{"id":5861,"date":"2021-01-12T14:41:28","date_gmt":"2021-01-12T06:41:28","guid":{"rendered":"https:\/\/yanjingang.com\/blog\/?p=5861"},"modified":"2022-11-25T09:54:51","modified_gmt":"2022-11-25T01:54:51","slug":"redis%e4%b8%bb%e4%bb%8e%e5%a4%8d%e5%88%b6%e5%8e%9f%e7%90%86%e5%8f%8a%e6%bc%94%e5%8c%96","status":"publish","type":"post","link":"https:\/\/yanjingang.com\/blog\/?p=5861","title":{"rendered":"Redis\u4e3b\u4ece\u590d\u5236\u539f\u7406\u53ca\u5176\u6f14\u53d8"},"content":{"rendered":"<p>Redis \u7684\u4e3b\u4ece\u590d\u5236\u7ecf\u5386\u4e86\u591a\u6b21\u6f14\u5316\uff0c\u672c\u6587\u5c06\u4ece\u6700\u57fa\u672c\u7684\u539f\u7406\u548c\u5b9e\u73b0\u8bb2\u8d77\uff0c\u5e76\u6839\u636e\u5176\u7248\u672c\u8fed\u4ee3\u8fc7\u7a0b\uff0c\u9010\u6b65\u5448\u73b0\u5176\u4e3b\u4ece\u590d\u5236\u7684\u6f14\u5316\uff0c\u8ba9\u5927\u5bb6\u4e86\u89e3\u5230 Redis \u4e3b\u4ece\u590d\u5236\u7684\u539f\u7406\uff0c\u4ee5\u53ca\u5404\u4e2a\u6539\u8fdb\u7248\u672c\u89e3\u51b3\u4e86\u4ec0\u4e48\u95ee\u9898\uff0c\u6700\u7ec8\u770b\u5230 Redis 7.0 \u4e3b\u4ece\u590d\u5236\u7684\u5168\u8c8c\u3002<\/p>\n<h2><strong>\u00a0\u4e00\u3001\u4ec0\u4e48\u662f\u4e3b\u4ece\u590d\u5236\uff1f<\/strong><\/h2>\n<p>\u5728\u6570\u636e\u5e93\u8bed\u5883\u4e0b\uff0c\u590d\u5236\uff08replication\uff09\u5c31\u662f\u5c06\u6570\u636e\u4ece\u4e00\u4e2a\u6570\u636e\u5e93\u590d\u5236\u5230\u53e6\u4e00\u4e2a\u6570\u636e\u5e93\u4e2d\u3002\u4e3b\u4ece\u590d\u5236\uff0c\u662f\u5c06\u6570\u636e\u5e93\u5206\u4e3a\u4e3b\u8282\u70b9\u548c\u4ece\u8282\u70b9\uff0c\u4e3b\u8282\u70b9\u6e90\u6e90\u4e0d\u65ad\u5730\u5c06\u6570\u636e\u590d\u5236\u7ed9\u4ece\u8282\u70b9\uff0c\u4fdd\u8bc1\u4e3b\u4ece\u8282\u70b9\u4e2d\u5b58\u6709\u76f8\u540c\u7684\u6570\u636e\u3002<\/p>\n<p>\u6709\u4e86\u4e3b\u4ece\u590d\u5236\uff0c\u6570\u636e\u53ef\u4ee5\u6709\u591a\u4efd\u526f\u672c\uff0c\u8fd9\u5e26\u6765\u4e86\u591a\u79cd\u597d\u5904\uff1a<\/p>\n<ul>\n<li>\u7b2c\u4e00\uff0c\u63d0\u5347\u6570\u636e\u5e93\u7cfb\u7edf\u7684\u8bf7\u6c42\u5904\u7406\u80fd\u529b\u3002\u5355\u4e2a\u8282\u70b9\u80fd\u591f\u652f\u6491\u7684\u8bfb\u6d41\u91cf\u6709\u9650\uff0c\u90e8\u7f72\u591a\u4e2a\u8282\u70b9\uff0c\u5e76\u6784\u6210\u4e3b\u4ece\u5173\u7cfb\uff0c\u7528\u4e3b\u4ece\u590d\u5236\u4fdd\u6301\u4e3b\u4ece\u8282\u70b9\u6570\u636e\u4e00\u81f4\uff0c\u5982\u6b64\u4e3b\u4ece\u8282\u70b9\u4e00\u8d77\u63d0\u4f9b\u670d\u52a1\u3002<\/li>\n<li>\u7b2c\u4e8c\uff0c\u63d0\u5347\u6574\u4e2a\u7cfb\u7edf\u7684\u53ef\u7528\u6027\u3002\u56e0\u4e3a\u4ece\u8282\u70b9\u4e2d\u6709\u4e3b\u8282\u70b9\u6570\u636e\u7684\u526f\u672c\uff0c\u5f53\u4e3b\u8282\u70b9\u5b95\u673a\u540e\uff0c\u53ef\u4ee5\u7acb\u523b\u63d0\u5347\u5176\u4e2d\u4e00\u4e2a\u4ece\u8282\u70b9\u4e3a\u4e3b\u8282\u70b9\uff0c\u7ee7\u7eed\u63d0\u4f9b\u670d\u52a1\u3002<\/li>\n<\/ul>\n<p><a href=\"https:\/\/yanjingang.com\/blog\/wp-content\/uploads\/2022\/01\/redis7-1.png\"><img loading=\"lazy\" class=\"alignnone size-full wp-image-5862\" src=\"https:\/\/yanjingang.com\/blog\/wp-content\/uploads\/2022\/01\/redis7-1.png\" alt=\"\" width=\"998\" height=\"888\" srcset=\"https:\/\/yanjingang.com\/blog\/wp-content\/uploads\/2022\/01\/redis7-1.png 998w, https:\/\/yanjingang.com\/blog\/wp-content\/uploads\/2022\/01\/redis7-1-300x267.png 300w, https:\/\/yanjingang.com\/blog\/wp-content\/uploads\/2022\/01\/redis7-1-768x683.png 768w, https:\/\/yanjingang.com\/blog\/wp-content\/uploads\/2022\/01\/redis7-1-624x555.png 624w\" sizes=\"(max-width: 998px) 100vw, 998px\" \/><\/a><\/p>\n<h2><strong>\u00a0\u4e8c\u3001Redis \u4e3b\u4ece\u590d\u5236\u539f\u7406\u00a0<\/strong><\/h2>\n<p>\u4e3b\u4ece\u590d\u5236\uff0c\u76f4\u89c2\u7684\u505a\u6cd5\u662f\u4e3b\u8282\u70b9\u4ea7\u751f\u4e00\u4efd\u6570\u636e\u7684\u5feb\u7167\u53d1\u9001\u7ed9\u4ece\u8282\u70b9\uff0c\u4ee5\u5feb\u7167\u6570\u636e\u4e3a\u57fa\u51c6\uff0c\u5c06\u4e4b\u540e\u589e\u91cf\u7684\u6570\u636e\u53d8\u66f4\u540c\u6b65\u7ed9\u4ece\u8282\u70b9\uff0c\u5982\u6b64\u5c31\u80fd\u4fdd\u8bc1\u4e3b\u4ece\u6570\u636e\u7684\u4e00\u81f4\u3002\u603b\u4f53\u6765\u770b\uff0c\u4e3b\u4ece\u590d\u5236\u4e00\u822c\u5305\u542b\u5168\u91cf\u6570\u636e\u540c\u6b65\u3001\u589e\u91cf\u540c\u6b65\u4e24\u4e2a\u9636\u6bb5\u3002<\/p>\n<p>\u5728 Redis \u7684\u4e3b\u4ece\u590d\u5236\u5b9e\u73b0\u4e2d\uff0c\u5305\u542b\u4e24\u4e2a\u7c7b\u4f3c\u9636\u6bb5\uff1a<strong>\u5168\u91cf\u6570\u636e\u540c\u6b65\u548c\u547d\u4ee4\u4f20\u64ad<\/strong>\u3002<\/p>\n<ul>\n<li>\u5168\u91cf\u6570\u636e\u540c\u6b65<strong>\uff1a<\/strong>\u4e3b\u8282\u70b9\u4ea7\u751f\u4e00\u4efd\u5168\u91cf\u6570\u636e\u7684\u5feb\u7167\uff0c\u5373 RDB \u6587\u4ef6\uff0c\u5e76\u5c06\u6b64\u5feb\u7167\u53d1\u9001\u7ed9\u4ece\u8282\u70b9\u3002\u4e14\u4ece\u4ea7\u751f\u5feb\u7167\u65f6\u523b\u8d77\uff0c\u8bb0\u5f55\u65b0\u63a5\u6536\u5230\u7684\u5199\u547d\u4ee4\u3002\u5f53\u5feb\u7167\u53d1\u9001\u5b8c\u6210\u540e\uff0c\u5c06\u7d2f\u79ef\u7684\u5199\u547d\u4ee4\u53d1\u9001\u7ed9\u4ece\u8282\u70b9\uff0c\u4ece\u8282\u70b9\u6267\u884c\u8fd9\u4e9b\u5199\u547d\u4ee4\u3002\u6b64\u65f6\u57fa\u51c6\u5df2\u7ecf\u5efa\u7acb\u5b8c\u6210\u3002<\/li>\n<li>\u547d\u4ee4\u4f20\u64ad\uff1a\u5168\u91cf\u6570\u636e\u540c\u6b65\u5b8c\u6210\u540e\uff0c\u4e3b\u8282\u70b9\u5c06\u6267\u884c\u8fc7\u7684\u5199\u547d\u4ee4\u6e90\u6e90\u4e0d\u65ad\u5730\u53d1\u9001\u7ed9\u4ece\u8282\u70b9\uff0c\u4ece\u8282\u70b9\u6267\u884c\u8fd9\u4e9b\u547d\u4ee4\uff0c\u4fdd\u8bc1\u4e3b\u4ece\u8282\u70b9\u4e2d\u6570\u636e\u6709\u76f8\u540c\u7684\u53d8\u66f4\uff0c\u5982\u6b64\u4fdd\u8bc1\u4e3b\u4ece\u8282\u70b9\u6570\u636e\u7684\u4e00\u81f4\u3002<\/li>\n<\/ul>\n<p>\u4e0b\u56fe\u4e2d\u7ed9\u51fa\u4e86\u4e3b\u4ece\u590d\u5236\u7684\u6574\u4e2a\u8fc7\u7a0b\uff1a<\/p>\n<p><a href=\"https:\/\/yanjingang.com\/blog\/wp-content\/uploads\/2022\/01\/redis7-2.png\"><img loading=\"lazy\" class=\"alignnone size-full wp-image-5868\" src=\"https:\/\/yanjingang.com\/blog\/wp-content\/uploads\/2022\/01\/redis7-2.png\" alt=\"\" width=\"828\" height=\"842\" srcset=\"https:\/\/yanjingang.com\/blog\/wp-content\/uploads\/2022\/01\/redis7-2.png 828w, https:\/\/yanjingang.com\/blog\/wp-content\/uploads\/2022\/01\/redis7-2-295x300.png 295w, https:\/\/yanjingang.com\/blog\/wp-content\/uploads\/2022\/01\/redis7-2-768x781.png 768w, https:\/\/yanjingang.com\/blog\/wp-content\/uploads\/2022\/01\/redis7-2-624x635.png 624w\" sizes=\"(max-width: 828px) 100vw, 828px\" \/><\/a><\/p>\n<ul>\n<li>\u4e3b\u4ece\u5173\u7cfb\u5efa\u7acb\u540e\uff0c\u4ece\u8282\u70b9\u5411\u4e3b\u8282\u70b9\u53d1\u9001\u4e00\u4e2a <code>SYNC<\/code> \u547d\u4ee4\u8bf7\u6c42\u8fdb\u884c\u4e3b\u4ece\u540c\u6b65\u3002<\/li>\n<li>\u4e3b\u8282\u70b9\u6536\u5230 <code>SYNC<\/code> \u547d\u4ee4\u540e\uff0c\u6267\u884c <code>fork<\/code> \u521b\u5efa\u4e00\u4e2a\u5b50\u8fdb\u7a0b\uff0c\u5b50\u8fdb\u7a0b\u5c06\u6240\u6709\u7684\u6570\u636e\u7f16\u7801\u5b58\u50a8\u5230 RDB\uff08Redis Database\uff09 \u6587\u4ef6\u4e2d\uff0c\u8fd9\u5c31\u4ea7\u751f\u4e86\u6570\u636e\u5e93\u7684\u5feb\u7167\u3002<\/li>\n<li>\u4e3b\u8282\u70b9\u5c06\u6b64\u5feb\u7167\u53d1\u9001\u7ed9\u4ece\u8282\u70b9\uff0c\u4ece\u8282\u70b9\u63a5\u6536\u5feb\u7167\u5e76\u8f7d\u5165\u3002<\/li>\n<li>\u4e3b\u8282\u70b9\u63a5\u7740\u5c06\u751f\u6210\u5feb\u7167\u3001\u53d1\u9001\u5feb\u7167\u671f\u95f4\u79ef\u538b\u7684\u547d\u4ee4\u53d1\u9001\u7ed9\u4ece\u8282\u70b9\u3002<\/li>\n<li>\u6b64\u540e\uff0c\u4e3b\u8282\u70b9\u6e90\u6e90\u4e0d\u65ad\u5730\u65b0\u6267\u884c\u7684\u5199\u547d\u4ee4\u540c\u6b65\u5230\u4ece\u8282\u70b9\uff0c\u4ece\u8282\u70b9\u6267\u884c\u4f20\u64ad\u6765\u7684\u547d\u4ee4\uff0c\u547d\u4ee4\u6267\u884c\u540e\uff0c\u4ece\u5e93\u4e2d\u7684\u6570\u636e\u4e5f\u5c31\u5f97\u5230\u4e86\u66f4\u65b0\u3002\u5982\u6b64\uff0c\u4e3b\u4ece\u6570\u636e\u4fdd\u6301\u4e00\u81f4\u3002\u9700\u8981\u8bf4\u660e\u7684\u662f\uff0c\u547d\u4ee4\u4f20\u64ad\u5b58\u5728\u65f6\u5ef6\u7684\uff0c\u6240\u4ee5\u4efb\u610f\u65f6\u523b\uff0c\u4e0d\u80fd\u4fdd\u8bc1\u4e3b\u4ece\u8282\u70b9\u95f4\u6570\u636e\u5b8c\u5168\u4e00\u81f4\u3002<\/li>\n<\/ul>\n<p>\u4ee5\u4e0a\u5c31\u662f Redis \u4e3b\u4ece\u590d\u5236\u7684\u57fa\u672c\u539f\u7406\uff0c\u5f88\u7b80\u5355\u5f88\u5bb9\u6613\u7406\u89e3\uff0c\u4f46\u5b58\u5728\u4e00\u4e9b\u4e0d\u7f8e\u597d\u7684\u5730\u65b9\uff1a<\/p>\n<ul>\n<li><strong>fork \u8017\u65f6\u8fc7\u957f\uff0c\u963b\u585e\u4e3b\u8fdb\u7a0b\uff1a<\/strong>\u6267\u884c<code>fork<\/code><span style=\"font-size: 1rem;\">\u00a0\u65f6\u5019\uff0c\u9700\u8981\u62f7\u8d1d\u5927\u91cf\u7684\u5185\u5b58\u9875\u8868\uff0c\u8fd9\u662f\u4e00\u4e2a\u8017\u65f6\u8f83\u591a\u7684\u64cd\u4f5c\uff0c\u5c24\u5176\u5f53\u5185\u5b58\u4f7f\u7528\u91cf\u8f83\u5927\u7684\u65f6\u5019\u3002\u7ec4\u5185\u540c\u5b66\u66fe\u505a\u8fc7\u6d4b\u8bd5\uff0c\u5185\u5b58\u5360\u7528 10GB \u65f6\uff0cfork \u9700\u8981\u6d88\u8017 100 \u591a\u6beb\u79d2\u3002<\/span><code>fork<\/code><span style=\"font-size: 1rem;\"> \u7684\u65f6\u5019\u4e3b\u8fdb\u7a0b\u963b\u585e 100 \u591a\u6beb\u79d2\uff0c\u8fd9\u5bf9 Redis \u800c\u8a00\uff0c\u5b9e\u5728\u592a\u957f\u4e86\u3002\u53e6\u5916\uff0c<\/span><code>fork<\/code><span style=\"font-size: 1rem;\"> \u4e4b\u540e\uff0c\u5982\u679c\u4e3b\u5e93\u4e2d\u6709\u4e0d\u5c11\u7684\u5199\u5165\uff0c\u90a3\u4e48\u7531\u4e8e\u5199\u65f6\u590d\u5236\u673a\u5236\uff0c\u4f1a\u989d\u5916\u6d88\u8017\u4e0d\u5c11\u7684\u5185\u5b58\uff0c\u8fd8\u4f1a\u589e\u5927\u54cd\u5e94\u65f6\u95f4\u3002<\/span><\/li>\n<li><strong>\u4e3b\u4ece\u95f4\u7f51\u7edc\u95ea\u65ad\uff1a<\/strong>\u5047\u5982\u4e3b\u4ece\u4e4b\u95f4\u7684\u7f51\u7edc\u51fa\u73b0\u4e86\u6545\u969c\uff0c\u8fde\u63a5\u610f\u5916\u65ad\u5f00\uff0c\u4e3b\u8282\u70b9\u65e0\u6cd5\u7ee7\u7eed\u4f20\u64ad\u547d\u4ee4\u81f3\u8be5\u4ece\u8282\u70b9\u3002\u4e4b\u540e\u7f51\u7edc\u6062\u590d\uff0c\u4ece\u8282\u70b9\u91cd\u65b0\u8fde\u63a5\u4e0a\u4e3b\u8282\u70b9\u540e\uff0c\u4e3b\u8282\u70b9\u4e0d\u80fd\u518d\u7ee7\u7eed\u4f20\u64ad\u65b0\u63a5\u6536\u5230\u7684\u547d\u4ee4\u4e86\uff0c\u56e0\u4e3a\u4ece\u8282\u70b9\u5df2\u7ecf\u6f0f\u6389\u4e86\u4e00\u4e9b\u547d\u4ee4\u3002\u6b64\u65f6\uff0c\u4ece\u8282\u70b9\u9700\u8981\u4ece\u5934\u518d\u6765\uff0c\u518d\u6b21\u6267\u884c\u5168\u90e8\u7684\u540c\u6b65\u8fc7\u7a0b\uff0c\u800c\u8fd9\u8981\u4ed8\u51fa\u5f88\u9ad8\u7684\u4ee3\u4ef7\u3002\u7f51\u7edc\u95ea\u65ad\u662f\u5e38\u53d1\u751f\u7684\u4e8b\u60c5\uff0c\u95ea\u65ad\u671f\u95f4\u4e3b\u8282\u70b9\u4e2d\u53ef\u80fd\u53ea\u5199\u5165\u4e86\u6bd4\u8f83\u5c11\u7684\u6570\u636e\uff0c\u4f46\u5c31\u56e0\u4e3a\u8fd9\u5f88\u5c11\u7684\u4e00\u90e8\u5206\u6570\u636e\uff0c\u9700\u8981\u8ba9\u4ece\u8282\u70b9\u8fdb\u884c\u4e00\u6b21\u4ee3\u4ef7\u9ad8\u6602\u7684\u5168\u91cf\u540c\u6b65\u3002\u8fd9\u79cd\u505a\u6cd5\u662f\u975e\u5e38\u4f4e\u6548\u7684\uff0c\u8be5\u5982\u4f55\u89e3\u51b3\u8fd9\u95ee\u9898\u5462\uff1f\u4e0b\u4e00\u8282\u90e8\u5206\u91cd\u540c\u6b65\u7ed9\u4f60\u7b54\u6848\u3002<\/li>\n<\/ul>\n<h2><strong>\u00a0\u4e09\u3001<\/strong><strong>Redis \u90e8\u5206\u91cd\u540c\u6b65\u00a0<\/strong><\/h2>\n<p>\u7f51\u7edc\u77ed\u6682\u65ad\u5f00\u540e\uff0c\u4ece\u8282\u70b9\u9700\u8981\u91cd\u65b0\u540c\u6b65\uff0c\u8fd9\u5f88\u6d6a\u8d39\u8d44\u6e90\uff0c\u4e0d\u591f\u73af\u4fdd\u3002\u4ece\u8282\u70b9\u4e3a\u4ec0\u4e48\u9700\u8981\u91cd\u65b0\u540c\u6b65\u5462\uff1f\u56e0\u4e3a\u4e3b\u4ece\u65ad\u5f00\u671f\u95f4\u6709\u90e8\u5206\u547d\u4ee4\u6ca1\u6709\u540c\u6b65\u5230\u4ece\u8282\u70b9\u4e0a\u53bb\u3002\u5982\u679c\u5ffd\u7565\u8fd9\u4e9b\u547d\u4ee4\u7ee7\u7eed\u4f20\u64ad\u540e\u7eed\u7684\u547d\u4ee4\uff0c\u5219\u4f1a\u5bfc\u81f4\u6570\u636e\u7684\u9519\u4e71\uff0c\u56e0\u6b64\u4e22\u5931\u6389\u7684\u547d\u4ee4\u662f\u4e0d\u80fd\u5ffd\u7565\u7684\u3002\u4e3a\u4ec0\u4e48\u4e0d\u5c06\u90a3\u4e9b\u547d\u4ee4\u4fdd\u5b58\u4e0b\u6765\u5462\uff1f\u8fd9\u6837\u5f53\u4ece\u8282\u70b9\u91cd\u65b0\u8fde\u63a5\u540e\uff0c\u5c31\u53ef\u4ee5\u5c06\u65ad\u8fde\u671f\u95f4\u7684\u547d\u4ee4\u8865\u5145\u7ed9\u5b83\u4e86\uff0c\u8fd9\u6837\u5c31\u4e0d\u9700\u8981\u91cd\u65b0\u5168\u91cf\u540c\u6b65\u4e86\u3002<\/p>\n<p>Redis 2.8 \u7248\u672c\u540e\uff0c\u5f15\u5165\u4e86\u90e8\u5206\u540c\u6b65\u3002\u5b83\u5728\u4e3b\u8282\u70b9\u4e2d\u7ef4\u62a4\u4e86\u4e00\u4e2a\u590d\u5236\u79ef\u538b\u7f13\u51b2\u533a\uff0c\u547d\u4ee4\u4e00\u65b9\u9762\u4f1a\u4f20\u64ad\u5230\u4ece\u8282\u70b9\uff0c\u53e6\u5916\u8fd8\u4f1a\u8bb0\u5f55\u5728\u8fd9\u4e2a\u7f13\u51b2\u533a\u4e2d\u3002\u4fdd\u6301\u6240\u6709\u7684\u547d\u4ee4\u662f\u4e0d\u5fc5\u8981\u7684\uff0cRedis \u4e2d\u4f7f\u7528\u4e86\u4e00\u4e2a\u73af\u5f62\u7684\u7f13\u51b2\u533a\uff0c\u8fd9\u6837\u5c31\u53ef\u4ee5\u53ea\u4fdd\u7559\u6700\u8fd1\u7684\u4e00\u4e9b\u547d\u4ee4\u4e86\u3002<\/p>\n<p><a href=\"https:\/\/yanjingang.com\/blog\/wp-content\/uploads\/2022\/01\/redis7-3.png\"><img loading=\"lazy\" class=\"alignnone size-full wp-image-5867\" src=\"https:\/\/yanjingang.com\/blog\/wp-content\/uploads\/2022\/01\/redis7-3.png\" alt=\"\" width=\"833\" height=\"186\" srcset=\"https:\/\/yanjingang.com\/blog\/wp-content\/uploads\/2022\/01\/redis7-3.png 833w, https:\/\/yanjingang.com\/blog\/wp-content\/uploads\/2022\/01\/redis7-3-300x67.png 300w, https:\/\/yanjingang.com\/blog\/wp-content\/uploads\/2022\/01\/redis7-3-768x171.png 768w, https:\/\/yanjingang.com\/blog\/wp-content\/uploads\/2022\/01\/redis7-3-624x139.png 624w\" sizes=\"(max-width: 833px) 100vw, 833px\" \/><\/a><\/p>\n<p>\u547d\u4ee4\u5df2\u7ecf\u4fdd\u5b58\u4e0b\u6765\u4e86\uff0c\u4f46\u4ece\u8282\u70b9\u91cd\u65b0\u8fde\u63a5\u540e\uff0c\u4e3b\u8282\u70b9\u8be5\u4ece\u4ec0\u4e48\u5730\u65b9\u5f00\u59cb\u7ed9\u4ece\u8282\u70b9\u53d1\u9001\u547d\u4ee4\u5462\uff1f\u5982\u679c\u80fd\u7ed9\u6240\u6709\u547d\u4ee4\u7f16\u4e00\u4e2a\u53f7\uff0c\u5219\u4ece\u8282\u70b9\u53ea\u9700\u8981\u544a\u8bc9\u4e3b\u8282\u70b9\u81ea\u5df1\u6700\u540e\u6536\u5230\u7684\u547d\u4ee4\u7684\u7f16\u53f7\uff0c\u4e3b\u8282\u70b9\u5c31\u77e5\u9053\u8be5\u4ece\u4ec0\u4e48\u4f4d\u7f6e\u53d1\u9001\u547d\u4ee4\u4e86\u3002Redis \u7684\u5b9e\u73b0\u4e2d\u662f\u5bf9\u5b57\u8282\u8fdb\u884c\u7f16\u53f7\uff0c\u8fd9\u4e2a\u7f16\u53f7\u5728 Redis \u7684\u8bed\u5883\u4e2d\u53eb\u505a\u590d\u5236\u504f\u79fb\u91cf\u3002<\/p>\n<p>\u6709\u4e86\u90e8\u5206\u540c\u6b65\u540e\uff0c\u4e3b\u4ece\u590d\u5236\u7684\u6d41\u7a0b\u53d8\u6210\u4e86\u4e0b\u9762\u8fd9\u6837\uff1a<\/p>\n<p><a href=\"https:\/\/yanjingang.com\/blog\/wp-content\/uploads\/2022\/01\/redis7-4.png\"><img loading=\"lazy\" class=\"alignnone size-full wp-image-5866\" src=\"https:\/\/yanjingang.com\/blog\/wp-content\/uploads\/2022\/01\/redis7-4.png\" alt=\"\" width=\"678\" height=\"628\" srcset=\"https:\/\/yanjingang.com\/blog\/wp-content\/uploads\/2022\/01\/redis7-4.png 678w, https:\/\/yanjingang.com\/blog\/wp-content\/uploads\/2022\/01\/redis7-4-300x278.png 300w, https:\/\/yanjingang.com\/blog\/wp-content\/uploads\/2022\/01\/redis7-4-624x578.png 624w\" sizes=\"(max-width: 678px) 100vw, 678px\" \/><\/a><\/p>\n<p>\u4e3b\u4ece\u590d\u5236\u7684\u65f6\u5019\u4e0d\u518d\u4f7f\u7528 SYNC \u547d\u4ee4\uff0c\u800c\u662f\u4f7f\u7528 PSYNC\uff0c\u610f\u601d\u7684 Partial SYNC\u3002PSYNC \u7684\u8bed\u6cd5\u5982\u4e0b\uff1a<\/p>\n<pre class=\"pure-highlightjs\"><code class=\"\">PSYNC &lt;master id&gt; &lt;replication offset&gt;<\/code><\/pre>\n<p>\u547d\u4ee4\u4e2d\u7684\u4e24\u4e2a\u53c2\u6570\uff0c\u4e00\u4e2a\u662f\u4e3b\u8282\u70b9\u7684\u7f16\u53f7\uff0c\u4e00\u4e2a\u662f\u590d\u5236\u504f\u79fb\u91cf\u3002\u6bcf\u4e2aRedis\u8282\u70b9\u90fd\u6709\u4e00\u4e2a 40 \u5b57\u8282\u7684\u7f16\u53f7\uff0cPSYNC \u547d\u4ee4\u4e2d\u643a\u5e26\u7684\u7f16\u53f7\u662f\u671f\u671b\u8fdb\u884c\u540c\u6b65\u7684\u4e3b\u8282\u70b9\u7684\u7f16\u53f7\u3002\u590d\u5236\u504f\u79fb\u91cf\u5219\u8868\u793a\u5f53\u524d\u4ece\u8282\u70b9\u60f3\u8981\u4ece\u4ec0\u4e48\u5730\u65b9\u5f00\u59cb\u90e8\u5206\u540c\u6b65\u3002<\/p>\n<p>\u5982\u679c\u662f\u7b2c\u4e00\u6b21\u8fdb\u884c\u4e3b\u4ece\u590d\u5236\uff0c\u81ea\u7136\u662f\u4e0d\u77e5\u9053\u4e3b\u8282\u70b9\u7684\u7f16\u53f7\uff0c\u590d\u5236\u504f\u79fb\u91cf\u4e5f\u65e0\u610f\u4e49\uff0c\u6b64\u65f6\u4f7f\u7528 <code>PSYNC ? -1<\/code> \u6765\u8fdb\u884c\u5168\u91cf\u540c\u6b65\u3002\u53e6\u5916\uff0c\u5982\u679c\u4ece\u8282\u70b9\u6307\u5b9a\u7684\u590d\u5236\u504f\u79fb\u91cf\u4e0d\u5728\u4e3b\u8282\u70b9\u7684\u590d\u5236\u79ef\u538b\u7f13\u51b2\u533a\u7684\u8303\u56f4\u5185\uff0c\u90e8\u5206\u540c\u6b65\u4f1a\u5931\u8d25\uff0c\u4f1a\u8f6c\u5411\u5168\u91cf\u540c\u6b65\u3002<\/p>\n<p>\u6709\u4e86\u90e8\u5206\u540c\u6b65\uff0c\u7f51\u7edc\u95ea\u65ad\u540e\u5c31\u53ef\u4ee5\u907f\u514d\u5168\u91cf\u540c\u6b65\u4e86\u3002\u4f46\u662f\u56e0\u4e3a\u4e3b\u8282\u70b9\u53ea\u80fd\u4fdd\u7559\u6700\u8fd1\u7684\u90e8\u5206\u547d\u4ee4\uff0c\u4fdd\u5b58\u591a\u5c11\u53d6\u51b3\u4e8e\u590d\u5236\u79ef\u538b\u7f13\u51b2\u533a\u7684\u5927\u5c0f\u3002\u5982\u679c\u4ece\u8282\u70b9\u65ad\u5f00\u65f6\u95f4\u8fc7\u957f\uff0c\u6216\u8005\u65ad\u5f00\u671f\u95f4\u4e3b\u8282\u70b9\u65b0\u6267\u884c\u7684\u5199\u547d\u4ee4\u8db3\u591f\u591a\uff0c\u6f0f\u6389\u7684\u547d\u4ee4\u5c31\u65e0\u6cd5\u5168\u90e8\u4fdd\u5b58\u5230\u590d\u5236\u79ef\u538b\u7f13\u51b2\u533a\u4e2d\u4e86\u3002\u52a0\u5927\u590d\u5236\u79ef\u538b\u7f13\u51b2\u533a\u53ef\u4ee5\u5c3d\u53ef\u80fd\u591a\u5730\u907f\u514d\u5168\u91cf\u540c\u6b65\uff0c\u4f46\u8fd9\u540c\u65f6\u4f1a\u9020\u6210\u989d\u5916\u7684\u5185\u5b58\u6d88\u8017\u3002<\/p>\n<p>\u90e8\u5206\u540c\u6b65\u6d88\u8017\u4e86\u90e8\u5206\u5185\u5b58\u6765\u4fdd\u5b58\u6700\u8fd1\u6267\u884c\u7684\u5199\u547d\u4ee4\uff0c\u907f\u514d\u95ea\u65ad\u540e\u7684\u5168\u540c\u6b65\uff0c\u8fd9\u662f\u5f88\u76f4\u89c2\u3001\u5f88\u5bb9\u6613\u60f3\u8c61\u7684\u89e3\u51b3\u65b9\u6848\u3002\u8fd9\u79cd\u65b9\u6848\u5f88\u597d\uff0c\u5b83\u662f\u5426\u8fd8\u5b58\u5728\u5176\u4ed6\u95ee\u9898\u5462\uff1f\u8003\u8651\u4ee5\u4e0b\u95ee\u9898\uff1a<\/p>\n<ul>\n<li><strong>\u5047\u5982\u4ece\u8282\u70b9\u91cd\u542f\u4e86\u600e\u4e48\u529e\uff1f<\/strong>\u90e8\u5206\u540c\u6b65\u4f9d\u8d56\u4e3b\u8282\u70b9\u7684\u7f16\u53f7\u548c\u590d\u5236\u504f\u79fb\u91cf\uff0c\u4ece\u8282\u70b9\u5728\u521d\u6b21\u540c\u6b65\u7684\u65f6\u5019\u4f1a\u83b7\u53d6\u5230\u4e3b\u8282\u70b9\u7684\u7f16\u53f7\uff0c\u5e76\u5728\u4e4b\u540e\u7684\u540c\u6b65\u4e2d\u4e0d\u65ad\u8c03\u6574\u590d\u5236\u504f\u79fb\u91cf\uff0c\u8fd9\u4e9b\u4fe1\u606f\u90fd\u5b58\u50a8\u5728\u5185\u5b58\u4e2d\u3002\u5f53\u4ece\u8282\u70b9\u610f\u5916\u91cd\u542f\u540e\uff0c\u5c3d\u7ba1\u672c\u5730\u5b58\u6709 RDB \u6216 AOF \u6587\u4ef6\uff0c\u8fd8\u662f\u9700\u8981\u8fdb\u884c\u4e00\u6b21\u5168\u91cf\u540c\u6b65\u3002\u4f46\u5b9e\u9645\u4e0a\u5b8c\u5168\u53ef\u4ee5\u8f7d\u5165\u672c\u5730\u6570\u636e\uff0c\u5e76\u6267\u884c\u90e8\u5206\u540c\u6b65\u5373\u53ef\u3002<\/li>\n<\/ul>\n<ul>\n<li><strong>\u5047\u5982\u4e3b\u4ece\u5207\u6362\u4e86\u600e\u4e48\u529e\uff1f<\/strong>\u5047\u5982\u4e3b\u8282\u70b9\u610f\u5916\u5b95\u673a\uff0c\u5916\u56f4\u76d1\u63a7\u7ec4\u4ef6\u6267\u884c\u4e86\u4e3b\u4ece\u5207\u6362\u3002\u6b64\u65f6\u5176\u4ed6\u4ece\u8282\u70b9\u5bf9\u5e94\u7684\u4e3b\u8282\u70b9\u5c31\u53d8\u5316\u4e86\uff0c\u4ece\u8282\u70b9\u4e2d\u8bb0\u5f55\u7684\u4e3b\u8282\u70b9\u7f16\u53f7\u5c31\u5339\u914d\u4e0d\u4e0a\u65b0\u7684\u4e3b\u8282\u70b9\u4e86\uff0c\u6b64\u65f6\u4f1a\u8fdb\u884c\u4e00\u6b21\u5168\u91cf\u540c\u6b65\u3002\u4f46\u5b9e\u9645\u4e0a\u6240\u6709\u7684\u4ece\u8282\u70b9\u5728\u4e3b\u4ece\u5207\u6362\u4e4b\u524d\u540c\u6b65\u8fdb\u5ea6\u5e94\u8be5\u662f\u5dee\u4e0d\u591a\u7684\uff0c\u800c\u4e14\u65b0\u63d0\u5347\u7684\u4ece\u8282\u70b9\u5305\u542b\u7684\u6570\u636e\u5e94\u8be5\u6700\u5168\uff0c\u5207\u4e3b\u540e\u6240\u6709\u4ece\u8282\u70b9\u90fd\u6267\u884c\u4e00\u6b21\u5168\u91cf\u540c\u6b65\uff0c\u8fd9\u5b9e\u5728\u4e0d\u5408\u7406\u3002<\/li>\n<\/ul>\n<p><a href=\"https:\/\/yanjingang.com\/blog\/wp-content\/uploads\/2022\/01\/redis7-5.png\"><img loading=\"lazy\" class=\"alignnone size-large wp-image-5865\" src=\"https:\/\/yanjingang.com\/blog\/wp-content\/uploads\/2022\/01\/redis7-5-1024x387.png\" alt=\"\" width=\"625\" height=\"236\" srcset=\"https:\/\/yanjingang.com\/blog\/wp-content\/uploads\/2022\/01\/redis7-5-1024x387.png 1024w, https:\/\/yanjingang.com\/blog\/wp-content\/uploads\/2022\/01\/redis7-5-300x113.png 300w, https:\/\/yanjingang.com\/blog\/wp-content\/uploads\/2022\/01\/redis7-5-768x290.png 768w, https:\/\/yanjingang.com\/blog\/wp-content\/uploads\/2022\/01\/redis7-5-624x236.png 624w, https:\/\/yanjingang.com\/blog\/wp-content\/uploads\/2022\/01\/redis7-5.png 1216w\" sizes=\"(max-width: 625px) 100vw, 625px\" \/><\/a><\/p>\n<p>\u4ee5\u4e0a\u95ee\u9898\u5982\u4f55\u89e3\u51b3\uff0c\u8bf7\u7ee7\u7eed\u5f80\u540e\u770b\u3002<\/p>\n<h2><strong>\u00a0\u56db\u3001\u540c\u6e90\u589e\u91cf\u540c\u6b65\u00a0<\/strong><\/h2>\n<p>\u4ece\u8282\u70b9\u91cd\u542f\u540e\u4e22\u5931\u4e86\u539f\u4e3b\u8282\u70b9\u7f16\u53f7\u548c\u590d\u5236\u504f\u79fb\u91cf\uff0c\u8fd9\u5bfc\u81f4\u91cd\u542f\u540e\u9700\u8981\u5168\u91cf\u540c\u6b65\uff0c\u8fd9\u5f88\u597d\u529e\uff0c\u628a\u8fd9\u4e9b\u4fe1\u606f\u5b58\u4e0b\u6765\u5c31\u53ef\u4ee5\u4e86\u3002<\/p>\n<p>\u4e3b\u4ece\u5207\u6362\u540e\uff0c\u4e3b\u8282\u70b9\u4fe1\u606f\u53d8\u5316\u4e86\uff0c\u5bfc\u81f4\u4ece\u8282\u70b9\u9700\u8981\u5168\u91cf\u540c\u6b65\uff0c\u8fd9\u4e5f\u5bb9\u6613\u89e3\u51b3\uff0c\u53ea\u9700\u80fd\u786e\u8ba4\u65b0\u4e3b\u8282\u70b9\u4e0a\u7684\u6570\u636e\u662f\u4ece\u539f\u4e3b\u8282\u70b9\u590d\u5236\u6765\u7684\uff0c\u90a3\u5c31\u53ef\u4ee5\u7ee7\u7eed\u4ece\u65b0\u7684\u4e3b\u8282\u70b9\u4e0a\u8fdb\u884c\u590d\u5236\u3002<\/p>\n<p>Redis 4.0 \u4ee5\u540e\uff0c\u5bf9 PSYNC \u8fdb\u884c\u4e86\u6539\u8fdb\uff0c\u63d0\u51fa\u4e86\u540c\u6e90\u589e\u91cf\u590d\u5236\u7684\u89e3\u51b3\u65b9\u6848\uff0c\u8be5\u65b9\u6848\u89e3\u51b3\u4e86\u524d\u9762\u63d0\u5230\u7684\u4e24\u4e2a\u95ee\u9898\u3002<\/p>\n<p>\u4ece\u8282\u70b9\u91cd\u542f\u540e\uff0c\u9700\u8981\u8ddf\u4e3b\u8282\u70b9\u5168\u91cf\u540c\u6b65\uff0c\u8fd9\u672c\u8d28\u4e0a\u662f\u56e0\u4e3a\u4ece\u8282\u70b9\u4e22\u5931\u4e86\u4e3b\u8282\u70b9\u7684\u7f16\u53f7\u4fe1\u606f\uff0c\u5728 Redis 4.0 \u540e\uff0c\u4e3b\u8282\u70b9\u7684\u7f16\u53f7\u4fe1\u606f\u88ab\u5199\u5165\u5230 RDB \u4e2d\u6301\u4e45\u5316\u4fdd\u5b58\u3002<\/p>\n<p>\u5207\u4e3b\u540e\uff0c\u4ece\u8282\u70b9\u9700\u8981\u548c\u65b0\u4e3b\u8282\u70b9\u5168\u91cf\u540c\u6b65\uff0c\u672c\u8d28\u539f\u56e0\u662f\u65b0\u7684\u4e3b\u8282\u70b9\u4e0d\u8ba4\u539f\u4e3b\u8282\u70b9\u7684\u7f16\u53f7\u3002\u5982\u679c\u4ece\u8282\u70b9\u53d1\u9001 <code>PSYNC &lt;\u539f\u4e3b\u8282\u70b9\u7f16\u53f7&gt; &lt;\u590d\u5236\u504f\u79fb\u91cf&gt;<\/code>\uff0c\u65b0\u7684\u4e3b\u8282\u70b9\u80fd\u591f\u8bc6\u522b\u5230\u8fd9\u91cc\u4e3b\u8282\u70b9\u7684\u7f16\u53f7\u5176\u5b9e\u662f\u539f\u4e3b\u8282\u70b9\uff0c\u4e14\u81ea\u5df1\u7684\u6570\u636e\u5c31\u662f\u4ece\u8be5\u8282\u70b9\u590d\u5236\u6765\u7684\u3002\u90a3\u4e48\u65b0\u7684\u4e3b\u8282\u70b9\u5c31\u5e94\u8be5\u660e\u767d\uff0c\u4ed6\u548c\u5176\u4ed6\u4ece\u8282\u70b9\u5e08\u51fa\u540c\u95e8\uff0c\u5e94\u8be5\u63a5\u6536\u90e8\u5206\u540c\u6b65\u3002\u5982\u4f55\u624d\u80fd\u8bc6\u522b\u5462\uff0c\u53ea\u9700\u8981\u8ba9\u4ece\u8282\u70b9\u5728\u5207\u6362\u4e3a\u4e3b\u8282\u70b9\u65f6\uff0c\u5c06\u81ea\u5df1\u4e4b\u524d\u7684\u4e3b\u8282\u70b9\u7684\u7f16\u53f7\u8bb0\u5f55\u4e0b\u6765\u5373\u53ef\u3002<\/p>\n<p>Redis 4.0 \u4ee5\u540e\uff0c\u4e3b\u4ece\u5207\u6362\u540e\uff0c\u65b0\u7684\u4e3b\u8282\u70b9\u4f1a\u5c06\u5148\u524d\u7684\u4e3b\u8282\u70b9\u8bb0\u5f55\u4e0b\u6765\uff0c\u89c2\u5bdf <code>info replication<\/code> \u7684\u7ed3\u679c\uff0c\u53ef\u4ee5\u53ef\u4ee5\u770b\u5230 <code>master_replid<\/code> \u548c <code>master_replid2<\/code> \u4e24\u4e2a\u7f16\u53f7\uff0c\u524d\u8005\u662f\u5f53\u524d\u4e3b\u8282\u70b9\u7684\u7f16\u53f7\uff0c\u540e\u8005\u4e3a\u5148\u524d\u4e3b\u8282\u70b9\u7684\u7f16\u53f7\uff1a<\/p>\n<pre class=\"pure-highlightjs\"><code class=\"\">127.0.0.1:6379&gt; slaveof no one\r\nOK\r\n127.0.0.1:6379&gt; info replication\r\n# replication\r\nrole:master\r\n...\r\nmaster_replid:a8s7f6g53k3n5k90j2h3j43ja872h1y63u4m5b7h\r\nmaster_replid2:k90j2h3j43ja863u4a8s7f6g5372hk3n5m5b7h1y\r\nmaster_repl_offset:394820\r\nsecond_repl_offset:394821\r\n...\r\nrepl_backlog_histlen:5180<\/code><\/pre>\n<p>Redis \u4e2d\u76ee\u524d\u503c\u4fdd\u7559\u4e86\u4e24\u4e2a\u4e3b\u8282\u70b9\u7f16\u53f7\uff0c\u4f46\u5b8c\u5168\u53ef\u4ee5\u5b9e\u73b0\u4e00\u4e2a\u94fe\u8868\uff0c\u5c06\u8fc7\u5b8c\u7684\u4e3b\u8282\u70b9\u7684\u4fe1\u606f\u90fd\u8bb0\u5f55\u4e0b\u6765\uff0c\u8fd9\u6837\u5c31\u53ef\u4ee5\u8ffd\u6eaf\u7684\u66f4\u8fdc\u4e86\u3002\u8fd9\u6837\u4ee5\u6765\uff0c\u5982\u679c\u4e00\u4e2a\u4ece\u8282\u70b9\u65ad\u5f00\u540e\uff0c\u6267\u884c\u4e86\u591a\u6b21\u4e3b\u4ece\u5207\u6362\uff0c\u8be5\u4ece\u8282\u91cd\u65b0\u8fde\u63a5\u540e\uff0c\u4f9d\u7136\u53ef\u4ee5\u8bc6\u522b\u51fa\u5b83\u4eec\u7684\u6570\u636e\u662f\u540c\u6e90\u7684\u3002\u4f46 Redis \u6ca1\u6709\u8fd9\u4e48\u505a\uff0c\u8fd9\u662f\u56e0\u4e3a\u6ca1\u6709\u5fc5\u8981\uff0c\u56e0\u4e3a\u5c31\u7b97\u6570\u636e\u662f\u540c\u6e90\u7684\uff0c\u4f46\u590d\u5236\u79ef\u538b\u7f13\u51b2\u533a\u4e2d\u4fdd\u5b58\u7684\u6570\u636e\u662f\u6709\u9650\u7684\uff0c\u591a\u6b21\u4e3b\u4ece\u5207\u6362\u540e\uff0c\u590d\u5236\u79ef\u538b\u7f13\u51b2\u533a\u4e2d\u4fdd\u5b58\u7684\u547d\u4ee4\u5df2\u7ecf\u65e0\u6cd5\u6ee1\u8db3\u90e8\u5206\u540c\u6b65\u4e86\u3002<\/p>\n<p>\u6709\u4e86\u540c\u6e90\u589e\u91cf\u590d\u5236\u540e\uff0c\u4e3b\u8282\u70b9\u5207\u6362\u540e\uff0c\u5176\u4ed6\u4ece\u8282\u70b9\u53ef\u4ee5\u57fa\u4e8e\u65b0\u7684\u4e3b\u8282\u70b9\u7ee7\u7eed\u589e\u91cf\u540c\u6b65\u3002<\/p>\n<p>\u6b64\u65f6\uff0c\u4e3b\u4ece\u590d\u5236\u770b\u8d77\u6765\u5df2\u7ecf\u4e0d\u5b58\u5728\u592a\u5927\u7684\u95ee\u9898\u4e86\u3002\u4f46\u505a Redis \u7684\u90a3\u5e2e\u5bb6\u4f19\uff0c\u603b\u5728\u8ffd\u6c42\u6781\u81f4\u7684\u6027\u80fd\uff0c\u6316\u7a7a\u5fc3\u601d\u60f3\u7740\u80fd\u4e0d\u80fd\u518d\u505a\u4e9b\u4f18\u5316\u3002\u4e0b\u9762\u6211\u5c06\u63cf\u8ff0 Redis \u4e3b\u4ece\u590d\u5236\u7684\u4e00\u4e9b\u4f18\u5316\u7b56\u7565\u3002<\/p>\n<h2><strong>\u00a0\u4e94\u3001\u65e0\u76d8\u5168\u91cf\u540c\u6b65\u548c\u65e0\u76d8\u52a0\u8f7d\u00a0<\/strong><\/h2>\n<p>Redis \u6267\u884c\u5168\u91cf\u590d\u5236\u65f6\uff0c\u9700\u8981\u751f\u6210\u5f53\u524d\u6570\u636e\u5e93\u7684\u4e00\u4efd\u5feb\u7167\uff0c\u5177\u4f53\u505a\u6cd5\u662f\u6267\u884c fork \u521b\u5efa\u5b50\u8fdb\u7a0b\uff0c\u5b50\u8fdb\u7a0b\u904d\u5386\u6240\u6709\u6570\u636e\u5e76\u7f16\u7801\u540e\u5199\u5165 RDB \u6587\u4ef6\u4e2d\u3002RDB \u751f\u6210\u540e\uff0c\u5728\u4e3b\u8fdb\u7a0b\u4e2d\uff0c\u4f1a\u8bfb\u53d6\u6b64\u6587\u4ef6\u5e76\u53d1\u9001\u7ed9\u4ece\u8282\u70b9\u3002<\/p>\n<p>\u8bfb\u5199\u78c1\u76d8\u4e0a\u7684 RDB \u6587\u4ef6\u662f\u6bd4\u8f83\u8017\u8d44\u6e90\u7684\uff0c\u5728\u4e3b\u8fdb\u7a0b\u4e2d\u6267\u884c\u52bf\u5fc5\u4f1a\u5bfc\u81f4 Redis \u7684\u54cd\u5e94\u65f6\u95f4\u53d8\u957f\u3002\u56e0\u6b64\u4e00\u4e2a\u4f18\u5316\u65b9\u6848\u662f dump \u540e\u76f4\u63a5\u5c06\u6570\u636e\u901a\u8fc7 socket \u53d1\u9001\u6570\u636e\u7ed9\u4ece\u8282\u70b9\uff0c\u4e0d\u9700\u8981\u5c06\u6570\u636e\u5148\u5199\u5165\u5230 RDB \u4e2d\u3002Redis 6.0 \u4e2d\u5b9e\u73b0\u4e86\u8fd9\u79cd\u65e0\u76d8\u5168\u91cf\u540c\u6b65\u548c\u65e0\u76d8\u52a0\u8f7d\u7684\u7b56\u7565\u3002<\/p>\n<p>\u91c7\u7528\u65e0\u76d8\u5168\u91cf\u540c\u6b65\uff0c\u907f\u514d\u4e86\u5bf9\u78c1\u76d8\u7684\u64cd\u4f5c\uff0c\u4f46\u4e5f\u6709\u7f3a\u70b9\uff0c\u4e00\u822c\u60c5\u51b5\u4e0b\uff0c\u5728\u5b50\u8fdb\u7a0b\u4e2d\u76f4\u63a5\u4f7f\u7528\u7f51\u7edc\u53d1\u9001\u6570\u636e\uff0c\u8fd9\u6bd4\u5728\u5b50\u8fdb\u7a0b\u4e2d\u751f\u6210 RDB \u8981\u6162\uff0c\u8fd9\u610f\u5473\u7740\u5b50\u8fdb\u7a0b\u9700\u8981\u5b58\u6d3b\u7684\u65f6\u95f4\u76f8\u5bf9\u8f83\u957f\u3002\u5b50\u8fdb\u7a0b\u5b58\u5728\u7684\u65f6\u95f4\u8d8a\u957f\uff0c\u5199\u65f6\u590d\u5236\u9020\u6210\u7684\u5f71\u54cd\u5c31\u8d8a\u5927\uff0c\u8fdb\u800c\u5bfc\u81f4\u6d88\u8017\u7684\u5185\u5b58\u4f1a\u66f4\u591a\u3002<\/p>\n<p>\u5728\u5168\u91cf\u590d\u5236\u65f6\u5019\uff0c\u4ece\u8282\u70b9\u4e00\u822c\u662f\u5148\u63a5\u6536 RDB \u5c06\u5176\u5b58\u5728\u672c\u5730\uff0c\u63a5\u6536\u5b8c\u6210\u540e\u518d\u8f7d\u5165 RDB\u3002\u540c\u6837\u5730\uff0c\u4ece\u8282\u70b9\u4e5f\u53ef\u4ee5\u76f4\u63a5\u8f7d\u5165\u4e3b\u8282\u70b9\u53d1\u6765\u7684\u6570\u636e\uff0c\u907f\u514d\u5c06\u5176\u5b58\u5165\u672c\u5730\u7684 RDB \u6587\u4ef6\u4e2d\uff0c\u800c\u540e\u518d\u4ece\u78c1\u76d8\u52a0\u8f7d\u3002<\/p>\n<h2><strong>\u00a0\u516d\u3001\u5171\u4eab\u4e3b\u4ece\u590d\u5236\u7f13\u51b2\u533a\u00a0<\/strong><\/h2>\n<p>\u5728\u4e3b\u8282\u70b9\u7684\u89c6\u89d2\u4e2d\uff0c\u4ece\u8282\u70b9\u5c31\u662f\u4e00\u4e2a\u5ba2\u6237\u7aef\uff0c\u4ece\u8282\u70b9\u53d1\u9001\u4e86 PSYNC \u547d\u4ee4\u540e\uff0c\u4e3b\u8282\u70b9\u5c31\u8981\u4e0e\u5b83\u4eec\u5b8c\u6210\u5168\u91cf\u540c\u6b65\uff0c\u5e76\u4e0d\u65ad\u5730\u628a\u5199\u547d\u4ee4\u540c\u6b65\u7ed9\u4ece\u8282\u70b9\u3002Redis \u7684\u6bcf\u4e2a\u5ba2\u6237\u7aef\u8fde\u63a5\u4e0a\u5b58\u5728\u4e00\u4e2a\u53d1\u9001\u7f13\u51b2\u533a\u3002<\/p>\n<p>\u4e3b\u8282\u70b9\u6267\u884c\u4e86\u5199\u547d\u4ee4\u540e\uff0c\u5c31\u4f1a\u5c06\u547d\u4ee4\u5185\u5bb9\u5199\u5165\u5230\u5404\u4e2a\u8fde\u63a5\u7684\u53d1\u9001\u7f13\u51b2\u533a\u4e2d\u3002\u53d1\u9001\u7f13\u51b2\u533a\u5b58\u50a8\u7684\u662f\u5f85\u4f20\u64ad\u7684\u547d\u4ee4\uff0c\u8fd9\u610f\u5473\u7740\u591a\u4e2a\u53d1\u9001\u7f13\u51b2\u533a\u4e2d\u7684\u5185\u5bb9\u5176\u5b9e\u662f\u76f8\u540c\u7684\u3002\u800c\u4e14\uff0c\u8fd9\u4e9b\u547d\u4ee4\u8fd8\u5728\u590d\u5236\u79ef\u538b\u7f13\u51b2\u533a\u4e2d\u5b58\u4e86\u4e00\u4efd\u5462\u3002\u8fd9\u5c31\u9020\u6210\u4e86\u5927\u91cf\u7684\u5185\u5b58\u6d6a\u8d39\uff0c\u5c24\u5176\u662f\u5b58\u5728\u5f88\u591a\u4ece\u8282\u70b9\u7684\u65f6\u5019\u3002<\/p>\n<p><a href=\"https:\/\/yanjingang.com\/blog\/wp-content\/uploads\/2022\/01\/redis7-6.png\"><img loading=\"lazy\" class=\"alignnone size-full wp-image-5864\" src=\"https:\/\/yanjingang.com\/blog\/wp-content\/uploads\/2022\/01\/redis7-6.png\" alt=\"\" width=\"841\" height=\"586\" srcset=\"https:\/\/yanjingang.com\/blog\/wp-content\/uploads\/2022\/01\/redis7-6.png 841w, https:\/\/yanjingang.com\/blog\/wp-content\/uploads\/2022\/01\/redis7-6-300x209.png 300w, https:\/\/yanjingang.com\/blog\/wp-content\/uploads\/2022\/01\/redis7-6-768x535.png 768w, https:\/\/yanjingang.com\/blog\/wp-content\/uploads\/2022\/01\/redis7-6-624x435.png 624w\" sizes=\"(max-width: 841px) 100vw, 841px\" \/><\/a><\/p>\n<p>\u5728 Redis 7.0 \u4e2d\uff0c\u5b9e\u73b0\u4e86\u4e00\u4e2a<a href=\"https:\/\/github.com\/redis\/redis\/pull\/9166\">\u5171\u4eab\u4e3b\u4ece\u590d\u5236\u7f13\u51b2\u533a\u7684\u65b9\u6848<\/a>\u89e3\u51b3\u4e86\u8fd9\u4e2a\u95ee\u9898\u3002\u8be5\u65b9\u6848\u8ba9\u53d1\u9001\u7f13\u51b2\u533a\u4e0e\u590d\u5236\u79ef\u538b\u7f13\u51b2\u533a\u5171\u4eab\uff0c\u907f\u514d\u4e86\u6570\u636e\u7684\u91cd\u590d\uff0c\u53ef\u6709\u6548\u8282\u7701\u5185\u5b58\u3002<\/p>\n<p><strong>\u00a0\u4e03\u3001Forkless \u5168\u91cf\u540c\u6b65\u00a0<\/strong><\/p>\n<p>\u524d\u6587\u4e2d\u63d0\u5230\uff0c\u5168\u91cf\u540c\u6b65\u65f6\u9700\u8981 fork \u4e00\u4e2a\u5b50\u8fdb\u7a0b\uff0c\u4f46 fork \u662f\u4e00\u4e2a\u5f00\u9500\u8f83\u5927\u7684\u64cd\u4f5c\u3002\u6211\u7684\u540c\u4e8b\u66fe\u505a\u8fc7\u5b9e\u9a8c\uff0c\u5185\u5b58 10GB \u7684 Redis \u5b9e\u4f8b\uff0cfork \u4f1a\u5bfc\u81f4 Redis \u4e3b\u7ebf\u7a0b\u963b\u585e\u957f\u8fbe 100 \u591a\u6beb\u79d2\u3002\u8fd9 100 \u6beb\u79d2\uff0c\u4f1a\u4f7f\u5927\u91cf\u7684\u4e0a\u5c42\u8c03\u7528\u8d85\u65f6\u5931\u8d25\u3002\u4e3a\u4e86\u907f\u514d fork \u5f71\u54cd Redis \u670d\u52a1\u7684\u7a33\u5b9a\u6027\uff0cforkless \u7684\u65b9\u6848\u88ab\u63d0\u51fa\u3002\u5373\uff0c\u5168\u91cf\u540c\u6b65\u65f6\u4e0d\u4f9d\u8d56\u4e8e fork\u3002<\/p>\n<p>\u5982\u679c\u4e0d\u4f7f\u7528 fork\uff0c\u8be5\u5982\u4f55\u5f97\u5230\u4e00\u4efd\u9694\u79bb\u7684\u6570\u636e\u4f5c\u4e3a\u5feb\u7167\u5462\uff1f\u7b54\u6848\u662f\u4e0d\u9694\u79bb\u3002\u53ef\u4ee5\u5206\u591a\u6b21\u9010\u6b65\u904d\u5386 Redis \u7684\u4e3b\u54c8\u5e0c\u8868\uff0c\u4e00\u8fb9\u904d\u5386\u4e00\u8fb9\u5199 RDB \u6587\u4ef6\u3002\u5f53\u6709\u65b0\u7684\u5199\u64cd\u4f5c\u4fee\u6539\u4e86\u904d\u5386\u8fc7\u7684\u6570\u636e\u65f6\uff0c\u5c06\u53d8\u66f4\u8bb0\u5f55\u4e0b\u6765\u3002\u904d\u5386\u5b8c\u6210\u540e\uff0c\u5c06\u53d8\u66f4\u8ffd\u52a0\u5230 RDB \u6587\u4ef6\u4e2d\u3002\u5982\u6b64\u5c31\u53ef\u4ee5\u5728\u4e0d\u6267\u884c fork \u7684\u6761\u4ef6\u4e0b\uff0c\u751f\u6210\u4e00\u4efd\u6570\u636e\u7684\u5feb\u7167\u3002<\/p>\n<p><a href=\"https:\/\/yanjingang.com\/blog\/wp-content\/uploads\/2022\/01\/redis7-7.png\"><img loading=\"lazy\" class=\"alignnone size-full wp-image-5863\" src=\"https:\/\/yanjingang.com\/blog\/wp-content\/uploads\/2022\/01\/redis7-7.png\" alt=\"\" width=\"539\" height=\"590\" srcset=\"https:\/\/yanjingang.com\/blog\/wp-content\/uploads\/2022\/01\/redis7-7.png 539w, https:\/\/yanjingang.com\/blog\/wp-content\/uploads\/2022\/01\/redis7-7-274x300.png 274w\" sizes=\"(max-width: 539px) 100vw, 539px\" \/><\/a><\/p>\n<p>\u6b64\u65b9\u6848\u539f\u7406\u770b\u4f3c\u5f88\u7b80\u5355\uff0c\u4f46\u5728\u5b9e\u73b0\u4e2d\u9700\u8981\u5904\u7406\u5f88\u591a\u7ec6\u8282\uff0c\u6bd4\u5982\uff1a\u5927 key \u65f6\u5019\u4f1a\u6d88\u8017\u8f83\u957f\u65f6\u95f4\u3001\u591a key \u547d\u4ee4\u7684\u5904\u7406\u3001\u54c8\u5e0c\u8868 rehash\u3001\u963b\u585e\u547d\u4ee4\u7684\u5904\u7406\u7b49\u7b49\u3002\u6240\u5e78\u6b64\u65b9\u6848\u5df2\u7ecf\u5728 BDRP Redis 6.0 \u5185\u6838\u4e2d\u5b9e\u73b0\u4e86\u3002<\/p>\n<h2><strong>\u516b\u3001\u603b\u7ed3\u00a0<\/strong><\/h2>\n<p>\u672c\u6587\u56de\u987e\u5e76\u603b\u7ed3\u4e86 Redis \u4e3b\u4ece\u590d\u5236\u7684\u6f14\u5316\u8fc7\u7a0b\uff0c\u5e76\u89e3\u91ca\u4e86\u5404\u6b21\u6f14\u5316\u6240\u89e3\u51b3\u7684\u95ee\u9898\u3002\u6700\u540e\uff0c\u63cf\u8ff0\u4e86\u5bf9 Redis \u4e3b\u4ece\u590d\u5236\u8fdb\u884c\u4f18\u5316\u7684\u4e00\u4e9b\u7b56\u7565\u3002<\/p>\n<p>\u4e0b\u9762\u662f\u5bf9\u5168\u6587\u7684\u603b\u7ed3\uff1a<\/p>\n<ul>\n<li>\u5b8f\u89c2\u6765\u770b Redis \u7684\u4e3b\u4ece\u590d\u5236\u5206\u4e3a\u5168\u91cf\u540c\u6b65\u548c\u547d\u4ee4\u4f20\u64ad\u4e24\u4e2a\u9636\u6bb5\u3002\u4e3b\u8282\u70b9\u5148\u53d1\u9001\u5feb\u7167\u7ed9\u4ece\u8282\u70b9\uff0c\u7136\u540e\u6e90\u6e90\u4e0d\u65ad\u5730\u5c06\u547d\u4ee4\u4f20\u64ad\u7ed9\u4ece\u8282\u70b9\uff0c\u4ee5\u6b64\u4fdd\u8bc1\u4e3b\u4ece\u6570\u636e\u7684\u4e00\u81f4\u3002<\/li>\n<li>Redis 2.8 \u4e4b\u524d\u7684\u4e3b\u4ece\u590d\u5236\u5b58\u5728\u95ea\u65ad\u540e\u9700\u8981\u91cd\u65b0\u5168\u91cf\u540c\u6b65\u7684\u95ee\u9898\uff0cRedis 2.8 \u5f15\u5165\u4e86\u590d\u5236\u79ef\u538b\u7f13\u51b2\u533a\u89e3\u51b3\u4e86\u8fd9\u4e00\u95ee\u9898\u3002<\/li>\n<li>\u5728 Redis 4.0 \u4e2d\uff0c\u540c\u6e90\u589e\u91cf\u590d\u5236\u7684\u7b56\u7565\u88ab\u63d0\u51fa\uff0c\u89e3\u51b3\u4e86\u4e3b\u4ece\u5207\u6362\u540e\u4ece\u8282\u70b9\u9700\u8981\u5168\u91cf\u540c\u6b65\u7684\u95ee\u9898\u3002\u81f3\u6b64\uff0cRedis \u7684\u4e3b\u4ece\u590d\u5236\u6574\u4f53\u4e0a\u5df2\u7ecf\u6bd4\u8f83\u5b8c\u5584\u4e86\u3002<\/li>\n<li>Redis 6.0 \u4e2d\uff0c\u4e3a\u8fdb\u4e00\u6b65\u4f18\u5316\u4e3b\u4ece\u590d\u5236\u7684\u6027\u80fd\uff0c\u65e0\u76d8\u540c\u6b65\u548c\u52a0\u8f7d\u88ab\u63d0\u51fa\uff0c\u907f\u514d\u5168\u91cf\u540c\u6b65\u65f6\u8bfb\u5199\u78c1\u76d8\uff0c\u63d0\u9ad8\u4e3b\u4ece\u540c\u6b65\u7684\u901f\u5ea6\u3002<\/li>\n<li>\u5728\u5c1a\u672a\u53d1\u5e03\u7684 Redis 7.0 \u4e2d\uff0c\u91c7\u7528\u4e86\u5171\u4eab\u4e3b\u4ece\u590d\u5236\u7f13\u51b2\u533a\u7684\u7b56\u7565\uff0c\u964d\u4f4e\u4e86\u4e3b\u4ece\u590d\u5236\u5e26\u6765\u7684\u5185\u5b58\u5f00\u9500\u3002<\/li>\n<li>\u4e3a\u4e86\u907f\u514d\u8c03\u7528 fork \u65f6\u5bf9\u4e3b\u8fdb\u7a0b\u7684\u9020\u6210\u957f\u65f6\u95f4\u7684\u963b\u585e\uff0cforkless \u65b9\u6848\u88ab\u63d0\u51fa\uff0c\u5728\u4e0d\u4f9d\u8d56 fork \u7684\u60c5\u51b5\u4e0b\u5b8c\u6210\u5168\u91cf\u540c\u6b65\uff0c\u964d\u4f4e\u4e3b\u4ece\u590d\u5236\u65f6\u5bf9\u4e1a\u52a1\u7684\u5f71\u54cd\u3002<\/li>\n<\/ul>\n","protected":false},"excerpt":{"rendered":"<p>Redis \u7684\u4e3b\u4ece\u590d\u5236\u7ecf\u5386\u4e86\u591a\u6b21\u6f14\u5316\uff0c\u672c\u6587\u5c06\u4ece\u6700\u57fa\u672c\u7684\u539f\u7406\u548c\u5b9e\u73b0\u8bb2\u8d77\uff0c\u5e76\u6839\u636e\u5176\u7248\u672c\u8fed\u4ee3\u8fc7\u7a0b\uff0c\u9010\u6b65\u5448\u73b0\u5176\u4e3b\u4ece\u590d\u5236 [&hellip;]<\/p>\n","protected":false},"author":1,"featured_media":0,"comment_status":"open","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":[],"categories":[1168],"tags":[1169],"_links":{"self":[{"href":"https:\/\/yanjingang.com\/blog\/index.php?rest_route=\/wp\/v2\/posts\/5861"}],"collection":[{"href":"https:\/\/yanjingang.com\/blog\/index.php?rest_route=\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/yanjingang.com\/blog\/index.php?rest_route=\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/yanjingang.com\/blog\/index.php?rest_route=\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"https:\/\/yanjingang.com\/blog\/index.php?rest_route=%2Fwp%2Fv2%2Fcomments&post=5861"}],"version-history":[{"count":1,"href":"https:\/\/yanjingang.com\/blog\/index.php?rest_route=\/wp\/v2\/posts\/5861\/revisions"}],"predecessor-version":[{"id":6951,"href":"https:\/\/yanjingang.com\/blog\/index.php?rest_route=\/wp\/v2\/posts\/5861\/revisions\/6951"}],"wp:attachment":[{"href":"https:\/\/yanjingang.com\/blog\/index.php?rest_route=%2Fwp%2Fv2%2Fmedia&parent=5861"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/yanjingang.com\/blog\/index.php?rest_route=%2Fwp%2Fv2%2Fcategories&post=5861"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/yanjingang.com\/blog\/index.php?rest_route=%2Fwp%2Fv2%2Ftags&post=5861"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}