{"id":4607,"date":"2020-09-17T10:51:24","date_gmt":"2020-09-17T02:51:24","guid":{"rendered":"https:\/\/damogame.cn\/wordpress\/?p=4607"},"modified":"2020-09-17T10:51:24","modified_gmt":"2020-09-17T02:51:24","slug":"%e5%8f%af%e6%89%a9%e5%b1%95%e7%9a%84%e6%9c%89%e7%8a%b6%e6%80%81%e6%9c%8d%e5%8a%a1","status":"publish","type":"post","link":"https:\/\/i007.cc\/wordpress\/archives\/4607","title":{"rendered":"\u53ef\u6269\u5c55\u7684\u6709\u72b6\u6001\u670d\u52a1"},"content":{"rendered":"<div><a href=\"https:\/\/zhuanlan.zhihu.com\/p\/25874641\">\u539f\u6587\u5730\u5740<\/a><\/div>\n<div><\/div>\n<div class=\"Post-RichTextContainer\">\n<div class=\"RichText ztext Post-RichText\">\n<p>\u4e00\u76f4\u4ee5\u6765\uff0c\u65e0\u72b6\u6001\u670d\u52a1(Stateless Service)\u5728\u67b6\u6784\u8bbe\u8ba1\u4e2d\u90fd\u88ab\u5f53\u4f5c\u94c1\u5f8b\uff0c\u56e0\u4e3a\u65e0\u72b6\u6001\u7684\u670d\u52a1\u5f88\u5bb9\u6613\u6a2a\u5411\u6269\u5c55\uff0c\u53ea\u9700\u8981\u5728\u8d1f\u8f7d\u5747\u8861\u4e4b\u540e\u589e\u52a0\u8282\u70b9\u5c31\u53ef\u4ee5\u5904\u7406\u66f4\u591a\u8bf7\u6c42\u3002\u4f46\u662f\uff0c\u65e0\u72b6\u6001\u670d\u52a1\u4e5f\u4e0d\u662f\u5b8c\u7f8e\u65e0\u7f3a\u7684\uff0c\u5176\u4e2d\u4e00\u4e2a\u7f3a\u70b9\u5c31\u662f\u548c\u6570\u636e\u5c42\u4e4b\u95f4\u7684\u8bf7\u6c42\u5ef6\u8fdf\uff0c\u4ee5\u53ca\u4e3a\u4e86\u89e3\u51b3\u8fd9\u79cd\u5ef6\u8fdf\u589e\u52a0\u7f13\u5b58\u6240\u5e26\u6765\u7684\u590d\u6742\u6027\u548c\u4e00\u81f4\u6027\u95ee\u9898\u3002<\/p>\n<p>\u6709\u6ca1\u6709\u60f3\u8fc7\u5f15\u5165\u201c\u6709\u72b6\u6001\u670d\u52a1\u201d\uff08stateful service\uff09\u6765\u89e3\u51b3\u95ee\u9898\uff1f\u5728\u7f51\u4e0a\u67e5\u4e00\u67e5\uff0c\u4f60\u4f1a\u53d1\u73b0\u5f88\u5c11\u6709\u4eba\u63d0\u53ca\u6709\u72b6\u6001\u670d\u52a1\uff0cWikipedia\u751a\u81f3\u90fd\u6ca1\u6709\u8fd9\u4e2a\u8bcd\u6761\u3002<\/p>\n<p>Caitiff McCaffrey\u662fTwitter\u7684\u8d44\u6df1\u5de5\u7a0b\u5e08\uff0c\u5979\u5728StrangeLoop\u5927\u4f1a\u4e0a\u53d1\u8868\u4e86\u4e3b\u9898\u4e3a\u201c\u6784\u5efa\u53ef\u6269\u5c55\u7684\u6709\u72b6\u6001\u670d\u52a1\u201d\u7684\u6f14\u8bb2\uff0c\u4e0d\u4f46\u5398\u6e05\u4e86\u6709\u72b6\u6001\u670d\u52a1\u7684\u57fa\u672c\u7406\u5ff5\uff0c\u4e5f\u5217\u4e3e\u4e86\u5fae\u8f6f\u3001Facebook\u4ee5\u53caUber\u7b49\u516c\u53f8\u4f7f\u7528\u6709\u72b6\u6001\u670d\u52a1\u7684\u591a\u4e2a\u6848\u4f8b\u4f5c\u4e3a\u4f50\u8bc1\u3002\u4e5f\u8bb8\u5979\u7684\u6f14\u8bb2\u53ef\u4ee5\u4e3a\u6211\u4eec\u5e26\u6765\u4e00\u4e9b\u542f\u793a\u3002<\/p>\n<p>\u5728\u8bfb\u4e0b\u53bb\u4e4b\u524d\uff0c\u6709\u4e00\u4e9b\u57fa\u672c\u7684\u5206\u5e03\u5f0f\u7cfb\u7edf\u6982\u5ff5\u662f\u9700\u8981\u7406\u89e3\u7684\uff0c\u5982\u679c\u4f60\u5bf9\u8fd9\u4e9b\u6982\u5ff5\u8fd8\u4e0d\u719f\u6089\uff0c\u4e0d\u59a8\u81ea\u884cGoogle\u4e00\u4e0b\uff1a<\/p>\n<ul>\n<li>Sticky Session<\/li>\n<li>Data Locality<\/li>\n<li>CAP Theorem<\/li>\n<li>AP\/CP System<\/li>\n<li>Cluster Membership<\/li>\n<li>Consensus Protocol<\/li>\n<li>Gossip protocols<\/li>\n<li>Consistent Hashing<\/li>\n<li>Back Pressure<\/li>\n<li>DHT(Distributed Hashtable)<\/li>\n<li>StopTheWorld\uff08Garbage Collection\uff09<\/li>\n<\/ul>\n<p>\u6211\u4eec\u5148\u6765\u56de\u987e\u4e00\u4e0b\u4f17\u6240\u5468\u77e5\u7684\u65e0\u72b6\u6001\u670d\u52a1\uff1a\u628a\u6240\u6709\u6570\u636e\u653e\u5728\u6570\u636e\u5e93\u4e2d\uff0c\u5c31\u53ef\u4ee5\u5728\u670d\u52a1\u5c42\u6a2a\u5411\u6269\u5c55\uff1b\u4f46\u662f\u5f53\u6d41\u91cf\u4e0d\u65ad\u4e0a\u5347\uff0c\u603b\u6709\u4e00\u5929\u4f1a\u7a81\u7834\u6570\u636e\u5e93\u5904\u7406\u80fd\u529b\u7684\u6781\u9650\uff0c\u4e8e\u662f\u6211\u4eec\u5bf9\u6570\u636e\u5e93\u505a\u5206\u7247\uff08sharding\uff09\uff0c\u6216\u8005\u8f6c\u5411NoSQL\u6570\u636e\u5e93\uff0c\u5e0c\u671b\u901a\u8fc7\u727a\u7272\u5f3a\u4e00\u81f4\u6027\u6765\u63d0\u9ad8\u53ef\u7528\u6027\u3002\u8fd9\u65f6\uff0c\u4e0d\u53ef\u907f\u514d\u5730\uff0c\u4e00\u4e9b\u6570\u636e\u5e93\u7684\u903b\u8f91\u5c31\u8981\u6e17\u900f\u5230\u5e94\u7528\u5c42\u4e2d\u3002<\/p>\n<p>\u53e6\u4e00\u65b9\u9762\uff0c\u6211\u4eec\u8003\u8651\u4e00\u4e0b\u65e0\u72b6\u6001\u670d\u52a1\u7684\u8fc7\u7a0b\uff1a\u7528\u6237\u5411\u670d\u52a1\u5c42\u53d1\u9001\u8bf7\u6c42\uff0c\u670d\u52a1\u5c42\u5904\u7406\u8bf7\u6c42\u7684\u8282\u70b9A\u4ece\u6570\u636e\u5e93\u52a0\u8f7d\u6570\u636e\uff0c\u8fd4\u56de\u7ed9\u7528\u6237\uff0c\u5f53\u7528\u6237\u53d1\u4e0b\u4e00\u4e2a\u8bf7\u6c42\u7684\u65f6\u5019\uff0c\u53ef\u80fd\u4f1a\u5206\u914d\u5230\u53e6\u4e00\u4e2a\u670d\u52a1\u8282\u70b9B\uff0c\u8282\u70b9B\u9700\u8981\u53bb\u6570\u636e\u5e93\u91cd\u65b0\u52a0\u8f7d\u6570\u636e\uff0c\u6b64\u65f6A\u8282\u70b9\u7684\u6570\u636e\u88ab\u629b\u5f03\u3002\u8fd9\u4e2a\u53cd\u590d\u52a0\u8f7d\u6570\u636e\u7684\u8fc7\u7a0b\u5176\u5b9e\u5f88\u6d6a\u8d39\uff0c\u5c24\u5176\u5bf9\u4e8e\u9891\u7e41\u4ea4\u4e92\u7684\u5e94\u7528\uff08\u6bd4\u5982\u6e38\u620f\uff0c\u548c\u4e00\u4e9b\u91cd\u4ea4\u4e92\u7684\u7f51\u7edc\u5e94\u7528\uff09\u6765\u8bf4\u5c24\u5176\u5982\u6b64\u3002<\/p>\n<h2><b>Stateful\u7684\u597d\u5904<\/b><\/h2>\n<p>\u9996\u5148\u8981\u5f3a\u8c03\u7684\u662f\uff0cStateful\u5e76\u4e0d\u662f\u7075\u4e39\u5999\u836f\uff0c\u5927\u591a\u6570\u573a\u666f\u4e0b\uff0c\u6211\u4eec\u4ecd\u7136\u9700\u8981\u65e0\u72b6\u6001\u7684\u670d\u52a1\u4ee5\u53ca\u6a2a\u5411\u6269\u5c55\u80fd\u529b\u3002\u4f46\u6709\u72b6\u6001\u670d\u52a1\u7684\u786e\u6709\u4e24\u4e2a\u660e\u663e\u7684\u4f18\u70b9\uff1a<\/p>\n<ol>\n<li>Data Locality\uff08\u6570\u636e\u672c\u5730\u5316\uff09\u3002\u5728\u6709\u72b6\u6001\u670d\u52a1\u4e2d\uff0c\u5f53\u5ba2\u6237\u7aef\u7b2c\u4e00\u6b21\u53d1\u51fa\u8bf7\u6c42\u65f6\uff0c\u670d\u52a1\u4ecd\u7136\u9700\u8981\u5230\u6570\u636e\u5e93\u52a0\u8f7d\u6570\u636e\uff0c\u4f46\u662f\u81ea\u6b64\u4ee5\u540e\uff0c\u6570\u636e\u5c06\u4f1a\u4fdd\u5b58\u5728\u8282\u70b9\u672c\u5730\uff0c\u8fd9\u4e2a\u5ba2\u6237\u7aef\u4e0b\u4e00\u4e2a\u8bf7\u6c42\u5fc5\u987b\u7531\u540c\u4e00\u4e2a\u8282\u70b9\u5904\u7406\uff0c\u8fd9\u79cd\u6a21\u5f0f\u5c31\u8282\u7701\u4e86\u5f88\u591a\u6570\u636e\u7f51\u7edc\u4f20\u8f93\u3002\u5373\u4f7f\u6570\u636e\u5e93\u670d\u52a1\u5df2\u7ecf\u505c\u6b62\uff0c\u670d\u52a1\u8282\u70b9\u4ecd\u7136\u80fd\u591f\u72ec\u7acb\u5904\u7406\u8bf7\u6c42\u3002<br \/>\n\u56fe<\/li>\n<li>\u6709\u72b6\u6001\u670d\u52a1\u6709\u66f4\u9ad8\u7684\u53ef\u7528\u6027\uff08A\uff09\u548c\u66f4\u5f3a\u7684\u4e00\u81f4\u6027\uff08C\uff09\u3002\u5728CAP\u4e09\u4e2a\u5c5e\u6027\u4e2d\uff0c\u6211\u4eec\u53ea\u80fd\u9009\u62e9CP\u7cfb\u7edf\u6216\u8005AP\u7cfb\u7edf\uff0c\u5982\u679c\u6211\u4eec\u9009\u62e9AP\uff0c\u5c31\u8981\u5728\u4e00\u81f4\u6027\u4e0a\u4f5c\u51fa\u8ba9\u6b65\u3002\u4f46\u662f\u8fd9\u4e2a\u8ba9\u6b65\u672c\u8eab\u4e5f\u6709\u7a0b\u5ea6\u4e0a\u7684\u5dee\u522b\uff0c\u5bf9\u4e8e\u6709\u72b6\u6001\u7684\u670d\u52a1\u6765\u8bf4\uff0c\u7531\u4e8e\u91c7\u7528\u4e86Sticky Session\uff08\u5373\u4e00\u4e2a\u7528\u6237\u7684\u6570\u636e\u90fd\u5728\u4e00\u4e2a\u56fa\u5b9a\u8282\u70b9\u4e0a\uff09\uff0c\u4e00\u81f4\u6027\u4f1a\u66f4\u5f3a\u3002\u89c1\u4e0b\u56fe\uff08\u5bf9\u4e8e\u5176\u4e2d\u4e00\u81f4\u6027\u7684\u5404\u79cd\u7ea7\u522b\u8bf7\u81ea\u884c\u67e5\u9605\uff09\uff1a<\/li>\n<\/ol>\n<figure><img decoding=\"async\" class=\"origin_image zh-lightbox-thumb lazy\" src=\"https:\/\/pic1.zhimg.com\/80\/v2-8cca35cead94c2bf3db5693d2d2e2bc6_720w.png\" width=\"1362\" data-rawwidth=\"1362\" data-rawheight=\"782\" data-original=\"https:\/\/pic1.zhimg.com\/v2-8cca35cead94c2bf3db5693d2d2e2bc6_r.jpg\" data-actualsrc=\"https:\/\/pic1.zhimg.com\/v2-8cca35cead94c2bf3db5693d2d2e2bc6_b.png\" data-lazy-status=\"ok\" \/><\/figure>\n<p>\u9664\u6b64\u4ee5\u5916\uff0cSticky Session\u8fd8\u6709\u4e00\u4e2a\u5de5\u7a0b\u4e0a\u7684\u597d\u5904\uff0c\u5bf9\u4e8e\u5f00\u53d1\u5206\u5e03\u5f0f\u7cfb\u7edf\u7684\u5de5\u7a0b\u5e08\u6765\u8bf4\uff0c\u56e0\u4e3a\u4e0d\u9700\u8981\u62c5\u5fc3\u6570\u636e\u52a0\u8f7d\u5230\u4e0d\u540c\u8282\u70b9\u3001\u7f13\u5b58\u5c42\u6b21\u5e26\u6765\u7684\u4e00\u81f4\u6027\u95ee\u9898\uff0c\u4e00\u4e2a\u7528\u6237\u53ea\u548c\u4e00\u53f0\u670d\u52a1\u5668\u4ea4\u4e92\uff0c\u8fd9\u4e2a\u6a21\u578b\u66f4\u52a0\u5bb9\u6613\u7406\u89e3\uff0c\u66f4\u5bb9\u6613\u7f16\u7a0b\u5b9e\u73b0\u3002<\/p>\n<h2><b>\u600e\u6837\u5b9e\u73b0\uff1f<\/b><\/h2>\n<p>\u5982\u4f55\u5b9e\u73b0Sticky Session\uff1f<\/p>\n<p>\u7b2c\u4e00\u79cd\u663e\u800c\u6613\u89c1\u7684\u65b9\u6cd5\u5c31\u662f\u957f\u8fde\u63a5\uff08HTTP\u6216\u8005TCP\uff09\uff0c\u8fd9\u4e2a\u65b9\u5f0f\u7b80\u5355\u6613\u884c\uff0c\u4f46\u662f\u7f3a\u70b9\u5728\u4e8e\u4e0d\u7a33\u5b9a\uff0c\u4e00\u65e6\u8fde\u63a5\u65ad\u5f00\uff0cSticky Session\u4e5f\u5c31\u7ed3\u675f\u4e86\u3002\u53e6\u5916\uff0c\u7531\u4e8e\u5404\u4e2a\u7528\u6237\u4ea7\u751f\u7684\u8d1f\u8f7d\u5e76\u4e0d\u76f8\u540c\uff0c\u6709\u4e00\u4e9b\u8282\u70b9\u4f1a\u627f\u53d7\u8fc7\u9ad8\u8d1f\u8f7d\uff08\u70ed\u8282\u70b9\uff09\uff0c\u56e0\u6b64\uff0c\u5fc5\u987b\u5b9e\u73b0\u53cd\u5411\u538b\u529b\uff08Back Pressure\uff09\uff0c\u5f53\u4e00\u4e2a\u8282\u70b9\u65e0\u6cd5\u627f\u53d7\u8d1f\u8f7d\u65f6\uff0c\u53ef\u4ee5\u6709\u9009\u62e9\u6027\u5730\u65ad\u5f00\u4e00\u4e9b\u8fde\u63a5\uff0c\u8ba9\u4e00\u4e9b\u7528\u6237\u8fde\u63a5\u5230\u5176\u4ed6\u8f7b\u8d1f\u8f7d\u8282\u70b9\u4e0a\u3002<\/p>\n<p>\u53e6\u4e00\u79cd\u66f4\u597d\u7684\u529e\u6cd5\u5c31\u662f\u5b9e\u73b0\u96c6\u7fa4\u5185\u90e8\u8def\u7531\u3002\u5ba2\u6237\u7aef\u4ecd\u7136\u53ef\u4ee5\u8fde\u63a5\u4efb\u4f55\u4e00\u4e2a\u8282\u70b9\uff0c\u7531\u8fd9\u4e2a\u8282\u70b9\u8d1f\u8d23\u628a\u8bf7\u6c42\u8def\u7531\u5230\u542b\u6709\u7528\u6237\u6570\u636e\u7684\u8282\u70b9\u4e0a\u3002\u4e3a\u4e86\u5b9e\u73b0\u8fd9\u79cd\u65b9\u6848\uff0c\u9700\u8981\u96c6\u7fa4\u5177\u6709\u4e24\u79cd\u80fd\u529b\uff1a<\/p>\n<ul>\n<li>\u96c6\u7fa4\u5f52\u5c5e(Cluster Membership) &#8211; \u96c6\u7fa4\u4e2d\u6709\u54ea\u4e9b\u8282\u70b9\uff1f\u751f\u5b58\u72b6\u6001\u5982\u4f55\uff1f<\/li>\n<li>\u8d1f\u8f7d\u5206\u914d(Workload Distribution)<\/li>\n<\/ul>\n<figure><img decoding=\"async\" class=\"origin_image zh-lightbox-thumb lazy\" src=\"https:\/\/pic2.zhimg.com\/80\/v2-a5caa6c197d6a0f9abdc32584c5eb731_720w.png\" width=\"1404\" data-rawwidth=\"1404\" data-rawheight=\"770\" data-original=\"https:\/\/pic2.zhimg.com\/v2-a5caa6c197d6a0f9abdc32584c5eb731_r.jpg\" data-actualsrc=\"https:\/\/pic2.zhimg.com\/v2-a5caa6c197d6a0f9abdc32584c5eb731_b.png\" data-lazy-status=\"ok\" \/><\/figure>\n<p><b>\u96c6\u7fa4\u5f52\u5c5e<\/b><\/p>\n<p>Membership\u53ef\u4ee5\u6709\u51e0\u79cd\u7c7b\u578b\uff1a\u9759\u6001\u3001Gossip\u4ee5\u53ca\u4e00\u81f4\u6027\uff08Consensus\uff09\u7cfb\u7edf\u3002<\/p>\n<ol>\n<li>\u9759\u6001\u7cfb\u7edf\u6700\u4e3a\u7b80\u5355\uff0c\u53ef\u4ee5\u7528\u4e00\u4e2a\u914d\u7f6e\u6587\u4ef6\u6765\u7ef4\u62a4\u5404\u4e2a\u8282\u70b9\u7684\u5730\u5740\uff0c\u7136\u540e\u628a\u8fd9\u4e2a\u6587\u4ef6\u90e8\u7f72\u5728\u96c6\u7fa4\u4e2d\u6bcf\u4e2a\u8282\u70b9\u4e0a\u3002\u7f3a\u70b9\u4e5f\u663e\u800c\u6613\u89c1\uff1a\u8fd0\u7ef4\u56f0\u96be\uff0c\u96be\u4e8e\u6269\u5c55\u3002\u5f53\u8282\u70b9\u5b95\u673a\u6216\u8005\u589e\u52a0\u8282\u70b9\u7684\u65f6\u5019\uff0c\u90fd\u8981\u66f4\u65b0\u914d\u7f6e\uff0c\u91cd\u542f\u6574\u4e2a\u96c6\u7fa4\u3002\u5bf9\u4e8e\u9700\u8981\u4fdd\u8bc1\u9ad8\u53ef\u7528\u7684\u670d\u52a1\u6765\u8bf4\uff0c\u8fd9\u662f\u4e0d\u53ef\u63a5\u53d7\u7684\u3002\u52a8\u6001\u7684\u96c6\u7fa4\u5f52\u5c5e\u80fd\u589e\u52a0\u8fd0\u7ef4\u7684\u7075\u6d3b\u6027\u3002<\/li>\n<li>Gossip\u534f\u8bae\u5c31\u662f\u8ba9\u5404\u4e2a\u8282\u70b9\u4e4b\u95f4\u4e92\u76f8\u6563\u64ad\u6d88\u606f\u6765\u7ef4\u62a4\u96c6\u7fa4\u72b6\u6001\uff0c\u6bcf\u4e2a\u8282\u70b9\u90fd\u6709\u81ea\u5df1\u72ec\u7acb\u7684World State\uff0c\u5e76\u6839\u636e\u63a5\u53d7\u7684\u6d88\u606f\u66f4\u65b0\u3002\u5728\u8fbe\u5230\u7a33\u5b9a\u72b6\u6001\u4ee5\u540e\uff0c\u6240\u6709\u7684\u8282\u70b9\u4f1a\u62e5\u6709\u4e00\u81f4\u7684World State\u3002\u4f46\u662f\u5f53\u51fa\u73b0\u7f51\u7edc\u4e2d\u65ad\u3001\u589e\u52a0\u3001\u51cf\u5c11\u8282\u70b9\u7684\u65f6\u5019\uff0c\u8282\u70b9\u672c\u5730\u7684World State\u5c31\u4f1a\u51fa\u9519\u3002\u8fd9\u6d89\u53ca\u4e00\u4e2a\u8bbe\u8ba1\u4e0a\u7684\u53d6\u820d\uff1a\u56e0\u4e3a\u4e0d\u9700\u8981\u4e00\u81f4\u6027\u534f\u8bae\u7684\u534f\u8c03\u8fc7\u7a0b\uff0c\u8fd9\u4e2a\u65b9\u6cd5\u7684\u53ef\u7528\u6027\u66f4\u9ad8\uff0c\u4f46\u662f\u4ee3\u4ef7\u5c31\u662f\u4ee3\u7801\u9700\u8981\u5904\u7406\u8def\u7531\u5230\u9519\u8bef\u8282\u70b9\u5e26\u6765\u7684\u4e0d\u786e\u5b9a\u6027\u3002<\/li>\n<li>\u4e00\u81f4\u6027\u534f\u8bae\u3002\u5f53\u524d\u6709\u5f88\u591a\u5f00\u6e90\u7684\u4e00\u81f4\u6027\u534f\u8bae\u5b9e\u73b0\uff0c\u6bd4\u5982ZooKeeper\uff0fEtcd\u7b49\u3002\u4e00\u81f4\u6027\u7cfb\u7edf\u80fd\u4fdd\u8bc1\u96c6\u7fa4\u5f52\u5c5e\u4fe1\u606f\u7684\u51c6\u786e\u548c\u53ca\u65f6\u66f4\u65b0\uff0c\u4f46\u662f\u95ee\u9898\u5728\u4e8e\u534f\u8c03\u7684\u6548\u7387\u8f83\u4f4e\u3002\u6240\u4ee5\u9664\u975e\u7edd\u5bf9\u5fc5\u8981\uff0c\u4e0d\u5efa\u8bae\u91c7\u7528\u8fd9\u79cd\u65b9\u6848\u3002<\/li>\n<\/ol>\n<p><b>\u8d1f\u8f7d\u5206\u914d<\/b><\/p>\n<p>\u628a\u5de5\u4f5c\u5206\u914d\u7ed9\u96c6\u7fa4\u4e2d\u7684\u8282\u70b9\u5927\u6982\u6709\u4e09\u79cd\u65b9\u5f0f\uff1a<\/p>\n<p>1. \u968f\u673a\u5206\u914d\u7ed9\u4efb\u610f\u8282\u70b9\u3002\u7528\u8fd9\u79cd\u65b9\u5f0f\uff0c\u5199\u8bf7\u6c42\u53ef\u4ee5\u7531\u4efb\u610f\u8282\u70b9\u5904\u7406\uff0c\u4f46\u662f\u8bfb\u8bf7\u6c42\u9700\u8981\u5411\u6bcf\u4e00\u4e2a\u8282\u70b9\u53d1\u51fa\u67e5\u8be2\u3002\u4e25\u683c\u6765\u8bf4\uff0c\u8fd9\u4e0d\u662fSticky Session\uff0c\u4f46\u662f\u5b9e\u9645\u4e2d\u5f80\u5f80\u5f88\u6709\u6548\u3002<\/p>\n<p>2. \u4e00\u81f4\u6027Hash\u3002\u53ef\u4ee5\u901a\u8fc7SessionID\u6216\u8005UserID\u7684Hash\u503c\u6765\u51b3\u5b9a\u5904\u7406\u8282\u70b9\u3002\u4e00\u81f4\u6027Hash\u4f1a\u628a\u8bf7\u6c42ID\u6620\u5c04\u5230\u4e00\u4e2a\u5706\u4e0a\uff0c\u5728\u5706\u4e0a\u987a\u65f6\u9488\u79fb\u52a8\uff0c\u9047\u5230\u7b2c\u4e00\u4e2a\u8282\u70b9\u5c31\u662f\u5904\u7406\u8bf7\u6c42\u7684\u8282\u70b9\uff08\u5177\u4f53\u5b9e\u73b0\u8bf7\u67e5\u9605Wikipedia\uff09\u3002\u8fd9\u79cd\u5206\u914d\u65b9\u5f0f\u662f\u786e\u5b9a\u6027\u7684\uff0c\u5e26\u6765\u7684\u95ee\u9898\u5c31\u662f\u70ed\u8282\u70b9\uff1a\u5f88\u591a\u8bf7\u6c42\u53ef\u80fd\u88ab\u5206\u914d\u5230\u4e00\u4e2a\u8282\u70b9\u4e0a\uff0c\u5bfc\u81f4\u8282\u70b9\u8fc7\u8f7d\uff0c\u7531\u4e8e\u786e\u5b9a\u6027\u7684\u5206\u914d\u65b9\u5f0f\uff0c\u4e0d\u80fd\u628a\u8d1f\u8f7d\u8f6c\u79fb\u5230\u5176\u4ed6\u8282\u70b9\u3002\u6240\u4ee5\uff0c\u6bcf\u53f0\u8282\u70b9\u7684\u8ba1\u7b97\u8d44\u6e90\u90fd\u8981\u7559\u8db3\u4f59\u91cf\uff08headroom\uff09\uff0c\u4ee5\u964d\u4f4e\u8fc7\u8f7d\u7684\u53ef\u80fd\u6027\u3002<\/p>\n<figure><img decoding=\"async\" class=\"origin_image zh-lightbox-thumb lazy\" src=\"https:\/\/pic2.zhimg.com\/80\/v2-d7401913efd6cadde3b8691ed14dcbaa_720w.png\" width=\"1410\" data-rawwidth=\"1410\" data-rawheight=\"762\" data-original=\"https:\/\/pic2.zhimg.com\/v2-d7401913efd6cadde3b8691ed14dcbaa_r.jpg\" data-actualsrc=\"https:\/\/pic2.zhimg.com\/v2-d7401913efd6cadde3b8691ed14dcbaa_b.png\" data-lazy-status=\"ok\" \/><\/figure>\n<p>3. \u5206\u5e03\u5f0fHashtable\u3002\u7528\u4e00\u4e2a\u5206\u5e03\u5f0f\u7684Hashtable\u6765\u7ef4\u62a4\u3001\u67e5\u8be2\u8bf7\u6c42\u5206\u914d\u7684\u8282\u70b9\uff0c\u7528\u8fd9\u79cd\u65b9\u5f0f\uff0c\u5f53\u4e00\u4e2a\u8282\u70b9\u5b95\u673a\u6216\u8005\u8fc7\u8f7d\u7684\u65f6\u5019\uff0c\u53ef\u4ee5\u66f4\u6539Hashtable\u628a\u8d1f\u8f7d\u91cd\u65b0\u5206\u914d\u5230\u5176\u4ed6\u8282\u70b9\u3002<\/p>\n<h2><b>\u771f\u5b9e\u6848\u4f8b<\/b><\/h2>\n<p><b>Facebook Scuba<\/b><\/p>\n<figure><img decoding=\"async\" class=\"origin_image zh-lightbox-thumb lazy\" src=\"https:\/\/pic4.zhimg.com\/80\/v2-659226701a4772bff077d1c3b2adb595_720w.png\" width=\"1404\" data-rawwidth=\"1404\" data-rawheight=\"776\" data-original=\"https:\/\/pic4.zhimg.com\/v2-659226701a4772bff077d1c3b2adb595_r.jpg\" data-actualsrc=\"https:\/\/pic4.zhimg.com\/v2-659226701a4772bff077d1c3b2adb595_b.png\" data-lazy-status=\"ok\" \/><\/figure>\n<p>Scuba\u662fFacebook\u5b9e\u73b0\u7684\u4e00\u4e2a\u5206\u5e03\u5f0f\u5185\u5b58\u6570\u636e\u5e93\u3002\u5b83\u4f7f\u7528\u4e86\u9759\u6001\u7684\u96c6\u7fa4\u5f52\u5c5e\uff0c\u8d1f\u8f7d\u5206\u914d\u4f7f\u7528\u4e86\u968f\u673a\u7684\u5206\u914d\u7b56\u7565\uff0c\u8bfb\u8bf7\u6c42\u9700\u8981\u67e5\u8be2\u96c6\u7fa4\u4e2d\u7684\u6bcf\u4e2a\u8282\u70b9\u3002\u56e0\u4e3a\u5728\u771f\u5b9e\u73af\u5883\u4e2d\uff0c\u4e0d\u53ef\u80fd\u4fdd\u8bc1\u6240\u6709\u8282\u70b9\u90fd\u540c\u65f6\u5728\u7ebf\uff0c\u6240\u4ee5\u7528\u6237\u7684\u8bfb\u8bf7\u6c42\u4e0d\u4e00\u5b9a\u80fd\u8fd4\u56de\u6240\u6709\u6570\u636e\uff0c\u4ed6\u4eec\u7684\u505a\u6cd5\u662f\u8fd4\u56de\u67e5\u8be2\u5230\u7684\u6570\u636e\uff0c\u4ee5\u53ca\u6570\u636e\u7684\u5b8c\u6574\u7a0b\u5ea6\uff08\u767e\u5206\u6bd4\uff09\uff0c\u7531\u5ba2\u6237\u7aef\u51b3\u5b9a\u8fd9\u4e9b\u6570\u636e\u662f\u5426\u8db3\u591f\u3002<\/p>\n<p><b>Uber Ringpop<\/b><\/p>\n<figure><img decoding=\"async\" class=\"origin_image zh-lightbox-thumb lazy\" src=\"https:\/\/pic3.zhimg.com\/80\/v2-43fbe052696fda0c5213a453f62182ec_720w.png\" width=\"1394\" data-rawwidth=\"1394\" data-rawheight=\"778\" data-original=\"https:\/\/pic3.zhimg.com\/v2-43fbe052696fda0c5213a453f62182ec_r.jpg\" data-actualsrc=\"https:\/\/pic3.zhimg.com\/v2-43fbe052696fda0c5213a453f62182ec_b.png\" data-lazy-status=\"ok\" \/><\/figure>\n<p>Ringpop\u662f\u4e00\u4e2a\u57fa\u4e8enode\u7684\u5e94\u7528\u5c42\u5206\u7247\u534f\u8bae\u3002\u4ed4\u7ec6\u8003\u8651\u4e00\u4e0bUber\u7684\u670d\u52a1\uff0c\u4f60\u53d1\u73b0\u5b83\u5f88\u9002\u5408\u6839\u636e\u5730\u7406\u4f4d\u7f6e\u5206\u7247\u5904\u7406\uff0c\u628a\u4e00\u4e2a\u4f4d\u7f6e\u7528\u6237\u7684\u8bf7\u6c42\u53d1\u9001\u5230\u4e00\u4e2a\u56fa\u5b9a\u7684\u8282\u70b9\u4e0a\uff0c\u5e76\u5728\u8fd9\u4e2a\u8282\u70b9\u4e0a\u7ef4\u62a4\u884c\u7a0b\u4fe1\u606f\u3002Ringpop\u4f7f\u7528Gossip\u534f\u8bae\u7ef4\u62a4\u96c6\u7fa4\u5f52\u5c5e\uff0c\u5e76\u4f7f\u7528\u4e00\u81f4\u6027Hash\u6765\u5206\u914d\u8d1f\u8f7d\u3002\u4e3a\u4e86\u907f\u514d\u70ed\u8282\u70b9\u95ee\u9898\uff0c\u5fc5\u987b\u4fdd\u8bc1\u6bcf\u4e2a\u8282\u70b9\u6709\u8db3\u591f\u5904\u7406\u80fd\u529b\u3002<\/p>\n<p><b>Microsoft Orleans<\/b><\/p>\n<figure><img decoding=\"async\" class=\"origin_image zh-lightbox-thumb lazy\" src=\"https:\/\/pic1.zhimg.com\/80\/v2-2fdbc3596fe615a03049fae7f28dfed5_720w.png\" width=\"1390\" data-rawwidth=\"1390\" data-rawheight=\"770\" data-original=\"https:\/\/pic1.zhimg.com\/v2-2fdbc3596fe615a03049fae7f28dfed5_r.jpg\" data-actualsrc=\"https:\/\/pic1.zhimg.com\/v2-2fdbc3596fe615a03049fae7f28dfed5_b.png\" data-lazy-status=\"ok\" \/><\/figure>\n<p>Orleans\u662f\u4e00\u4e2a\u57fa\u4e8eActor\u7684\u5206\u5e03\u5f0f\u7cfb\u7edf\u8fd0\u884c\u65f6\uff0cHalo 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class=\" external\" href=\"https:\/\/link.zhihu.com\/?target=https%3A\/\/www.youtube.com\/watch%3Fv%3DH0i_bXKwujQ\" target=\"_blank\" rel=\"nofollow noopener noreferrer\" data-za-detail-view-id=\"1043\"><span class=\"invisible\">https:\/\/www.<\/span><span class=\"visible\">youtube.com\/watch?<\/span><span class=\"invisible\">v=H0i_bXKwujQ<\/span><\/a><\/p>\n<p><a class=\" wrap external\" href=\"https:\/\/link.zhihu.com\/?target=https%3A\/\/github.com\/CaitieM20\/Talks\/tree\/master\/ScalingStatefulServices\" target=\"_blank\" rel=\"nofollow noopener noreferrer\" data-za-detail-view-id=\"1043\">CaitieM20\/Talks<\/a><\/p>\n<p><a class=\" wrap external\" href=\"https:\/\/link.zhihu.com\/?target=http%3A\/\/highscalability.com\/blog\/2015\/10\/12\/making-the-case-for-building-scalable-stateful-services-in-t.html\" target=\"_blank\" rel=\"nofollow noopener noreferrer\" data-za-detail-view-id=\"1043\">Making the Case for Building Scalable Stateful Services in the Modern Era &#8211; High Scalability &#8211;<\/a><\/p>\n<p><a class=\" wrap external\" href=\"https:\/\/link.zhihu.com\/?target=https%3A\/\/news.ycombinator.com\/item%3Fid%3D10378219\" target=\"_blank\" rel=\"nofollow noopener noreferrer\" data-za-detail-view-id=\"1043\">The Case for Building Scalable Stateful Services<\/a><\/p>\n<p><a class=\" external\" href=\"https:\/\/link.zhihu.com\/?target=https%3A\/\/research.facebook.com\/publications\/456106467831449\/scuba-diving-into-data-at-facebook\/\" target=\"_blank\" rel=\"nofollow noopener noreferrer\" data-za-detail-view-id=\"1043\"><span class=\"invisible\">https:\/\/<\/span><span class=\"visible\">research.facebook.com\/p<\/span><span class=\"invisible\">ublications\/456106467831449\/scuba-diving-into-data-at-facebook\/<\/span><\/a><\/p>\n<p><a class=\" wrap external\" href=\"https:\/\/link.zhihu.com\/?target=https%3A\/\/github.com\/uber\/ringpop-node\" target=\"_blank\" rel=\"nofollow noopener noreferrer\" data-za-detail-view-id=\"1043\">uber\/ringpop-node<\/a><\/p>\n<p><a class=\" wrap external\" href=\"https:\/\/link.zhihu.com\/?target=http%3A\/\/research.microsoft.com\/en-us\/projects\/orleans\/\" target=\"_blank\" rel=\"nofollow noopener noreferrer\" data-za-detail-view-id=\"1043\">Orleans &#8211; Virtual Actors &#8211; Microsoft Research<\/a><\/p>\n<p><a class=\" wrap external\" href=\"https:\/\/link.zhihu.com\/?target=https%3A\/\/github.com\/dotnet\/orleans\" target=\"_blank\" rel=\"nofollow noopener noreferrer\" data-za-detail-view-id=\"1043\">dotnet\/orleans<\/a><\/p>\n<p><a class=\" wrap external\" href=\"https:\/\/link.zhihu.com\/?target=http%3A\/\/www.gamasutra.com\/blogs\/AshkanSaeediMazdeh\/20151008\/255588\/Creating_scalable_backends_for_games_using_open_source_Orleans_framework.php\" target=\"_blank\" rel=\"nofollow noopener noreferrer\" data-za-detail-view-id=\"1043\">Creating scalable backends for games using open source Orleans framework<\/a><\/p>\n<\/div>\n<\/div>\n<div class=\"ContentItem-time\">\u7f16\u8f91\u4e8e 2017-03-20<\/div>\n","protected":false},"excerpt":{"rendered":"<p>\u539f\u6587\u5730\u5740 \u4e00\u76f4\u4ee5\u6765\uff0c\u65e0\u72b6\u6001\u670d\u52a1(Stat<\/p>\n","protected":false},"author":1,"featured_media":0,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"colormag_page_container_layout":"default_layout","colormag_page_sidebar_layout":"default_layout","footnotes":""},"categories":[],"tags":[118],"class_list":["post-4607","post","type-post","status-publish","format-standard","hentry","tag-02-"],"_links":{"self":[{"href":"https:\/\/i007.cc\/wordpress\/wp-json\/wp\/v2\/posts\/4607","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/i007.cc\/wordpress\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/i007.cc\/wordpress\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/i007.cc\/wordpress\/wp-json\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"https:\/\/i007.cc\/wordpress\/wp-json\/wp\/v2\/comments?post=4607"}],"version-history":[{"count":0,"href":"https:\/\/i007.cc\/wordpress\/wp-json\/wp\/v2\/posts\/4607\/revisions"}],"wp:attachment":[{"href":"https:\/\/i007.cc\/wordpress\/wp-json\/wp\/v2\/media?parent=4607"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/i007.cc\/wordpress\/wp-json\/wp\/v2\/categories?post=4607"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/i007.cc\/wordpress\/wp-json\/wp\/v2\/tags?post=4607"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}