{"id":30182,"date":"2023-05-17T15:53:59","date_gmt":"2023-05-17T07:53:59","guid":{"rendered":"https:\/\/docs.pingcode.com\/?p=30182"},"modified":"2023-07-30T23:57:39","modified_gmt":"2023-07-30T15:57:39","slug":"%e4%b8%ba%e4%bb%80%e4%b9%88%e4%b8%8d%e7%94%a8redis%e5%81%9a%e4%b8%bb%e6%95%b0%e6%8d%ae%e5%ba%93%ef%bc%8c%e5%8f%aa%e7%94%a8%e5%ae%83%e5%81%9a%e7%bc%93%e5%ad%98","status":"publish","type":"post","link":"https:\/\/docs.pingcode.com\/ask\/30182.html","title":{"rendered":"\u4e3a\u4ec0\u4e48\u4e0d\u7528redis\u505a\u4e3b\u6570\u636e\u5e93\uff0c\u53ea\u7528\u5b83\u505a\u7f13\u5b58"},"content":{"rendered":"<blockquote class=\"wp-block-quote\">\n<p>\u56e0\u4e3aRedis\u662f\u5185\u5b58\u6570\u636e\u5e93\uff0c\u8fd9\u610f\u5473\u7740\u5b83\u5c06\u6240\u6709\u6570\u636e\u5b58\u50a8\u5728\u5185\u5b58\u4e2d\uff0c\u800c\u4e0d\u662f\u5728\u786c\u76d8\u4e0a\u3002\u8fd9\u4f7f\u5f97Redis\u7684\u8bfb\u5199\u901f\u5ea6\u975e\u5e38\u5feb\uff0c\u4f46\u4e5f\u4f7f\u5f97\u5b83\u975e\u5e38\u9002\u5408\u5b58\u50a8\u4e34\u65f6\u6570\u636e\uff0c\u800c\u4e0d\u662f\u6301\u4e45\u6570\u636e\u3002<\/p>\n<\/blockquote>\n<div class=\"wp-block-image\">\n<figure class=\"aligncenter size-full\"><img fetchpriority=\"high\" alt=\"\" class=\"wp-image-30183\" decoding=\"async\" height=\"421\" sizes=\"(max-width: 680px) 100vw, 680px\" src=\"https:\/\/cdn-docs.pingcode.com\/wp-content\/uploads\/2023\/05\/\u6dfb\u52a0\u6807\u9898-5-6.png?x-oss-process=image\/auto-orient,1\/format,webp\" srcset=\"https:\/\/cdn-docs.pingcode.com\/wp-content\/uploads\/2023\/05\/\u6dfb\u52a0\u6807\u9898-5-6.png?x-oss-process=image\/auto-orient,1\/format,webp 680w, https:\/\/cdn-docs.pingcode.com\/wp-content\/uploads\/2023\/05\/\u6dfb\u52a0\u6807\u9898-5-6-300x186.png 300w\" width=\"680\"\/><\/figure>\n<\/div>\n<h2 class=\"wp-block-heading\"><strong>\u4e00\u3001\u4e3a\u4ec0\u4e48\u4e0d\u7528redis\u505a\u4e3b\u6570\u636e\u5e93\uff0c\u53ea\u7528\u5b83\u505a\u7f13\u5b58<\/strong><\/h2>\n<h3 class=\"wp-block-heading\">1.<strong>Redis<\/strong><strong>\u7684\u5185\u5b58\u67b6\u6784<\/strong><\/h3>\n<p>Redis\u662f\u5185\u5b58\u6570\u636e\u5e93\uff0c\u8fd9\u610f\u5473\u7740\u5b83\u5c06\u6240\u6709\u6570\u636e\u5b58\u50a8\u5728\u5185\u5b58\u4e2d\uff0c\u800c\u4e0d\u662f\u5728\u786c\u76d8\u4e0a\u3002\u8fd9\u4f7f\u5f97Redis\u7684\u8bfb\u5199\u901f\u5ea6\u975e\u5e38\u5feb\uff0c\u4f46\u4e5f\u4f7f\u5f97\u5b83\u975e\u5e38\u9002\u5408\u5b58\u50a8\u4e34\u65f6\u6570\u636e\uff0c\u800c\u4e0d\u662f\u6301\u4e45\u6570\u636e\u3002\u5982\u679c\u6211\u4eec\u5c06Redis\u7528\u4f5c\u4e3b\u6570\u636e\u5e93\uff0c\u6211\u4eec\u7684\u6570\u636e\u5c06\u4e0d\u80fd\u6301\u4e45\u5316\uff0c\u4e5f\u5c31\u662f\u8bf4\uff0c\u5982\u679c\u670d\u52a1\u5668\u5d29\u6e83\u6216\u65ad\u7535\uff0c\u6211\u4eec\u5c06\u5931\u53bb\u6240\u6709\u6570\u636e\u3002\u8fd9\u662f\u56e0\u4e3aRedis\u7684\u6570\u636e\u5b58\u50a8\u5728\u5185\u5b58\u4e2d\uff0c\u4e00\u65e6\u670d\u52a1\u5668\u91cd\u542f\uff0c\u5185\u5b58\u4e2d\u7684\u6570\u636e\u5c06\u88ab\u6e05\u7a7a\uff0c\u6240\u6709\u7684\u6570\u636e\u5c06\u4e22\u5931\u3002<\/p>\n<h3 class=\"wp-block-heading\">2.<strong>Redis<\/strong><strong>\u7684\u5355\u7ebf\u7a0b\u67b6\u6784<\/strong><\/h3>\n<p>Redis\u662f\u5355\u7ebf\u7a0b\u7684\uff0c\u8fd9\u610f\u5473\u7740\u5b83\u4e00\u6b21\u53ea\u80fd\u5904\u7406\u4e00\u4e2a\u8bf7\u6c42\u3002\u5982\u679c\u6211\u4eec\u5c06Redis\u7528\u4f5c\u4e3b\u6570\u636e\u5e93\uff0c\u5f53\u5e76\u53d1\u8bf7\u6c42\u589e\u52a0\u65f6\uff0cRedis\u5c06\u65e0\u6cd5\u5904\u7406\u5b83\u4eec\uff0c\u4ece\u800c\u5bfc\u81f4\u6027\u80fd\u95ee\u9898\u548c\u54cd\u5e94\u65f6\u95f4\u5ef6\u8fdf\u3002\u76f8\u6bd4\u4e4b\u4e0b\uff0c\u50cfMySQL\u8fd9\u6837\u7684\u5173\u7cfb\u578b\u6570\u636e\u5e93\u53ef\u4ee5\u5904\u7406\u591a\u4e2a\u8bf7\u6c42\u3002\u5982\u679c\u6211\u4eec\u6709\u5927\u91cf\u7684\u5e76\u53d1\u8bf7\u6c42\u9700\u8981\u5904\u7406\uff0cRedis\u53ef\u80fd\u4f1a\u6210\u4e3a\u6027\u80fd\u74f6\u9888\u3002<\/p>\n<h3 class=\"wp-block-heading\">3.<strong>Redis<\/strong><strong>\u4e0d\u652f\u6301SQL\u67e5\u8be2<\/strong><\/h3>\n<p>Redis\u4e0d\u652f\u6301SQL\u67e5\u8be2\uff0c\u8fd9\u610f\u5473\u7740\u6211\u4eec\u65e0\u6cd5\u4f7f\u7528SQL\u8bed\u8a00\u6765\u67e5\u8be2\u6570\u636e\u3002\u867d\u7136Redis\u63d0\u4f9b\u4e86\u4e00\u4e9b\u57fa\u672c\u7684\u67e5\u8be2\u529f\u80fd\uff0c\u4f46\u5b83\u65e0\u6cd5\u5904\u7406\u590d\u6742\u7684\u67e5\u8be2\u8bf7\u6c42\u3002\u76f8\u6bd4\u4e4b\u4e0b\uff0c\u50cfMySQL\u8fd9\u6837\u7684\u5173\u7cfb\u578b\u6570\u636e\u5e93\u63d0\u4f9b\u4e86\u5f3a\u5927\u7684SQL\u67e5\u8be2\u529f\u80fd\u3002\u5982\u679c\u6211\u4eec\u9700\u8981\u8fdb\u884c\u590d\u6742\u7684\u67e5\u8be2\uff0cRedis\u53ef\u80fd\u4f1a\u65e0\u6cd5\u80dc\u4efb\u3002<\/p>\n<h3 class=\"wp-block-heading\">4.<strong>\u793a\u4f8b\uff1aRedis\u4f5c\u4e3a\u4e3b\u6570\u636e\u5e93\u53ef\u80fd\u4f1a\u5bfc\u81f4\u6570\u636e\u4e22\u5931<\/strong><\/h3>\n<p>\u4ee5\u4e0b\u662f\u4e00\u4e2a\u7b80\u5355\u7684\u793a\u4f8b\uff0c\u4e3b\u8981\u8bf4\u660e\u4e3a\u4ec0\u4e48\u4f7f\u7528Redis\u4f5c\u4e3a\u4e3b\u6570\u636e\u5e93\u53ef\u80fd\u4f1a\u5bfc\u81f4\u6570\u636e\u4e22\u5931\u3002\u5047\u8bbe\u6211\u4eec\u6b63\u5728\u6784\u5efa\u4e00\u4e2a\u5728\u7ebf\u5546\u5e97\uff0c\u5e76\u4f7f\u7528Redis\u6765\u5b58\u50a8\u5e93\u5b58\u91cf\u3002\u6211\u4eec\u5c06\u5546\u54c1\u6570\u91cf\u5b58\u50a8\u5728Redis\u4e2d\uff0c\u5e76\u5728\u6bcf\u6b21\u9500\u552e\u540e\u51cf\u5c11\u5e93\u5b58\u91cf\u3002\u5982\u679c\u6211\u4eec\u4f7f\u7528Redis\u4f5c\u4e3a\u4e3b\u6570\u636e\u5e93\uff0c\u5f53\u670d\u52a1\u5668\u5d29\u6e83\u65f6\uff0c\u6211\u4eec\u5c06\u5931\u53bb\u6240\u6709\u5e93\u5b58\u6570\u636e\u3002\u5982\u679c\u6211\u4eec\u4f7f\u7528MySQL\u7b49\u5173\u7cfb\u578b\u6570\u636e\u5e93\uff0c\u6211\u4eec\u53ef\u4ee5\u5c06\u5e93\u5b58\u6570\u636e\u6301\u4e45\u5316\u5e76\u5728\u670d\u52a1\u5668\u5d29\u6e83\u540e\u6062\u590d\u5b83\u4eec\u3002<\/p>\n<p>import redis<\/p>\n<p>r = redis.Redis(host=\u2019localhost\u2019, port=6379, db=0)<\/p>\n<p># \u5047\u8bbe\u6211\u4eec\u6709100\u4e2a\u5546\u54c1<\/p>\n<p>r.set(\u2018inventory\u2019, 100)<\/p>\n<p># \u5f53\u6709\u4eba\u8d2d\u4e70\u4e00\u4e2a\u5546\u54c1\u65f6\uff0c\u6211\u4eec\u51cf\u5c11\u5e93\u5b58\u91cf<\/p>\n<p>r.decr(\u2018inventory\u2019)<\/p>\n<p># \u5f53\u670d\u52a1\u5668\u5d29\u6e83\u5e76\u91cd\u542f\u65f6\uff0c\u6211\u4eec\u5c06\u5931\u53bb\u6240\u6709\u5e93\u5b58\u6570\u636e<\/p>\n<p><strong>\u5ef6\u4f38\u9605\u8bfb\uff1a<\/strong><\/p>\n<h2 class=\"wp-block-heading\"><strong>\u4e8c\u3001\u4e3b\u8981\u7684\u5355\u673a\u5b58\u50a8\u5f15\u64ce<\/strong><\/h2>\n<p>1\u3001\u54c8\u5e0c\u5b58\u50a8\uff1ahash\u7684CRUD\u662f\u975e\u5e38\u5feb\u7684\u3002\u4f46\u7f3a\u70b9\u662f\u4e0d\u652f\u6301\u987a\u5e8f\u626b\u63cf\u3002bitcask\u662f\u4e00\u4e2a\u57fa\u4e8ehash\u8868\u7ed3\u6784\u7684\u5b58\u50a8\u7cfb\u7edf\u3002\u4ed6\u5c06\u5199\u64cd\u4f5c\uff08\u5305\u62ec\u5220\u9664\u6807\u8bc6\uff09\u8ffd\u52a0\u5230\u6587\u4ef6\u5c3e\u3002\u5e76\u5b9a\u671f\u5408\u5e76\u65b0\u8001\u6587\u4ef6&amp;\u8bb0\u5f55\u3002<\/p>\n<p>2\u3001B\u6811\uff1a\u65e2\u652f\u6301\u968f\u673a\u8bfb\u53d6\u53c8\u652f\u6301\u8303\u56f4\u67e5\u627e\u7684\u7cfb\u7edf\u3002\u67e5\u627e\u65f6\u95f4\u590d\u6742\u5ea6\u4e3alogd(n)\uff08d\u4e3a\u6bcf\u4e2a\u8282\u70b9\u7684\u51fa\u5ea6\uff09\u3002Mysql\u7684InnoDB\u7684\u5f15\u64ce\u548cOS\u7684\u6587\u4ef6\u7cfb\u7edf\u4f7f\u7528\u7684\u5c31\u662fB+\u6811\u3002\uff08\u4e3a\u4ec0\u4e48\u9009\u62e9\u4f7f\u7528B\u6811\u7684\u53d8\u79cdB+\u6811\uff0c\u8bfb\u8005\u6709\u5174\u8da3\u53ef\u4ee5\u53bb\u63a2\u7a76\u4e0b\u3002\u63d0\u793a\uff1a\u78c1\u76d8\u8bfb\u53d6\uff09<\/p>\n<p>3\u3001LSM\u6811(Log Structured Merge Tree)\uff1a\u7531B+\u6570\u6539\u8fdb\u800c\u6765\u3002\u5176\u601d\u60f3\u4e3a\uff1a\u5c06\u589e\u91cf\u5199\u64cd\u4f5c\u4fdd\u5b58\u5728\u5185\u5b58\u4e2d\uff0c\u8d85\u8fc7\u9608\u503c\u65f6\u5237\u5165\u78c1\u76d8\uff0c\u4ece\u800c\u51cf\u5c11\u968f\u673a\u5199\u78c1\u76d8\u64cd\u4f5c\u3002\u8bfb\u64cd\u4f5c\u5219\u9700\u8981\u5408\u5e76\u78c1\u76d8\u6570\u636e\u548c\u5185\u5b58\u4e2d\u7684\u5199\u64cd\u4f5c\u3002\u901a\u8fc7Memtable\/SSTable\u5b9e\u73b0\uff0c\u5b9e\u73b0\u7ec6\u8282\u5728\u6b64\u4e0d\u505a\u6df1\u5165\u63a2\u7a76\u3002\u6bd4\u8f83\u9002\u5408\u5199\u64cd\u4f5c\u8f83\u591a\u7684\u4e1a\u52a1\u573a\u666f\u3002BigTable\/HBase\/Cassandra\u4e2d\u7684\u5217\u7c07\u7684\u6570\u636e\u5b58\u50a8\u65b9\u5f0f\u91c7\u7528\u7684\u5373\u662fLSM\u6811\u3002<\/p>\n","protected":false},"excerpt":{"rendered":"\u56e0\u4e3aRedis\u662f\u5185\u5b58\u6570\u636e\u5e93\uff0c\u8fd9\u610f\u5473\u7740\u5b83\u5c06\u6240\u6709\u6570\u636e\u5b58\u50a8\u5728\u5185\u5b58\u4e2d\uff0c\u800c\u4e0d\u662f\u5728\u786c\u76d8\u4e0a\u3002\u8fd9\u4f7f\u5f97Redis\u7684\u8bfb\u5199\u901f\u5ea6\u975e\u5e38\u5feb [&hellip;]","protected":false},"author":1,"featured_media":30183,"comment_status":"closed","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"_acf_changed":false,"footnotes":""},"categories":[37],"tags":[],"acf":[],"_links":{"self":[{"href":"https:\/\/docs.pingcode.com\/wp-json\/wp\/v2\/posts\/30182"}],"collection":[{"href":"https:\/\/docs.pingcode.com\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/docs.pingcode.com\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/docs.pingcode.com\/wp-json\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"https:\/\/docs.pingcode.com\/wp-json\/wp\/v2\/comments?post=30182"}],"version-history":[{"count":0,"href":"https:\/\/docs.pingcode.com\/wp-json\/wp\/v2\/posts\/30182\/revisions"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/docs.pingcode.com\/wp-json\/wp\/v2\/media\/30183"}],"wp:attachment":[{"href":"https:\/\/docs.pingcode.com\/wp-json\/wp\/v2\/media?parent=30182"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/docs.pingcode.com\/wp-json\/wp\/v2\/categories?post=30182"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/docs.pingcode.com\/wp-json\/wp\/v2\/tags?post=30182"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}