{"id":1425,"date":"2024-08-30T10:23:21","date_gmt":"2024-08-30T02:23:21","guid":{"rendered":"http:\/\/www.spiceandwolf.com.cn\/?p=1425"},"modified":"2026-03-31T19:20:42","modified_gmt":"2026-03-31T11:20:42","slug":"redis-interview","status":"publish","type":"post","link":"http:\/\/www.spiceandwolf.com.cn\/index.php\/redis-interview\/","title":{"rendered":"Redis\u5e38\u89c1\u9762\u8bd5\u9898"},"content":{"rendered":"\n<h2 class=\"wp-block-heading\">\u4e3a\u4ec0\u4e48Redis\u6267\u884c\u901f\u5ea6\u5feb<\/h2>\n\n\n\n<ul class=\"wp-block-list\">\n<li>\u7eaf\u5185\u5b58\u64cd\u4f5c\u3002Redis\u5c06\u6570\u636e\u5b58\u50a8\u5728\u5185\u5b58\u4e2d\uff0c\u5e76\u4e14\u6570\u636e\u7684\u8bfb\u5199\u64cd\u4f5c\u4e5f\u662f\u5728\u5185\u5b58\u4e0a\u8fdb\u884c\u7684\uff0c\u8fd9\u79cd\u8bfb\u5199\u65b9\u5f0f\u8fdc\u8fdc\u5feb\u4e8e\u5728\u5bf9\u78c1\u76d8\u7684\u6570\u636e\u64cd\u4f5c\u3002<\/li>\n\n\n\n<li>I\/O\u591a\u8def\u590d\u7528\u3002\u540c\u65f6\u76d1\u542c\u591a\u4e2a\u5ba2\u6237\u7aef\u8fde\u63a5\uff0c\u53ea\u6709\u5f53\u7f51\u7edc\u4e8b\u4ef6\u53d1\u751f\u65f6\u624d\u4f1a\u8fdb\u884c\u5b9e\u9645\u7684I\/O\u3002\u8fd9\u6837\u6709\u6548\u7684\u5229\u7528\u4e86CPU\uff0c\u51cf\u5c11\u4e86\u65e0\u8c13\u7684\u7b49\u5f85\u3002<\/li>\n\n\n\n<li>\u9ad8\u6548\u7684\u6570\u636e\u7ed3\u6784\u3002Redis\u91c7\u7528\u4e86\u54c8\u5e0c\u8868\u3001\u6709\u5e8f\u96c6\u5408\u7b49\u6570\u636e\u7ed3\u6784\uff0c\u6709\u6548\u7684\u63d0\u9ad8\u4e86\u6570\u636e\u7684\u8bfb\u5199\u6548\u7387\u3002<\/li>\n<\/ul>\n\n\n\n<h2 class=\"wp-block-heading\">Redis\u5982\u4f55\u4fdd\u8bc1\u7ebf\u7a0b\u5b89\u5168\uff1f<\/h2>\n\n\n\n<p>Redis\u57286.0\u7248\u672c\u524d\uff0c\u6240\u6709\u5ba2\u6237\u7aef\u7684\u8bf7\u6c42\u5904\u7406\u3001\u547d\u4ee4\u6267\u884c\u548c\u6570\u636e\u8bfb\u5199\u90fd\u662f\u5728\u4e00\u4e2a\u4e3b\u7ebf\u7a0b\u4e2d\u5b8c\u6210\u7684\uff0c\u8fd9\u79cd\u8bbe\u8ba1\u76ee\u7684\u662f\u4e3a\u4e86\u9632\u6b62\u591a\u7ebf\u7a0b\u73af\u5883\u4e0b\u9501\u7ade\u4e89\u548c\u4e0a\u4e0b\u6587\u5207\u6362\u5e26\u6765\u7684\u6027\u80fd\u5f00\u9500\uff0c\u4ece\u800c\u5728\u4fdd\u8bc1\u7ebf\u7a0b\u5b89\u5168\u6027\u7684\u540c\u65f6\u63d0\u9ad8\u6027\u80fd\u3002Redis\u57286.0\u7248\u672c\u540e\uff0c\u91c7\u7528IO\u591a\u8def\u590d\u7528\u76d1\u542c\u591a\u4e2a\u5ba2\u6237\u7aef\u7684\u8fde\u63a5\uff0c\u5e76\u4e14\u4f7f\u7528\u591a\u4e2a\u5de5\u4f5c\u7ebf\u7a0b\u5904\u7406\u8fde\u63a5\u8bf7\u6c42\uff0c\u4f46\u662f\u6307\u4ee4\u6267\u884c\u4ecd\u7136\u7531\u5355\u4e2a\u4e3b\u7ebf\u7a0b\u5b8c\u6210\uff0c\u6240\u4ee5\u4e0d\u4f1a\u5b58\u5728\u7ebf\u7a0b\u5b89\u5168\u95ee\u9898\u3002<\/p>\n\n\n\n<h2 class=\"wp-block-heading\">\u5728\u5b9e\u9645\u5de5\u4f5c\u4e2d\uff0cRedis\u5b9e\u73b0\u4e86\u54ea\u4e9b\u4e1a\u52a1\u573a\u666f\uff1f<\/h2>\n\n\n\n<ul class=\"wp-block-list\">\n<li>\u7f13\u5b58\u3002Redis\u63d0\u4f9b\u4e86\u952e\u8fc7\u671f\u529f\u80fd\u548c\u952e\u6dd8\u6c70\u7b56\u7565\u3002<\/li>\n\n\n\n<li>\u6392\u884c\u699c\u3002Redis\u63d0\u4f9b\u7684\u6709\u5e8f\u96c6\u5408\uff08zset\uff09\u80fd\u65b9\u4fbf\u7684\u5b9e\u73b0\u6392\u884c\u699c\u529f\u80fd\u3002<\/li>\n\n\n\n<li>\u5206\u5e03\u5f0f\u4f1a\u8bdd\u3002\u5728\u96c6\u7fa4\u6a21\u5f0f\u4e0b\uff0c\u4e00\u822c\u4f1a\u642d\u5efa\u4ee5Redis\u7b49\u5185\u5b58\u6570\u636e\u5e93\u4e3a\u4e2d\u5fc3\u7684session\u670d\u52a1\uff0csession\u4e0d\u518d\u7531\u5bb9\u5668\u7ba1\u7406\uff0c\u800c\u662f\u7531session\u670d\u52a1\u53ca\u5185\u5b58\u6570\u636e\u5e93\u7ba1\u7406\u3002<\/li>\n\n\n\n<li>\u5206\u5e03\u5f0f\u9501\u3002\u5728\u9ad8\u5e76\u53d1\u573a\u666f\u4e0b\uff0c\u53ef\u4ee5\u5229\u7528Redis\u7684setnx\u529f\u80fd\u6765\u7f16\u5199\u5206\u5e03\u5f0f\u9501\u3002<\/li>\n<\/ul>\n\n\n\n<h2 class=\"wp-block-heading\">Redis\u5e38\u7528\u6570\u636e\u7c7b\u578b<\/h2>\n\n\n\n<ul class=\"wp-block-list\">\n<li>\u5b57\u7b26\u4e32\u3002String \u662f\u4e00\u79cd\u4e8c\u8fdb\u5236\u5b89\u5168\u7684\u6570\u636e\u7c7b\u578b\uff0c\u53ef\u4ee5\u7528\u6765\u5b58\u50a8\u4efb\u4f55\u7c7b\u578b\u7684\u6570\u636e\u6bd4\u5982\u5b57\u7b26\u4e32\u3001\u6574\u6570\u3001\u6d6e\u70b9\u6570\u3001\u56fe\u7247\uff08\u56fe\u7247\u7684 base64 \u7f16\u7801\u6216\u8005\u89e3\u7801\u6216\u8005\u56fe\u7247\u7684\u8def\u5f84\uff09\u3001\u5e8f\u5217\u5316\u540e\u7684\u5bf9\u8c61\u3002\n<ul class=\"wp-block-list\">\n<li>\u5e94\u7528\u573a\u666f\u3002\n<ul class=\"wp-block-list\">\n<li>\u9700\u8981\u5b58\u50a8\u5e38\u89c4\u6570\u636e\u7684\u573a\u666f\u3002\n<ul class=\"wp-block-list\">\n<li>\u4e3e\u4f8b\uff1a\u7f13\u5b58 Session\u3001Token\u3001\u56fe\u7247\u5730\u5740\u3001\u5e8f\u5217\u5316\u540e\u7684\u5bf9\u8c61(\u76f8\u6bd4\u8f83\u4e8e Hash \u5b58\u50a8\u66f4\u8282\u7701\u5185\u5b58)\u3002<\/li>\n\n\n\n<li>\u76f8\u5173\u547d\u4ee4\uff1a<code>SET<\/code>\u3001<code>GET<\/code>\u3002<\/li>\n<\/ul>\n<\/li>\n\n\n\n<li>\u9700\u8981\u8ba1\u6570\u7684\u573a\u666f\u3002\n<ul class=\"wp-block-list\">\n<li>\u4e3e\u4f8b\uff1a\u7528\u6237\u5355\u4f4d\u65f6\u95f4\u7684\u8bf7\u6c42\u6570\uff08\u7b80\u5355\u9650\u6d41\u53ef\u4ee5\u7528\u5230\uff09\u3001\u9875\u9762\u5355\u4f4d\u65f6\u95f4\u7684\u8bbf\u95ee\u6570\u3002<\/li>\n\n\n\n<li>\u76f8\u5173\u547d\u4ee4\uff1a<code>SET<\/code>\u3001<code>GET<\/code>\u3001&nbsp;<code>INCR<\/code>\u3001<code>DECR<\/code>&nbsp;\u3002<\/li>\n<\/ul>\n<\/li>\n<\/ul>\n<\/li>\n<\/ul>\n<\/li>\n\n\n\n<li>\u5217\u8868\u3002Redis \u4e2d\u7684 List \u5176\u5b9e\u5c31\u662f\u94fe\u8868\u6570\u636e\u7ed3\u6784\u7684\u5b9e\u73b0\u3002\n<ul class=\"wp-block-list\">\n<li>\u5e94\u7528\u573a\u666f\n<ul class=\"wp-block-list\">\n<li>\u4fe1\u606f\u6d41\u5c55\u793a\u3002\n<ul class=\"wp-block-list\">\n<li>\u4e3e\u4f8b\uff1a\u6700\u65b0\u6587\u7ae0\u3001\u6700\u65b0\u52a8\u6001\u3002<\/li>\n\n\n\n<li>\u76f8\u5173\u547d\u4ee4\uff1a<code>LPUSH<\/code>\u3001<code>LRANGE<\/code>\u3002<\/li>\n<\/ul>\n<\/li>\n<\/ul>\n<\/li>\n<\/ul>\n<\/li>\n\n\n\n<li>\u54c8\u5e0c\u3002Redis \u4e2d\u7684 Hash \u662f\u4e00\u4e2a String \u7c7b\u578b\u7684 field-value\uff08\u952e\u503c\u5bf9\uff09 \u7684\u6620\u5c04\u8868\uff0c\u7279\u522b\u9002\u5408\u7528\u4e8e\u5b58\u50a8\u5bf9\u8c61\uff0c\u540e\u7eed\u64cd\u4f5c\u7684\u65f6\u5019\uff0c\u4f60\u53ef\u4ee5\u76f4\u63a5\u4fee\u6539\u8fd9\u4e2a\u5bf9\u8c61\u4e2d\u7684\u67d0\u4e9b\u5b57\u6bb5\u7684\u503c\u3002\n<ul class=\"wp-block-list\">\n<li>\u5e94\u7528\u573a\u666f\u3002\n<ul class=\"wp-block-list\">\n<li>\u5bf9\u8c61\u6570\u636e\u5b58\u50a8\u573a\u666f\u3002\n<ul class=\"wp-block-list\">\n<li>\u4e3e\u4f8b\uff1a\u7528\u6237\u4fe1\u606f\u3001\u5546\u54c1\u4fe1\u606f\u3001\u6587\u7ae0\u4fe1\u606f\u3001\u8d2d\u7269\u8f66\u4fe1\u606f\u3002<\/li>\n\n\n\n<li>\u76f8\u5173\u547d\u4ee4\uff1a<code>HSET<\/code>&nbsp;\uff08\u8bbe\u7f6e\u5355\u4e2a\u5b57\u6bb5\u7684\u503c\uff09\u3001<code>HMSET<\/code>\uff08\u8bbe\u7f6e\u591a\u4e2a\u5b57\u6bb5\u7684\u503c\uff09\u3001<code>HGET<\/code>\uff08\u83b7\u53d6\u5355\u4e2a\u5b57\u6bb5\u7684\u503c\uff09\u3001<code>HMGET<\/code>\uff08\u83b7\u53d6\u591a\u4e2a\u5b57\u6bb5\u7684\u503c\uff09\u3002<\/li>\n<\/ul>\n<\/li>\n<\/ul>\n<\/li>\n<\/ul>\n<\/li>\n\n\n\n<li>\u96c6\u5408\u3002Redis \u4e2d\u7684 Set \u7c7b\u578b\u662f\u4e00\u79cd\u65e0\u5e8f\u96c6\u5408\uff0c\u96c6\u5408\u4e2d\u7684\u5143\u7d20\u6ca1\u6709\u5148\u540e\u987a\u5e8f\u4f46\u90fd\u552f\u4e00\uff0c\u6709\u70b9\u7c7b\u4f3c\u4e8e Java \u4e2d\u7684&nbsp;<code>HashSet<\/code>&nbsp;\u3002\u5f53\u4f60\u9700\u8981\u5b58\u50a8\u4e00\u4e2a\u5217\u8868\u6570\u636e\uff0c\u53c8\u4e0d\u5e0c\u671b\u51fa\u73b0\u91cd\u590d\u6570\u636e\u65f6\uff0cSet \u662f\u4e00\u4e2a\u5f88\u597d\u7684\u9009\u62e9\uff0c\u5e76\u4e14 Set \u63d0\u4f9b\u4e86\u5224\u65ad\u67d0\u4e2a\u5143\u7d20\u662f\u5426\u5728\u4e00\u4e2a Set \u96c6\u5408\u5185\u7684\u91cd\u8981\u63a5\u53e3\uff0c\u8fd9\u4e2a\u4e5f\u662f List \u6240\u4e0d\u80fd\u63d0\u4f9b\u7684\u3002\u4f60\u53ef\u4ee5\u57fa\u4e8e Set \u8f7b\u6613\u5b9e\u73b0\u4ea4\u96c6\u3001\u5e76\u96c6\u3001\u5dee\u96c6\u7684\u64cd\u4f5c\uff0c\u6bd4\u5982\u4f60\u53ef\u4ee5\u5c06\u4e00\u4e2a\u7528\u6237\u6240\u6709\u7684\u5173\u6ce8\u4eba\u5b58\u5728\u4e00\u4e2a\u96c6\u5408\u4e2d\uff0c\u5c06\u5176\u6240\u6709\u7c89\u4e1d\u5b58\u5728\u4e00\u4e2a\u96c6\u5408\u3002\u8fd9\u6837\u7684\u8bdd\uff0cSet \u53ef\u4ee5\u975e\u5e38\u65b9\u4fbf\u7684\u5b9e\u73b0\u5982\u5171\u540c\u5173\u6ce8\u3001\u5171\u540c\u7c89\u4e1d\u3001\u5171\u540c\u559c\u597d\u7b49\u529f\u80fd\u3002\u8fd9\u4e2a\u8fc7\u7a0b\u4e5f\u5c31\u662f\u6c42\u4ea4\u96c6\u7684\u8fc7\u7a0b\u3002\n<ul class=\"wp-block-list\">\n<li>\u5e94\u7528\u573a\u666f\u3002\n<ul class=\"wp-block-list\">\n<li>\u9700\u8981\u5b58\u653e\u7684\u6570\u636e\u4e0d\u80fd\u91cd\u590d\u7684\u573a\u666f\u3002\n<ul class=\"wp-block-list\">\n<li>\u4e3e\u4f8b\uff1a\u7f51\u7ad9 UV \u7edf\u8ba1\uff08\u6570\u636e\u91cf\u5de8\u5927\u7684\u573a\u666f\u8fd8\u662f&nbsp;<code>HyperLogLog<\/code>\u66f4\u9002\u5408\u4e00\u4e9b\uff09\u3001\u6587\u7ae0\u70b9\u8d5e\u3001\u52a8\u6001\u70b9\u8d5e\u7b49\u573a\u666f\u3002<\/li>\n\n\n\n<li>\u76f8\u5173\u547d\u4ee4\uff1a<code>SCARD<\/code>\uff08\u83b7\u53d6\u96c6\u5408\u6570\u91cf\uff09 \u3002<\/li>\n<\/ul>\n<\/li>\n\n\n\n<li>\u9700\u8981\u83b7\u53d6\u591a\u4e2a\u6570\u636e\u6e90\u4ea4\u96c6\u3001\u5e76\u96c6\u548c\u5dee\u96c6\u7684\u573a\u666f\u3002\n<ul class=\"wp-block-list\">\n<li>\u4e3e\u4f8b\uff1a\u5171\u540c\u597d\u53cb(\u4ea4\u96c6)\u3001\u5171\u540c\u7c89\u4e1d(\u4ea4\u96c6)\u3001\u5171\u540c\u5173\u6ce8(\u4ea4\u96c6)\u3001\u597d\u53cb\u63a8\u8350\uff08\u5dee\u96c6\uff09\u3001\u97f3\u4e50\u63a8\u8350\uff08\u5dee\u96c6\uff09\u3001\u8ba2\u9605\u53f7\u63a8\u8350\uff08\u5dee\u96c6+\u4ea4\u96c6\uff09 \u7b49\u573a\u666f\u3002<\/li>\n\n\n\n<li>\u76f8\u5173\u547d\u4ee4\uff1a<code>SINTER<\/code>\uff08\u4ea4\u96c6\uff09\u3001<code>SINTERSTORE<\/code>&nbsp;\uff08\u4ea4\u96c6\uff09\u3001<code>SUNION<\/code>&nbsp;\uff08\u5e76\u96c6\uff09\u3001<code>SUNIONSTORE<\/code>\uff08\u5e76\u96c6\uff09\u3001<code>SDIFF<\/code>\uff08\u5dee\u96c6\uff09\u3001<code>SDIFFSTORE<\/code>&nbsp;\uff08\u5dee\u96c6\uff09\u3002<\/li>\n<\/ul>\n<\/li>\n<\/ul>\n<\/li>\n<\/ul>\n<\/li>\n\n\n\n<li>\u6709\u5e8f\u96c6\u5408\u3002Sorted Set \u7c7b\u4f3c\u4e8e Set\uff0c\u4f46\u548c Set \u76f8\u6bd4\uff0cSorted Set \u589e\u52a0\u4e86\u4e00\u4e2a\u6743\u91cd\u53c2\u6570&nbsp;<code>score<\/code>\uff0c\u4f7f\u5f97\u96c6\u5408\u4e2d\u7684\u5143\u7d20\u80fd\u591f\u6309&nbsp;<code>score<\/code>&nbsp;\u8fdb\u884c\u6709\u5e8f\u6392\u5217\uff0c\u8fd8\u53ef\u4ee5\u901a\u8fc7&nbsp;<code>score<\/code>&nbsp;\u7684\u8303\u56f4\u6765\u83b7\u53d6\u5143\u7d20\u7684\u5217\u8868\u3002\u6709\u70b9\u50cf\u662f Java \u4e2d&nbsp;<code>HashMap<\/code>&nbsp;\u548c&nbsp;<code>TreeSet<\/code>&nbsp;\u7684\u7ed3\u5408\u4f53\u3002\n<ul class=\"wp-block-list\">\n<li>\u5e94\u7528\u573a\u666f\u3002\n<ul class=\"wp-block-list\">\n<li>\u9700\u8981\u968f\u673a\u83b7\u53d6\u6570\u636e\u6e90\u4e2d\u7684\u5143\u7d20\u6839\u636e\u67d0\u4e2a\u6743\u91cd\u8fdb\u884c\u6392\u5e8f\u7684\u573a\u666f\u3002\n<ul class=\"wp-block-list\">\n<li>\u4e3e\u4f8b\uff1a\u5404\u79cd\u6392\u884c\u699c\u6bd4\u5982\u76f4\u64ad\u95f4\u9001\u793c\u7269\u7684\u6392\u884c\u699c\u3001\u670b\u53cb\u5708\u7684\u5fae\u4fe1\u6b65\u6570\u6392\u884c\u699c\u3001\u738b\u8005\u8363\u8000\u4e2d\u7684\u6bb5\u4f4d\u6392\u884c\u699c\u3001\u8bdd\u9898\u70ed\u5ea6\u6392\u884c\u699c\u7b49\u7b49\u3002<\/li>\n\n\n\n<li>\u76f8\u5173\u547d\u4ee4\uff1a<code>ZRANGE<\/code>&nbsp;(\u4ece\u5c0f\u5230\u5927\u6392\u5e8f)\u3001&nbsp;<code>ZREVRANGE<\/code>&nbsp;\uff08\u4ece\u5927\u5230\u5c0f\u6392\u5e8f\uff09\u3001<code>ZREVRANK<\/code>&nbsp;(\u6307\u5b9a\u5143\u7d20\u6392\u540d)\u3002<\/li>\n<\/ul>\n<\/li>\n\n\n\n<li>\u9700\u8981\u5b58\u50a8\u7684\u6570\u636e\u6709\u4f18\u5148\u7ea7\u6216\u8005\u91cd\u8981\u7a0b\u5ea6\u7684\u573a\u666f&nbsp;\u6bd4\u5982\u4f18\u5148\u7ea7\u4efb\u52a1\u961f\u5217\u3002\n<ul class=\"wp-block-list\">\n<li>\u4e3e\u4f8b\uff1a\u4f18\u5148\u7ea7\u4efb\u52a1\u961f\u5217\u3002<\/li>\n\n\n\n<li>\u76f8\u5173\u547d\u4ee4\uff1a<code>ZRANGE<\/code>&nbsp;(\u4ece\u5c0f\u5230\u5927\u6392\u5e8f)\u3001&nbsp;<code>ZREVRANGE<\/code>&nbsp;\uff08\u4ece\u5927\u5230\u5c0f\u6392\u5e8f\uff09\u3001<code>ZREVRANK<\/code>&nbsp;(\u6307\u5b9a\u5143\u7d20\u6392\u540d)\u3002 <\/li>\n<\/ul>\n<\/li>\n<\/ul>\n<\/li>\n<\/ul>\n<\/li>\n\n\n\n<li>BitMap\uff08\u4f4d\u56fe\uff09\u3002Bitmap \u5b58\u50a8\u7684\u662f\u8fde\u7eed\u7684\u4e8c\u8fdb\u5236\u6570\u5b57\uff080 \u548c 1\uff09\uff0c\u901a\u8fc7 Bitmap, \u53ea\u9700\u8981\u4e00\u4e2a bit \u4f4d\u6765\u8868\u793a\u67d0\u4e2a\u5143\u7d20\u5bf9\u5e94\u7684\u503c\u6216\u8005\u72b6\u6001\uff0ckey \u5c31\u662f\u5bf9\u5e94\u5143\u7d20\u672c\u8eab \u3002\u6211\u4eec\u77e5\u9053 8 \u4e2a bit \u53ef\u4ee5\u7ec4\u6210\u4e00\u4e2a byte\uff0c\u6240\u4ee5 Bitmap \u672c\u8eab\u4f1a\u6781\u5927\u7684\u8282\u7701\u50a8\u5b58\u7a7a\u95f4\u3002\u4f60\u53ef\u4ee5\u5c06 Bitmap \u770b\u4f5c\u662f\u4e00\u4e2a\u5b58\u50a8\u4e8c\u8fdb\u5236\u6570\u5b57\uff080 \u548c 1\uff09\u7684\u6570\u7ec4\uff0c\u6570\u7ec4\u4e2d\u6bcf\u4e2a\u5143\u7d20\u7684\u4e0b\u6807\u53eb\u505a offset\uff08\u504f\u79fb\u91cf\uff09\u3002\n<ul class=\"wp-block-list\">\n<li>\u5e94\u7528\u573a\u666f\u3002\n<ul class=\"wp-block-list\">\n<li>\u9700\u8981\u4fdd\u5b58\u72b6\u6001\u4fe1\u606f\uff080\/1 \u5373\u53ef\u8868\u793a\uff09\u7684\u573a\u666f\u3002\n<ul class=\"wp-block-list\">\n<li>\u4e3e\u4f8b\uff1a\u7528\u6237\u7b7e\u5230\u60c5\u51b5\u3001\u6d3b\u8dc3\u7528\u6237\u60c5\u51b5\u3001\u7528\u6237\u884c\u4e3a\u7edf\u8ba1\uff08\u6bd4\u5982\u662f\u5426\u70b9\u8d5e\u8fc7\u67d0\u4e2a\u89c6\u9891\uff09\u3002<\/li>\n\n\n\n<li>\u76f8\u5173\u547d\u4ee4\uff1a<code>SETBIT<\/code>\u3001<code>GETBIT<\/code>\u3001<code>BITCOUNT<\/code>\u3001<code>BITOP<\/code>\u3002<\/li>\n<\/ul>\n<\/li>\n<\/ul>\n<\/li>\n<\/ul>\n<\/li>\n\n\n\n<li>HyperLogLog\uff08\u57fa\u6570\u7edf\u8ba1\uff09\u3002HyperLogLog \u662f\u4e00\u79cd\u6709\u540d\u7684\u57fa\u6570\u8ba1\u6570\u6982\u7387\u7b97\u6cd5 \uff0c\u57fa\u4e8e LogLog Counting(LLC)\u4f18\u5316\u6539\u8fdb\u5f97\u6765\uff0c\u5e76\u4e0d\u662f Redis \u7279\u6709\u7684\uff0cRedis \u53ea\u662f\u5b9e\u73b0\u4e86\u8fd9\u4e2a\u7b97\u6cd5\u5e76\u63d0\u4f9b\u4e86\u4e00\u4e9b\u5f00\u7bb1\u5373\u7528\u7684 API\u3002\n<ul class=\"wp-block-list\">\n<li>\u5e94\u7528\u573a\u666f\u3002\n<ul class=\"wp-block-list\">\n<li><strong>\u6570\u91cf\u91cf\u5de8\u5927\uff08\u767e\u4e07\u3001\u5343\u4e07\u7ea7\u522b\u4ee5\u4e0a\uff09\u7684\u8ba1\u6570\u573a\u666f<\/strong>\u3002\n<ul class=\"wp-block-list\">\n<li>\u4e3e\u4f8b\uff1a\u70ed\u95e8\u7f51\u7ad9\u6bcf\u65e5\/\u6bcf\u5468\/\u6bcf\u6708\u8bbf\u95ee ip \u6570\u7edf\u8ba1\u3001\u70ed\u95e8\u5e16\u5b50 uv \u7edf\u8ba1\u3002<\/li>\n\n\n\n<li>\u76f8\u5173\u547d\u4ee4\uff1a<code>PFADD<\/code>\u3001<code>PFCOUNT<\/code>&nbsp;\u3002<\/li>\n<\/ul>\n<\/li>\n<\/ul>\n<\/li>\n<\/ul>\n<\/li>\n\n\n\n<li>Geospatial (\u5730\u7406\u4f4d\u7f6e)\u3002Geospatial index\uff08\u5730\u7406\u7a7a\u95f4\u7d22\u5f15\uff0c\u7b80\u79f0 GEO\uff09 \u4e3b\u8981\u7528\u4e8e\u5b58\u50a8\u5730\u7406\u4f4d\u7f6e\u4fe1\u606f\uff0c\u57fa\u4e8e Sorted Set \u5b9e\u73b0\u3002\u901a\u8fc7 GEO \u6211\u4eec\u53ef\u4ee5\u8f7b\u677e\u5b9e\u73b0\u4e24\u4e2a\u4f4d\u7f6e\u8ddd\u79bb\u7684\u8ba1\u7b97\u3001\u83b7\u53d6\u6307\u5b9a\u4f4d\u7f6e\u9644\u8fd1\u7684\u5143\u7d20\u7b49\u529f\u80fd\u3002\n<ul class=\"wp-block-list\">\n<li>\u5e94\u7528\u573a\u666f\u3002\n<ul class=\"wp-block-list\">\n<li>\u9700\u8981\u7ba1\u7406\u4f7f\u7528\u5730\u7406\u7a7a\u95f4\u6570\u636e\u7684\u573a\u666f\u3002\n<ul class=\"wp-block-list\">\n<li>\u4e3e\u4f8b\uff1a\u9644\u8fd1\u7684\u4eba\u3002<\/li>\n\n\n\n<li>\u76f8\u5173\u547d\u4ee4:&nbsp;<code>GEOADD<\/code>\u3001<code>GEORADIUS<\/code>\u3001<code>GEORADIUSBYMEMBER<\/code>&nbsp;\u3002<\/li>\n<\/ul>\n<\/li>\n<\/ul>\n<\/li>\n<\/ul>\n<\/li>\n<\/ul>\n\n\n\n<h2 class=\"wp-block-heading\">Redis\u5206\u5e03\u5f0f\u9501\u5b9e\u73b0<\/h2>\n\n\n\n<p>\u5206\u5e03\u5f0f\u9501\u7684\u4f5c\u7528\uff1a\u5206\u5e03\u5f0f\u9501\u53ef\u4ee5\u7ba1\u7406 \u591a\u4e2a\u7cfb\u7edf\u5bf9\u8d44\u6e90\u7684\u540c\u6b65\u63a7\u5236\u3002<\/p>\n\n\n\n<p>\u6211\u4eec\u9996\u5148\u5e0c\u671b\u5728\u540c\u4e00\u65f6\u95f4\u53ea\u80fd\u6709\u4e00\u4e2a\u5ba2\u6237\u7aef\u6301\u6709\u9501\uff1a<\/p>\n\n\n\n<ol class=\"wp-block-list\">\n<li>setnx(set if not exists)\u6307\u4ee4\u3002\n<ul class=\"wp-block-list\">\n<li>\u4f7f\u7528\u3002setnx key value\u3002<\/li>\n\n\n\n<li>\u95ee\u9898\u3002\u5728\u4ee3\u7801\u6267\u884c\u4e00\u534a\u65f6\uff0c\u7279\u6b8a\u539f\u56e0\u5bfc\u81f4\u7a0b\u5e8f\u5d29\u6e83\u800c\u6ca1\u6709\u6267\u884c\u89e3\u9501\u64cd\u4f5c\uff0c\u5bfc\u81f4\u6b7b\u9501\u3002<\/li>\n<\/ul>\n<\/li>\n\n\n\n<li>setnx ex\/px\u6307\u4ee4\u3002\n<ul class=\"wp-block-list\">\n<li>set key value nx px 3000\u3002<\/li>\n\n\n\n<li>\u95ee\u9898\u3002\u4e0d\u80fd\u89e3\u51b3\u9501\u7eed\u671f\u548c\u9501\u91cd\u5165\u3002<\/li>\n<\/ul>\n<\/li>\n\n\n\n<li>Lua\u811a\u672c\u3002\u53ef\u4ee5\u89e3\u51b3\u9501\u91cd\u5165\uff0c\u4f46\u662f\u4e0d\u80fd\u89e3\u51b3\u9501\u7eed\u671f\u95ee\u9898\u3002<\/li>\n\n\n\n<li>Redisson\u6846\u67b6\u3002\u53ef\u4ee5\u540c\u65f6\u89e3\u51b3\u9501\u91cd\u5165\u548c\u9501\u7eed\u671f\u95ee\u9898\uff0c\u4e14\u5b9e\u73b0\u7b80\u5355\u3002<\/li>\n<\/ol>\n\n\n\n<h2 class=\"wp-block-heading\">\u7f13\u5b58\u51fb\u7a7f<\/h2>\n\n\n\n<p>\u9ad8\u5e76\u53d1\u65f6\uff0c\u4e00\u4e2akey\u662f\u70ed\u70b9\u6570\u636e\uff0c\u9700\u8981\u5e94\u5bf9\u5927\u91cf\u5e76\u53d1\u8bf7\u6c42\uff0c\u8fd9\u65f6key\u5982\u679c\u5931\u6548\uff0c\u5728\u5931\u6548\u7684\u77ac\u95f4\u4f1a\u6709\u5927\u91cf\u8bf7\u6c42\u8de8\u56fdredis\u76f4\u63a5\u8bf7\u6c42\u6570\u636e\u5e93\uff0c\u5e76\u5c06\u67e5\u8be2\u5230\u7684\u503c\u56de\u5199\u5230\u7f13\u5b58\uff0c\u8fd9\u4f1a\u5bfc\u81f4\u6027\u80fd\u7684\u5927\u5e45\u4e0b\u964d\uff0c\u8fd9\u79cd\u73b0\u8c61\u5c31\u53eb\u7f13\u5b58\u51fb\u7a7f\u3002<\/p>\n\n\n\n<p>\u89e3\u51b3\u65b9\u6848\uff1a<\/p>\n\n\n\n<ol class=\"wp-block-list\">\n<li>\u5c06\u8fc7\u671f\u65f6\u95f4\u8bbe\u7f6e\u4e3a\u6c38\u4e0d\u8fc7\u671f\u3002\n<ul class=\"wp-block-list\">\n<li>\u65b9\u6848\u4e00\u3002\u5c06\u53ef\u80fd\u7684\u70ed\u95e8\u5546\u54c1\u7684key\u503c\u8bbe\u7f6e\u6210\u6c38\u4e0d\u8fc7\u671f\u3002<\/li>\n\n\n\n<li>\u65b9\u6848\u4e8c\u3002\u65e5\u5747\u8bbf\u95ee\u91cf\u8fbe\u5230\u67d0\u4e2a\u9608\u503c\u65f6\u5c06key\u8bbe\u7f6e\u6210\u6c38\u4e0d\u8fc7\u671f\u3002<\/li>\n\n\n\n<li>\u65b9\u6848\u4e09\u3002\u7528\u5b9a\u65f6\u4efb\u52a1\u5bf9\u8bbf\u95ee\u91cf\u8fbe\u5230\u67d0\u4e2a\u9608\u503c\u7684\u6570\u636e\u8fdb\u884c\u7eed\u671f\u3002<\/li>\n<\/ul>\n<\/li>\n\n\n\n<li>\u52a0\u9501\u6392\u961f\u3002\u4f7f\u7528\u5206\u5e03\u5f0f\u9501\u6216\u8005\u53cc\u91cd\u68c0\u67e5\u9501\u5bf9\u6570\u636e\u5e93\u8bf7\u6c42\u4ee3\u7801\u8fdb\u884c\u52a0\u9501\uff0c\u4f7f\u540c\u65f6\u53ea\u4f1a\u6709\u4e00\u4e2a\u7ebf\u7a0b\u5bf9\u6570\u636e\u5e93\u653e\u677e\u8bf7\u6c42\u3002<\/li>\n<\/ol>\n\n\n\n<h2 class=\"wp-block-heading\">\u7f13\u5b58\u96ea\u5d29<\/h2>\n\n\n\n<p>\u7f13\u5b58\u96c6\u4e2d\u8fc7\u671f\u6216\u7f13\u5b58\u670d\u52a1\u5668\u5b95\u673a\uff0c\u5bfc\u81f4\u5927\u91cf\u8bf7\u6c42\u8bbf\u95ee\u6570\u636e\u5e93\uff0c\u9020\u6210\u6570\u636e\u5e93\u77ac\u95f4\u538b\u529b\u8fc7\u5927\u800c\u9020\u6210\u5b95\u673a\uff0c\u8fd9\u79cd\u73b0\u8c61\u79f0\u4e3a\u7f13\u5b58\u96ea\u5d29\u3002<\/p>\n\n\n\n<p>\u89e3\u51b3\u65b9\u6848\uff1a<\/p>\n\n\n\n<ol class=\"wp-block-list\">\n<li>\uff08\u52a0\u9501\u6392\u961f\uff09\u968f\u673a\u5931\u6548\u65f6\u95f4\uff08\u9488\u5bf9\u7f13\u5b58\u96c6\u4e2d\u8fc7\u671f\uff09\u3002<\/li>\n\n\n\n<li>redis\u96c6\u7fa4\uff08\u9488\u5bf9\u7f13\u5b58\u670d\u52a1\u5668\u5b95\u673a\uff09\u3002<\/li>\n\n\n\n<li>\u7f13\u5b58\u9884\u70ed\uff0c\u5373\u5728\u4e0a\u7ebf\u524d\uff0c\u6839\u636e\u5f53\u5929\u60c5\u51b5\uff0c\u5c06\u70ed\u6570\u636e\u76f4\u63a5\u52a0\u8f7d\u5230\u7f13\u5b58\u3002<\/li>\n<\/ol>\n\n\n\n<h2 class=\"wp-block-heading\">\u7f13\u5b58\u7a7f\u900f<\/h2>\n\n\n\n<p>\u5f53key\u503c\u5728\u6570\u636e\u5e93\u548c\u7f13\u5b58\u4e2d\u90fd\u4e0d\u5b58\u5728\uff0c\u5bfc\u81f4\u6bcf\u6b21\u8bf7\u6c42\u90fd\u56de\u53bb\u67e5\u8be2\u6570\u636e\u5e93\u3002\u8fd9\u79cd\u573a\u666f\u53ef\u80fd\u6d89\u53ca\u5230\u653b\u51fb\u8005\u5bf9\u4e0d\u771f\u5b9e\u6570\u636e\u7684\u5927\u91cf\u653b\u51fb\u8bf7\u6c42\uff0c\u53ef\u80fd\u4f1a\u5bfc\u81f4\u6570\u636e\u5e93\u538b\u529b\u8fc7\u5927\u4ece\u800c\u5b95\u673a\u3002<\/p>\n\n\n\n<p>\u89e3\u51b3\u65b9\u6848\uff1a<\/p>\n\n\n\n<ol class=\"wp-block-list\">\n<li>\u4e1a\u52a1\u5c42\u53c2\u6570\u6821\u9a8c\u3002\u53ef\u4ee5\u6839\u636e\u8bf7\u6c42\u53c2\u6570\u8fdb\u884c\u6821\u9a8c\uff0c\u5bf9\u4e8e\u660e\u663e\u9519\u8bef\u7684\u53c2\u6570\uff0c\u76f4\u63a5\u62e6\u622a\u8fd4\u56de\u3002<\/li>\n\n\n\n<li>\u7f13\u5b58\u7a7a\u5bf9\u8c61\u3002<\/li>\n\n\n\n<li>\u5e03\u9686\u8fc7\u6ee4\u5668\u3002<\/li>\n<\/ol>\n\n\n\n<h2 class=\"wp-block-heading\">\u5e03\u9686\u8fc7\u6ee4\u5668<\/h2>\n\n\n\n<p>\u5e03\u9686\u8fc7\u6ee4\u5668\u662f\u4e00\u79cd\u80fd\u964d\u4f4e\u67e5\u8be2\u7684\u65f6\u95f4\u590d\u6742\u5ea6\u53c8\u80fd\u51cf\u5c0f\u5b58\u50a8\u7684\u7a7a\u95f4\u590d\u6742\u5ea6\u7684\u4e00\u79cd\u6570\u636e\u7ed3\u6784\u3002<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li>\u4f18\u70b9\n<ul class=\"wp-block-list\">\n<li>\u6570\u636e\u68c0\u7d22\u6027\u80fd\u5feb\u3002<\/li>\n\n\n\n<li>\u7a7a\u95f4\u5360\u7528\u5c0f\u3002<\/li>\n<\/ul>\n<\/li>\n\n\n\n<li>\u7f3a\u70b9\n<ul class=\"wp-block-list\">\n<li>\u5b58\u5728\u8bef\u5224\u6027\u3002<\/li>\n<\/ul>\n<\/li>\n\n\n\n<li>\u9002\u7528\u573a\u666f\u3002\n<ul class=\"wp-block-list\">\n<li>\u5927\u6570\u636e\u91cf\u3002<\/li>\n\n\n\n<li>\u80fd\u5bb9\u5fcd\u4e00\u5b9a\u8bef\u5224\u6027\u3002<\/li>\n<\/ul>\n<\/li>\n\n\n\n<li>\u8fc7\u6ee4\u6d41\u7a0b\u3002\n<ul class=\"wp-block-list\">\n<li>\u540e\u7aef\u5e94\u7528\u5230redis\uff08\u5e03\u9686\u8fc7\u6ee4\u5668\u96c6\u6210\u4e8eredis\u4e2d\uff09\u4e2d\u67e5\u627e\uff0c\u5224\u65ad\u662f\u5426\u5b58\u5728key\u3002<\/li>\n\n\n\n<li>\u5982\u679c\u5b58\u5728\uff0c\u5219\u8bfb\u53d6redis\u4e2d\u7684\u7f13\u5b58\u6570\u636e\u3002\u5982\u679c\u4e0d\u5b58\u5728\uff0c\u5219\u62e6\u622a\u65e0\u6548\u8bf7\u6c42\u3002<\/li>\n<\/ul>\n<\/li>\n\n\n\n<li>\u5b9e\u73b0\u539f\u7406\u3002\u5e03\u9686\u8fc7\u6ee4\u5668\u7684\u5e95\u5c42\u5b9e\u73b0\u662fbit\u4f4d\u6570\u7ec4\u3002\n<ul 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class=\"wp-block-heading\">\u5220\u9664\u7f13\u5b58\u91cd\u8bd5\u673a\u5236<\/h5>\n\n\n\n<p>\u5220\u9664\u91cd\u8bd5\u673a\u5236\u53ef\u4ee5\u8fd9\u4e48\u5b9e\u73b0\uff0c\u5f53\u5220\u9664\u5931\u8d25\u65f6\u5c06\u5220\u9664\u5931\u8d25\u7684key\u5f02\u6b65\u53d1\u9001\u7ed9MQ\uff0c\u7cfb\u7edf\u76d1\u542cMQ\u7cfb\u7edf\uff0c\u5f53\u6709\u5220\u9664\u5931\u8d25\u7684\u6d88\u606f\u5219\u518d\u6b21\u5c1d\u8bd5\u5220\u9664\u5bf9\u5e94\u7f13\u5b58\uff0c\u8fd9\u6837\u7684\u7f3a\u70b9\u662f\u4e1a\u52a1\u4ee3\u7801\u548cmq\u7684\u64cd\u4f5c\u8026\u5408\u5ea6\u8f83\u9ad8\u3002<\/p>\n\n\n\n<p>\u6bd4\u8f83\u597d\u7684\u65b9\u6cd5\u662f\u91c7\u7528canal\u6846\u67b6\u8fdb\u884c\u89e3\u8026\uff1a<\/p>\n\n\n\n<p>canal\u4f1a\u76d1\u542cMYSQL\u7684binlog\u65e5\u5fd7\uff0c\u5f53\u51fa\u73b0\u6570\u636e\u5e93\u7684\u4fee\u6539\u65f6\uff0ccanal\u4f1a\u53d1\u9001\u6570\u636e\u4fee\u6539\u7684\u901a\u77e5\u7ed9canal\u5ba2\u6237\u7aef\uff0ccanal\u5ba2\u6237\u7aef\u4f1a\u5c1d\u8bd5\u5ef6\u8fdf\u5220\u9664redis\uff0c\u5f53\u5220\u9664\u5931\u8d25canal\u5ba2\u6237\u7aef\u4f1a\u5c1d\u8bd5\u53d1\u9001\u4e00\u6761\u6d88\u606f\u7ed9MQ\uff0cMQ\u4f1a\u5f02\u6b65\u901a\u77e5\u8ba2\u9605\u8005\u8fdb\u884c\u5220\u9664\u91cd\u8bd5\u3002<\/p>\n\n\n\n<h2 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class=\"wp-block-heading\">redis\u6301\u4e45\u5316\u673a\u5236<\/h2>\n\n\n\n<h5 class=\"wp-block-heading\">RDB\u6301\u4e45\u5316<\/h5>\n\n\n\n<p>rdb\u6301\u4e45\u5316\u4f1a\u5b9a\u671f\u5c06\u5185\u5b58\u4e2d\u7684\u6570\u636e\u96c6\u5feb\u7167\u5199\u5165\u78c1\u76d8\uff0c\u6bcf\u6b21\u90fd\u662f\u4eceredis\u4e2d\u751f\u6210\u4e00\u4e2a\u5feb\u7167\u8fdb\u884c\u6570\u636e\u7684\u5168\u91cf\u5907\u4efd\u3002<\/p>\n\n\n\n<p>\u6d41\u7a0b\uff1ardb\u6301\u4e45\u5316\u65b9\u6848\u8fdb\u884c\u5907\u4efd\u65f6\uff0credis\u4f1a\u5355\u72ecfork\u4e00\u4e2a\u7d2b\u7981\u57ce\u6765\u8fdb\u884c\u6301\u4e45\u5316\uff0c\u4f1a\u5c06\u6570\u636e\u5199\u5165\u4e00\u4e2a\u4e34\u65f6\u6587\u4ef6\u4e2d\uff0c\u6301\u4e45\u5316\u5b8c\u6210\u540e\u7528\u6765\u66ff\u6362\u65e7\u7684RDB\u6587\u4ef6\u3002\u6574\u4e2a\u6301\u4e45\u5316\u8fc7\u7a0b\u4e2d\uff0c\u4e3b\u8fdb\u7a0b\u4e0d\u53c2\u4e0eIO\u64cd\u4f5c\uff0c\u8fd9\u6837\u80fd\u786e\u4fddRedis\u670d\u52a1\u7684\u9ad8\u6027\u80fd\uff0cRDB\u6301\u4e45\u5316\u673a\u5236\u9002\u5408\u5bf9\u6570\u636e\u5b8c\u6574\u6027\u8981\u6c42\u4e0d\u9ad8\u4f46\u8ffd\u6c42\u9ad8\u6821\u56de\u590d\u7684\u573a\u666f\u3002<\/p>\n\n\n\n<p>\u4f18\u70b9\uff1a<\/p>\n\n\n\n<p>\u6062\u590d\u6570\u636e\u6548\u7387\u9ad8\uff1aRDB\u6301\u4e45\u5316\u662f\u901a\u8fc7\u751f\u6210\u4e00\u4e2a\u5feb\u7167\u6587\u4ef6\u6765\u4fdd\u5b58\u6570\u636e\uff0c\u56e0\u6b64\u6570\u636e\u6062\u590d\u901f\u5ea6\u975e\u5e38\u5feb\u3002<\/p>\n\n\n\n<p>\u8d44\u6e90\u5360\u7528\u5c0f\uff1aRDB\u6587\u4ef6\u662f\u4e8c\u8fdb\u5236\u683c\u5f0f\u7684\u6570\u636e\u5e93\u6587\u4ef6\uff0c\u76f8\u5bf9AOF\u6587\u4ef6\u6765\u8bf4\uff0c\u6587\u4ef6\u4f53\u79ef\u8f83\u5c0f\u3002<\/p>\n\n\n\n<p>\u7f3a\u70b9\uff1a\u610f\u5916\u5b95\u673a\u65f6\uff0c\u4e0a\u6b21\u5feb\u7167\u4e4b\u524d\u7684\u6570\u636e\u90fd\u4f1a\u4e22\u5931\u3002<\/p>\n\n\n\n<h5 class=\"wp-block-heading\">AOF\u6301\u4e45\u5316<\/h5>\n\n\n\n<p>AOF\u6301\u4e45\u5316\u4f1a\u5c06\u5ba2\u6237\u7aef\u6240\u6709\u5199\u547d\u4ee4\u8ffd\u52a0\u5230AOF\u7f13\u51b2\u533a\u4e2d\uff0c\u7f13\u51b2\u533a\u4e2d\u7684\u6570\u636e\u4f1a\u6839\u636eRedis\u914d\u7f6e\u6587\u4ef6\u4e2d\u914d\u7f6e\u7684\u540c\u6b65\u7b56\u7565\u6765\u540c\u6b65\u5230\u78c1\u76d8\u4e0a\u7684APOF\u6587\u4ef6\u4e2d\uff0c\u540c\u65f6\u5f53AOF\u6587\u4ef6\u8fbe\u5230\u91cd\u65b0\u7b56\u7565\u7684\u9608\u503c\u65f6\uff0cRedis\u4f1a\u5bf9AOF\u65e5\u5fd7\u6587\u4ef6\u8fdb\u884c\u91cd\u5199\uff0c\u7ed9\u6587\u4ef6\u7626\u8eab\u3002Redis\u670d\u52a1\u91cd\u542f\u65f6\uff0c\u4f1a\u901a\u8fc7\u52a0\u8f7dAOF\u65e5\u5fd7\u6587\u4ef6\u6765\u6062\u590d\u6570\u636e\u3002<\/p>\n\n\n\n<p>\u4f18\u70b9\uff1a<\/p>\n\n\n\n<p>\u53ef\u9760\u6027\uff1aAOF\u6301\u4e45\u5316\u8bb0\u5f55\u4e86\u6bcf\u4e2a\u5199\u6307\u4ee4\u64cd\u4f5c\uff0c\u56e0\u6b64\u5728\u51fa\u73b0\u6545\u969c\u65f6\uff0c\u53ef\u4ee5\u901a\u8fc7\u91cd\u65b0\u6267\u884cAOF\u6587\u4ef6\u6765\u4fdd\u8bc1\u6570\u636e\u7684\u5b8c\u6574\u6027\u3002<\/p>\n\n\n\n<p>\u4fdd\u7559\u5199\u547d\u4ee4\u5386\u53f2\uff1aAOF\u6587\u4ef6\u662f\u4e00\u4e2a\u8ffd\u52a0\u65e5\u5fd7\u6587\u4ef6\uff0c\u53ef\u4ee5\u7528\u4e8e\u56de\u8bbf\u8fc7\u53bb\u7684\u5199\u64cd\u4f5c\u3002<\/p>\n\n\n\n<p>\u7f3a\u70b9\uff1a<\/p>\n\n\n\n<p>\u6587\u4ef6\u8f83\u5927\uff1a\u7531\u4e8e\u8bb0\u5f55\u4e86\u6240\u6709\u7684\u5199\u6307\u4ee4\uff0c\u6240\u4ee5AOF\u6587\u4ef6\u4f53\u79ef\u901a\u5e38\u6bd4RDB\u6587\u4ef6\u8981\u5927<\/p>\n\n\n\n<p>\u6062\u590d\u901f\u5ea6\u6ee1\uff1a\u5f53\u9700\u8981\u901a\u8fc7AOF\u6587\u4ef6\u8fdb\u884c\u6570\u636e\u6062\u590d\u65f6\uff0c\u9700\u8981\u6267\u884c\u6574\u4e2aAOF\u6587\u4ef6\u6307\u4ee4\uff0c\u6062\u590d\u901f\u5ea6\u8f83\u6162<\/p>\n\n\n\n<h5 class=\"wp-block-heading\">\u6df7\u5408\u6301\u4e45\u5316<\/h5>\n\n\n\n<p>\u5728AOF\u91cd\u5199\u4e4b\u524d\uff0cRDB\u548cAOF\u90fd\u662f\u6309\u7167\u4ed6\u4eec\u5404\u81ea\u7684\u6301\u4e45\u5316\u7b56\u7565\u5de5\u4f5c\u7684\u3002\u5f53AOF\u91cd\u5199\u88ab\u89e6\u53d1\u65f6\uff0c\u6df7\u5408\u6301\u4e45\u5316\u624d\u5f00\u59cb\u53d1\u6325\u4f5c\u7528\uff1a\u5c06\u5f53\u524d\u7684\u6570\u636e\u96c6\u4ee5RDB\u683c\u5f0f\u5199\u5165\u65b0AOF\u6587\u4ef6\u7684\u9876\u90e8\uff0c\u7136\u540e\u8ffd\u52a0\u65b0\u7684\u547d\u4ee4\u5230\u6587\u4ef6\u7684\u672b\u5c3e\u3002<\/p>\n\n\n\n<p>\u4f18\u70b9\uff1a\u7ed3\u5408\u4e86RDB\u6301\u4e45\u5316\u548cAOF\u6301\u4e45\u5316\u7684\u4f18\u70b9\uff0c\u65e2\u80fd\u5feb\u901f\u6062\u590d\u6570\u636e\uff0c\u53c8\u80fd\u4fdd\u8bc1\u8fd1\u671f\u7684\u5927\u90e8\u5206\u6570\u636e\u4fee\u6539\u4e0d\u4f1a\u4e22\u5931\uff0c\u6301\u4e45\u5316\u6587\u4ef6\u7684\u5927\u5c0f\u4e5f\u5f97\u5230\u4e86\u63a7\u5236\u3002<\/p>\n\n\n\n<h2 class=\"wp-block-heading\">Redis\u4e2d\u7684\u5927Key<\/h2>\n\n\n\n<p>Redis\u6ca1\u6709\u663e\u793a\u5b9a\u4e49\u5927Key\uff0c\u5b83\u4e00\u822c\u7528\u6765\u63cf\u8ff0\u5728\u5b58\u50a8\u548c\u6027\u80fd\u4e0a\u53ef\u80fd\u5e26\u6765\u95ee\u9898\u7684\u952e\uff0c\u901a\u5e38\u6307\u4ee3\u5360\u7528\u5927\u91cf\u5185\u5b58\u7a7a\u95f4\u7684\u952e\uff0c\u4f8b\u5982\u5927\u578b\u5b57\u7b26\u4e32\u3001\u5217\u8868\u3001\u54c8\u5e0c\u8868\u6216\u96c6\u5408\u3002<\/p>\n\n\n\n<p>\u5178\u578b\u7684\u5927KEY\u573a\u666f\uff1a<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li>Key\u672c\u8eab\u7684\u6570\u636e\u91cf\u8fc7\u5927\uff1a\u4e00\u4e2aString\u7c7b\u578b\u7684Key\u5927\u5c0f\u4e3a5MB<\/li>\n\n\n\n<li>Key\u4e2d\u7684\u6210\u5458\u6570\u8fc7\u591a\uff1aZSET\u7c7b\u578b\u4e2d\u67d0\u4e2aKey\u7684\u6210\u5458\u6570\u91cf\u9ad8\u8fbe1W\u4e2a<\/li>\n\n\n\n<li>Key\u4e2d\u6210\u5458\u7684\u6570\u91cf\u8fc7\u5927\uff1aHash\u7c7b\u578b\u4e2d\u67d0\u4e2aKey\u6210\u5458\u6570\u91cf\u867d\u7136\u53ea\u67091K\uff0c\u4f46\u662f\u6210\u5458\u7684Value\u603b\u5927\u5c0f\u6709100MB<\/li>\n<\/ul>\n\n\n\n<h5 class=\"wp-block-heading\">\u5927key\u5f15\u53d1\u7684\u95ee\u9898<\/h5>\n\n\n\n<ul class=\"wp-block-list\">\n<li>\u5185\u5b58\u5360\u7528\u8fc7\u9ad8\u3002\u5927key\u5360\u7528\u5927\u91cf\u5185\u5b58\u7a7a\u95f4\uff0c\u53ef\u80fd\u5bfc\u81f4Redis\u5b9e\u4f8b\u5185\u5b58\u4e0d\u8db3\uff0c\u5f71\u54cd\u5176\u4ed6\u952e\u7684\u5b58\u50a8\u548c\u8bbf\u95ee\u3002<\/li>\n\n\n\n<li>\u6027\u80fd\u4e0b\u964d\u3002\u5bf9\u4e8e\u5927key\u7684\u64cd\u4f5c\uff0c\u5982\u8bfb\u53d6\u3001\u5199\u5165\u3001\u5220\u9664\u7b49\uff0c\u90fd\u4f1a\u6d88\u8017\u66f4\u591a\u7684cpu\u65f6\u95f4\u548c\u5185\u5b58\u8d44\u6e90\uff0c\u8fdb\u4e00\u6b65\u964d\u4f4e\u7cfb\u7edf\u6027\u80fd\u3002<\/li>\n\n\n\n<li>\u963b\u585e\u5176\u4ed6\u64cd\u4f5c\u3002\u67d0\u4e9b\u5bf9\u5927key\u7684\u64cd\u4f5c\u53ef\u80fd\u4f1a\u5bfc\u81f4redis\u5b9e\u4f8b\u963b\u585e\u3002\u4f8b\u5982\uff0c\u4f7f\u7528DEL\u547d\u4ee4\u5220\u9664\u4e00\u4e2a\u5927key\u65f6\uff0c\u53ef\u80fd\u4f1a\u5bfc\u81f4redis\u5b9e\u4f8b\u5728\u4e00\u6bb5\u65f6\u95f4\u5185\u65e0\u6cd5\u54cd\u5e94\u5176\u4ed6\u5ba2\u6237\u7aef\u8bf7\u6c42\uff0c\u4ece\u800c \u5f71\u54cd\u7cfb\u7edf\u7684\u54cd\u5e94\u65f6\u95f4\u548c\u541e\u5410\u91cf\u3002<\/li>\n\n\n\n<li>\u7f51\u7edc\u62e5\u585e\u3002\u6bcf\u6b21\u83b7\u53d6\u5927key\u4ea7\u751f\u7684\u7f51\u7edc\u6d41\u91cf\u8f83\u5927\uff0c\u53ef\u80fd\u9020\u6210\u673a\u5668\u6216\u5c40\u57df\u7f51\u7684\u5e26\u5bbd\u88ab\u6253\u6ee1\uff0c\u540c\u65f6\u6ce2\u53ca\u5176\u4ed6\u670d\u52a1\u3002\u4f8b\u5982\uff1a\u4e00\u4e2a\u5927key\u5360\u7528\u7a7a\u95f4\u662f1MB\uff0c\u6bcf\u79d2\u8bbf\u95ee1000\u6b21\uff0c\u5c31\u67091000MB\u7684\u6d41\u91cf\u3002<\/li>\n\n\n\n<li>\u6301\u4e45\u5316\u95ee\u9898\u3002\u5bf9\u5927key\u60ca\u9192\u6301\u4e45\u5316\u53ef\u80fd\u4f1a\u5bfc\u81f4\u5907\u4efd\u548c\u6062\u590d\u64cd\u4f5c\u53d8\u5f97\u56f0\u96be\u548c\u8017\u65f6\u3002<\/li>\n\n\n\n<li>\u6570\u636e\u503e\u659c\u3002\u5728redis\u96c6\u7fa4\u4e2d\uff0c\u5927key\u53ef\u80fd\u5bfc\u81f4\u6570\u636e\u5728\u8282\u70b9\u4e4b\u95f4\u4e0d\u5747\u5300\u5206\u5e03\uff0c\u5f71\u54cd\u8d1f\u8f7d\u5747\u8861\u548c\u96c6\u7fa4\u6027\u80fd\u3002<\/li>\n<\/ul>\n\n\n\n<h5 class=\"wp-block-heading\">\u5927key\u4ea7\u751f\u7684\u539f\u56e0<\/h5>\n\n\n\n<ul class=\"wp-block-list\">\n<li>\u5927\u578b\u6570\u636e\u7ed3\u6784\u5b58\u50a8\u3002\u5b58\u50a8\u5927\u578b\u5b57\u7b26\u4e32\u3001\u5217\u8868\u3001\u54c8\u5e0c\u8868\u6216\u96c6\u5408\u65f6\uff0c\u5982\u679c\u8fd9\u4e9b\u6570\u636e\u7ed3\u6784\u7684\u5927\u5c0f\u8d85\u8fc7\u4e86\u4e00\u5b9a\u9608\u503c\uff0c\u5c31\u4f1a\u4ea7\u751f\u5927key\u3002<\/li>\n\n\n\n<li>\u7f13\u5b58\u6ee5\u7528\u3002\u5c06\u5927\u91cf\u6570\u636e\u4f5c\u4e3a\u5355\u4e2a\u952e\u7684\u503c\u8fdb\u884c\u7f13\u5b58\uff0c\u800c\u4e0d\u662f\u6309\u9700\u8fdb\u884c\u5206\u89e3\u6216\u5206\u5272\uff0c\u5bfc\u81f4\u67d0\u4e9b\u952e\u53d8\u5f97\u7279\u522b\u5927\u3002<\/li>\n\n\n\n<li>\u6570\u636e\u5bfc\u5165\u3002\u4ece\u5916\u90e8\u6570\u636e\u6e90\u5bfc\u5165\u6570\u636e\u65f6\uff0c\u5982\u679c\u6570\u636e\u91cf\u8f83\u5927\u4e14\u4ee5\u5355\u4e2a\u952e\u5b58\u50a8\uff0c\u53ef\u80fd\u56de\u5230\u5bfc\u81f4\u751f\u6210\u5927key\u3002<\/li>\n\n\n\n<li>\u5e94\u7528\u8bbe\u8ba1\u4e0d\u4f73\u3002\u5e94\u7528\u7a0b\u5e8f\u8bbe\u8ba1\u4e2d\u672a\u8003\u8651\u5230redis\u952e\u7684\u5927\u5c0f\u9650\u5236\uff0c\u6216\u6ca1\u6709\u6709\u6548\u5730\u5904\u7406\u5927\u578b\u6570\u636e\u7684\u60c5\u51b5\uff0c\u5bfc\u81f4\u4ea7\u751f\u5927key\u3002<\/li>\n\n\n\n<li>\u6570\u636e\u79ef\u7d2f\u3002\u968f\u7740\u65f6\u95f4\u7684\u63a8\u79fb\uff0c\u67d0\u4e9b\u952e\u53ef\u80fd\u4f1a\u4e0d\u65ad\u79ef\u7d2f\u6570\u636e\uff0c\u5bfc\u81f4\u5176\u5927\u5c0f\u8d85\u51fa\u9884\u671f\uff0c\u4ece\u800c\u6210\u4e3a\u5927key\u3002<\/li>\n<\/ul>\n\n\n\n<h5 class=\"wp-block-heading\">\u5982\u4f55\u5feb\u901f\u627e\u51fa\u5927key<\/h5>\n\n\n\n<ul class=\"wp-block-list\">\n<li>SCAN\u547d\u4ee4\u3002\u901a\u8fc7\u4f7f\u7528reids\u7684scan\u547d\u4ee4\uff0c\u6211\u4eec\u53ef\u4ee5\u9010\u6b65\u904d\u5386\u6570\u636e\u5e93\u4e2d\u7684\u6240\u6709key\u3002\u7ed3\u5408\u5176\u4ed6\u547d\u4ee4\u8bc6\u522b\u51fa\u5927key\uff08\u5982STRLEN\u3001LLEN\u3001SCARD\u3001HLEN\u7b49\uff09\u3002scan\u547d\u4ee4\u7684\u4f18\u52bf\u5728\u4e8e\u5b83\u53ef\u4ee5\u5728\u4e0d\u963b\u585eredis\u5b9e\u4f8b\u7684\u60c5\u51b5\u4e0b\u8fdb\u884c\u904d\u5386\u3002<\/li>\n\n\n\n<li>bigkeys\u53c2\u6570\u3002\u4f7f\u7528redis-cli\u547d\u4ee4\u884c\u5ba2\u6237\u7aef\uff0c\u8fde\u63a5redis\u670d\u52a1\u65f6\uff0c\u52a0\u4e0a&#8211;bigkeys\u53c2\u6570\uff0c\u53ef\u4ee5\u626b\u63cf\u6bcf\u79cd\u6570\u636e\u7c7b\u578b\u4e2d\u6700\u5927\u7684key<\/li>\n\n\n\n<li>redis rdb tools\u5de5\u5177\u3002redis insight\u4f1a\u7ed9\u51fa\u5206\u6790\u62a5\u544a\uff0c\u6253\u5370\u51fa\u6210\u5458\u957f\u5ea6\u548c\u6570\u91cf\u524dn\u7684key\u3002<\/li>\n<\/ul>\n\n\n\n<h5 class=\"wp-block-heading\">\u5927key\u7684\u4f18\u5316\u65b9\u6848<\/h5>\n\n\n\n<ul class=\"wp-block-list\">\n<li>\u62c6\u5206\u6210\u591a\u4e2a\u5c0fkey\u3002\u964d\u4f4e\u5355key\u7684\u5927\u5c0f\uff0c\u8bfb\u53d6\u53ef\u4ee5\u7528mget\u6279\u91cf\u8bfb\u53d6\u3002<\/li>\n\n\n\n<li>\u4f18\u5316\u6570\u636e\u7ed3\u6784\u3002\u4f7f\u7528String\u7c7b\u578b\u7684\u65f6\u5019\uff0c\u4f7f\u7528\u538b\u7f29\u7b97\u6cd5\u51cf\u5c11value\u5927\u5c0f\u3002\u6216\u8005\u662f\u4f7f\u7528hash\u7c7b\u578b\u5b58\u50a8\uff0c\u56e0\u4e3ahash\u7c7b\u578b\u5e95\u5c42\u4f7f\u7528\u4e86\u538b\u7f29\u5217\u8868\u6570\u636e\u7ed3\u6784\u3002<\/li>\n\n\n\n<li>\u8bbe\u7f6e\u5408\u7406\u7684\u8fc7\u671f\u65f6\u95f4\u3002\u4e3a\u6bcf\u4e2akey\u8bbe\u7f6e\u5408\u7406\u7684\u8fc7\u671f\u65f6\u95f4\uff0c\u4ee5\u4fbf\u5728\u6570\u636e\u5931\u6548\u540e\u81ea\u52a8\u6e05\u7406\uff0c\u907f\u514d\u957f\u65f6\u95f4\u79ef\u7d2f\u6210\u5927key\u3002<\/li>\n\n\n\n<li>\u542f\u7528\u5185\u5b58\u6dd8\u6c70\u7b56\u7565\u3002\u542f\u7528redis\u7684\u5185\u5b58\u6dd8\u6c70\u7b56\u7565\uff0c\u4f8b\u5982LRU\uff0c\u4ee5\u4fbf\u5728\u5185\u5b58\u4e0d\u8db3\u65f6\u81ea\u52a8\u6dd8\u6c70\u6700\u8fd1\u6700\u5c11\u4f7f\u7528\u7684\u6570\u636e\uff0c\u9632\u6b62\u5927ke\u957f\u65f6\u95f4\u5360\u7528\u5185\u5b58\u3002<\/li>\n\n\n\n<li>\u6570\u636e\u5206\u7247\u3002\u4f8b\u5982\u4f7f\u7528redis cluster\u5c06\u6570\u636e\u5206\u6563\u5230\u591a\u4e2aredis\u5b9e\u4f8b\uff0c\u4ee5\u51cf\u8f7b\u5355\u4e2a\u5b9e\u4f8b\u7684\u8d1f\u62c5\uff0c\u964d\u4f4e\u5927key\u95ee\u9898\u7684\u98ce\u9669\u3002<\/li>\n\n\n\n<li>\u5220\u9664\u5927key\u3002\u5f53\u5927key\u4e0d\u518d\u4f7f\u7528\u65f6\uff0c\u4f7f\u7528unlink\u800c\u4e0d\u662fdel\u547d\u4ee4\u5220\u9664\u5927key\uff0c\u56e0\u4e3aunlink\u547d\u4ee4\u65f6del\u547d\u4ee4\u7684\u5f02\u6b65\u7248\u672c\uff0c\u907f\u514d\u963b\u585eredis\u5b9e\u4f8b\u3002<\/li>\n\n\n\n<li>\u589e\u52a0\u5185\u5b58\u5bb9\u91cf\u3002\u5982\u679c\u7ecf\u8fc7\u4ee5\u4e0a\u4f18\u5316\u4ecd\u65e0\u6cd5\u89e3\u51b3\u5927key\u5bfc\u81f4\u7684\u5185\u5b58\u95ee\u9898\uff0c\u53ef\u4ee5\u8003\u8651\u589e\u52a0redis\u5b9e\u4f8b\u7684\u5185\u5b58\u5bb9\u91cf\uff0c\u63d0\u5347\u6574\u4f53\u6027\u80fd\u548c\u7a33\u5b9a\u6027\u3002<\/li>\n<\/ul>\n\n\n\n<h2 class=\"wp-block-heading\">redis\u5bf9\u4e8ememcached\u6709\u54ea\u4e9b\u4f18\u52bf<\/h2>\n\n\n\n<ul class=\"wp-block-list\">\n<li>\u6570\u636e\u7c7b\u578b\u66f4\u4e30\u5bcc\u3002memcached\u4ec5\u652f\u6301value\u4e3astring\u7c7b\u578b\uff0c\u800credis\u652f\u6301string\u3001hash\u3001list\u3001set\u3001sort set\u7b49\uff0c\u591a\u4ee5redis\u5b58\u50a8\u6570\u636e\u66f4\u7075\u6d3b\uff0c\u66f4\u9002\u7528\u4e8e\u590d\u6742\u7c7b\u578b\u64cd\u4f5c\u3002<\/li>\n\n\n\n<li>\u6570\u636e\u5bb9\u91cf\u66f4\u5927\u3002memcached\u5355value\u5bb9\u91cf\u53ea\u67091M\uff0c\u800credis\u5219\u6700\u5927\u652f\u6301512M\u3002<\/li>\n\n\n\n<li>redis\u652f\u6301\u6570\u636e\u6301\u4e45\u5316\u3002memcached\u53ea\u80fd\u4f5c\u4e3a\u7f13\u5b58\uff0c\u6ca1\u6709\u53ef\u9760\u6027\u652f\u6301\uff0c\u65ad\u7535\u6216\u670d\u52a1\u5173\u95ed\u540e\u6570\u636e\u5c31\u4f1a\u4e22\u5931\uff0c\u800credis\u652f\u6301\u6570\u636e\u6301\u4e45\u5316\uff0c\u4e14\u5728\u7a81\u53d1\u60c5\u51b5\u4e0b\u80fd\u6700\u5927\u9650\u5ea6\u4fdd\u8bc1\u6570\u636e\u4e0d\u4e22\u5931\u3002<\/li>\n\n\n\n<li>redis\u652f\u6301\u590d\u6570\u6307\u4ee4\u7684\u539f\u5b50\u6027\u64cd\u4f5c\u3002redis\u652f\u6301lua\u811a\u672c\uff0c\u80fd\u5b9e\u73b0\u590d\u6570\u6307\u4ee4\u7684\u539f\u5b50\u6027\u64cd\u4f5c\uff0c\u9762\u5bf9\u590d\u6742\u7684\u4e1a\u52a1\u573a\u666f\uff0c\u80fd\u4fdd\u8bc1\u64cd\u4f5c\u6570\u636e\u7684\u539f\u5b50\u6027\u9700\u6c42\u3002<\/li>\n<\/ul>\n\n\n\n<h2 class=\"wp-block-heading\">MySQL\u91cc\u67092000w\u6570\u636eredis\u4e2d\u53ea\u5b5820w\u7684\u6570\u636e\uff0c\u5982\u4f55\u4fdd\u8bc1redis\u4e2d\u7684\u6570\u636e\u90fd\u662f\u70ed\u70b9\u6570\u636e\uff1f<\/h2>\n\n\n\n<p>\u9996\u5148\u53ef\u4ee5\u770b\u5230redis\u7684\u7a7a\u95f4\u65f6\u95f4\u4e0a\u6bd4mysql\u5c11\u7684\u591a\uff0c\u90a3\u4e48redis\u5982\u4f55\u80fd\u591f\u7b5b\u9009\u51fa\u70ed\u70b9\u6570\u636e\uff0c\u8fd9\u9053\u9898\u4e3b\u8981\u8003\u5bdf\u7684\u65f6redis\u7684\u6570\u636e\u6dd8\u6c70\u7b56\u7565\uff0c\u5728redis4.0\u4e4b\u540e\u4e3a\u6211\u4eec\u63d0\u4f9b\u4e868\u79cd\u6dd8\u6c70\u7b56\u7565\uff0c\u4e3b\u8981\u662f\u65b0\u589e\u4e86LFU\u7b97\u6cd5\uff0c\u771f\u6b63\u610f\u4e49\u4e0a\u662f5\u4e2d\uff0c\u9488\u5bf9random\u3001LRU\u3001LFU\u662f\u63d0\u4f9b\u4e86\u4e24\u79cd\u4e0d\u540c\u6570\u636e\u8303\u56f4\u7684\u7b56\u7565\uff0c\u4e00\u79cd\u662f\u9488\u5bf9\u8bbe\u7f6e\u4e86\u8fc7\u671f\u65f6\u95f4\u7684\uff0c\u4e00\u79cd\u662f\u6ca1\u6709\u8bbe\u7f6e\u8fc7\u671f\u65f6\u95f4\u7684\u3002\u5177\u4f53\u7684\u4e94\u79cd\u7b56\u7565\u5206\u522b\u662f\uff1a<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li>noeviction\u9009\u62e9\u8fd9\u79cd\u7b56\u7565\u5219\u4ee3\u8868\u4e0d\u8fdb\u884c\u6570\u636e\u6dd8\u6c70\uff0c\u540c\u65f6\u5b83\u4e5f\u662fredis\u4e2d\u9ed8\u8ba4\u7684\u6dd8\u6c70\u7b56\u7565\uff0c\u5f53\u7f13\u5b58\u5199\u6ee1\u65f6redis\u5c31\u4e0d\u518d\u63d0\u4f9b\u5199\u670d\u52a1\u4e86\uff0c\u5199\u8bf7\u6c42\u5219\u76f4\u63a5\u8fd4\u56de\u5931\u8d25\u3002<\/li>\n\n\n\n<li>random\u968f\u673a\u7b56\u7565\u5206\u4e3a\u4e24\u79cd\u3002\u4e00\u79cd\u662fvolatile-random\uff0c\u8fd9\u79cd\u4ece\u8bbe\u7f6e\u4e86\u8fc7\u671f\u65f6\u95f4\u7684\u6570\u636e\u96c6\u4e2d\u968f\u673a\u8fdb\u884c\u6dd8\u6c70\u3002\u53e6\u5916\u4e00\u79cd\u662fallkeys-random\uff0c\u8fd9\u79cd\u662f\u4ece\u6240\u6709\u6570\u636e\u96c6\u4e2d\u8fdb\u884c\u968f\u5373\u6dd8\u6c70\u3002<\/li>\n\n\n\n<li>volatile-ttl\u65f6\u9488\u5bf9\u8bbe\u7f6e\u4e86\u8fc7\u671f\u65f6\u95f4\u7684\u6570\u636e\u96c6\uff0c\u5e76\u6309\u8fc7\u671f\u65f6\u95f4\u7684\u5148\u540e\u987a\u5e8f\u8fdb\u884c\u5220\u9664\uff0c\u8d8a\u65e9\u8fc7\u671f\u7684\u8d8a\u5148\u88ab\u5220\u9664\u3002<\/li>\n\n\n\n<li>LRU\u7b56\u7565\u4e5f\u5206\u4e86\u4e24\u79cd\u3002\u4e00\u79cd\u662fvolatile-lru\uff0c\u4ece\u8bbe\u7f6e\u4e86\u8fc7\u671f\u65f6\u95f4\u7684\u6570\u636e\u96c6\u4e2d\u57fa\u4e8e\u6700\u8fd1\u6700\u5c11\u4f7f\u7528\u7b97\u6cd5\u8fdb\u884c\u6dd8\u6c70\uff0c\u8fd9\u6837\u80fd\u4fdd\u8bc1\u672a\u8bbe\u7f6e\u8fc7\u671f\u65f6\u95f4\u7684\u6570\u636e\u4e0d\u4f1a\u88ab\u9009\u4e2d\u6dd8\u6c70\u3002\u53e6\u4e00\u79cd\u662fallkeys-lru\uff0c\u4ece\u5168\u4f53\u6570\u636e\u4e2d\uff0c\u57fa\u4e8e\u6700\u8fd1\u6700\u5c11\u4f7f\u7528\u7b97\u6cd5\u8fdb\u884c\u6dd8\u6c70\u3002\u4f7f\u7528\u573a\u666f\u5305\u62ec\uff1a\n<ul class=\"wp-block-list\">\n<li>\u6570\u636e\u5e93\u67e5\u8be2\u7f13\u5b58\u3002\u5bf9\u4e8e\u6570\u636e\u5e93\u67e5\u8be2\u7ed3\u679c\uff0cLRU\u53ef\u4ee5\u4fdd\u8bc1\u6700\u8fd1\u67e5\u8be2\u7684\u7ed3\u679c\u88ab\u4fdd\u7559\uff0c\u4ece\u800c\u63d0\u9ad8\u67e5\u8be2\u6548\u7387\u3002<\/li>\n\n\n\n<li>\u4f1a\u8bdd\u7ba1\u7406\uff1a\u5728web\u5e94\u7528\u4e2d\uff0c\u7528\u6237\u7684\u4f1a\u8bdd\u4fe1\u606f\u53ef\u4ee5\u901a\u8fc7LRU\u8fdb\u884c\u7ba1\u7406\uff0c\u786e\u4fdd\u6d3b\u8dc3\u7684\u4f1a\u8bdd\u88ab\u4fdd\u7559\u3002<\/li>\n\n\n\n<li>\u6e38\u620f\u6392\u884c\uff1a\u5728\u6e38\u620f\u5e94\u7528\u4e2d\uff0cLRU\u53ef\u4ee5\u4fdd\u7559\u73a9\u5bb6\u6700\u8fd1\u67e5\u770b\u7684\u6392\u884c\u699c\u6570\u636e\u3002<\/li>\n<\/ul>\n<\/li>\n\n\n\n<li>LFU\u5219\u662f\u9075\u5faa\u6570\u636e\u5728\u4e00\u6bb5\u65f6\u95f4\u88ab\u8bbf\u95ee\u7684\u6b21\u6570\u8d8a\u5c11\uff0c\u90a3\u4e48\u5728\u672a\u6765\u88ab\u8bbf\u95ee\u7684\u51e0\u7387\u5c31\u8d8a\u5c0f\u7684\u601d\u60f3\u6765\u6dd8\u6c70\u6570\u636e\uff0c\u540c\u6837\u5206\u4e3avolatile-lfu\u548callkeys-lfu\u4e24\u79cd\u3002LFU\u7b97\u6cd5\u9002\u5408\u5177\u6709\u957f\u5c3e\u6548\u5e94\u7684\u6570\u636e\u96c6\u3002<\/li>\n<\/ul>\n\n\n\n<h2 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