{"id":30836,"date":"2026-05-19T14:30:00","date_gmt":"2026-05-19T06:30:00","guid":{"rendered":"https:\/\/cn.hostease.com\/blog\/?p=30836"},"modified":"2026-05-17T07:30:11","modified_gmt":"2026-05-16T23:30:11","slug":"cache-penetration-breakdown-avalanche","status":"publish","type":"post","link":"https:\/\/cn.hostease.com\/blog\/server\/cache-penetration-breakdown-avalanche\/","title":{"rendered":"\u7f13\u5b58\u7a7f\u900f\u51fb\u7a7f\u96ea\u5d29\u4e09\u5927\u95ee\u9898\u4e0e\u4f01\u4e1a\u7ea7\u89e3\u51b3\u65b9\u6848"},"content":{"rendered":"<p><img decoding=\"async\" alt=\"\u7f13\u5b58\u7a7f\u900f\u51fb\u7a7f\u96ea\u5d29\u4e09\u5927\u95ee\u9898\u4e0e\u4f01\u4e1a\u7ea7\u89e3\u51b3\u65b9\u6848 \u5c01\u9762\u914d\u56fe\" src=\"https:\/\/cn.hostease.com\/blog\/wp-content\/uploads\/2026\/05\/cache-penetration-breakdown-avalanche-cover.webp\" \/><\/p>\n<p>\u672c\u6307\u5357\u6559\u4f60\u5982\u4f55\u7cfb\u7edf\u89e3\u51b3\u7f13\u5b58\u7a7f\u900f\u3001\u7f13\u5b58\u51fb\u7a7f\u4e0e\u7f13\u5b58\u96ea\u5d29\u8fd9\u4e09\u4e2a\u6700\u5e38\u89c1\u4e5f\u6700\u68d8\u624b\u7684 Redis \u9ad8\u5e76\u53d1\u95ee\u9898\u3002\u5f88\u591a\u56e2\u961f\u7b2c\u4e00\u6b21\u9047\u5230\u6570\u636e\u5e93\u88ab\u6253\u6302\uff0c\u6839\u56e0\u90fd\u4e0d\u662f\u6162 SQL\uff0c\u800c\u662f\u7f13\u5b58\u5c42\u5728\u67d0\u4e2a\u77ac\u95f4\u96c6\u4f53\u5931\u7075\uff1a\u8981\u4e48\u7528\u6237\u7528\u4e00\u4e2a\u4e0d\u5b58\u5728\u7684 ID \u4e0d\u505c\u67e5\u8be2\uff0c\u7f13\u5b58\u6321\u4e0d\u4f4f\u76f4\u63a5\u6253\u5230 MySQL\uff1b\u8981\u4e48\u4e00\u4e2a\u8d85\u70ed\u7684\u5546\u54c1\u952e\u521a\u521a\u8fc7\u671f\uff0c\u51e0\u4e07\u4e2a\u8bf7\u6c42\u540c\u65f6\u56de\u6e90\uff1b\u8981\u4e48\u8fd0\u7ef4\u56fe\u7701\u4e8b\u628a\u6240\u6709\u952e\u90fd\u8bbe\u6210\u540c\u4e00\u4e2a TTL\uff0c\u7ed3\u679c\u5230\u70b9\u4e00\u8d77\u5931\u6548\u3002\u8fd9\u4e09\u79cd\u573a\u666f\u5728\u82f1\u6587\u91cc\u5206\u522b\u53eb cache penetration\u3001cache breakdown \u548c cache avalanche\uff0c\u56fd\u5185\u5e38\u5408\u5e76\u79f0\u4e3a\u7f13\u5b58\u4e09\u5251\u5ba2\u3002\u4e0b\u9762\u8fd9\u4efd\u6307\u5357\u5e2e\u52a9\u4f60\u628a\u6bcf\u4e00\u79cd\u95ee\u9898\u62c6\u5f00\u6765\u770b\uff0c\u641e\u6e05\u695a\u5b83\u4eec\u7684\u89e6\u53d1\u6761\u4ef6\u3001\u68c0\u6d4b\u65b9\u6cd5\u3001\u4ee5\u53ca\u751f\u4ea7\u73af\u5883\u91cc\u771f\u6b63\u80fd\u843d\u5730\u7684\u5e94\u5bf9\u7b56\u7565\uff0c\u5e76\u7ed9\u51fa Redis \u547d\u4ee4\u4e0e\u4ee3\u7801\u793a\u4f8b\u3002<\/p>\n<h2>\u4e09\u79cd\u95ee\u9898\u5230\u5e95\u6709\u4ec0\u4e48\u533a\u522b<\/h2>\n<p>\u5f88\u591a\u535a\u5ba2\u628a\u8fd9\u4e09\u4e2a\u540d\u8bcd\u6df7\u7740\u7528\uff0c\u4f46\u5b83\u4eec\u7684\u89e6\u53d1\u6761\u4ef6\u548c\u5e94\u5bf9\u65b9\u5f0f\u5176\u5b9e\u5dee\u522b\u5f88\u5927\u3002\u7b80\u5355\u68b3\u7406\u4e00\u4e0b\uff1a<\/p>\n<ul>\n<li>\u7f13\u5b58\u7a7f\u900f\uff1a\u67e5\u8be2\u4e00\u4e2a\u6839\u672c\u4e0d\u5b58\u5728\u7684\u6570\u636e\uff0c\u7f13\u5b58\u91cc\u6ca1\u6709\u3001\u6570\u636e\u5e93\u91cc\u4e5f\u6ca1\u6709\uff0c\u6bcf\u6b21\u90fd\u56de\u6e90\uff0c\u653b\u51fb\u8005\u6700\u7231\u7528<\/li>\n<li>\u7f13\u5b58\u51fb\u7a7f\uff1a\u4e00\u4e2a\u8d85\u70ed\u7684\u952e\u521a\u597d\u8fc7\u671f\uff0c\u5e76\u53d1\u8bf7\u6c42\u540c\u65f6\u6253\u5230\u6570\u636e\u5e93\uff0c\u5355\u70b9\u538b\u529b\u7a81\u7136\u98d9\u5347<\/li>\n<li>\u7f13\u5b58\u96ea\u5d29\uff1a\u5927\u91cf\u952e\u5728\u540c\u4e00\u65f6\u95f4\u96c6\u4f53\u8fc7\u671f\uff0c\u6216\u8005 Redis \u5b9e\u4f8b\u6574\u4f53\u5b95\u673a\uff0c\u6570\u636e\u5e93\u77ac\u95f4\u88ab\u6253\u6b7b<\/li>\n<li>\u4e09\u8005\u7684\u5171\u540c\u70b9\u662f\u7f13\u5b58\u5c42\u5931\u53bb\u4e86\u6321\u5899\u4f5c\u7528\uff0c\u5dee\u5f02\u5728\u4e8e\u5931\u6548\u7684\u662f\u5355\u70b9\u3001\u70ed\u70b9\u8fd8\u662f\u5168\u5c40<\/li>\n<\/ul>\n<p>\u5982\u679c\u4f60\u53ea\u7528\u4e00\u79cd\u65b9\u6848\u5bf9\u4ed8\u6240\u6709\u573a\u666f\uff0c\u591a\u534a\u4f1a\u987e\u6b64\u5931\u5f7c\u3002\u6bd4\u5982\u5e03\u9686\u8fc7\u6ee4\u5668\u80fd\u6321\u7a7f\u900f\u4f46\u6551\u4e0d\u4e86\u51fb\u7a7f\uff0c\u4e92\u65a5\u9501\u80fd\u625b\u51fb\u7a7f\u4f46\u89e3\u51b3\u4e0d\u4e86\u96ea\u5d29\u3002\u4e0b\u9762\u5206\u522b\u770b\u3002<\/p>\n<h2>\u7f13\u5b58\u7a7f\u900f\uff1a\u7528\u5e03\u9686\u8fc7\u6ee4\u5668\u628a\u4e0d\u5b58\u5728\u7684\u8bf7\u6c42\u6321\u5728\u95e8\u5916<\/h2>\n<p>\u7f13\u5b58\u7a7f\u900f\u7684\u5178\u578b\u573a\u666f\u662f\u6076\u610f\u5237\u63a5\u53e3\uff1a\u653b\u51fb\u8005\u6784\u9020\u4e00\u5806\u4e0d\u5b58\u5728\u7684\u7528\u6237 ID \u6216\u5546\u54c1 ID\uff0c\u8bf7\u6c42 <code>\/api\/user\/-1<\/code>\u3001<code>\/api\/user\/-2<\/code>\uff0c\u7f13\u5b58\u67e5\u4e0d\u5230\u3001\u6570\u636e\u5e93\u4e5f\u67e5\u4e0d\u5230\uff0c\u6bcf\u6b21\u90fd\u767d\u767d\u56de\u6e90\u4e00\u6b21\u3002<\/p>\n<p>\u6700\u6734\u7d20\u7684\u65b9\u6848\u662f\u628a\u7a7a\u503c\u4e5f\u7f13\u5b58\u8d77\u6765\u3002\u67e5\u5230 <code>null<\/code> \u65f6\u5199\u5165\u4e00\u4e2a\u7a7a\u5bf9\u8c61\uff0cTTL \u8bbe\u77ed\u4e00\u70b9\uff08\u6bd4\u5982 60 \u79d2\uff09\uff0c\u4e0b\u6b21\u540c\u6837\u7684 key \u5c31\u80fd\u547d\u4e2d\u7f13\u5b58\u3002\u8fd9\u4e2a\u529e\u6cd5\u7b80\u5355\u7c97\u66b4\uff0c\u7f3a\u70b9\u662f key \u7a7a\u95f4\u65e0\u9650\u5927\u65f6\u5185\u5b58\u4f1a\u88ab\u5403\u6389\u3002<\/p>\n<p>\u66f4\u5de5\u7a0b\u5316\u7684\u505a\u6cd5\u662f\u7528\u5e03\u9686\u8fc7\u6ee4\u5668\uff08Bloom Filter\uff09\u505a\u524d\u7f6e\u62e6\u622a\u3002Redis 4.0 \u4e4b\u540e\u6709 RedisBloom \u6a21\u5757\uff0c\u53ef\u4ee5\u76f4\u63a5\u7528\uff1a<\/p>\n<pre><code>BF.RESERVE user_filter 0.01 1000000\nBF.ADD user_filter 10001\nBF.EXISTS user_filter -1\n<\/code><\/pre>\n<p>\u628a\u5168\u90e8\u5408\u6cd5 ID \u5728\u7cfb\u7edf\u542f\u52a8\u65f6\u704c\u8fdb\u53bb\uff0c\u6bcf\u6b21\u67e5\u8be2\u524d\u5148 <code>BF.EXISTS<\/code>\uff0c\u4e0d\u5b58\u5728\u76f4\u63a5\u8fd4\u56de\u3002\u8bef\u5224\u7387 1% \u5b8c\u5168\u53ef\u4ee5\u63a5\u53d7\uff0c\u56e0\u4e3a\u8bef\u5224\u53ea\u4f1a\u653e\u4e00\u4e2a\u672c\u6765\u5408\u6cd5\u7684\u8bf7\u6c42\u8fdb\u6765\uff0c\u4e0d\u4f1a\u9020\u6210\u7a7f\u900f\u3002\u4e00\u767e\u4e07\u4e2a ID \u5927\u6982\u53ea\u9700\u8981 1.2 MB \u5185\u5b58\u3002\u5982\u679c\u4f60\u7684 Redis \u7248\u672c\u4e0d\u5e26 RedisBloom\uff0c\u7528 Guava \u7684 BloomFilter \u5728\u5e94\u7528\u672c\u5730\u5b58\u4e00\u4efd\u4e5f\u80fd\u7528\u3002<\/p>\n<h2>\u7f13\u5b58\u51fb\u7a7f\uff1a\u4e92\u65a5\u9501\u4e0e\u903b\u8f91\u8fc7\u671f\u662f\u4e24\u6761\u4e3b\u8def<\/h2>\n<p>\u51fb\u7a7f\u573a\u666f\u91cc\uff0c\u95ee\u9898\u952e\u662f\u771f\u5b9e\u5b58\u5728\u7684\uff0c\u53ea\u662f\u6070\u597d\u5728\u67d0\u4e00\u77ac\u95f4\u8fc7\u671f\u3002\u6bd4\u5982\u4e00\u4e2a PV \u5343\u4e07\u7ea7\u7684\u5546\u54c1\u8be6\u60c5\u9875\uff0c\u7f13\u5b58\u8fc7\u671f\u90a3 100 \u6beb\u79d2\u91cc\u5982\u679c\u6709\u4e24\u4e07\u4e2a\u8bf7\u6c42\uff0c\u4e24\u4e07\u4e2a\u7ebf\u7a0b\u4f1a\u540c\u65f6\u56de\u6e90\u67e5\u8be2\uff0c\u6570\u636e\u5e93\u8fde\u63a5\u6c60\u77ac\u95f4\u88ab\u5360\u6ee1\u3002<\/p>\n<p>\u7b2c\u4e00\u6761\u4e3b\u8def\u662f\u4e92\u65a5\u9501\u3002\u56de\u6e90\u524d\u7528 <code>SET key value NX EX 10<\/code> \u62a2\u9501\uff0c\u62a2\u5230\u7684\u7ebf\u7a0b\u53bb\u67e5\u6570\u636e\u5e93\u5e76\u5199\u56de\u7f13\u5b58\uff0c\u6ca1\u62a2\u5230\u7684\u7ebf\u7a0b\u77ed\u6682\u7b49\u5f85\u540e\u91cd\u8bd5\u6216\u8bfb\u65e7\u503c\u3002Java \u91cc\u5982\u679c\u7528 Redisson\uff0c\u76f4\u63a5\u8c03 <code>RLock.tryLock<\/code> \u66f4\u7a33\uff1a<\/p>\n<pre><code class=\"language-java\">RLock lock = redisson.getLock(&quot;lock:product:&quot; + id);\nif (lock.tryLock(50, 5000, TimeUnit.MILLISECONDS)) {\n    try {\n        Product p = db.queryProduct(id);\n        cache.set(&quot;product:&quot; + id, p, 600);\n        return p;\n    } finally {\n        lock.unlock();\n    }\n}\n<\/code><\/pre>\n<p>\u7b2c\u4e8c\u6761\u4e3b\u8def\u662f\u903b\u8f91\u8fc7\u671f\uff0c\u4e5f\u53eb\u6c38\u4e0d\u8fc7\u671f\u3002\u7f13\u5b58\u91cc\u5b58\u7684\u5bf9\u8c61\u81ea\u5e26\u4e00\u4e2a <code>expireAt<\/code> \u5b57\u6bb5\uff0c\u952e\u672c\u8eab\u5728 Redis \u91cc\u4e0d\u8bbe TTL\u3002\u8bfb\u53d6\u65f6\u5148\u8fd4\u56de\u65e7\u503c\uff0c\u540e\u53f0\u5f02\u6b65\u68c0\u67e5\u662f\u5426\u5230\u671f\uff0c\u5230\u671f\u518d\u8d77\u4e00\u4e2a\u7ebf\u7a0b\u53bb\u5237\u65b0\u3002\u8fd9\u79cd\u65b9\u6848\u7684\u597d\u5904\u662f\u4ece\u6765\u4e0d\u4f1a\u51fa\u73b0\u771f\u7684\u672a\u547d\u4e2d\uff0c\u7f3a\u70b9\u662f\u4f1a\u8bfb\u5230\u77ed\u65f6\u95f4\u7684\u65e7\u6570\u636e\uff0c\u5bf9\u4e00\u81f4\u6027\u8981\u6c42\u4e25\u7684\u4e1a\u52a1\u4e0d\u80fd\u7528\u3002<\/p>\n<h2>\u7f13\u5b58\u96ea\u5d29\uff1a\u5206\u6563\u8fc7\u671f\u52a0\u591a\u7ea7\u515c\u5e95\u52a0\u9650\u6d41\u964d\u7ea7<\/h2>\n<p>\u96ea\u5d29\u662f\u89c4\u6a21\u6700\u5927\u3001\u5371\u5bb3\u6700\u6df1\u7684\u4e00\u79cd\u3002\u5e38\u89c1\u8bf1\u56e0\u6709\u4e24\u4e2a\uff1a\u8981\u4e48\u662f\u540c\u4e00\u6279\u6570\u636e\u5728\u540c\u4e00\u65f6\u95f4\u88ab\u5199\u5165\u7f13\u5b58\u4e14 TTL \u76f8\u540c\uff0c\u5230\u70b9\u4e00\u8d77\u6b7b\u6389\uff1b\u8981\u4e48\u662f Redis \u5355\u70b9\u5b95\u673a\u6216\u4e3b\u4ece\u5207\u6362\u5931\u8d25\uff0c\u6574\u4e2a\u7f13\u5b58\u5c42\u77ac\u95f4\u4e0d\u53ef\u7528\u3002<\/p>\n<p>\u9488\u5bf9 TTL \u540c\u6b65\u7684\u95ee\u9898\uff0c\u6700\u7b80\u5355\u7684\u529e\u6cd5\u662f\u7ed9\u6bcf\u4e2a\u952e\u7684\u8fc7\u671f\u65f6\u95f4\u52a0\u4e00\u4e2a\u968f\u673a\u6270\u52a8\uff1a\u57fa\u7840 TTL 1 \u5c0f\u65f6\uff0c\u518d\u53e0\u52a0 0 \u5230 300 \u79d2\u7684\u968f\u673a\u503c\u3002\u8fd9\u6837\u51e0\u4e07\u4e2a\u952e\u4e0d\u4f1a\u5728\u540c\u4e00\u79d2\u8fc7\u671f\uff0c\u56de\u6e90\u538b\u529b\u88ab\u644a\u5e73\u5230 5 \u5206\u949f\u4ee5\u5185\u3002\u4ee3\u7801\u5c42\u9762\u53ea\u8981\u4e00\u884c\uff1a<\/p>\n<pre><code class=\"language-python\">ttl = 3600 + random.randint(0, 300)\nr.setex(key, ttl, value)\n<\/code><\/pre>\n<p>\u9488\u5bf9 Redis \u4e0d\u53ef\u7528\u7684\u573a\u666f\uff0c\u5355\u9760\u6270\u52a8\u6551\u4e0d\u4e86\u3002\u8fd9\u65f6\u5019\u4f60\u9700\u8981\u7684\u662f\u591a\u7ea7\u515c\u5e95\u3002\u672c\u5730\u7f13\u5b58 Caffeine \u7559\u4e00\u4efd\u70ed\u70b9\u6570\u636e\uff0c\u5373\u4f7f Redis \u5168\u6302\u8fd8\u80fd\u6491\u4f4f 1 \u5230 2 \u5206\u949f\uff1b\u540c\u65f6\u5728\u5e94\u7528\u5c42\u63a5 Sentinel \u6216 Resilience4j\uff0c\u5bf9\u56de\u6e90\u63a5\u53e3\u505a\u9650\u6d41\uff0c\u8d85\u8fc7\u9608\u503c\u5c31\u964d\u7ea7\u8fd4\u56de\u515c\u5e95\u6570\u636e\u6216\u53cb\u597d\u9519\u8bef\u9875\u3002Nginx \u5c42\u9762\u4e5f\u53ef\u4ee5\u914d\u5408\u505a\u9759\u6001\u5316\u515c\u5e95\uff0c\u628a\u8be6\u60c5\u9875\u7684 HTML \u7f13\u5b58\u5230 CDN\uff0c\u53ef\u4ee5\u53c2\u8003 <a href=\"https:\/\/cn.hostease.com\/blog\/server\/nginx-reverse-proxy-load-balancing\/\">Nginx \u53cd\u5411\u4ee3\u7406\u4e0e\u8d1f\u8f7d\u5747\u8861\u5b9e\u6218\u914d\u7f6e\u6559\u7a0b<\/a> \u7684\u9650\u6d41\u7ae0\u8282\u3002<\/p>\n<h2>\u76d1\u63a7\u4e0e\u538b\u6d4b\uff1a\u522b\u7b49\u7ebf\u4e0a\u70b8\u4e86\u624d\u53d1\u73b0<\/h2>\n<p>\u4e09\u79cd\u95ee\u9898\u5728\u76d1\u63a7\u6307\u6807\u4e0a\u6709\u660e\u663e\u7279\u5f81\u3002\u7f13\u5b58\u7a7f\u900f\u8868\u73b0\u4e3a Redis \u547d\u4e2d\u7387\u957f\u671f\u504f\u4f4e\u4f46 QPS \u6b63\u5e38\uff0c\u6570\u636e\u5e93\u67e5\u8be2\u91cc\u5927\u91cf\u8fd4\u56de\u7a7a\u7ed3\u679c\uff1b\u51fb\u7a7f\u8868\u73b0\u4e3a\u67d0\u4e2a\u952e\u7684 miss \u5728\u6beb\u79d2\u7ea7\u5185\u5c16\u5cf0\uff0c\u914d\u5408\u6570\u636e\u5e93\u6162\u67e5\u8be2\u65e5\u5fd7\u53ef\u4ee5\u5b9a\u4f4d\uff1b\u96ea\u5d29\u5219\u662f Redis QPS \u65ad\u5d16\u3001\u6570\u636e\u5e93 QPS \u540c\u65f6\u98d9\u5347\u3002<\/p>\n<p>\u5efa\u8bae\u5728 Grafana \u4e0a\u76ef\u4e09\u4e2a\u6838\u5fc3\u9762\u677f\uff1aRedis \u547d\u4e2d\u7387\uff08\u6309 key \u524d\u7f00\u5206\u7ec4\uff09\u3001\u5355 key QPS Top 10\u3001\u8fc7\u671f\u952e\u5230\u671f\u5206\u5e03\u76f4\u65b9\u56fe\u3002\u538b\u6d4b\u9636\u6bb5\u7528 wrk \u6216 k6 \u6a21\u62df\u540c\u4e00\u79d2\u8fc7\u671f\u573a\u666f\uff0c\u6545\u610f\u6784\u9020\u6781\u7aef\u503c\uff0c\u63d0\u524d\u628a\u95ee\u9898\u66b4\u9732\u5728\u7ebf\u4e0b\u3002\u65e5\u5fd7\u4fa7\u5efa\u8bae\u628a\u6240\u6709\u672a\u547d\u4e2d\u4e8b\u4ef6\u91c7\u6837\u4e0a\u62a5\uff0c\u914d\u5408 ELK \u505a\u5173\u952e\u5b57\u544a\u8b66\uff0c\u53ef\u4ee5\u53c2\u8003 <a href=\"https:\/\/cn.hostease.com\/blog\/linux\/linux-ssh-fail2ban-hardening\/\">Linux SSH \u5b89\u5168\u52a0\u56fa\u4e0e Fail2Ban \u9632\u62a4\u5b9e\u6218<\/a> \u91cc\u65e5\u5fd7\u805a\u5408\u7684\u505a\u6cd5\u3002<\/p>\n<h2>\u90e8\u7f72\u67b6\u6784\u4e0a\u7684\u51e0\u4e2a\u5efa\u8bae<\/h2>\n<p>\u5e94\u5bf9\u4e09\u5251\u5ba2\u4e0d\u53ea\u662f\u5199\u51e0\u884c\u4ee3\u7801\uff0c\u8fd8\u9700\u8981\u4ece\u67b6\u6784\u4e0a\u505a\u597d\u51c6\u5907\uff1a<\/p>\n<ul>\n<li>Redis \u81f3\u5c11\u505a\u4e3b\u4ece\u52a0 Sentinel \u6216 Cluster \u6a21\u5f0f\uff0c\u907f\u514d\u5355\u70b9\u6545\u969c\u6f14\u53d8\u6210\u96ea\u5d29<\/li>\n<li>\u5927\u4fc3\u524d\u5bf9\u6240\u6709\u70ed\u70b9\u952e\u505a\u9884\u70ed\uff0c\u63d0\u524d\u628a\u7f13\u5b58\u5199\u6ee1\uff0c\u4e0d\u8981\u7b49\u7528\u6237\u8bf7\u6c42\u89e6\u53d1\u56de\u6e90<\/li>\n<li>\u628a\u7f13\u5b58\u4ee3\u7406\u5c42\u4e0e\u5e94\u7528\u89e3\u8026\uff0c\u5efa\u8bae\u53c2\u8003 <a href=\"https:\/\/cn.hostease.com\/blog\/wordpress\/wordpress-w3-total-cache-tuning\/\">WordPress W3 Total Cache \u6027\u80fd\u8c03\u4f18\u5b9e\u6218<\/a> \u4e2d\u9875\u9762\u7f13\u5b58\u7684\u5206\u5c42\u601d\u8def<\/li>\n<li>\u9009\u62e9\u7269\u7406\u4f4d\u7f6e\u79bb\u6570\u636e\u5e93\u8fd1\u7684\u673a\u623f\u90e8\u7f72 Redis\uff0c\u8de8\u533a\u5ef6\u8fdf\u4f1a\u8ba9\u56de\u6e90\u8017\u65f6\u96ea\u4e0a\u52a0\u971c\uff0c\u53ef\u4ee5\u770b\u770b <a href=\"https:\/\/cn.hostease.com\/blog\/tutorials\/us-vps-deployment-tutorial-guide\/\">\u7f8e\u56fd VPS \u90e8\u7f72\u5b8c\u6574\u6559\u7a0b\u6307\u5357<\/a><\/li>\n<li>CDN \u5c42\u4e5f\u53c2\u4e0e\u5230\u6321\u5899\u4f53\u7cfb\u91cc\u6765\uff0c\u8be6\u89c1 <a href=\"https:\/\/cn.hostease.com\/blog\/cdn\/cloudflare-cdn-china-acceleration\/\">Cloudflare CDN \u4e2d\u56fd\u5927\u9646\u52a0\u901f\u4f18\u5316\u6307\u5357<\/a><\/li>\n<\/ul>\n<p>\u5982\u679c\u4e1a\u52a1\u5bf9\u5ef6\u8fdf\u654f\u611f\uff0c\u53ef\u4ee5\u8003\u8651\u628a Redis \u4ece\u6258\u7ba1\u578b\u8fc1\u5230<a href=\"https:\/\/cn.hostease.com\/dedicated-server\/\">\u72ec\u7acb\u670d\u52a1\u5668<\/a>\u5b9e\u4f8b\uff0cHostease \u7684\u9ad8\u5185\u5b58 <a href=\"https:\/\/cn.hostease.com\/vps\/\">VPS<\/a> \u9002\u5408\u505a\u5927\u5bb9\u91cf\u7f13\u5b58\u5c42\u3002<\/p>\n<h2>\u603b\u7ed3<\/h2>\n<p>\u603b\u7ed3\u4e00\u4e0b\uff0c\u7f13\u5b58\u7a7f\u900f\u3001\u7f13\u5b58\u51fb\u7a7f\u4e0e\u7f13\u5b58\u96ea\u5d29\u4e09\u4e2a\u95ee\u9898\u770b\u8d77\u6765\u90fd\u53eb\u7f13\u5b58\u6302\u4e86\uff0c\u4f46\u6210\u56e0\u548c\u89e3\u6cd5\u5b8c\u5168\u4e0d\u540c\u3002\u63a8\u8350\u7684\u7ec4\u5408\u662f\uff1a\u7a7f\u900f\u7528\u5e03\u9686\u8fc7\u6ee4\u5668\u52a0\u7a7a\u503c\u7f13\u5b58\u6321\u524d\u7f6e\uff0c\u51fb\u7a7f\u7528\u4e92\u65a5\u9501\u52a0\u903b\u8f91\u8fc7\u671f\u4fdd\u62a4\u70ed\u70b9\uff0c\u96ea\u5d29\u7528 TTL \u968f\u673a\u5316\u52a0\u591a\u7ea7\u7f13\u5b58\u4e0e\u9650\u6d41\u964d\u7ea7\u515c\u5e95\u3002\u5982\u679c\u4f60\u9700\u8981\u4ece\u96f6\u642d\u5efa\u4e00\u5957\u751f\u4ea7\u7ea7\u7684 Redis \u7f13\u5b58\u5c42\uff0c\u5efa\u8bae\u5148\u628a\u76d1\u63a7\u57cb\u597d\uff0c\u518d\u5206\u9636\u6bb5\u5f15\u5165\u8fd9\u4e09\u7c7b\u9632\u62a4\uff1b\u4e0d\u8981\u4e00\u6b21\u6027\u5168\u4e0a\uff0c\u5426\u5219\u5b9a\u4f4d\u95ee\u9898\u7684\u96be\u5ea6\u4f1a\u6210\u500d\u4e0a\u5347\u3002\u53ef\u4ee5\u8003\u8651\u7ed3\u5408\u5b9e\u9645\u4e1a\u52a1\u7684 QPS \u4e0e\u4e00\u81f4\u6027\u8981\u6c42\u505a\u53d6\u820d\uff0c\u6ca1\u6709\u94f6\u5f39\u65b9\u6848\uff0c\u4f46\u6709\u53ef\u4ee5\u53cd\u590d\u9a8c\u8bc1\u7684\u5de5\u7a0b\u5b9e\u8df5\u3002<\/p>\n","protected":false},"excerpt":{"rendered":"<p>\u6559\u4f60\u5982\u4f55\u7528\u5e03\u9686\u8fc7\u6ee4\u5668\u3001\u4e92\u65a5\u9501\u3001\u968f\u673a\u8fc7\u671f\u7b49\u7ec4\u5408\u65b9\u6848\u7cfb\u7edf\u89e3\u51b3\u7f13\u5b58\u7a7f\u900f\u3001\u7f13\u5b58\u51fb\u7a7f\u4e0e\u7f13\u5b58\u96ea\u5d29\u4e09\u5927\u95ee\u9898\uff0c\u9644 Redis \u547d\u4ee4\u4e0e\u4ee3\u7801\u793a\u4f8b\u3002<\/p>\n","protected":false},"author":2,"featured_media":30835,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"_jetpack_memberships_contains_paid_content":false,"footnotes":""},"categories":[2],"tags":[2276,3976],"class_list":["post-30836","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-server","tag-redis","tag-category"],"aioseo_notices":[],"jetpack_featured_media_url":"https:\/\/cn.hostease.com\/blog\/wp-content\/uploads\/2026\/05\/cache-penetration-breakdown-avalanche-cover.webp","jetpack_sharing_enabled":true,"_links":{"self":[{"href":"https:\/\/cn.hostease.com\/blog\/wp-json\/wp\/v2\/posts\/30836","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/cn.hostease.com\/blog\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/cn.hostease.com\/blog\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/cn.hostease.com\/blog\/wp-json\/wp\/v2\/users\/2"}],"replies":[{"embeddable":true,"href":"https:\/\/cn.hostease.com\/blog\/wp-json\/wp\/v2\/comments?post=30836"}],"version-history":[{"count":1,"href":"https:\/\/cn.hostease.com\/blog\/wp-json\/wp\/v2\/posts\/30836\/revisions"}],"predecessor-version":[{"id":30837,"href":"https:\/\/cn.hostease.com\/blog\/wp-json\/wp\/v2\/posts\/30836\/revisions\/30837"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/cn.hostease.com\/blog\/wp-json\/wp\/v2\/media\/30835"}],"wp:attachment":[{"href":"https:\/\/cn.hostease.com\/blog\/wp-json\/wp\/v2\/media?parent=30836"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/cn.hostease.com\/blog\/wp-json\/wp\/v2\/categories?post=30836"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/cn.hostease.com\/blog\/wp-json\/wp\/v2\/tags?post=30836"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}