{"id":10006092,"date":"2022-08-02T18:45:11","date_gmt":"2022-08-02T10:45:11","guid":{"rendered":"https:\/\/ityet.com\/?p=10006092"},"modified":"2022-08-02T18:45:11","modified_gmt":"2022-08-02T10:45:11","slug":"sentinel-vs-hystrix-%e9%99%90%e6%b5%81%e5%af%b9%e6%af%94%ef%bc%8c%e5%88%b0%e5%ba%95%e6%80%8e%e4%b9%88%e9%80%89%ef%bc%9f","status":"publish","type":"post","link":"https:\/\/itmax.cn\/?p=10006092","title":{"rendered":"Sentinel vs Hystrix \u9650\u6d41\u5bf9\u6bd4\uff0c\u5230\u5e95\u600e\u4e48\u9009\uff1f"},"content":{"rendered":"<p>Sentinel \u662f\u963f\u91cc\u4e2d\u95f4\u4ef6\u56e2\u961f\u5f00\u6e90\u7684\uff0c\u9762\u5411\u5206\u5e03\u5f0f\u670d\u52a1\u67b6\u6784\u7684\u8f7b\u91cf\u7ea7\u9ad8\u53ef\u7528\u6d41\u91cf\u63a7\u5236\u7ec4\u4ef6\uff0c\u4e3b\u8981\u4ee5\u6d41\u91cf\u4e3a\u5207\u5165\u70b9\uff0c\u4ece\u6d41\u91cf\u63a7\u5236\u3001\u7194\u65ad\u964d\u7ea7\u3001\u7cfb\u7edf\u8d1f\u8f7d\u4fdd\u62a4\u7b49\u591a\u4e2a\u7ef4\u5ea6\u6765\u5e2e\u52a9\u7528\u6237\u4fdd\u62a4\u670d\u52a1\u7684\u7a33\u5b9a\u6027\u3002<\/p>\n<p>\u5927\u5bb6\u53ef\u80fd\u4f1a\u95ee\uff1aSentinel \u548c\u4e4b\u524d\u5e38\u7528\u7684\u7194\u65ad\u964d\u7ea7\u5e93 Netflix Hystrix \u6709\u4ec0\u4e48\u5f02\u540c\u5462\uff1f<\/p>\n<p>\u672c\u6587\u5c06\u4ece\u591a\u4e2a\u89d2\u5ea6\u5bf9 Sentinel \u548c Hystrix \u8fdb\u884c\u5bf9\u6bd4\uff0c\u5e2e\u52a9\u5927\u5bb6\u8fdb\u884c\u6280\u672f\u9009\u578b\u3002<\/p>\n<h2>Overview<\/h2>\n<p>\u5148\u6765\u770b\u4e00\u4e0b Hystrix \u7684\u5b98\u65b9\u4ecb\u7ecd\uff1a<\/p>\n<blockquote><p>Hystrix is a library that helps you control the interactions between these distributed services by adding latency tolerance and fault tolerance logic. Hystrix does this by isolating points of access between the services, stopping cascading failures across them, and providing fallback options, all of which improve your system\u2019s overall resiliency.<\/p><\/blockquote>\n<p>\u53ef\u4ee5\u770b\u5230 Hystrix \u7684\u5173\u6ce8\u70b9\u5728\u4e8e\u4ee5 <em>\u9694\u79bb<\/em> \u548c <em>\u7194\u65ad<\/em> \u4e3a\u4e3b\u7684\u5bb9\u9519\u673a\u5236\uff0c\u8d85\u65f6\u6216\u88ab\u7194\u65ad\u7684\u8c03\u7528\u5c06\u4f1a\u5feb\u901f\u5931\u8d25\uff0c\u5e76\u53ef\u4ee5\u63d0\u4f9b fallback \u673a\u5236\u3002<\/p>\n<p>\u800c Sentinel \u7684\u4fa7\u91cd\u70b9\u5728\u4e8e\uff1a<\/p>\n<ul>\n<li>\u591a\u6837\u5316\u7684\u6d41\u91cf\u63a7\u5236<\/li>\n<li>\u7194\u65ad\u964d\u7ea7<\/li>\n<li>\u7cfb\u7edf\u8d1f\u8f7d\u4fdd\u62a4<\/li>\n<li>\u5b9e\u65f6\u76d1\u63a7\u548c\u63a7\u5236\u53f0<\/li>\n<\/ul>\n<p>\u53ef\u4ee5\u770b\u5230\u4e24\u8005\u89e3\u51b3\u7684\u95ee\u9898\u8fd8\u662f\u6709\u6bd4\u8f83\u5927\u7684\u4e0d\u540c\u7684\uff0c\u4e0b\u9762\u6211\u4eec\u6765\u5206\u522b\u5bf9\u6bd4\u4e00\u4e0b\u3002<\/p>\n<h2>\u5171\u540c\u7279\u6027<\/h2>\n<h4>\u8d44\u6e90\u6a21\u578b\u548c\u6267\u884c\u6a21\u578b\u4e0a\u7684\u5bf9\u6bd4<\/h4>\n<p>Hystrix \u7684\u8d44\u6e90\u6a21\u578b\u8bbe\u8ba1\u4e0a\u91c7\u7528\u4e86\u547d\u4ee4\u6a21\u5f0f\uff0c\u5c06\u5bf9\u5916\u90e8\u8d44\u6e90\u7684\u8c03\u7528\u548c fallback \u903b\u8f91\u5c01\u88c5\u6210\u4e00\u4e2a\u547d\u4ee4\u5bf9\u8c61\uff08<code>HystrixCommand<\/code> \/ <code>HystrixObservableCommand<\/code>\uff09\uff0c\u5176\u5e95\u5c42\u7684\u6267\u884c\u662f\u57fa\u4e8e RxJava \u5b9e\u73b0\u7684\u3002\u6bcf\u4e2a Command \u521b\u5efa\u65f6\u90fd\u8981\u6307\u5b9a commandKey \u548c groupKey\uff08\u7528\u4e8e\u533a\u5206\u8d44\u6e90\uff09\u4ee5\u53ca\u5bf9\u5e94\u7684\u9694\u79bb\u7b56\u7565\uff08\u7ebf\u7a0b\u6c60\u9694\u79bb or \u4fe1\u53f7\u91cf\u9694\u79bb\uff09\u3002\u7ebf\u7a0b\u6c60\u9694\u79bb\u6a21\u5f0f\u4e0b\u9700\u8981\u914d\u7f6e\u7ebf\u7a0b\u6c60\u5bf9\u5e94\u7684\u53c2\u6570\uff08\u7ebf\u7a0b\u6c60\u540d\u79f0\u3001\u5bb9\u91cf\u3001\u6392\u961f\u8d85\u65f6\u7b49\uff09\uff0c\u7136\u540e Command \u5c31\u4f1a\u5728\u6307\u5b9a\u7684\u7ebf\u7a0b\u6c60\u6309\u7167\u6307\u5b9a\u7684\u5bb9\u9519\u7b56\u7565\u6267\u884c\uff1b\u4fe1\u53f7\u91cf\u9694\u79bb\u6a21\u5f0f\u4e0b\u9700\u8981\u914d\u7f6e\u6700\u5927\u5e76\u53d1\u6570\uff0c\u6267\u884c Command \u65f6 Hystrix \u5c31\u4f1a\u9650\u5236\u5176\u5e76\u53d1\u8c03\u7528\u3002<\/p>\n<p>Sentinel \u7684\u8bbe\u8ba1\u5219\u66f4\u4e3a\u7b80\u5355\u3002\u76f8\u6bd4 Hystrix Command \u5f3a\u4f9d\u8d56\u9694\u79bb\u89c4\u5219\uff0cSentinel \u7684\u8d44\u6e90\u5b9a\u4e49\u4e0e\u89c4\u5219\u914d\u7f6e\u7684\u8026\u5408\u5ea6\u66f4\u4f4e\u3002Hystrix \u7684 Command \u5f3a\u4f9d\u8d56\u4e8e\u9694\u79bb\u89c4\u5219\u914d\u7f6e\u7684\u539f\u56e0\u662f\u9694\u79bb\u89c4\u5219\u4f1a\u76f4\u63a5\u5f71\u54cd Command \u7684\u6267\u884c\u3002\u5728\u6267\u884c\u7684\u65f6\u5019 Hystrix \u4f1a\u89e3\u6790 Command \u7684\u9694\u79bb\u89c4\u5219\u6765\u521b\u5efa RxJava Scheduler \u5e76\u5728\u5176\u4e0a\u8c03\u5ea6\u6267\u884c\uff0c\u82e5\u662f\u7ebf\u7a0b\u6c60\u6a21\u5f0f\u5219 Scheduler \u5e95\u5c42\u7684\u7ebf\u7a0b\u6c60\u4e3a\u914d\u7f6e\u7684\u7ebf\u7a0b\u6c60\uff0c\u82e5\u662f\u4fe1\u53f7\u91cf\u6a21\u5f0f\u5219\u7b80\u5355\u5305\u88c5\u6210\u5f53\u524d\u7ebf\u7a0b\u6267\u884c\u7684 Scheduler\u3002\u800c Sentinel \u5e76\u4e0d\u6307\u5b9a\u6267\u884c\u6a21\u578b\uff0c\u4e5f\u4e0d\u5173\u6ce8\u5e94\u7528\u662f\u5982\u4f55\u6267\u884c\u7684\u3002Sentinel \u7684\u539f\u5219\u975e\u5e38\u7b80\u5355\uff1a\u6839\u636e\u5bf9\u5e94\u8d44\u6e90\u914d\u7f6e\u7684\u89c4\u5219\u6765\u4e3a\u8d44\u6e90\u6267\u884c\u76f8\u5e94\u7684\u9650\u6d41\/\u964d\u7ea7\/\u8d1f\u8f7d\u4fdd\u62a4\u7b56\u7565\u3002\u5728 Sentinel \u4e2d\u8d44\u6e90\u5b9a\u4e49\u548c\u89c4\u5219\u914d\u7f6e\u662f\u5206\u79bb\u7684\u3002\u7528\u6237\u5148\u901a\u8fc7 Sentinel API \u7ed9\u5bf9\u5e94\u7684\u4e1a\u52a1\u903b\u8f91\u5b9a\u4e49\u8d44\u6e90\uff08\u57cb\u70b9\uff09\uff0c\u7136\u540e\u53ef\u4ee5\u5728\u9700\u8981\u7684\u65f6\u5019\u914d\u7f6e\u89c4\u5219\u3002\u57cb\u70b9\u65b9\u5f0f\u6709\u4e24\u79cd\uff1a<\/p>\n<ul>\n<li>try-catch \u65b9\u5f0f\uff08\u901a\u8fc7 <code>SphU.entry(...)<\/code>\uff09\uff0c\u7528\u6237\u5728 catch \u5757\u4e2d\u6267\u884c\u5f02\u5e38\u5904\u7406 \/ fallback<\/li>\n<li>if-else \u65b9\u5f0f\uff08\u901a\u8fc7 <code>SphO.entry(...)<\/code>\uff09\uff0c\u5f53\u8fd4\u56de false \u65f6\u6267\u884c\u5f02\u5e38\u5904\u7406 \/ fallback<\/li>\n<\/ul>\n<p>\u4ece 0.1.1 \u7248\u672c\u5f00\u59cb\uff0cSentinel \u8fd8\u652f\u6301\u57fa\u4e8e\u6ce8\u89e3\u7684\u8d44\u6e90\u5b9a\u4e49\u65b9\u5f0f\uff0c\u53ef\u4ee5\u901a\u8fc7\u6ce8\u89e3\u53c2\u6570\u6307\u5b9a\u5f02\u5e38\u5904\u7406\u51fd\u6570\u548c fallback \u51fd\u6570\u3002<\/p>\n<p>\u4ece 0.2.0 \u7248\u672c\u5f00\u59cb\uff0cSentinel \u5f15\u5165\u5f02\u6b65\u8c03\u7528\u94fe\u8def\u652f\u6301\uff0c\u53ef\u4ee5\u65b9\u4fbf\u5730\u7edf\u8ba1\u5f02\u6b65\u8c03\u7528\u8d44\u6e90\u7684\u6570\u636e\uff0c\u7ef4\u62a4\u5f02\u6b65\u8c03\u7528\u94fe\u8def\uff0c\u540c\u65f6\u5177\u5907\u4e86\u9002\u914d\u5f02\u6b65\u6846\u67b6\/\u5e93\u7684\u80fd\u529b\u3002<\/p>\n<p>Sentinel \u63d0\u4f9b\u591a\u6837\u5316\u7684\u89c4\u5219\u914d\u7f6e\u65b9\u5f0f\u3002\u9664\u4e86\u76f4\u63a5\u901a\u8fc7 <code>loadRules<\/code> API \u5c06\u89c4\u5219\u6ce8\u518c\u5230\u5185\u5b58\u6001\u4e4b\u5916\uff0c\u7528\u6237\u8fd8\u53ef\u4ee5\u6ce8\u518c\u5404\u79cd\u5916\u90e8\u6570\u636e\u6e90\u6765\u63d0\u4f9b\u52a8\u6001\u7684\u89c4\u5219\u3002\u7528\u6237\u53ef\u4ee5\u6839\u636e\u7cfb\u7edf\u5f53\u524d\u7684\u5b9e\u65f6\u60c5\u51b5\u53bb\u52a8\u6001\u5730\u53d8\u66f4\u89c4\u5219\u914d\u7f6e\uff0c\u6570\u636e\u6e90\u4f1a\u5c06\u53d8\u66f4\u63a8\u9001\u81f3 Sentinel \u5e76\u5373\u65f6\u751f\u6548\u3002<\/p>\n<h4>\u9694\u79bb\u8bbe\u8ba1\u4e0a\u7684\u5bf9\u6bd4<\/h4>\n<p>\u9694\u79bb\u662f Hystrix \u7684\u6838\u5fc3\u529f\u80fd\u4e4b\u4e00\u3002Hystrix \u63d0\u4f9b\u4e24\u79cd\u9694\u79bb\u7b56\u7565\uff1a\u7ebf\u7a0b\u6c60\u9694\u79bb\uff08Bulkhead Pattern\uff09\u548c\u4fe1\u53f7\u91cf\u9694\u79bb\uff0c\u5176\u4e2d\u6700\u63a8\u8350\u4e5f\u662f\u6700\u5e38\u7528\u7684\u662f\u7ebf\u7a0b\u6c60\u9694\u79bb\u3002Hystrix \u7684\u7ebf\u7a0b\u6c60\u9694\u79bb\u9488\u5bf9\u4e0d\u540c\u7684\u8d44\u6e90\u5206\u522b\u521b\u5efa\u4e0d\u540c\u7684\u7ebf\u7a0b\u6c60\uff0c\u4e0d\u540c\u670d\u52a1\u8c03\u7528\u90fd\u53d1\u751f\u5728\u4e0d\u540c\u7684\u7ebf\u7a0b\u6c60\u4e2d\uff0c\u5728\u7ebf\u7a0b\u6c60\u6392\u961f\u3001\u8d85\u65f6\u7b49\u963b\u585e\u60c5\u51b5\u65f6\u53ef\u4ee5\u5feb\u901f\u5931\u8d25\uff0c\u5e76\u53ef\u4ee5\u63d0\u4f9b fallback \u673a\u5236\u3002\u7ebf\u7a0b\u6c60\u9694\u79bb\u7684\u597d\u5904\u662f\u9694\u79bb\u5ea6\u6bd4\u8f83\u9ad8\uff0c\u53ef\u4ee5\u9488\u5bf9\u67d0\u4e2a\u8d44\u6e90\u7684\u7ebf\u7a0b\u6c60\u53bb\u8fdb\u884c\u5904\u7406\u800c\u4e0d\u5f71\u54cd\u5176\u5b83\u8d44\u6e90\uff0c\u4f46\u662f\u4ee3\u4ef7\u5c31\u662f\u7ebf\u7a0b\u4e0a\u4e0b\u6587\u5207\u6362\u7684 overhead \u6bd4\u8f83\u5927\uff0c\u7279\u522b\u662f\u5bf9\u4f4e\u5ef6\u65f6\u7684\u8c03\u7528\u6709\u6bd4\u8f83\u5927\u7684\u5f71\u54cd\u3002<\/p>\n<p>\u4f46\u662f\uff0c\u5b9e\u9645\u60c5\u51b5\u4e0b\uff0c\u7ebf\u7a0b\u6c60\u9694\u79bb\u5e76\u6ca1\u6709\u5e26\u6765\u975e\u5e38\u591a\u7684\u597d\u5904\u3002\u9996\u5148\u5c31\u662f\u8fc7\u591a\u7684\u7ebf\u7a0b\u6c60\u4f1a\u975e\u5e38\u5f71\u54cd\u6027\u80fd\u3002\u8003\u8651\u8fd9\u6837\u4e00\u4e2a\u573a\u666f\uff0c\u5728 Tomcat \u4e4b\u7c7b\u7684 Servlet \u5bb9\u5668\u4f7f\u7528 Hystrix\uff0c\u672c\u8eab Tomcat \u81ea\u8eab\u7684\u7ebf\u7a0b\u6570\u76ee\u5c31\u975e\u5e38\u591a\u4e86\uff08\u53ef\u80fd\u5230\u51e0\u5341\u6216\u4e00\u767e\u591a\uff09\uff0c\u5982\u679c\u52a0\u4e0a Hystrix \u4e3a\u5404\u4e2a\u8d44\u6e90\u521b\u5efa\u7684\u7ebf\u7a0b\u6c60\uff0c\u603b\u5171\u7ebf\u7a0b\u6570\u76ee\u4f1a\u975e\u5e38\u591a\uff08\u51e0\u767e\u4e2a\u7ebf\u7a0b\uff09\uff0c\u8fd9\u6837\u4e0a\u4e0b\u6587\u5207\u6362\u4f1a\u6709\u975e\u5e38\u5927\u7684\u635f\u8017\u3002\u53e6\u5916\uff0c\u7ebf\u7a0b\u6c60\u6a21\u5f0f\u6bd4\u8f83\u5f7b\u5e95\u7684\u9694\u79bb\u6027\u4f7f\u5f97 Hystrix \u53ef\u4ee5\u9488\u5bf9\u4e0d\u540c\u8d44\u6e90\u7ebf\u7a0b\u6c60\u7684\u6392\u961f\u3001\u8d85\u65f6\u60c5\u51b5\u5206\u522b\u8fdb\u884c\u5904\u7406\uff0c\u4f46\u8fd9\u5176\u5b9e\u662f\u8d85\u65f6\u7194\u65ad\u548c\u6d41\u91cf\u63a7\u5236\u8981\u89e3\u51b3\u7684\u95ee\u9898\uff0c\u5982\u679c\u7ec4\u4ef6\u5177\u5907\u4e86\u8d85\u65f6\u7194\u65ad\u548c\u6d41\u91cf\u63a7\u5236\u7684\u80fd\u529b\uff0c\u7ebf\u7a0b\u6c60\u9694\u79bb\u5c31\u663e\u5f97\u6ca1\u6709\u90a3\u4e48\u5fc5\u8981\u4e86\u3002<\/p>\n<p>Hystrix \u7684\u4fe1\u53f7\u91cf\u9694\u79bb\u9650\u5236\u5bf9\u67d0\u4e2a\u8d44\u6e90\u8c03\u7528\u7684\u5e76\u53d1\u6570\u3002\u8fd9\u6837\u7684\u9694\u79bb\u975e\u5e38\u8f7b\u91cf\u7ea7\uff0c\u4ec5\u9650\u5236\u5bf9\u67d0\u4e2a\u8d44\u6e90\u8c03\u7528\u7684\u5e76\u53d1\u6570\uff0c\u800c\u4e0d\u662f\u663e\u5f0f\u5730\u53bb\u521b\u5efa\u7ebf\u7a0b\u6c60\uff0c\u6240\u4ee5 overhead \u6bd4\u8f83\u5c0f\uff0c\u4f46\u662f\u6548\u679c\u4e0d\u9519\uff0c\u4e5f\u652f\u6301\u8d85\u65f6\u5931\u8d25\u3002Sentinel \u53ef\u4ee5\u901a\u8fc7\u5e76\u53d1\u7ebf\u7a0b\u6570\u6a21\u5f0f\u7684\u6d41\u91cf\u63a7\u5236\u6765\u63d0\u4f9b\u4fe1\u53f7\u91cf\u9694\u79bb\u7684\u529f\u80fd\u3002\u5e76\u4e14\u7ed3\u5408\u57fa\u4e8e\u54cd\u5e94\u65f6\u95f4\u7684\u7194\u65ad\u964d\u7ea7\u6a21\u5f0f\uff0c\u53ef\u4ee5\u5728\u4e0d\u7a33\u5b9a\u8d44\u6e90\u7684\u5e73\u5747\u54cd\u5e94\u65f6\u95f4\u6bd4\u8f83\u9ad8\u7684\u65f6\u5019\u81ea\u52a8\u964d\u7ea7\uff0c\u9632\u6b62\u8fc7\u591a\u7684\u6162\u8c03\u7528\u5360\u6ee1\u5e76\u53d1\u6570\uff0c\u5f71\u54cd\u6574\u4e2a\u7cfb\u7edf\u3002<\/p>\n<h4>\u7194\u65ad\u964d\u7ea7\u5bf9\u6bd4<\/h4>\n<p>Sentinel \u548c Hystrix \u7684\u7194\u65ad\u964d\u7ea7\u529f\u80fd\u672c\u8d28\u4e0a\u90fd\u662f\u57fa\u4e8e\u7194\u65ad\u5668\u6a21\u5f0f\uff08Circuit Breaker Pattern\uff09\u3002Sentinel \u4e0e Hystrix \u90fd\u652f\u6301\u57fa\u4e8e\u5931\u8d25\u6bd4\u7387\uff08\u5f02\u5e38\u6bd4\u7387\uff09\u7684\u7194\u65ad\u964d\u7ea7\uff0c\u5728\u8c03\u7528\u8fbe\u5230\u4e00\u5b9a\u91cf\u7ea7\u5e76\u4e14\u5931\u8d25\u6bd4\u7387\u8fbe\u5230\u8bbe\u5b9a\u7684\u9608\u503c\u65f6\u81ea\u52a8\u8fdb\u884c\u7194\u65ad\uff0c\u6b64\u65f6\u6240\u6709\u5bf9\u8be5\u8d44\u6e90\u7684\u8c03\u7528\u90fd\u4f1a\u88ab block\uff0c\u76f4\u5230\u8fc7\u4e86\u6307\u5b9a\u7684\u65f6\u95f4\u7a97\u53e3\u540e\u624d\u542f\u53d1\u6027\u5730\u6062\u590d\u3002\u4e0a\u9762\u63d0\u5230\u8fc7\uff0cSentinel \u8fd8\u652f\u6301\u57fa\u4e8e\u5e73\u5747\u54cd\u5e94\u65f6\u95f4\u7684\u7194\u65ad\u964d\u7ea7\uff0c\u53ef\u4ee5\u5728\u670d\u52a1\u54cd\u5e94\u65f6\u95f4\u6301\u7eed\u98d9\u9ad8\u7684\u65f6\u5019\u81ea\u52a8\u7194\u65ad\uff0c\u62d2\u7edd\u6389\u66f4\u591a\u7684\u8bf7\u6c42\uff0c\u76f4\u5230\u4e00\u6bb5\u65f6\u95f4\u540e\u624d\u6062\u590d\u3002\u8fd9\u6837\u53ef\u4ee5\u9632\u6b62\u8c03\u7528\u975e\u5e38\u6162\u9020\u6210\u7ea7\u8054\u963b\u585e\u7684\u60c5\u51b5\u3002<\/p>\n<h4>\u5b9e\u65f6\u6307\u6807\u7edf\u8ba1\u5b9e\u73b0\u5bf9\u6bd4<\/h4>\n<p>Hystrix \u548c Sentinel \u7684\u5b9e\u65f6\u6307\u6807\u6570\u636e\u7edf\u8ba1\u5b9e\u73b0\u90fd\u662f\u57fa\u4e8e\u6ed1\u52a8\u7a97\u53e3\u7684\u3002Hystrix 1.5 \u4e4b\u524d\u7684\u7248\u672c\u662f\u901a\u8fc7\u73af\u5f62\u6570\u7ec4\u5b9e\u73b0\u7684\u6ed1\u52a8\u7a97\u53e3\uff0c\u901a\u8fc7\u9501\u914d\u5408 CAS \u7684\u64cd\u4f5c\u5bf9\u6bcf\u4e2a\u6876\u7684\u7edf\u8ba1\u4fe1\u606f\u8fdb\u884c\u66f4\u65b0\u3002Hystrix 1.5 \u5f00\u59cb\u5bf9\u5b9e\u65f6\u6307\u6807\u7edf\u8ba1\u7684\u5b9e\u73b0\u8fdb\u884c\u4e86\u91cd\u6784\uff0c\u5c06\u6307\u6807\u7edf\u8ba1\u6570\u636e\u7ed3\u6784\u62bd\u8c61\u6210\u4e86\u54cd\u5e94\u5f0f\u6d41\uff08reactive stream\uff09\u7684\u5f62\u5f0f\uff0c\u65b9\u4fbf\u6d88\u8d39\u8005\u53bb\u5229\u7528\u6307\u6807\u4fe1\u606f\u3002\u540c\u65f6\u5e95\u5c42\u6539\u9020\u6210\u4e86\u57fa\u4e8e RxJava \u7684\u4e8b\u4ef6\u9a71\u52a8\u6a21\u5f0f\uff0c\u5728\u670d\u52a1\u8c03\u7528\u6210\u529f\/\u5931\u8d25\/\u8d85\u65f6\u7684\u65f6\u5019\u53d1\u5e03\u76f8\u5e94\u7684\u4e8b\u4ef6\uff0c\u901a\u8fc7\u4e00\u7cfb\u5217\u7684\u53d8\u6362\u548c\u805a\u5408\u6700\u7ec8\u5f97\u5230\u5b9e\u65f6\u7684\u6307\u6807\u7edf\u8ba1\u6570\u636e\u6d41\uff0c\u53ef\u4ee5\u88ab\u7194\u65ad\u5668\u6216 Dashboard \u6d88\u8d39\u3002<\/p>\n<p>Sentinel \u76ee\u524d\u62bd\u8c61\u51fa\u4e86 Metric \u6307\u6807\u7edf\u8ba1\u63a5\u53e3\uff0c\u5e95\u5c42\u53ef\u4ee5\u6709\u4e0d\u540c\u7684\u5b9e\u73b0\uff0c\u76ee\u524d\u9ed8\u8ba4\u7684\u5b9e\u73b0\u662f\u57fa\u4e8e <code>LeapArray<\/code> \u7684\u9ad8\u6027\u80fd\u6ed1\u52a8\u7a97\u53e3\uff0c\u540e\u7eed\u6839\u636e\u9700\u8981\u53ef\u80fd\u4f1a\u5f15\u5165 reactive stream \u7b49\u5b9e\u73b0\u3002<\/p>\n<h2>Sentinel \u7684\u7279\u8272<\/h2>\n<p>\u9664\u4e86\u4e4b\u524d\u63d0\u5230\u7684\u4e24\u8005\u7684\u5171\u540c\u7279\u6027\u4e4b\u5916\uff0cSentinel \u8fd8\u63d0\u4f9b\u4ee5\u4e0b\u7684\u7279\u8272\u529f\u80fd\uff1a<\/p>\n<h4>\u8f7b\u91cf\u7ea7\u3001\u9ad8\u6027\u80fd<\/h4>\n<p>Sentinel \u4f5c\u4e3a\u4e00\u4e2a\u529f\u80fd\u5b8c\u5907\u7684\u9ad8\u53ef\u7528\u6d41\u91cf\u7ba1\u63a7\u7ec4\u4ef6\uff0c\u5176\u6838\u5fc3 <code>sentinel-core<\/code> \u6ca1\u6709\u4efb\u4f55\u591a\u4f59\u4f9d\u8d56\uff0c\u6253\u5305\u540e\u53ea\u6709\u4e0d\u5230 200 KB\uff0c\u975e\u5e38\u8f7b\u91cf\u7ea7\u3002\u5f00\u53d1\u8005\u53ef\u4ee5\u653e\u5fc3\u5730\u5f15\u5165 <code>sentinel-core<\/code> \u800c\u4e0d\u9700\u62c5\u5fc3\u4f9d\u8d56\u95ee\u9898\u3002\u540c\u65f6\uff0cSentinel \u63d0\u4f9b\u4e86\u591a\u79cd\u6269\u5c55\u70b9\uff0c\u7528\u6237\u53ef\u4ee5\u5f88\u65b9\u4fbf\u5730\u6839\u636e\u9700\u6c42\u53bb\u8fdb\u884c\u6269\u5c55\uff0c\u5e76\u4e14\u65e0\u7f1d\u5730\u5207\u5408\u5230 Sentinel \u4e2d\u3002<\/p>\n<p>\u5f15\u5165 Sentinel \u5e26\u6765\u7684\u6027\u80fd\u635f\u8017\u975e\u5e38\u5c0f\u3002\u53ea\u6709\u5728\u4e1a\u52a1\u5355\u673a\u91cf\u7ea7\u8d85\u8fc7 25W QPS \u7684\u65f6\u5019\u624d\u4f1a\u6709\u4e00\u4e9b\u663e\u8457\u7684\u5f71\u54cd\uff085% &#8211; 10% \u5de6\u53f3\uff09\uff0c\u5355\u673a QPS \u4e0d\u592a\u5927\u7684\u65f6\u5019\u635f\u8017\u51e0\u4e4e\u53ef\u4ee5\u5ffd\u7565\u4e0d\u8ba1\u3002<\/p>\n<h4>\u6d41\u91cf\u63a7\u5236<\/h4>\n<p>Sentinel \u53ef\u4ee5\u9488\u5bf9\u4e0d\u540c\u7684\u8c03\u7528\u5173\u7cfb\uff0c\u4ee5\u4e0d\u540c\u7684\u8fd0\u884c\u6307\u6807\uff08\u5982 QPS\u3001\u5e76\u53d1\u8c03\u7528\u6570\u3001\u7cfb\u7edf\u8d1f\u8f7d\u7b49\uff09\u4e3a\u57fa\u51c6\uff0c\u5bf9\u8d44\u6e90\u8c03\u7528\u8fdb\u884c\u6d41\u91cf\u63a7\u5236\uff0c\u5c06\u968f\u673a\u7684\u8bf7\u6c42\u8c03\u6574\u6210\u5408\u9002\u7684\u5f62\u72b6\u3002<\/p>\n<p>Sentinel \u652f\u6301\u591a\u6837\u5316\u7684\u6d41\u91cf\u6574\u5f62\u7b56\u7565\uff0c\u5728 QPS \u8fc7\u9ad8\u7684\u65f6\u5019\u53ef\u4ee5\u81ea\u52a8\u5c06\u6d41\u91cf\u8c03\u6574\u6210\u5408\u9002\u7684\u5f62\u72b6\u3002\u5e38\u7528\u7684\u6709\uff1a<\/p>\n<ul>\n<li>\u76f4\u63a5\u62d2\u7edd\u6a21\u5f0f\uff1a\u5373\u8d85\u51fa\u7684\u8bf7\u6c42\u76f4\u63a5\u62d2\u7edd\u3002<\/li>\n<li>\u6162\u542f\u52a8\u9884\u70ed\u6a21\u5f0f\uff1a\u5f53\u6d41\u91cf\u6fc0\u589e\u7684\u65f6\u5019\uff0c\u63a7\u5236\u6d41\u91cf\u901a\u8fc7\u7684\u901f\u7387\uff0c\u8ba9\u901a\u8fc7\u7684\u6d41\u91cf\u7f13\u6162\u589e\u52a0\uff0c\u5728\u4e00\u5b9a\u65f6\u95f4\u5185\u9010\u6e10\u589e\u52a0\u5230\u9608\u503c\u4e0a\u9650\uff0c\u7ed9\u51b7\u7cfb\u7edf\u4e00\u4e2a\u9884\u70ed\u7684\u65f6\u95f4\uff0c\u907f\u514d\u51b7\u7cfb\u7edf\u88ab\u538b\u57ae\u3002<\/li>\n<\/ul>\n<p><img decoding=\"async\" referrerpolicy=\"no-referrer\" src=\"https:\/\/segmentfault.com\/img\/bVc1tR1\" alt=\"\" title=\"\" loading=\"lazy\"><\/p>\n<ul>\n<li>\u5300\u901f\u5668\u6a21\u5f0f\uff1a\u5229\u7528 Leaky Bucket \u7b97\u6cd5\u5b9e\u73b0\u7684\u5300\u901f\u6a21\u5f0f\uff0c\u4e25\u683c\u63a7\u5236\u4e86\u8bf7\u6c42\u901a\u8fc7\u7684\u65f6\u95f4\u95f4\u9694\uff0c\u540c\u65f6\u5806\u79ef\u7684\u8bf7\u6c42\u5c06\u4f1a\u6392\u961f\uff0c\u8d85\u8fc7\u8d85\u65f6\u65f6\u957f\u7684\u8bf7\u6c42\u76f4\u63a5\u88ab\u62d2\u7edd\u3002<\/li>\n<\/ul>\n<p><img decoding=\"async\" referrerpolicy=\"no-referrer\" src=\"https:\/\/segmentfault.com\/img\/bVc1tR2\" alt=\"\" title=\"\" loading=\"lazy\"><\/p>\n<p>Sentinel \u8fd8\u652f\u6301 \u57fa\u4e8e\u8c03\u7528\u5173\u7cfb\u7684\u9650\u6d41\uff0c\u5305\u62ec\u57fa\u4e8e\u8c03\u7528\u65b9\u9650\u6d41\u3001\u57fa\u4e8e\u8c03\u7528\u94fe\u5165\u53e3\u9650\u6d41\u3001\u5173\u8054\u6d41\u91cf\u9650\u6d41\u7b49\uff0c\u4f9d\u6258\u4e8e Sentinel \u5f3a\u5927\u7684\u8c03\u7528\u94fe\u8def\u7edf\u8ba1\u4fe1\u606f\uff0c\u53ef\u4ee5\u63d0\u4f9b\u7cbe\u51c6\u7684\u4e0d\u540c\u7ef4\u5ea6\u7684\u9650\u6d41\u3002<\/p>\n<p>Sentinel 0.2.0 \u5f00\u59cb\u652f\u6301 \u70ed\u70b9\u53c2\u6570\u9650\u6d41\uff0c\u80fd\u591f\u5b9e\u65f6\u7684\u7edf\u8ba1\u70ed\u70b9\u53c2\u6570\u5e76\u9488\u5bf9\u70ed\u70b9\u53c2\u6570\u7684\u8d44\u6e90\u8c03\u7528\u8fdb\u884c\u6d41\u91cf\u63a7\u5236\u3002<\/p>\n<h4>\u7cfb\u7edf\u8d1f\u8f7d\u4fdd\u62a4<\/h4>\n<p>Sentinel \u5bf9\u7cfb\u7edf\u7684\u7ef4\u5ea6\u63d0\u4f9b\u4fdd\u62a4\uff0c\u8d1f\u8f7d\u4fdd\u62a4\u7b97\u6cd5\u501f\u9274\u4e86 TCP BBR \u7684\u601d\u60f3\u3002\u5f53\u7cfb\u7edf\u8d1f\u8f7d\u8f83\u9ad8\u7684\u65f6\u5019\uff0c\u5982\u679c\u4ecd\u6301\u7eed\u8ba9\u8bf7\u6c42\u8fdb\u5165\uff0c\u53ef\u80fd\u4f1a\u5bfc\u81f4\u7cfb\u7edf\u5d29\u6e83\uff0c\u65e0\u6cd5\u54cd\u5e94\u3002\u5728\u96c6\u7fa4\u73af\u5883\u4e0b\uff0c\u7f51\u7edc\u8d1f\u8f7d\u5747\u8861\u4f1a\u628a\u672c\u5e94\u8fd9\u53f0\u673a\u5668\u627f\u8f7d\u7684\u6d41\u91cf\u8f6c\u53d1\u5230\u5176\u5b83\u7684\u673a\u5668\u4e0a\u53bb\u3002\u5982\u679c\u8fd9\u4e2a\u65f6\u5019\u5176\u5b83\u7684\u673a\u5668\u4e5f\u5904\u5728\u4e00\u4e2a\u8fb9\u7f18\u72b6\u6001\u7684\u65f6\u5019\uff0c\u8fd9\u4e2a\u589e\u52a0\u7684\u6d41\u91cf\u5c31\u4f1a\u5bfc\u81f4\u8fd9\u53f0\u673a\u5668\u4e5f\u5d29\u6e83\uff0c\u6700\u540e\u5bfc\u81f4\u6574\u4e2a\u96c6\u7fa4\u4e0d\u53ef\u7528\u3002\u9488\u5bf9\u8fd9\u4e2a\u60c5\u51b5\uff0cSentinel \u63d0\u4f9b\u4e86\u5bf9\u5e94\u7684\u4fdd\u62a4\u673a\u5236\uff0c\u8ba9\u7cfb\u7edf\u7684\u5165\u53e3\u6d41\u91cf\u548c\u7cfb\u7edf\u7684\u8d1f\u8f7d\u8fbe\u5230\u4e00\u4e2a\u5e73\u8861\uff0c\u4fdd\u8bc1\u7cfb\u7edf\u5728\u80fd\u529b\u8303\u56f4\u4e4b\u5185\u5904\u7406\u6700\u591a\u7684\u8bf7\u6c42\u3002<\/p>\n<p><img decoding=\"async\" referrerpolicy=\"no-referrer\" src=\"https:\/\/segmentfault.com\/img\/bVc1tR3\" alt=\"image-20211118104644863\" title=\"image-20211118104644863\" loading=\"lazy\"><\/p>\n<h4>\u5b9e\u65f6\u76d1\u63a7\u4e0e\u63a7\u5236\u9762\u677f<\/h4>\n<p>Sentinel \u63d0\u4f9b HTTP API \u7528\u4e8e\u83b7\u53d6\u5b9e\u65f6\u7684\u76d1\u63a7\u4fe1\u606f\uff0c\u5982\u8c03\u7528\u94fe\u8def\u7edf\u8ba1\u4fe1\u606f\u3001\u7c07\u70b9\u4fe1\u606f\u3001\u89c4\u5219\u4fe1\u606f\u7b49\u3002\u5982\u679c\u7528\u6237\u6b63\u5728\u4f7f\u7528 Spring Boot\/Spring Cloud \u5e76\u4f7f\u7528\u4e86 Sentinel Spring Cloud Starter\uff0c\u8fd8\u53ef\u4ee5\u65b9\u4fbf\u5730\u901a\u8fc7\u5176\u66b4\u9732\u7684 Actuator Endpoint \u6765\u83b7\u53d6\u8fd0\u884c\u65f6\u7684\u4e00\u4e9b\u4fe1\u606f\uff0c\u5982\u52a8\u6001\u89c4\u5219\u7b49\u3002\u672a\u6765 Sentinel \u8fd8\u4f1a\u652f\u6301\u6807\u51c6\u5316\u7684\u6307\u6807\u76d1\u63a7 API\uff0c\u53ef\u4ee5\u65b9\u4fbf\u5730\u6574\u5408\u5404\u79cd\u76d1\u63a7\u7cfb\u7edf\u548c\u53ef\u89c6\u5316\u7cfb\u7edf\uff0c\u5982 Prometheus\u3001Grafana \u7b49\u3002<\/p>\n<p>Sentinel \u63a7\u5236\u53f0\uff08Dashboard\uff09\u63d0\u4f9b\u4e86\u673a\u5668\u53d1\u73b0\u3001\u914d\u7f6e\u89c4\u5219\u3001\u67e5\u770b\u5b9e\u65f6\u76d1\u63a7\u3001\u67e5\u770b\u8c03\u7528\u94fe\u8def\u4fe1\u606f\u7b49\u529f\u80fd\uff0c\u4f7f\u5f97\u7528\u6237\u53ef\u4ee5\u975e\u5e38\u65b9\u4fbf\u5730\u53bb\u67e5\u770b\u76d1\u63a7\u548c\u8fdb\u884c\u914d\u7f6e\u3002<\/p>\n<p><img decoding=\"async\" referrerpolicy=\"no-referrer\" src=\"https:\/\/segmentfault.com\/img\/bVc1tR4\" alt=\"\" title=\"\" loading=\"lazy\"><\/p>\n<h4>\u751f\u6001<\/h4>\n<p>Sentinel \u76ee\u524d\u5df2\u7ecf\u9488\u5bf9 Servlet\u3001Dubbo\u3001Spring Boot\/Spring Cloud\u3001gRPC \u7b49\u8fdb\u884c\u4e86\u9002\u914d\uff0c\u7528\u6237\u53ea\u9700\u5f15\u5165\u76f8\u5e94\u4f9d\u8d56\u5e76\u8fdb\u884c\u7b80\u5355\u914d\u7f6e\u5373\u53ef\u975e\u5e38\u65b9\u4fbf\u5730\u4eab\u53d7 Sentinel \u7684\u9ad8\u53ef\u7528\u6d41\u91cf\u9632\u62a4\u80fd\u529b\u3002\u672a\u6765 Sentinel \u8fd8\u4f1a\u5bf9\u66f4\u591a\u5e38\u7528\u6846\u67b6\u8fdb\u884c\u9002\u914d\uff0c\u5e76\u4e14\u4f1a\u4e3a Service Mesh \u63d0\u4f9b\u96c6\u7fa4\u6d41\u91cf\u9632\u62a4\u7684\u80fd\u529b\u3002<\/p>\n<h2>\u603b\u7ed3<\/h2>\n<p>\u6700\u540e\u7528\u8868\u683c\u6765\u8fdb\u884c\u5bf9\u6bd4\u603b\u7ed3\uff1a<\/p>\n<table>\n<thead>\n<tr>\n<th> <\/th>\n<th>Sentinel<\/th>\n<th>Hystrix<\/th>\n<\/tr>\n<\/thead>\n<tbody>\n<tr>\n<td>\u9694\u79bb\u7b56\u7565<\/td>\n<td>\u4fe1\u53f7\u91cf\u9694\u79bb<\/td>\n<td>\u7ebf\u7a0b\u6c60\u9694\u79bb\/\u4fe1\u53f7\u91cf\u9694\u79bb<\/td>\n<\/tr>\n<tr>\n<td>\u7194\u65ad\u964d\u7ea7\u7b56\u7565<\/td>\n<td>\u57fa\u4e8e\u54cd\u5e94\u65f6\u95f4\u6216\u5931\u8d25\u6bd4\u7387<\/td>\n<td>\u57fa\u4e8e\u5931\u8d25\u6bd4\u7387<\/td>\n<\/tr>\n<tr>\n<td>\u5b9e\u65f6\u6307\u6807\u5b9e\u73b0<\/td>\n<td>\u6ed1\u52a8\u7a97\u53e3<\/td>\n<td>\u6ed1\u52a8\u7a97\u53e3\uff08\u57fa\u4e8e RxJava\uff09<\/td>\n<\/tr>\n<tr>\n<td>\u89c4\u5219\u914d\u7f6e<\/td>\n<td>\u652f\u6301\u591a\u79cd\u6570\u636e\u6e90<\/td>\n<td>\u652f\u6301\u591a\u79cd\u6570\u636e\u6e90<\/td>\n<\/tr>\n<tr>\n<td>\u6269\u5c55\u6027<\/td>\n<td>\u591a\u4e2a\u6269\u5c55\u70b9<\/td>\n<td>\u63d2\u4ef6\u7684\u5f62\u5f0f<\/td>\n<\/tr>\n<tr>\n<td>\u57fa\u4e8e\u6ce8\u89e3\u7684\u652f\u6301<\/td>\n<td>\u652f\u6301<\/td>\n<td>\u652f\u6301<\/td>\n<\/tr>\n<tr>\n<td>\u9650\u6d41<\/td>\n<td>\u57fa\u4e8e QPS\uff0c\u652f\u6301\u57fa\u4e8e\u8c03\u7528\u5173\u7cfb\u7684\u9650\u6d41<\/td>\n<td>\u6709\u9650\u7684\u652f\u6301<\/td>\n<\/tr>\n<tr>\n<td>\u6d41\u91cf\u6574\u5f62<\/td>\n<td>\u652f\u6301\u6162\u542f\u52a8\u3001\u5300\u901f\u5668\u6a21\u5f0f<\/td>\n<td>\u4e0d\u652f\u6301<\/td>\n<\/tr>\n<tr>\n<td>\u7cfb\u7edf\u8d1f\u8f7d\u4fdd\u62a4<\/td>\n<td>\u652f\u6301<\/td>\n<td>\u4e0d\u652f\u6301<\/td>\n<\/tr>\n<tr>\n<td>\u63a7\u5236\u53f0<\/td>\n<td>\u5f00\u7bb1\u5373\u7528\uff0c\u53ef\u914d\u7f6e\u89c4\u5219\u3001\u67e5\u770b\u79d2\u7ea7\u76d1\u63a7\u3001\u673a\u5668\u53d1\u73b0\u7b49<\/td>\n<td>\u4e0d\u5b8c\u5584<\/td>\n<\/tr>\n<tr>\n<td>\u5e38\u89c1\u6846\u67b6\u7684\u9002\u914d<\/td>\n<td>Servlet\u3001Spring Cloud\u3001Dubbo\u3001gRPC \u7b49<\/td>\n<td>Servlet\u3001Spring Cloud Netflix<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n<p>\u53c2\u8003\uff1a<a href=\"https:\/\/link.segmentfault.com\/?enc=S3kJnxUrR7f9EXQNQvCHaw%3D%3D.0J9QLa%2Fzd9stof682Ldg0ZKg8wzp%2Bc5l4igUuaTxeyocrCMDrTM67BA%2Bl6yo3ugi\" rel=\"nofollow\">https:\/\/github.com\/alibaba\/Se&#8230;<\/a><\/p>\n<p><strong>\u8fd1\u671f\u70ed\u6587\u63a8\u8350\uff1a<\/strong><\/p>\n<p>1.<a href=\"https:\/\/link.segmentfault.com\/?enc=ihNXYAh%2FOdzO79vilE0q5A%3D%3D.ru%2BbZ0JaxvzSqrugEuyExZoFVslfidk40n96o7KHk3s%3D\" rel=\"nofollow\">1,000+ \u9053 Java\u9762\u8bd5\u9898\u53ca\u7b54\u6848\u6574\u7406(2022\u6700\u65b0\u7248)<\/a><\/p>\n<p>2.<a href=\"https:\/\/link.segmentfault.com\/?enc=jpU0MGOCYB2wEAuwatcg4g%3D%3D.SLFN4oigVEy7qXPo4e2iGF%2BK6XMan4RxrwA3ooeuPDAa6BRStsyTFfKcEFMmtwUHzFo1y1hfphZhKYhZOVtiNZLan3M%2B7uXaEhg9CUnajYQ%3D\" rel=\"nofollow\">\u52b2\u7206\uff01Java \u534f\u7a0b\u8981\u6765\u4e86\u3002\u3002\u3002<\/a><\/p>\n<p>3.<a href=\"https:\/\/link.segmentfault.com\/?enc=spNCvMbk9WX4QLUoUXhBVg%3D%3D.MTf5nKSnKy7Yq6hkGDVPUt0ztoOgqv900MbP3TXoW62qqPpoa3Xn3tdD3nWU3Viq\" rel=\"nofollow\">Spring Boot 2.x \u6559\u7a0b\uff0c\u592a\u5168\u4e86\uff01<\/a><\/p>\n<p>4.<a href=\"https:\/\/link.segmentfault.com\/?enc=GQ7rI7rmR6E0hPHFHQ7Dpw%3D%3D.sCxzBgyoTzdBDWywnArZ2HD1cn0g%2Bk9knlqWqlQ0saoNNINbKf%2F%2Bkmoy2yF%2FZ3Y9D5G%2BZFrYMQYF8RQBe8WFegvvGCB5Gktr5YYIylpKz5k%3D\" rel=\"nofollow\">\u522b\u518d\u5199\u6ee1\u5c4f\u7684\u7206\u7206\u7206\u70b8\u7c7b\u4e86\uff0c\u8bd5\u8bd5\u88c5\u9970\u5668\u6a21\u5f0f\uff0c\u8fd9\u624d\u662f\u4f18\u96c5\u7684\u65b9\u5f0f\uff01\uff01<\/a><\/p>\n<p>5.<a href=\"https:\/\/link.segmentfault.com\/?enc=7%2BJ2B%2FATyczLThcuJPvk9Q%3D%3D.oTUcFkUx8WqkrCpHSnbSUt5Z0FkuRsyU7Jxa2SOlX2SAx%2B1FbykJIlvBSqWfI0t2%2FSLHvfewXspfzQlcQoysqHZuGR27Q3MGuHEQmMXk9QxElKHleaNu7jP%2BFqLZ2uBW\" rel=\"nofollow\">\u300aJava\u5f00\u53d1\u624b\u518c\uff08\u5d69\u5c71\u7248\uff09\u300b\u6700\u65b0\u53d1\u5e03\uff0c\u901f\u901f\u4e0b\u8f7d\uff01<\/a><\/p>\n<p>\u89c9\u5f97\u4e0d\u9519\uff0c\u522b\u5fd8\u4e86\u968f\u624b\u70b9\u8d5e+\u8f6c\u53d1\u54e6\uff01<\/p>\n<p><a href=\"https:\/\/segmentfault.com\/a\/1190000042259815\">https:\/\/segmentfault.com\/a\/1190000042259815<\/a><\/p>\n","protected":false},"excerpt":{"rendered":"<p>Sentinel \u662f\u963f\u91cc\u4e2d\u95f4\u4ef6\u56e2\u961f\u5f00\u6e90\u7684\uff0c\u9762\u5411\u5206\u5e03\u5f0f\u670d\u52a1\u67b6\u6784\u7684\u8f7b\u91cf\u7ea7\u9ad8\u53ef\u7528\u6d41\u91cf\u63a7\u5236\u7ec4\u4ef6\uff0c\u4e3b\u8981\u4ee5\u6d41\u91cf\u4e3a\u5207\u5165\u70b9\uff0c\u4ece [&hellip;]<\/p>\n","protected":false},"author":0,"featured_media":0,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"_jetpack_memberships_contains_paid_content":false,"footnotes":""},"categories":[],"tags":[],"class_list":["post-10006092","post","type-post","status-publish","format-standard","hentry"],"jetpack_sharing_enabled":true,"jetpack_featured_media_url":"","_links":{"self":[{"href":"https:\/\/itmax.cn\/index.php?rest_route=\/wp\/v2\/posts\/10006092","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/itmax.cn\/index.php?rest_route=\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/itmax.cn\/index.php?rest_route=\/wp\/v2\/types\/post"}],"replies":[{"embeddable":true,"href":"https:\/\/itmax.cn\/index.php?rest_route=%2Fwp%2Fv2%2Fcomments&post=10006092"}],"version-history":[{"count":0,"href":"https:\/\/itmax.cn\/index.php?rest_route=\/wp\/v2\/posts\/10006092\/revisions"}],"wp:attachment":[{"href":"https:\/\/itmax.cn\/index.php?rest_route=%2Fwp%2Fv2%2Fmedia&parent=10006092"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/itmax.cn\/index.php?rest_route=%2Fwp%2Fv2%2Fcategories&post=10006092"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/itmax.cn\/index.php?rest_route=%2Fwp%2Fv2%2Ftags&post=10006092"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}