{"id":32863,"date":"2025-03-04T11:03:38","date_gmt":"2025-03-04T03:03:38","guid":{"rendered":"https:\/\/www.yunshan.net\/blog\/?p=32863"},"modified":"2025-03-04T11:03:38","modified_gmt":"2025-03-04T03:03:38","slug":"%e5%ba%94%e7%94%a8%e6%95%85%e9%9a%9c%e5%ae%9a%e4%bd%8d%e6%97%b6%e5%a6%82%e4%bd%95%e5%a4%84%e7%90%86%e7%bc%93%e5%ad%98%e5%a4%b1%e6%95%88%e9%97%ae%e9%a2%98%ef%bc%9f","status":"publish","type":"post","link":"https:\/\/www.yunshan.net\/blog\/archives\/32863.html","title":{"rendered":"\u5e94\u7528\u6545\u969c\u5b9a\u4f4d\u65f6\u5982\u4f55\u5904\u7406\u7f13\u5b58\u5931\u6548\u95ee\u9898\uff1f"},"content":{"rendered":"<p style=\"text-align: center;\">\n<p><img decoding=\"async\" src=\"https:\/\/www.yunshan.net\/blog\/wp-content\/uploads\/2025\/03\/6gvD8.jpg\" alt=\"\u5e94\u7528\u6545\u969c\u5b9a\u4f4d\u65f6\u5982\u4f55\u5904\u7406\u7f13\u5b58\u5931\u6548\u95ee\u9898\uff1f\" ><\/p>\n<\/p>\n<hr>\n<p><strong>\u524d\u8a00\uff1a\u5f53\u7f13\u5b58\u5931\u6548\u6210\u4e3a&rdquo;\u9690\u5f62\u6740\u624b&rdquo;<\/strong><br 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id=\"\u4e00-\u7f13\u5b58\u5931\u6548\u7684-\u8774\u8776\u6548\u5e94-\u4ece\u6570\u636e\u5f02\u5e38\u5230\u7cfb\u7edf\u96ea\u5d29\">\u4e00\u3001\u7f13\u5b58\u5931\u6548\u7684&rdquo;\u8774\u8776\u6548\u5e94&rdquo;\uff1a\u4ece\u6570\u636e\u5f02\u5e38\u5230\u7cfb\u7edf\u96ea\u5d29<\/h3>\n<p>\u7f13\u5b58\u5931\u6548\u95ee\u9898\u5e38\u8868\u73b0\u4e3a<strong>\u6570\u636e\u4e0d\u4e00\u81f4<\/strong>\u3001<strong>\u63a5\u53e3\u54cd\u5e94\u7a81\u53d8<\/strong>\u6216<strong>\u6570\u636e\u5e93\u538b\u529b\u6fc0\u589e<\/strong>\u3002\u6839\u636eGoogle SRE\u56e2\u961f\u7684\u7814\u7a76\u62a5\u544a\uff0c34%\u7684\u7ebf\u4e0a\u6545\u969c\u4e0e\u7f13\u5b58\u673a\u5236\u76f4\u63a5\u76f8\u5173\u3002\u5178\u578b\u573a\u666f\u5305\u62ec\uff1a<\/p>\n<ol>\n<li><strong>\u88ab\u52a8\u5931\u6548\u98ce\u66b4<\/strong>\uff1a\u5927\u91cf\u7f13\u5b58\u540c\u65f6\u8fc7\u671f\u5f15\u53d1\u6570\u636e\u5e93\u67e5\u8be2\u6d2a\u5cf0\n<\/li>\n<li><strong>\u4e3b\u52a8\u5931\u6548\u5931\u63a7<\/strong>\uff1a\u9891\u7e41\u7684\u7f13\u5b58\u6e05\u9664\u64cd\u4f5c\u5bfc\u81f4\u7cfb\u7edf\u9707\u8361\n<\/li>\n<li><strong>\u7a7f\u900f\/\u51fb\u7a7f\/\u96ea\u5d29<\/strong>\u4e09\u8fde\u51fb\uff1a\u5f53\u67e5\u8be2\u4e0d\u5b58\u5728\u6570\u636e\u65f6\uff0c\u7f13\u5b58\u5c42\u5931\u53bb\u4fdd\u62a4\u4f5c\u7528\n<\/li>\n<\/ol>\n<p>\u67d0\u91d1\u878d\u7cfb\u7edf\u66fe\u56e0\u5b9a\u65f6\u4efb\u52a1\u9519\u8bef\u6267\u884c\u5168\u91cf\u7f13\u5b58\u5237\u65b0\uff0c\u5bfc\u81f4\u6bcf\u79d220\u4e07\u6b21\u7684\u6570\u636e\u5e93\u67e5\u8be2\u76f4\u63a5\u51fb\u7a7f\u670d\u52a1\u9650\u6d41\u9608\u503c\u3002\u8fd9\u8b66\u793a\u6211\u4eec\uff1a<strong>\u5931\u6548\u673a\u5236\u7684\u8bbe\u8ba1\u7f3a\u9677\u5f80\u5f80\u6bd4\u7f13\u5b58\u5185\u5bb9\u672c\u8eab\u66f4\u5371\u9669<\/strong>\u3002<\/p>\n<hr>\n<h3 id=\"\u4e8c-\u5b9a\u4f4d\u7f13\u5b58\u5931\u6548\u7684-\u4e09\u91cd\u9a8c\u8bc1\u6cd5\">\u4e8c\u3001\u5b9a\u4f4d\u7f13\u5b58\u5931\u6548\u7684&rdquo;\u4e09\u91cd\u9a8c\u8bc1\u6cd5&rdquo;<\/h3>\n<h4 id=\"1-\u65e5\u5fd7\u6eaf\u6e90-\u89e3\u7801\u7f13\u5b58\u64cd\u4f5c\u8f68\u8ff9\">1. <strong>\u65e5\u5fd7\u6eaf\u6e90\uff1a\u89e3\u7801\u7f13\u5b58\u64cd\u4f5c\u8f68\u8ff9<\/strong><\/h4>\n<ul>\n<li>\u5728ELK\u65e5\u5fd7\u7cfb\u7edf\u4e2d\u8bbe\u7f6e<code>cache_hit_ratio<\/code>\u76d1\u63a7\u6307\u6807\n<\/li>\n<li>\u4f7f\u7528<a href=\"https:\/\/www.yunshan.net\/\"   target=\"_blank\" style=\"color:blue\">OpenTelemetry<\/a>\u8ffd\u8e2a\u7f13\u5b58\u64cd\u4f5c\u94fe\u8def\n<\/li>\n<li>\u91cd\u70b9\u6355\u6349<code>CacheEviction<\/code>\uff08\u7f13\u5b58\u9a71\u9010\uff09\u4e0e<code>CacheExpired<\/code>\uff08\u7f13\u5b58\u8fc7\u671f\uff09\u4e8b\u4ef6\n<\/li>\n<\/ul>\n<p><strong>\u5b9e\u6218\u6848\u4f8b<\/strong>\uff1a\u67d0\u793e\u4ea4\u5e73\u53f0\u53d1\u73b0\u79c1\u4fe1\u5217\u8868\u52a0\u8f7d\u5ef6\u8fdf\uff0c\u901a\u8fc7\u6bd4\u5bf9<strong>Redis\u6162\u67e5\u8be2\u65e5\u5fd7<\/strong>\u4e0e<strong>\u5e94\u7528\u5c42\u57cb\u70b9<\/strong>\uff0c\u6700\u7ec8\u5b9a\u4f4d\u5230\u70ed\u70b9\u6570\u636eTTL\u8bbe\u7f6e\u8fc7\u77ed\u5bfc\u81f4\u7684\u9891\u7e41\u7a7f\u900f\u95ee\u9898\u3002<\/p>\n<h4 id=\"2-\u6307\u6807\u76d1\u63a7-\u6784\u5efa\u5931\u6548\u9884\u8b66\u96f7\u8fbe\">2. <strong>\u6307\u6807\u76d1\u63a7\uff1a\u6784\u5efa\u5931\u6548\u9884\u8b66\u96f7\u8fbe<\/strong><\/h4>\n<ul>\n<li>\u5173\u952e\u76d1\u63a7\u7ef4\u5ea6\uff1a\n<\/li>\n<li><em>\u7f13\u5b58\u547d\u4e2d\u7387\u6ce2\u52a8<\/em>\uff08\u7a81\u964d10%\u5373\u89e6\u53d1\u544a\u8b66\uff09\n<\/li>\n<li><em>\u6570\u636e\u5e93QPS\u4e0e\u7f13\u5b58\u64cd\u4f5c\u91cf\u7684\u76f8\u5173\u6027<\/em>\n<\/li>\n<li><em>\u672c\u5730\u7f13\u5b58\u4e0e\u5206\u5e03\u5f0f\u7f13\u5b58\u7684\u5931\u6548\u6bd4\u4f8b<\/em>\n<\/li>\n<\/ul>\n<p><a href=\"https:\/\/www.yunshan.net\/\"   target=\"_blank\" style=\"color:blue\">Prometheus<\/a>+Grafana\u7684\u76d1\u63a7\u9762\u677f\u5e94\u5305\u542b<code>redis_misses_total<\/code>\u548c<code>memcached_evictions<\/code>\u7b49\u6838\u5fc3\u6307\u6807\uff0c\u5e76\u8bbe\u7f6e\u52a8\u6001\u57fa\u7ebf\u544a\u8b66\u3002<\/p>\n<h4 id=\"3-\u538b\u529b\u6d4b\u8bd5-\u4e3b\u52a8\u66b4\u9732\u5931\u6548\u98ce\u9669\">3. <strong>\u538b\u529b\u6d4b\u8bd5\uff1a\u4e3b\u52a8\u66b4\u9732\u5931\u6548\u98ce\u9669<\/strong><\/h4>\n<p>\u4f7f\u7528Chaos Engineering\u5de5\u5177\u6a21\u62df\u4ee5\u4e0b\u573a\u666f\uff1a<\/p>\n<ul>\n<li>\u968f\u673a\u6e05\u966430%\u7684\u7f13\u5b58\u6761\u76ee\uff08Chaos Monkey\uff09\n<\/li>\n<li>\u5c06\u7f13\u5b58TTL\u7f29\u77ed\u81f3\u539f\u503c\u76841\/10\uff08Gremlin\uff09\n<\/li>\n<li>\u6ce8\u5165\u7279\u5b9a\u6a21\u5f0f\u7684\u7f13\u5b58Key\u653b\u51fb\uff08Jepsen\uff09\n<\/li>\n<\/ul>\n<p>\u67d0\u89c6\u9891\u5e73\u53f0\u901a\u8fc7<strong>\u4e3b\u52a8\u89e6\u53d1\u7f13\u5b58\u96ea\u5d29<\/strong>\uff0c\u63d0\u524d\u53d1\u73b0\u4e86\u4e8c\u7ea7\u7f13\u5b58\u56de\u6e90\u903b\u8f91\u7684\u5e76\u53d1\u63a7\u5236\u7f3a\u9677\u3002<\/p>\n<hr>\n<h3 id=\"\u4e09-\u4e94\u6b65\u6839\u6cbb\u6cd5-\u6784\u5efa\u5931\u6548\u514d\u75ab\u7cfb\u7edf\">\u4e09\u3001\u4e94\u6b65\u6839\u6cbb\u6cd5\uff1a\u6784\u5efa\u5931\u6548\u514d\u75ab\u7cfb\u7edf<\/h3>\n<h4 id=\"\u2460-\u5206\u7ea7\u7194\u65ad\u673a\u5236\">\u2460 <strong>\u5206\u7ea7\u7194\u65ad\u673a\u5236<\/strong><\/h4>\n<ul>\n<li>\u7b2c\u4e00\u5c42\uff1a\u5f53\u7f13\u5b58\u547d\u4e2d\u7387<80>\n<\/li>\n<li>\u7b2c\u4e8c\u5c42\uff1a\u547d\u4e2d\u7387<60>\n<\/li>\n<li>\u7b2c\u4e09\u5c42\uff1a\u547d\u4e2d\u7387<40>\n<\/li>\n<\/ul>\n<h4 id=\"\u2461-\u52a8\u6001ttl\u7b97\u6cd5\">\u2461 <strong>\u52a8\u6001TTL\u7b97\u6cd5<\/strong><\/h4>\n<p>\u91c7\u7528<code>TTL = \u57fa\u7840\u503c + \u968f\u673a\u6296\u52a8<\/code>\u6a21\u5f0f\uff0c\u907f\u514d\u96c6\u4f53\u5931\u6548\u3002\u63a8\u8350\u4f7f\u7528<strong>\u6307\u6570\u9000\u907f\u7b97\u6cd5<\/strong>\u8c03\u6574\u70ed\u70b9\u6570\u636e\u7684\u5b58\u6d3b\u65f6\u95f4\u3002<\/p>\n<h4 id=\"\u2462-\u5c4f\u969c\u9632\u62a4\u8bbe\u8ba1\">\u2462 <strong>\u5c4f\u969c\u9632\u62a4\u8bbe\u8ba1<\/strong><\/h4>\n<ul>\n<li>\u5b9e\u73b0\u7f13\u5b58\u67e5\u8be2\u7684\u4e92\u65a5\u9501\uff08Redis Redlock\uff09\n<\/li>\n<li>\u4f7f\u7528Bloom\u8fc7\u6ee4\u5668\u62e6\u622a\u65e0\u6548Key\u67e5\u8be2\n<\/li>\n<li>\u5bf9\u56de\u6e90\u67e5\u8be2\u5b9e\u65bd\u5e76\u53d1\u961f\u5217\u63a7\u5236\n<\/li>\n<\/ul>\n<pre><code class=\"language-java\">\/\/ \u4f2a\u4ee3\u7801\u793a\u4f8b\uff1a\u53cc\u91cd\u68c0\u67e5\u9501\u5b9e\u73b0  \r\npublic Data getData(String key) {  \r\nData data = cache.get(key);  \r\nif (data == null) {  \r\nsynchronized (this) {  \r\ndata = cache.get(key);  \r\nif (data == null) {  \r\ndata = db.query(key);  \r\ncache.set(key, data, ttl);  \r\n}  \r\n}  \r\n}  \r\nreturn data;  \r\n}  \r\n<\/code><\/pre>\n<h4 id=\"\u2463-\u5f02\u6b65\u9884\u70ed\u7b56\u7565\">\u2463 <strong>\u5f02\u6b65\u9884\u70ed\u7b56\u7565<\/strong><\/h4>\n<ul>\n<li>\u57fa\u4e8e\u5386\u53f2\u8bbf\u95ee\u6a21\u5f0f\u9884\u6d4b\u7f13\u5b58\u52a0\u8f7d\u9700\u6c42\n<\/li>\n<li>\u4f7f\u7528Kafka\u6d88\u606f\u961f\u5217\u5b9e\u73b0\u5931\u6548\u524d\u7684\u6570\u636e\u9884\u52a0\u8f7d\n<\/li>\n<li>\u51b7\u542f\u52a8\u9636\u6bb5\u91c7\u7528\u6e10\u8fdb\u5f0f\u586b\u5145\u7b56\u7565\n<\/li>\n<\/ul>\n<h4 id=\"\u2464-\u591a\u7ea7\u7f13\u5b58\u67b6\u6784\">\u2464 <strong>\u591a\u7ea7\u7f13\u5b58\u67b6\u6784<\/strong><\/h4>\n<p>\u6784\u5efa<code>\u672c\u5730\u7f13\u5b58\uff08Caffeine\uff09\u2192 \u5206\u5e03\u5f0f\u7f13\u5b58\uff08Redis\uff09\u2192 \u6301\u4e45\u5316\u5b58\u50a8<\/code>\u4e09\u7ea7\u4f53\u7cfb\uff0c\u6bcf\u5c42\u8bbe\u7f6e\u5dee\u5f02\u5316\u5931\u6548\u7b56\u7565\u3002\u67d0\u7535\u5546\u7cfb\u7edf\u901a\u8fc7\u6b64\u65b9\u6848\u5c06\u7f13\u5b58\u5931\u6548\u5f15\u53d1\u7684\u6545\u969c\u7387\u964d\u4f4e83%\u3002<\/p>\n<hr>\n<h3 id=\"\u56db-\u5de5\u5177\u94fe\u8d4b\u80fd-\u667a\u80fd\u5931\u6548\u6cbb\u7406\">\u56db\u3001\u5de5\u5177\u94fe\u8d4b\u80fd\uff1a\u667a\u80fd\u5931\u6548\u6cbb\u7406<\/h3>\n<ol>\n<li><strong>\u8bca\u65ad\u5de5\u5177<\/strong>\uff1a\n<\/li>\n<\/ol>\n<ul>\n<li>RedisInsight\u5206\u6790\u952e\u7a7a\u95f4\u53d8\u5316\u6a21\u5f0f\n<\/li>\n<li>Apache <a href=\"https:\/\/www.yunshan.net\/\"   target=\"_blank\" style=\"color:blue\">SkyWalking<\/a>\u8ffd\u8e2a\u7f13\u5b58\u8c03\u7528\u94fe\n<\/li>\n<li>VividCortex\u5b9e\u65f6\u68c0\u6d4b\u5f02\u5e38\u6dd8\u6c70\u7387\n<\/li>\n<\/ul>\n<ol>\n<li><strong>\u4fee\u590d\u5de5\u5177<\/strong>\uff1a\n<\/li>\n<\/ol>\n<ul>\n<li>Netflix\u7684Scryer\u5b9e\u73b0\u667a\u80fd\u7f13\u5b58\u9884\u70ed\n<\/li>\n<li>Airbnb\u7684SmartStack\u81ea\u52a8\u5e73\u8861\u7f13\u5b58\u8d1f\u8f7d\n<\/li>\n<li>\u81ea\u7814\u7684CacheDoctor\u5de5\u5177\u5305\u652f\u6301\u4e00\u952e\u4fee\u590d\u5e38\u89c1\u914d\u7f6e\u9519\u8bef\n<\/li>\n<\/ul>\n<ol>\n<li><strong>\u9a8c\u8bc1\u5de5\u5177<\/strong>\uff1a\n<\/li>\n<\/ol>\n<ul>\n<li>JMeter\u6a21\u62df\u4e0d\u540c\u5931\u6548\u573a\u666f\u7684\u538b\u6d4b\u6a21\u578b\n<\/li>\n<li>Diffy\u5bf9\u6bd4\u7f13\u5b58\u4e0e\u6e90\u6570\u636e\u7684\u4e00\u81f4\u6027\n<\/li>\n<li>TLA+\u5f62\u5f0f\u5316\u9a8c\u8bc1\u7f13\u5b58\u903b\u8f91\u7684\u6b63\u786e\u6027\n<\/li>\n<\/ul>\n<hr>\n<h3 id=\"\u4e94-\u957f\u6548\u9632\u5fa1-\u4ece\u5e94\u6025\u5230\u6cbb\u672c\">\u4e94\u3001\u957f\u6548\u9632\u5fa1\uff1a\u4ece\u5e94\u6025\u5230\u6cbb\u672c<\/h3>\n<ol>\n<li><strong>\u5c06\u7f13\u5b58\u8bbe\u8ba1\u7eb3\u5165\u67b6\u6784\u8bc4\u5ba1<\/strong>\uff0c\u5f3a\u5236\u8981\u6c42\u8bf4\u660e\u5931\u6548\u5904\u7406\u65b9\u6848\n<\/li>\n<li><strong>\u5efa\u7acb\u7f13\u5b58\u53d8\u66f4\u7684\u7070\u5ea6\u673a\u5236<\/strong>\uff0c\u91c7\u7528Canary 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