668\u6570\u91cf\uff0c\u53ef\u4ee5\u4f7f\u7528\u7cfb\u7edf\u5c5e\u6027 jdk.virtualThreadScheduler.parallelism \u8fdb\u884c\u8c03\u4f18\u3002\u6ce8\u610f\uff0c\u8fd9\u91cc\u7684 ForkJoinPool \u533a\u522b\u4e8e\u88ab\u4f7f\u7528\u7684 <a href=\"https:\/\/docs.oracle.com\/en\/java\/javase\/18\/docs\/api\/java.base\/java\/util\/concurrent\/ForkJoinPool.html#commonPool()\" data-type=\"link\" data-id=\"https:\/\/docs.oracle.com\/en\/java\/javase\/18\/docs\/api\/java.base\/java\/util\/concurrent\/ForkJoinPool.html#commonPool()\">common pool<\/a>\uff0c\u5982 streams \u5e76\u884c\u5b9e\u73b0\u4e2d\u7528\u5230\u7684\uff0c\u800c\u4e14\u5de5\u4f5c\u5728 LIFO 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[&hellip;]<\/p>\n","protected":false},"author":1,"featured_media":0,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[17],"tags":[143,199,203,202,208],"class_list":["post-12654","post","type-post","status-publish","format-standard","hentry","category-17","tag-java","tag-jep","tag-203","tag-202","tag-208"],"_links":{"self":[{"href":"https:\/\/www.chenqing.work\/index.php?rest_route=\/wp\/v2\/posts\/12654","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/www.chenqing.work\/index.php?rest_route=\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/www.chenqing.work\/index.php?rest_route=\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/www.chenqing.work\/index.php?rest_route=\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"https:\/\/www.chenqing.work\/index.php?rest_route=%2Fwp%2Fv2%2Fcomments&post=12654"}],"version-history":[{"count":233,"href":"https:\/\/www.chenqing.work\/index.php?rest_route=\/wp\/v2\/posts\/12654\/revisions"}],"predecessor-version":[{"id":13070,"href":"https:\/\/www.chenqing.work\/index.php?rest_route=\/wp\/v2\/posts\/12654\/revisions\/13070"}],"wp:attachment":[{"href":"https:\/\/www.chenqing.work\/index.php?rest_route=%2Fwp%2Fv2%2Fmedia&parent=12654"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/www.chenqing.work\/index.php?rest_route=%2Fwp%2Fv2%2Fcategories&post=12654"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/www.chenqing.work\/index.php?rest_route=%2Fwp%2Fv2%2Ftags&post=12654"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}