{"id":2113,"date":"2020-06-16T23:21:20","date_gmt":"2020-06-16T15:21:20","guid":{"rendered":"https:\/\/coderbee.net\/?p=2113"},"modified":"2020-06-16T23:39:21","modified_gmt":"2020-06-16T15:39:21","slug":"lmax-%e6%9e%b6%e6%9e%84-%e7%ac%94%e8%ae%b0","status":"publish","type":"post","link":"https:\/\/coderbee.net\/index.php\/framework\/20200616\/2113","title":{"rendered":"LMAX \u67b6\u6784–\u7b14\u8bb0"},"content":{"rendered":"

\u539f\u6587 The LMAX Architecture<\/a><\/p>\n

\u539f\u6587\u4ecb\u7ecd\u4e86 LMAX \u652f\u6301\u9ad8\u6027\u80fd\u3001\u4f4e\u5ef6\u8fdf\u7684\u67b6\u6784\uff0c\u8fd8\u4ecb\u7ecd\u4e86 Disruptor \u8fd9\u4e2a\u6846\u67b6\u7684\u8bbe\u8ba1\u7f18\u7531\u3002<\/p>\n

LMAX \u7528 3Ghz \u7684 CPU \u5355\u7ebf\u7a0b\u5904\u7406\u8fbe\u5230 600w TPS\uff0c\u610f\u5473\u7740\u8981\u5728 500 \u4e2a\u65f6\u949f\u5468\u671f\u5185\u5904\u7406\u5b8c\u4e00\u4e2a\u4e8b\u52a1\u3002\uff08dual-socket quad-core\uff0c32GB RAM\uff09<\/p>\n

LMAX \u6574\u4f53\u67b6\u6784\uff1a
\n\"\"<\/a><\/p>\n

Business Logic Processor\uff0cBLP<\/h1>\n

\u53ea\u662f\u7b80\u5355\u7684 Java \u4ee3\u7801\uff0c\u4e0d\u4f9d\u8d56\u4e8e\u4efb\u4f55\u6846\u67b6\u3002\u5355\u7ebf\u7a0b\u6267\u884c\uff0c\u5168\u5185\u5b58\u64cd\u4f5c, \u987a\u5e8f\u5730\u83b7\u53d6\u8f93\u5165\u7684\u6d88\u606f\u3002<\/p>\n

\u8981\u64cd\u4f5c\u7684\u6570\u636e\u5168\u5728\u5185\u5b58\u91cc\u3002\u597d\u5904\u6709\u4e24\u70b9\uff1a\u5feb \u548c \u7b80\u5316\u4e86\u7f16\u7a0b\uff08\u6ca1\u6709\u5bf9\u8c61\/\u5173\u7cfb\u6620\u5c04\uff09\u3002<\/p>\n

\u7528 Event Sourcing \u4e8b\u4ef6\u6eaf\u6e90\u673a\u5236\u6765\u4fdd\u8bc1 BLP \u7684\u72b6\u6001\u662f\u53ef\u4ee5\u91cd\u5efa\u7684\uff0c\u8f93\u5165\u4e8b\u4ef6\u7531 input disruptor \u6765\u8fdb\u884c\u6301\u4e45\u5316\u3002\u4e8b\u4ef6\u6eaf\u6e90\u673a\u5236\u53ef\u4ee5\u91c7\u7528\u5feb\u7167\u7684\u65b9\u5f0f\u6765\u7f29\u77ed\u91cd\u5efa\u9700\u8981\u7684\u65f6\u95f4\u3002<\/p>\n

LMAX \u91c7\u7528\u591a\u4e2a BLP \u540c\u65f6\u5904\u7406\u540c\u6837\u7684\u4e8b\u4ef6\uff08\u4e24\u4e2a\u5728\u540c\u4e00\u4e2a\u6570\u636e\u4e2d\u5fc3\uff0c\u7b2c\u4e09\u4e2a\u5728\u707e\u5907\u4e2d\u5fc3\uff09\uff0c\u4f46\u53ea\u6709\u4e00\u4e2a BLP \u7684\u8f93\u51fa\u662f\u6709\u6548\u7684\u3002\u5f53\u5b58\u6d3b\u7684 processor \u5931\u8d25\u65f6\uff0c\u7cfb\u7edf\u5207\u6362\u5230\u53e6\u4e00\u4e2a\u3002<\/p>\n

\u4e8b\u4ef6\u6eaf\u6e90\u7684\u53e6\u4e00\u4e2a\u597d\u5904\u662f\u8bca\u65ad\u65b9\u4fbf\uff0c\u53ef\u4ee5\u628a\u4e8b\u4ef6\u62f7\u8d1d\u5230\u5f00\u53d1\u73af\u5883\u8fdb\u884c\u91cd\u653e\u3002<\/p>\n

<\/p>\n

Tuning performance<\/h1>\n

\u6027\u80fd\u8c03\u4f18\u7684\u4e00\u4e2a\u91cd\u8981\u6280\u672f\u662f \u6027\u80fd\u6d4b\u8bd5\u3002<\/p>\n

\u7f16\u5199\u6b63\u786e\u7684\u6027\u80fd\u6d4b\u8bd5\u4ee3\u7801\u6bd4\u7f16\u5199\u6b63\u786e\u7684\u751f\u4ea7\u4ee3\u7801\u8fd8\u96be\u3002<\/p>\n

\u7f16\u7a0b\u6a21\u578b<\/h1>\n

\u8fd9\u79cd\u98ce\u683c\u7684\u5904\u7406\u7ed9\u7f16\u5199\u548c\u7ec4\u7ec7\u4e1a\u52a1\u903b\u8f91\u5e26\u6765\u4e00\u4e9b\u7ea6\u675f\u3002<\/p>\n

\u9996\u5148\u8981\u63d0\u53d6\u51fa\u4efb\u4f55\u4e0e\u5916\u90e8\u670d\u52a1\u4ea4\u4e92\u7684\u90e8\u5206\uff0c\u4e1a\u52a1\u903b\u8f91\u91cc\u4e0d\u80fd\u8c03\u7528\u4efb\u4f55\u5916\u90e8\u670d\u52a1\u3002<\/p>\n

\u9700\u8981\u5b9e\u73b0\u4e3a\uff1a\u4e8b\u4ef6\u9a71\u52a8\u3001\u5f02\u6b65\u98ce\u683c\u7684\u3002<\/p>\n

\u9519\u8bef\u5904\u7406\uff1a\u5bf9\u4e8e\u57fa\u4e8e\u6570\u636e\u5e93\u7684\u5904\u7406\uff0c\u51fa\u9519\u65f6\u53ea\u9700\u56de\u6eda\u4e8b\u52a1\u5c31\u884c\u3002<\/p>\n

LMAX \u7684\u57fa\u4e8e\u5185\u5b58\u7684\u6570\u636e\u7ed3\u6784\u5728\u591a\u4e2a\u4e8b\u4ef6\u4e4b\u95f4\u662f\u6301\u7eed\u7684\uff0c\u5982\u679c\u51fa\u9519\u4e86\u53ef\u80fd\u5bfc\u81f4\u4e0d\u4e00\u81f4\u7684\u72b6\u6001\u3002\u7136\u800c\u6ca1\u6709\u81ea\u52a8\u56de\u6eda\u7684\u8bbe\u65bd\u3002
\n\u7ed3\u679c\u662f\uff1aLMAX \u56e2\u961f\u82b1\u8d39\u5927\u91cf\u7684\u7cbe\u529b\u6765\u4fdd\u8bc1\u8f93\u5165\u4e8b\u4ef6\u662f\u5b8c\u5168\u5408\u6cd5\u7684\uff0c\u5728\u5bf9\u5185\u5b58\u7684c\u6301\u7eed\u72b6\u6001\u505a\u4efb\u4f55\u4fee\u6539\u4e4b\u524d\u3002\u6d4b\u8bd5\u662f\u627e\u51fa\u8fd9\u7c7b\u95ee\u9898\u7684\u5173\u952e\u5de5\u5177\u3002<\/p>\n

Input and Output Disruptor<\/h1>\n

\"\"<\/a><\/p>\n

\u4e0a\u56fe replicate\/journal \u6d89\u53ca IO \u64cd\u4f5c\uff0c\u662f\u76f8\u5bf9\u8f83\u6162\u7684\u3002\u4e0a\u8ff0\u4e09\u8005\u90fd\u9700\u8981\u5728 BLP \u5904\u7406\u6d88\u606f\u4e4b\u524d\u5b8c\u6210\uff0c\u9002\u5408\u91c7\u7528\u5e76\u53d1\u3002<\/p>\n

LMAX \u8bbe\u8ba1\u4e86 Disruptor \u6765\u5b8c\u6210\u4e0a\u9762\u7684\u5e76\u53d1\uff0c\u5e95\u5c42\u662f\u4e00\u4e2a \u73af\u5f62\u7f13\u51b2\u3002
\n\u6bcf\u4e2a\u751f\u4ea7\u8005\u548c\u6d88\u8d39\u8005\u90fd\u6709\u4e00\u4e2a sequence counter \u6765\u6307\u793a\u5b83\u5f53\u524d\u5904\u7406\u7684\u69fd\u3002
\n\u6bcf\u4e2a\u751f\u4ea7\u8005\u548c\u6d88\u8d39\u8005\u90fd\u53ea\u5199\u81ea\u5df1\u7684 sequence counter\uff0c\u4f46\u53ef\u4ee5\u8bfb\u5176\u4ed6\u4eba\u7684 sequence counters\u3002
\n\u751f\u4ea7\u8005\u53ef\u4ee5\u89c2\u5bdf\u6d88\u8d39\u8005\u7684 sequence counter \u6765\u4fdd\u8bc1\u8981\u5199\u5165\u7684\u69fd\u662f\u5df2\u6d88\u8d39\u6216\u7a7a\u95f2\u7684\uff0c\u6d88\u8d39\u8005\u53ef\u4ee5\u89c2\u5bdf\u751f\u4ea7\u8005\u7684 sequence counter \u6765\u4fdd\u8bc1\u8981\u8bfb\u53d6\u7684\u69fd\u662f\u6709\u6548\u7684\u3002<\/p>\n

disruptor \u7684\u8fd9\u79cd\u8bbe\u8ba1\u652f\u6301\u6279\u91cf\u6d88\u8d39\u4e8b\u4ef6\uff0c\u6709\u5229\u4e8e\u843d\u540e\u7684\u6d88\u8d39\u8005\u5feb\u901f\u8ddf\u4e0a\uff0c\u964d\u4f4e\u603b\u4f53\u7684\u5ef6\u8fdf\u3002<\/p>\n

\u73af\u5f62\u7f13\u51b2\u4e00\u822c\u5f88\u5927\uff0c\u5927\u5c0f\u4e3a 2 \u7684\u5e42\u4ee5\u9ad8\u6548\u5730\u53d6\u6a21\u3002sequence counter \u4f7f\u7528 64\u4f4d\u7684\u957f\u6574\u578b\u6570\u5b57\uff0c\u5355\u8c03\u9012\u589e\u3002<\/p>\n

Queues and their lack of mechanical sympathy<\/h1>\n

Actor\u6a21\u578b\u4f9d\u8d56\u4e8e\u72ec\u7acb\u3001\u6d3b\u8dc3\u5bf9\u8c61\u81ea\u8eab\u7684\u7ebf\u7a0b\uff0c\u901a\u8fc7 queue \u6765\u8fdb\u884c\u901a\u4fe1\u3002<\/p>\n

\u76f8\u5bf9\u4e8e CPU\uff0c\u8bbf\u95ee\u4e3b\u5b58\u662f\u4e2a\u5f88\u6162\u7684\u64cd\u4f5c\uff0c\u56e0\u6b64\u5c3d\u91cf\u8ba9\u8981\u64cd\u4f5c\u7684\u6570\u636e\u4f4d\u4e8e\u9ad8\u901f\u7f13\u5b58\u3002<\/p>\n

\u5728\u9ad8\u5e76\u53d1\u7684\u60c5\u51b5\u4e0b\u5bf9\u961f\u5217\u7684\u8bbf\u95ee\u4f1a\u6210\u4e3a\u74f6\u9888\u3002\u5f80\u961f\u5217\u52a0\u5165\u6216\u79fb\u9664\u5143\u7d20\u90fd\u9700\u8981\u5bf9\u961f\u5217\u8fdb\u884c\u4fee\u6539\uff0c\u8fd9\u5c31\u5e26\u6765\u5199\u7ade\u4e89\u3002\u4e3a\u4e86\u89e3\u51b3\u5199\u7ade\u4e89\uff0c\u961f\u5217\u901a\u5e38\u4f7f\u7528\u9501\uff0c\u4e00\u65e6\u5f15\u5165\u9501\uff0c\u53ef\u80fd\u5bfc\u81f4\u5185\u6838\u7684\u4e0a\u4e0b\u6587\u5207\u6362\uff0c\u5f53\u4e0a\u4e0b\u6587\u5207\u6362\u53d1\u751f\u65f6\uff0c\u5904\u7406\u5668\u6838\u53ef\u80fd\u4e22\u5931\u9ad8\u901f\u7f13\u5b58\u91cc\u7684\u6570\u636e\u3002<\/p>\n

LMAX \u56e2\u961f\u5f97\u5230\u7684\u7ed3\u8bba\u662f\uff1a\u4e3a\u4e86\u5f97\u5230\u6700\u597d\u7684\u7f13\u5b58\u884c\u4e3a\uff0c\u8bbe\u8ba1\u91cc\uff0c\u5bf9\u5185\u5b58\u4efb\u4f55\u4f4d\u7f6e\u5e94\u5f53\u53ea\u6709\u4e00\u4e2a\u5904\u7406\u5668\u6838\u4f1a\u8fdb\u884c \u5199\u3002\u591a\u4e2a\u8bfb\u8005\u662f ok \u7684\uff0c\u5904\u7406\u5668\u6838\u901a\u5e38\u4f7f\u7528\u7279\u5b9a\u7684\u9ad8\u901f\u901a\u9053\u6765\u8fde\u63a5\u4ed6\u4eec\u7684\u9ad8\u901f\u7f13\u5b58\u3002\u961f\u5217\u4e0d\u6ee1\u8db3\u5355\u4e2a\u5199\u8005\u7684\u539f\u5219\u3002<\/p>\n

\u8fd9\u4e2a\u7ed3\u8bba\u5f15\u5bfc LMAX \u56e2\u961f\u5f97\u5230\u4e00\u7ec4\u63a8\u8bba\uff1a\u9996\u5148\u6307\u5bfc\u4e86 disruptor \u7684\u8bbe\u8ba1\uff0c\u5b83\u4e25\u683c\u9075\u5b88\u5355\u4e2a\u5199\u8005\u7684\u7ea6\u675f\uff1b\u7b2c\u4e8c\u5f15\u5411\u4e86\u63a2\u7d22\u7528\u5355\u7ebf\u7a0b\u5904\u7406\u4e1a\u52a1\u903b\u8f91\u7684\u8bbe\u8ba1\u3002<\/p>\n

\u5355\u7ebf\u7a0b\u5de5\u4f5c\u7684\u7cbe\u9ad3\u662f\uff1a\u786e\u4fdd\u53ea\u6709\u4e00\u4e2a\u7ebf\u7a0b\u8fd0\u884c\u5728\u4e00\u4e2a\u5904\u7406\u5668\u6838\uff0c\u9ad8\u901f\u7f13\u5b58 warn up\uff0c\u5185\u5b58\u8bbf\u95ee\u5c3d\u53ef\u80fd\u843d\u5230\u9ad8\u901f\u7f13\u5b58\u800c\u4e0d\u662f\u4e3b\u5b58\u3002\u8fd9\u610f\u5473\u7740\u4ee3\u7801\u548c\u5de5\u4f5c\u7684\u6570\u636e\u96c6\u9700\u8981\u5c3d\u53ef\u80fd\u4e00\u81f4\u5730\u8bbf\u95ee\uff0c\u540c\u65f6\u4fdd\u6301\u4ee3\u7801\u548c\u6570\u636e\u5bf9\u8c61\u5c3d\u91cf\u5c0f\u4ee5\u5141\u8bb8\u4ed6\u4eec\u4f5c\u4e3a\u9ad8\u901f\u7f13\u5b58\u7684\u4e00\u4e2a\u5355\u5143\u8fdb\u884c\u7f6e\u6362\uff0c\u53ef\u4ee5\u7b80\u5316\u9ad8\u901f\u7f13\u5b58\u7ba1\u7406\u3001\u63d0\u5347\u6027\u80fd\u3002<\/p>\n

Should you use this architecture<\/h1>\n

LMAX \u5904\u7406\u7684\u4e8b\u4ef6\u4e4b\u95f4\u662f\u6709\u524d\u540e\u987a\u5e8f\u5f71\u54cd\u7684\u3002\u5982\u679c\u4e8b\u52a1\u4e4b\u95f4\u662f\u72ec\u7acb\u7684\uff0c\u4f7f\u7528\u72ec\u7acb\u7684\u5904\u7406\u5668\u6838\u53bb\u5e76\u884c\u5904\u7406\u662f\u66f4\u6709\u5438\u5f15\u529b\u7684\u3002<\/p>\n

\n

\u6b22\u8fce\u5173\u6ce8\u6211\u7684\u5fae\u4fe1\u516c\u4f17\u53f7: coderbee\u7b14\u8bb0<\/strong> \u3002
\n<\/p>\n","protected":false},"excerpt":{"rendered":"

\u539f\u6587 The LMAX Architecture \u539f\u6587\u4ecb\u7ecd\u4e86 LMAX \u652f\u6301\u9ad8\u6027 … \u7ee7\u7eed\u9605\u8bfb →<\/span><\/a><\/p>\n","protected":false},"author":1,"featured_media":0,"comment_status":"open","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[255],"tags":[79,260],"_links":{"self":[{"href":"https:\/\/coderbee.net\/index.php\/wp-json\/wp\/v2\/posts\/2113"}],"collection":[{"href":"https:\/\/coderbee.net\/index.php\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/coderbee.net\/index.php\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/coderbee.net\/index.php\/wp-json\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"https:\/\/coderbee.net\/index.php\/wp-json\/wp\/v2\/comments?post=2113"}],"version-history":[{"count":6,"href":"https:\/\/coderbee.net\/index.php\/wp-json\/wp\/v2\/posts\/2113\/revisions"}],"predecessor-version":[{"id":2119,"href":"https:\/\/coderbee.net\/index.php\/wp-json\/wp\/v2\/posts\/2113\/revisions\/2119"}],"wp:attachment":[{"href":"https:\/\/coderbee.net\/index.php\/wp-json\/wp\/v2\/media?parent=2113"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/coderbee.net\/index.php\/wp-json\/wp\/v2\/categories?post=2113"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/coderbee.net\/index.php\/wp-json\/wp\/v2\/tags?post=2113"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}