{"id":5198,"date":"2021-05-08T10:50:28","date_gmt":"2021-05-08T02:50:28","guid":{"rendered":"https:\/\/www.xttblog.com\/?p=5198"},"modified":"2021-05-08T10:50:28","modified_gmt":"2021-05-08T02:50:28","slug":"%e4%bb%8e%e6%a0%b9%e4%b8%8a%e7%90%86%e8%a7%a3-redis-rdb-%e7%9a%84%e5%ba%95%e5%b1%82%e5%8e%9f%e7%90%86%ef%bc%81","status":"publish","type":"post","link":"https:\/\/www.xttblog.com\/?p=5198","title":{"rendered":"\u4ece\u6839\u4e0a\u7406\u89e3 Redis RDB \u7684\u5e95\u5c42\u539f\u7406\uff01"},"content":{"rendered":"\n<p class=\"wp-block-paragraph\">\u6700\u8fd1\u4e24\u5e74\u5f88\u5fd9\uff0c\u6ca1\u591a\u4f59\u65f6\u95f4\u5199\u6587\u7ae0\uff01\u4e4b\u524d\u7684\u51e0\u5e74\uff0c\u6211\u8fd8\u5199\u8fc7\u4e0d\u5c11\uff0c\u5176\u4e2d\u6709\u5f88\u591a\u7cfb\u5217\u662f\u4ece\u6839\u4e0a\u7406\u89e3\u6765\u5c55\u5f00\u7684\uff0c\u4eca\u5929\u62bd\u4e2a\u65f6\u95f4\uff0c\u6211\u4eec\u518d\u6765\u4e00\u7bc7\u300a\u4ece\u6839\u4e0a\u7406\u89e3 Redis RDB \u7684\u5e95\u5c42\u539f\u7406\u300b\u3002\u4e0b\u9762\u662f\u6b63\u6587\uff1a<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">\u6211\u662f\u4e2a redis \u670d\u52a1\uff0c\u6211\u53ef\u80fd\u9a6c\u4e0a\u5c31\u8981\u6302\u4e86\uff01<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">\u6211\u5df2\u7ecf\u8fd0\u884c\u4e86\u597d\u51e0\u5e74\u4e86\uff0c\u6211\u7684\u5185\u5b58\u4e2d\u5b58\u50a8\u7740\u597d\u591a\u952e\u503c\u5bf9\u3002<\/p>\n\n\n\n<div class=\"wp-block-image\"><figure class=\"aligncenter\"><img decoding=\"async\" src=\"https:\/\/cdn.jsdelivr.net\/gh\/xmt1139057136\/xttblog\/2021\/05\/rdb0.png\" alt=\"\" \/><figcaption>Redis \u5185\u5b58\u4e2d\u7684\u952e\u503c\u5bf9<\/figcaption><\/figure><\/div>\n\n\n\n<p class=\"wp-block-paragraph\">\u5982\u679c\u6211\u6302\u4e86\uff0c\u90a3\u6837\u6211\u5185\u5b58\u4e2d\u7684\u6570\u636e\u5c31\u5168\u6ca1\u4e86\u3002<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">\u6211\u5f97\u60f3\u4e2a\u529e\u6cd5\uff0c\u65f6\u4e0d\u65f6\u628a\u6570\u636e\u590d\u5236\u5230\u786c\u76d8\u4e0a\u4fdd\u5b58\u8d77\u6765\u3002\u6211\u628a\u8fd9\u4e2a\u4f1f\u5927\u7684\u8ba1\u5212\uff0c\u79f0\u4e3a\u6301\u4e45\u5316\u8ba1\u5212\u3002<\/p>\n\n\n\n<h2 class=\"wp-block-heading\">\u505c\u4e0b\u624b\u5934\u7684\u5de5\u4f5c<\/h2>\n\n\n\n<p class=\"wp-block-paragraph\">\u7531\u4e8e\u6211\u662f\u4e00\u4e2a\u5355\u7ebf\u7a0b\u7684\uff0c\u6211\u8981\u8fdb\u884c RDB\uff0c\u6211\u9996\u5148\u60f3\u5230\u7684\u6700\u7b80\u5355\u7684\u529e\u6cd5\uff0c\u5c31\u662f\u5148\u62d2\u7edd\u65b0\u6765\u7684\u547d\u4ee4\uff0c\u5f00\u59cb\u5c06\u5185\u5b58\u4e2d\u7684\u6570\u636e\u590d\u5236\u5230\u786c\u76d8\u3002\u7b49\u62f7\u8d1d\u5b8c\u6210\u540e\uff0c\u518d\u5f00\u59cb\u63a5\u53d7\u65b0\u547d\u4ee4\u3002<\/p>\n\n\n\n<div class=\"wp-block-image\"><figure class=\"aligncenter\"><img decoding=\"async\" src=\"https:\/\/cdn.jsdelivr.net\/gh\/xmt1139057136\/xttblog\/2021\/05\/rdb1.gif\" alt=\"\" \/><figcaption>\u5355\u7ebf\u7a0b\u7684 Redis \u5982\u4f55\u8fdb\u884c RDB\uff1f<\/figcaption><\/figure><\/div>\n\n\n\n<p class=\"wp-block-paragraph\">\u8fd9\u6837\u53ef\u4ee5\u4fdd\u8bc1\u6211\u62f7\u8d1d\u7684\u65f6\u5019\uff0c\u6ca1\u6709\u65b0\u6765\u7684\u547d\u4ee4\u4fee\u6539\u5185\u5b58\uff0c\u4e5f\u5373\u4fdd\u8bc1\u4e86\u65f6\u70b9\u6027\u3002<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">\u7b80\u5355\u8bf4\u5c31\u662f\uff0c\u6211\u4fdd\u5b58\u7684\u662f\u67d0\u4e00\u65f6\u523b\u7684 Redis \u5185\u5b58\u72b6\u6001\u3002<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">\u4f46\u8fd9\u6837\u6bcf\u6b21\u6301\u4e45\u5316\u90fd\u8981\u963b\u585e\u5ba2\u6237\u7aef\u547d\u4ee4\uff0c\u80af\u5b9a\u8981\u88ab\u9a82\u3002<\/p>\n\n\n\n<h2 class=\"wp-block-heading\">\u4e0d\u505c\u6b62\u624b\u5934\u7684\u5de5\u4f5c<\/h2>\n\n\n\n<p class=\"wp-block-paragraph\">\u6211\u4e0d\u60f3\u8fd9\u4e48 Low\uff0c\u6211\u7684\u5355\u7ebf\u7a0b\u9ad8\u6548\u7387\u4e0d\u662f\u767d\u53eb\u7684\uff0c\u6211\u5fc5\u987b\u60f3\u529e\u6cd5\u8fdb\u884c\u9ad8\u6548\u7684 RDB\u3002<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">\u8fd9\u597d\u529e\uff0c\u90a3\u6211\u5c31\u4e0d\u505c\u6b62\u624b\u5934\u7684\u5de5\u4f5c\u5457\uff0c\u4e00\u8fb9\u63a5\u53d7\u547d\u4ee4\uff0c\u4e00\u8fb9\u505a\u6301\u4e45\u5316\uff0c\u5982\u4e0b\u3002<\/p>\n\n\n\n<div class=\"wp-block-image\"><figure class=\"aligncenter\"><img decoding=\"async\" src=\"https:\/\/cdn.jsdelivr.net\/gh\/xmt1139057136\/xttblog\/2021\/05\/rdb2.gif\" alt=\"\" \/><figcaption>Redis \u7684 rdb \u5237\u76d8<\/figcaption><\/figure><\/div>\n\n\n\n<p class=\"wp-block-paragraph\">\u8fd9\u6837\u6548\u7387\u63d0\u9ad8\u4e86\u4e0d\u5c11\uff0c\u6301\u4e45\u5316\u4e0d\u518d\u963b\u585e\u5ba2\u6237\u7aef\u6267\u884c\u547d\u4ee4\u4e86\u3002<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">\u4f46\u662f\uff0c\u4f60\u6709\u6ca1\u6709\u6ce8\u610f\u5230\uff0c\u5185\u5b58\u4e2d\uff0c\u67d0\u4e00\u65f6\u523b\u7684\u6570\u636e\uff0c\u53ea\u6709\u4e09\u79cd\u60c5\u51b5\uff1a<\/p>\n\n\n\n<div class=\"wp-block-image\"><figure class=\"aligncenter\"><img decoding=\"async\" src=\"https:\/\/cdn.jsdelivr.net\/gh\/xmt1139057136\/xttblog\/2021\/05\/rdb3.png\" alt=\"\" \/><figcaption>Redis \u5185\u5b58\u590d\u5236\u4e0d\u4e00\u81f4<\/figcaption><\/figure><\/div>\n\n\n\n<p class=\"wp-block-paragraph\">\u800c\u6b64\u65f6\u786c\u76d8\u4e2d\u6301\u4e45\u5316\u7684\u6570\u636e\u662f\uff1a<\/p>\n\n\n\n<blockquote class=\"wp-block-quote is-layout-flow wp-block-quote-is-layout-flow\"><p>\u95ea\u5ba2 18 \u6c42\u4e09\u8fde<\/p><\/blockquote>\n\n\n\n<p class=\"wp-block-paragraph\">\u5b83\u65e0\u6cd5\u8868\u793a\u4efb\u4f55\u4e00\u4e2a\u65f6\u523b\u7684\u5185\u5b58\u6570\u636e\u3002<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">\u90a3\u8fd9\u6837\u7684\u5feb\u7167\u5c31\u5931\u53bb\u4e86\u610f\u4e49\uff0c\u4e5f\u5373\u6ca1\u6709\u4fdd\u8bc1\u65f6\u70b9\u6027\u3002<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">\u8fd9\u663e\u7136\u4e5f\u662f\u4e0d\u884c\u7684\u3002<\/p>\n\n\n\n<h2 class=\"wp-block-heading\">\u5148\u590d\u5236\u4e00\u4efd\u5185\u5b58<\/h2>\n\n\n\n<p class=\"wp-block-paragraph\">\u8fd9\u53ef\u548b\u529e\u5462\uff1f<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">\u505c\u6b62\u624b\u5934\u7684\u5de5\u4f5c\u53ef\u4ee5\u4fdd\u8bc1\u65f6\u70b9\u6027\uff0c\u4f46\u963b\u585e\u4e86\u5ba2\u6237\u7aef\u3002<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">\u4e0d\u505c\u6b62\u624b\u5934\u7684\u5de5\u4f5c\uff0c\u867d\u7136\u4e0d\u963b\u585e\u5ba2\u6237\u7aef\uff0c\u4f46\u53c8\u65e0\u6cd5\u4fdd\u8bc1\u65f6\u70b9\u6027\u3002<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">\u771f\u4ee4\u4eba\u5934\u5927\u554a\u3002<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">\u6293\u4e86\u4e00\u4f1a\u5934\u76ae\u540e\uff0c\u6211\u51b7\u9759\u4e86\u4e0b\u6765\uff0c\u5f00\u59cb\u5206\u6790\u3002<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">\u65f6\u70b9\u6027\u662f\u5fc5\u987b\u4fdd\u8bc1\u7684\uff0c\u5426\u5219\u5feb\u7167\u5c31\u6ca1\u6709\u4e86\u610f\u4e49\uff0c<strong>\u90a3\u5c31\u53ea\u80fd\u5c1d\u8bd5\u5c06\u963b\u585e\u5ba2\u6237\u7aef\u7684\u65f6\u95f4\u53d8\u77ed\u4e00\u70b9\u4e86\u3002<\/strong><\/p>\n\n\n\n<p class=\"wp-block-paragraph\">\u4e4b\u524d\u7684\u963b\u585e\u5ba2\u6237\u7aef\u65f6\u95f4\uff0c\u662f\u6d88\u8017\u5728\u6301\u4e45\u5316\uff0c\u4e5f\u5c31\u662f\u5185\u5b58\u62f7\u8d1d\u5230\u786c\u76d8\u8fd9\u4e2a\u8fc7\u7a0b\u3002<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">\u4f18\u5316\u4e00\u4e0b\uff0c\u5148\u4ece\u5185\u5b58\u4e2d\u62f7\u8d1d\u4e00\u4efd\u5230\u53e6\u4e00\u5757\u5185\u5b58\u7a7a\u95f4\uff0c\u7136\u540e\u518d\u5bf9\u8fd9\u5757\u65b0\u7684\u5185\u5b58\u7a7a\u95f4\u8fdb\u884c\u6301\u4e45\u5316\u3002<\/p>\n\n\n\n<div class=\"wp-block-image\"><figure class=\"aligncenter\"><img decoding=\"async\" src=\"https:\/\/cdn.jsdelivr.net\/gh\/xmt1139057136\/xttblog\/2021\/05\/rdb4.gif\" alt=\"\" \/><figcaption>Redis \u5185\u5b58\u590d\u5236<\/figcaption><\/figure><\/div>\n\n\n\n<p class=\"wp-block-paragraph\">\u8fd9\u6837\uff0c\u6301\u4e45\u5316\u7684\u8fc7\u7a0b\u4e0d\u803d\u8bef\u5ba2\u6237\u7aef\u547d\u4ee4\uff0c\u540c\u65f6\u4e0d\u53d7\u5ba2\u6237\u7aef\u547d\u4ee4\u5f71\u54cd\uff0c\u4fdd\u8bc1\u4e86\u65f6\u70b9\u6027\u3002<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">\u800c\u963b\u585e\u5ba2\u6237\u7aef\u7684\u65f6\u95f4\uff0c\u4ec5\u4ec5\u662f\u5185\u5b58\u4e0e\u5185\u5b58\u4e4b\u95f4\u62f7\u8d1d\u4e00\u4efd\u6570\u636e\u7684\u65f6\u95f4\uff0c\u76f8\u6bd4\u4e8e\u6574\u4e2a\u6301\u4e45\u5316\u8fc7\u7a0b\uff0c\u53ef\u4ee5\u5ffd\u7565\u4e0d\u8ba1\u3002<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">\u5b8c\u7f8e\uff01<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">\u5e26\u7740\u8fd9\u5957\u5b8c\u7f8e\u7684\u65b9\u6848\uff0c\u6211\u53bb\u627e\u6211\u7684\u4e3b\u4eba\u9080\u529f\u4e86\u3002<\/p>\n\n\n\n<h2 class=\"wp-block-heading\">\u5199\u65f6\u590d\u5236<\/h2>\n\n\n\n<p class=\"wp-block-paragraph\">\u6211\uff1a\u4e3b\u4eba\uff0c\u6211\u505a\u597d\u6301\u4e45\u5316\u65b9\u6848\u5566\uff01<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">\u4e3b\u4eba\uff1a\u55ef\u6211\u770b\u770b\u2026 \u54ce\u5440\uff0c\u628a\u5185\u5b58\u590d\u5236\u4e00\u4efd\uff0c\u8fd9\u4e2a\u60f3\u6cd5\u5f88\u597d\uff0c\u4f46\u662f\u5dee\u4e86\u70b9\u706b\u5019\u5440\uff0c\u4f60\u5bf9\u64cd\u4f5c\u7cfb\u7edf\u4e86\u89e3\u7684\u8fd8\u4e0d\u591f\u6df1\u5165\u3002<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">\u6211\uff1a\u554a\uff0c\u4e3a\u5565\u5462\uff1f<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">\u4e3b\u4eba\uff1a\u4f60\u60f3\u60f3\u770b\uff0c\u4f60\u73b0\u5728\u7684\u76ee\u7684\uff0c\u5c31\u662f\u4e3a\u4e86\u8ba9\u6301\u4e45\u5316\u548c\u5904\u7406\u5ba2\u6237\u7aef\u547d\u4ee4\u7684\u8fd9\u4e24\u4e2a\u8fc7\u7a0b\u6240\u7528\u5230\u7684\u5185\u5b58\u7a7a\u95f4\u9694\u79bb\u5f00\uff0c\u662f\u4e0d\u662f\uff1f<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">\u6211\uff1a\u55ef\u55ef\u662f\u7684\u3002<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">\u4e3b\u4eba\uff1a\u5bf9\u5440\uff0c\u90a3\u5176\u5b9e\u4f60\u53ea\u9700\u8981\u65b0\u5efa\u4e00\u4e2a\u8fdb\u7a0b\u53bb\u505a\u6301\u4e45\u5316\u7684\u8fc7\u7a0b\u5373\u53ef\uff0c\u4e0d\u540c\u8fdb\u7a0b\u4e4b\u95f4\u7684\u5185\u5b58\u662f\u9694\u79bb\u7684\uff0c\u4e5f\u5c31\u662f\u65b0\u5efa\u4e00\u4e2a\u8fdb\u7a0b\uff0c\u4f1a\u5c06\u539f\u6709\u8fdb\u7a0b\u7684\u5185\u5b58\u7a7a\u95f4\u5b8c\u5168\u62f7\u8d1d\u4e00\u4efd\u65b0\u7684\u3002<\/p>\n\n\n\n<div class=\"wp-block-image\"><figure class=\"aligncenter\"><img decoding=\"async\" src=\"https:\/\/cdn.jsdelivr.net\/gh\/xmt1139057136\/xttblog\/2021\/05\/rdb5.png\" alt=\"\" \/><figcaption>Redis fork \u8fdb\u7a0b<\/figcaption><\/figure><\/div>\n\n\n\n<p class=\"wp-block-paragraph\">\u6211\uff1a\u554a\uff0c\u90a3\u8fd9\u4e0d\u662f\u548c\u6211\u81ea\u5df1\u590d\u5236\u4e00\u4efd\u5185\u5b58\u4e00\u6837\u561b\uff0c\u8017\u65f6\u5dee\u4e0d\u591a\u5427\uff1f<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">\u4e3b\u4eba\uff1a\u6211\u521a\u521a\u7684\u56fe\u53ea\u662f\u7ed9\u7528\u6237\u7684\u611f\u89c9\u662f\u8fd9\u6837\u7684\uff0c\u5b9e\u9645\u4e0a\uff0clinux \u91c7\u7528\u4e86\u5199\u65f6\u590d\u5236\u6280\u672f\uff0c\u5728 fork \u51fa\u5b50\u8fdb\u7a0b\u65f6\u5e76\u6ca1\u6709\u7acb\u523b\u5c06\u5185\u5b58\u8fdb\u884c\u62f7\u8d1d\uff0c\u4ec5\u4ec5\u662f\u62f7\u8d1d\u4e86\u4e00\u4efd\u6620\u5c04\u5173\u7cfb\uff0c\u8ba9\u5b83\u4eec\u6682\u65f6\u6307\u5411\u540c\u4e00\u4e2a\u5185\u5b58\u7a7a\u95f4\u3002<\/p>\n\n\n\n<div class=\"wp-block-image\"><figure class=\"aligncenter\"><img decoding=\"async\" src=\"https:\/\/cdn.jsdelivr.net\/gh\/xmt1139057136\/xttblog\/2021\/05\/rdb6.png\" alt=\"\" \/><figcaption>Redis fork \u8fdb\u7a0b\u7684\u5185\u5b58\u590d\u5236<\/figcaption><\/figure><\/div>\n\n\n\n<p class=\"wp-block-paragraph\">\u4e3b\u4eba\uff1a\u800c\u5f53\u7236\u5b50\u8fdb\u7a0b\u5bf9\u8fd9\u5757\u5185\u5b58\u7a7a\u95f4\u8fdb\u884c\u5199\u64cd\u4f5c\u65f6\uff0c\u624d\u4f1a\u771f\u6b63\u590d\u5236\u5185\u5b58\uff0c\u800c\u4e14\u662f\u4ee5\u9875\u4e3a\u5355\u4f4d\u3002<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">\u6211\uff1a\u539f\u6765\u5982\u6b64\uff0c\u4e5f\u5c31\u662f\u8bf4\uff0c\u6211\u53ef\u4ee5\u5229\u7528\u64cd\u4f5c\u7cfb\u7edf\u7684\u8fdb\u7a0b\u7684\u5199\u65f6\u590d\u5236\u5185\u5b58\u7684\u539f\u7406\uff0c\u6765\u4ee3\u66ff\u6211\u81ea\u5df1\u590d\u5236\u5168\u90e8\u5185\u5b58\u8fd9\u4e2a\u65b9\u6848\uff0c\u56e0\u4e3a\u6301\u4e45\u5316\u8fc7\u7a0b\uff0c\u5bf9\u5185\u5b58\u7684\u5199\u64cd\u4f5c\u60f3\u6765\u4e5f\u4e0d\u4f1a\u7279\u522b\u591a\uff0c\u5927\u591a\u6570\u503c\u90fd\u662f\u4e0d\u53d8\u7684\uff0c\u6240\u4ee5\u8fd9\u6837\u5c31\u63d0\u9ad8\u4e86\u6548\u7387\u3002<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">\u4e3b\u4eba\uff1a\u662f\u7684\uff0c\u6b63\u662f\u5982\u6b64\u3002<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">\u6211\uff1a\u5999\u5440\uff01<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">\u6211\u8d76\u7d27\u628a\u65b9\u6848\u4fee\u6539\u4e86\uff0c\u8981\u6301\u4e45\u5316\u65f6\u6211\u5c31 fork \u4e00\u4e2a\u5b50\u8fdb\u7a0b\u53bb\u505a\u8fd9\u4ef6\u4e8b\uff0c\u7531\u64cd\u4f5c\u7cfb\u7edf\u7684\u8fdb\u7a0b\u5185\u5b58\u9694\u79bb\u7684\u7279\u5f81\u66ff\u6211\u4fdd\u8bc1\u65f6\u70b9\u6027\uff0c\u5199\u65f6\u590d\u5236\u539f\u7406\u66ff\u6211\u4fdd\u8bc1\u6548\u7387\uff0c\u4e5f\u5c31\u662f\u51cf\u5c11\u5ba2\u6237\u7aef\u963b\u585e\u65f6\u95f4\uff0c\u4f2a\u4ee3\u7801\u5927\u6982\u662f\u8fd9\u4e2a\u6837\u5b50\u3002<\/p>\n\n\n\n<pre class=\"wp-block-code\"><code>void rdbSaveBackground() {\n    \/\/ \u5b50\u8fdb\u7a0b\u5904\u7406\uff08\u5229\u7528\u4e86\u64cd\u4f5c\u7cfb\u7edf\u7684\u5199\u65f6\u590d\u5236\u6280\u672f\uff09\n    if ((childpid = fork()) == 0) {\n        \/\/ \u843d\u76d8\u4e3b\u65b9\u6cd5\n        rdbSave();\n    }\n}<\/code><\/pre>\n\n\n\n<p class=\"wp-block-paragraph\">\u5b8c\u7f8e\uff01<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">\u8fd8\u6ca1\u5b9a\u7ed3\u6784\u5462<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">\u521a\u521a\u5149\u987e\u7740\u60f3\u6301\u4e45\u5316\u7684\u8fc7\u7a0b\u4e86\uff0c\u8fd8\u6ca1\u5b9a\u5199\u5230\u78c1\u76d8\u4e2d\u7684\u6570\u636e\u683c\u5f0f\u5462\u3002<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">\u90a3\u5c31\u5b9a\u4e00\u4e2a\u5457\u3002<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">\u5047\u5982\u6211\u7684 Redis \u5185\u5b58\u53ea\u6709\u4e00\u6761\u6570\u636e\uff0c\u662f\u901a\u8fc7\u4e0b\u9762\u7684\u547d\u4ee4\u5199\u5165\u7684\uff1a<\/p>\n\n\n\n<pre class=\"wp-block-code\"><code>set xttblog \u4e1a\u4f59\u8349<\/code><\/pre>\n\n\n\n<p class=\"wp-block-paragraph\">\u90a3\u6301\u4e45\u5316\u540e\u843d\u5230\u78c1\u76d8\u4e2d\u7684 rdb \u6587\u4ef6\u5c06\u4f1a\u662f\u8fd9\u4e2a\u6837\u5b50\u3002<\/p>\n\n\n\n<div class=\"wp-block-image\"><figure class=\"aligncenter\"><img decoding=\"async\" src=\"https:\/\/cdn.jsdelivr.net\/gh\/xmt1139057136\/xttblog\/2021\/05\/rdb7.png\" alt=\"\" \/><figcaption>Redis RDB \u4fdd\u5b58\u78c1\u76d8<\/figcaption><\/figure><\/div>\n\n\n\n<p class=\"wp-block-paragraph\">\u597d\u4e86\uff0c\u5927\u529f\u544a\u6210\uff0c\u6211\u518d\u4e5f\u4e0d\u7528\u62c5\u5fc3\u81ea\u5df1\u6302\u4e86\uff0c\u4f1a\u6709\u4eba\u5e2e\u6211\u4ece\u6301\u4e45\u5316\u6587\u4ef6\u4e2d\u6062\u590d\u6211\u7684\u5185\u5b58\u6570\u636e\u7684\u3002<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">\u4f46\u6ca1\u6765\u5f97\u53ca\u6301\u4e45\u5316\u7684\uff0c\u6211\u5c31\u4e0d\u7ba1\u4e86\u3002<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">\u5177\u4f53\u4ec0\u4e48\u65f6\u5019\u8fdb\u884c\u4e00\u6b21\u6301\u4e45\u5316\uff0c\u6211\u7ed9\u4e3b\u4eba\u7559\u4e86\u4e00\u4e2a\u914d\u7f6e<\/p>\n\n\n\n<pre class=\"wp-block-code\"><code>save m n<\/code><\/pre>\n\n\n\n<p class=\"wp-block-paragraph\">\u8868\u793a m \u79d2\u5185\u6570\u636e\u96c6\u5b58\u5728 n \u6b21\u4fee\u6539\u65f6\uff0c\u81ea\u52a8\u89e6\u53d1\u4e00\u6b21\u6301\u4e45\u5316\u3002<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">\u4e3b\u4eba\u4e5f\u53ef\u4ee5\u914d\u7f6e\u591a\u4e2a\u8fd9\u6837\u7684\u914d\u7f6e\u9879\u3002<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">\u800c\u6211\u4e5f\u597d\u5fc3\u7ed9\u4e3b\u4eba\u914d\u4e86\u4e2a\u9ed8\u8ba4\u7684\u914d\u7f6e\u9879\uff0c\u5e76\u5199\u4e86\u6bb5\u6ce8\u91ca\u3002<\/p>\n\n\n\n<pre class=\"wp-block-code\"><code># Save the DB on disk:\n#   In the example below the behaviour will be to save:\n#   after 900 sec (15 min) if at least 1 key changed\n#   after 300 sec (5 min) if at least 10 keys changed\n#   after 60 sec if at least 10000 keys changed\nsave 900 1\nsave 300 10\nsave 60 10000<\/code><\/pre>\n\n\n\n<p class=\"wp-block-paragraph\">\u6211\u60f3\u4ee5\u4e3b\u4eba\u7684\u82f1\u6587\u6c34\u5e73\uff0c\u5e94\u8be5\u53ef\u4ee5\u8bfb\u5f97\u61c2\u3002<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">\u597d\u5566\uff0c\u8fd9\u56de\u771f\u7684\u662f\u5927\u529f\u544a\u6210\u4e86\uff01<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">\u8fd9\u4e2a\u7834\u73a9\u610f\uff0c\u6211\u7ed9\u8d77\u4e2a\u540d\u5b57\uff0c\u5c31\u53eb RDB\u3002<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">\u6ca1\u4ec0\u4e48\u7279\u522b\u7684\u542b\u4e49\uff0c\u5176\u5b9e\u5c31\u662f\u7528\u6211\u7684\u540d\u5b57\u4f5c\u4e3a\u5f00\u5934\uff0cRedis DB \u800c\u5df2\u3002<\/p>\n\n\n\n<h2 class=\"wp-block-heading\">\u53c2\u8003\u8d44\u6599<\/h2>\n\n\n\n<ul class=\"wp-block-list\"><li><a rel=\"noreferrer noopener\" aria-label=\"https:\/\/redis.io\/topics\/persistence\uff08\u5728\u65b0\u7a97\u53e3\u6253\u5f00\uff09\" href=\"https:\/\/redis.io\/topics\/persistence\" target=\"_blank\">https:\/\/redis.io\/topics\/persistence<\/a><\/li><li><a href=\"https:\/\/mp.weixin.qq.com\/s\/GXnNSLqiAN0HDQMYE0yhug\">https:\/\/mp.weixin.qq.com\/s\/GXnNSLqiAN0HDQMYE0yhug<\/a><\/li><\/ul>\n<!-- <audio autoplay=\"autoplay\" height=\"100\" width=\"100\" hidden=\"true\"><source src=\"https:\/\/c.coka.la\/orAvPR.mp3\" type=\"audio\/mp3\"\/><\/audio><img decoding=\"async\" src=\"https:\/\/images.weserv.nl\/?url=https:\/\/ws3.sinaimg.cn\/large\/8fa5dcfcgy1g4em3rzar5j20ib089ae0.jpg\" alt=\"\u4e1a\u4f59\u8349\u516c\u4f17\u53f7\"\/> --><p><!-- <img decoding=\"async\" src=\"https:\/\/raw.githubusercontent.com\/xmt1139057136\/xttblog\/master\/8fa5dcfcgy1g4em3rzar5j20ib089ae0.jpg\" alt=\"\u4e1a\u4f59\u8349\u516c\u4f17\u53f7\"\/>--><img decoding=\"async\" src=\"https:\/\/saas.51autoparts.cn\/api\/admin\/sys-file\/oss\/file?fileName=84db51f8561e448f9a4fda2eff0811f9.jpg\" alt=\"\u4e1a\u4f59\u8349\u516c\u4f17\u53f7\"\/><\/p><p>\u6700\u540e\uff0c\u6b22\u8fce\u5173\u6ce8\u6211\u7684\u4e2a\u4eba\u5fae\u4fe1\u516c\u4f17\u53f7\uff1a\u4e1a\u4f59\u8349\uff08yyucao\uff09\uff01<b>\u53ef\u52a0\u4f5c\u8005\u5fae\u4fe1\u53f7\uff1a<font color=\"red\">xttblog2<\/font>\u3002\u5907\u6ce8\uff1a\u201c1\u201d\uff0c\u6dfb\u52a0\u535a\u4e3b\u5fae\u4fe1\u62c9\u4f60\u8fdb\u5fae\u4fe1\u7fa4\u3002\u5907\u6ce8\u9519\u8bef\u4e0d\u4f1a\u540c\u610f\u597d\u53cb\u7533\u8bf7\u3002<\/b>\u518d\u6b21\u611f\u8c22\u60a8\u7684\u5173\u6ce8\uff01\u540e\u7eed\u6709\u7cbe\u5f69\u5185\u5bb9\u4f1a\u7b2c\u4e00\u65f6\u95f4\u53d1\u7ed9\u60a8\uff01\u539f\u521b\u6587\u7ae0\u6295\u7a3f\u8bf7\u53d1\u9001\u81f3532009913@qq.com\u90ae\u7bb1\u3002\u5546\u52a1\u5408\u4f5c\u4e5f\u53ef\u6dfb\u52a0\u4f5c\u8005\u5fae\u4fe1\u8fdb\u884c\u8054\u7cfb\uff01<\/p><p>\u672c\u6587\u539f\u6587\u51fa\u5904\uff1a<a href=\"https:\/\/www.xttblog.com\">\u4e1a\u4f59\u8349<\/a>\uff1a &raquo; <a href=\"https:\/\/www.xttblog.com\/?p=5198\">\u4ece\u6839\u4e0a\u7406\u89e3 Redis RDB \u7684\u5e95\u5c42\u539f\u7406\uff01<\/a><\/p><!-- <div class=\"bd-reward-stl\"><button id=\"bdRewardBtn\"><span><\/span><\/button><\/div> -->","protected":false},"excerpt":{"rendered":"<p>\u6700\u8fd1\u4e24\u5e74\u5f88\u5fd9\uff0c\u6ca1\u591a\u4f59\u65f6\u95f4\u5199\u6587\u7ae0\uff01\u4e4b\u524d\u7684\u51e0\u5e74\uff0c\u6211\u8fd8\u5199\u8fc7\u4e0d\u5c11\uff0c\u5176\u4e2d\u6709\u5f88\u591a\u7cfb\u5217\u662f\u4ece\u6839\u4e0a\u7406\u89e3\u6765\u5c55\u5f00\u7684\uff0c\u4eca\u5929\u62bd\u4e2a\u65f6\u95f4\uff0c\u6211 [&hellip;]<\/p>\n","protected":false},"author":2,"featured_media":0,"comment_status":"closed","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[5],"tags":[669,672,1876,1879,1877],"class_list":["post-5198","post","type-post","status-publish","format-standard","hentry","category-java","tag-redis","tag-redis-cluster","tag-redis-hgetall-","tag-redis-hgetall"],"_links":{"self":[{"href":"https:\/\/www.xttblog.com\/index.php?rest_route=\/wp\/v2\/posts\/5198","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/www.xttblog.com\/index.php?rest_route=\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/www.xttblog.com\/index.php?rest_route=\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/www.xttblog.com\/index.php?rest_route=\/wp\/v2\/users\/2"}],"replies":[{"embeddable":true,"href":"https:\/\/www.xttblog.com\/index.php?rest_route=%2Fwp%2Fv2%2Fcomments&post=5198"}],"version-history":[{"count":1,"href":"https:\/\/www.xttblog.com\/index.php?rest_route=\/wp\/v2\/posts\/5198\/revisions"}],"predecessor-version":[{"id":5199,"href":"https:\/\/www.xttblog.com\/index.php?rest_route=\/wp\/v2\/posts\/5198\/revisions\/5199"}],"wp:attachment":[{"href":"https:\/\/www.xttblog.com\/index.php?rest_route=%2Fwp%2Fv2%2Fmedia&parent=5198"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/www.xttblog.com\/index.php?rest_route=%2Fwp%2Fv2%2Fcategories&post=5198"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/www.xttblog.com\/index.php?rest_route=%2Fwp%2Fv2%2Ftags&post=5198"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}