{"id":7652,"date":"2026-08-17T09:53:27","date_gmt":"2026-08-17T01:53:27","guid":{"rendered":"https:\/\/i007.cc\/wordpress\/?p=7652"},"modified":"2026-08-17T09:54:59","modified_gmt":"2026-08-17T01:54:59","slug":"redis-%e7%bd%91%e7%bb%9c%e6%a8%a1%e5%9e%8b","status":"publish","type":"post","link":"https:\/\/i007.cc\/wordpress\/archives\/7652","title":{"rendered":"Redis \u7f51\u7edc\u6a21\u578b\u548c\u57fa\u672c\u539f\u7406"},"content":{"rendered":"<p class=\"font-claude-response-body break-words whitespace-normal\" dir=\"ltr\">Redis \u7684\u7f51\u7edc\u6a21\u578b\u7ecf\u5386\u4e86\u4ece&#8221;\u5355\u7ebf\u7a0b Reactor&#8221;\u5230&#8221;\u591a\u7ebf\u7a0b IO + \u5355\u7ebf\u7a0b\u6267\u884c&#8221;\u7684\u6f14\u8fdb\uff0c\u6838\u5fc3\u601d\u8def\u90fd\u662f\u7528 <strong>IO \u591a\u8def\u590d\u7528 + \u4e8b\u4ef6\u9a71\u52a8<\/strong> \u6765\u907f\u514d\u7ebf\u7a0b\u5207\u6362\u548c\u9501\u7ade\u4e89\u7684\u5f00\u9500\u3002<\/p>\n<h3 class=\"mt-3 -mb-1 text-[1.125rem] font-bold\" dir=\"ltr\">\u6838\u5fc3\uff1a\u5355\u7ebf\u7a0b + IO \u591a\u8def\u590d\u7528\uff08Redis 6.0 \u4e4b\u524d\uff09<\/h3>\n<p class=\"font-claude-response-body break-words whitespace-normal\" dir=\"ltr\">Redis \u7684\u547d\u4ee4\u6267\u884c\u4e00\u76f4\u662f\u5355\u7ebf\u7a0b\u7684\uff08\u4e00\u4e2a\u4e3b\u7ebf\u7a0b\u6309\u987a\u5e8f\u5904\u7406\u6240\u6709\u5ba2\u6237\u7aef\u547d\u4ee4\uff09\uff0c\u4f46\u5b83\u80fd\u652f\u6491\u5f88\u9ad8\u7684\u5e76\u53d1\uff0c\u5173\u952e\u5728\u4e8e\u7f51\u7edc IO \u90e8\u5206\u7528\u4e86\u591a\u8def\u590d\u7528\u6280\u672f\uff0c\u800c\u4e0d\u662f\u6bcf\u4e2a\u8fde\u63a5\u5f00\u4e00\u4e2a\u7ebf\u7a0b\/\u8fdb\u7a0b\u3002<\/p>\n<p class=\"font-claude-response-body break-words whitespace-normal\" dir=\"ltr\">Redis \u5185\u90e8\u5b9e\u73b0\u4e86\u4e00\u4e2a\u4e8b\u4ef6\u9a71\u52a8\u5e93\uff08\u6e90\u7801\u91cc\u7684 <code class=\"bg-text-200\/5 border border-0.5 border-border-300 text-danger-000 whitespace-pre-wrap rounded-[0.4rem] px-1 py-px text-[0.9rem]\">ae.c<\/code>\uff0c\u5373 AE\uff0cA simple Event-driven library\uff09\uff0c\u5b83\u4f1a\u6839\u636e\u64cd\u4f5c\u7cfb\u7edf\u81ea\u52a8\u9009\u62e9\u5e95\u5c42\u591a\u8def\u590d\u7528\u673a\u5236\uff1aLinux \u7528 epoll\uff0cmacOS\/BSD \u7528 kqueue\uff0c\u90fd\u6ca1\u6709\u7684\u8bdd\u9000\u5316\u5230 select\u3002\u8fd9\u4e00\u5c42\u628a\u4e0d\u540c\u7cfb\u7edf\u7684\u5dee\u5f02\u5c01\u88c5\u6210\u7edf\u4e00\u63a5\u53e3\u3002<\/p>\n<p class=\"font-claude-response-body break-words whitespace-normal\" dir=\"ltr\">\u4e8b\u4ef6\u5faa\u73af\u91cc\u4e3b\u8981\u5904\u7406\u4e24\u7c7b\u4e8b\u4ef6\uff1a<\/p>\n<p class=\"font-claude-response-body break-words whitespace-normal\" dir=\"ltr\">\u6587\u4ef6\u4e8b\u4ef6\uff08file event\uff09\u8d1f\u8d23\u5904\u7406\u7f51\u7edc IO\uff0c\u6bd4\u5982\u5ba2\u6237\u7aef\u53d1\u8d77\u8fde\u63a5\u3001\u53d1\u9001\u547d\u4ee4\u3001\u63a5\u6536\u56de\u590d\uff1b\u65f6\u95f4\u4e8b\u4ef6\uff08time event\uff09\u8d1f\u8d23\u5904\u7406\u5b9a\u65f6\u4efb\u52a1\uff0c\u6bd4\u5982 <code class=\"bg-text-200\/5 border border-0.5 border-border-300 text-danger-000 whitespace-pre-wrap rounded-[0.4rem] px-1 py-px text-[0.9rem]\">serverCron<\/code> \u91cc\u7684\u8fc7\u671f\u952e\u6e05\u7406\u3001AOF \u5237\u76d8\u3001\u96c6\u7fa4\u5fc3\u8df3\u7b49\u3002\u4e8b\u4ef6\u5faa\u73af\u4f1a\u4e0d\u65ad\u8f6e\u8be2\uff1a\u8c03\u7528\u591a\u8def\u590d\u7528\u63a5\u53e3\u62ff\u5230\u5c31\u7eea\u7684\u6587\u4ef6\u63cf\u8ff0\u7b26\uff0c\u4f9d\u6b21\u5206\u53d1\u7ed9\u5bf9\u5e94\u7684\u5904\u7406\u5668\uff08acceptor \u5904\u7406\u65b0\u8fde\u63a5\u3001command reader \u8bfb\u547d\u4ee4\u3001command writer \u5199\u56de\u590d\uff09\uff0c\u5904\u7406\u5b8c\u518d\u68c0\u67e5\u662f\u5426\u6709\u5230\u671f\u7684\u65f6\u95f4\u4e8b\u4ef6\u8981\u6267\u884c\u3002<\/p>\n<p class=\"font-claude-response-body break-words whitespace-normal\" dir=\"ltr\">\u6574\u4e2a\u6d41\u7a0b\u53ef\u4ee5\u7406\u89e3\u4e3a\u4e00\u4e2a\u7ecf\u5178\u7684 Reactor \u6a21\u5f0f\uff1a\u4e00\u4e2a\u7ebf\u7a0b\u3001\u4e00\u4e2a\u4e8b\u4ef6\u5faa\u73af\u3001\u628a accept\u3001read\u3001\u547d\u4ee4\u89e3\u6790\u3001\u547d\u4ee4\u6267\u884c\u3001write \u5168\u90e8\u4e32\u884c\u5316\u5904\u7406\u3002\u8fd9\u6837\u505a\u7684\u597d\u5904\u662f\u6ca1\u6709\u591a\u7ebf\u7a0b\u7684\u4e0a\u4e0b\u6587\u5207\u6362\u548c\u9501\u5f00\u9500\uff0c\u4ee3\u7801\u6a21\u578b\u7b80\u5355\uff0c\u4e0d\u4f1a\u6709\u5e76\u53d1\u4fee\u6539\u6570\u636e\u7ed3\u6784\u7684\u95ee\u9898\uff1b\u914d\u5408 Redis \u6570\u636e\u7ed3\u6784\u57fa\u672c\u662f\u5185\u5b58\u64cd\u4f5c\uff0c\u901f\u5ea6\u8db3\u591f\u5feb\uff0c\u6240\u4ee5\u5355\u7ebf\u7a0b\u4e5f\u80fd\u8dd1\u5230\u5f88\u9ad8\u7684 QPS\uff08\u901a\u5e38\u5341\u4e07\u7ea7\u522b\uff09\u3002<\/p>\n<h3 class=\"mt-3 -mb-1 text-[1.125rem] font-bold\" dir=\"ltr\">Redis 6.0 \u5f15\u5165\u7684\u591a\u7ebf\u7a0b IO<\/h3>\n<p class=\"font-claude-response-body break-words whitespace-normal\" dir=\"ltr\">\u5355\u7ebf\u7a0b\u7684\u74f6\u9888\u6162\u6162\u51fa\u73b0\u5728\u7f51\u7edc IO \u4e0a\uff1a\u5f53\u8fde\u63a5\u6570\u591a\u3001\u8bf7\u6c42\u4f53\u5927\uff08\u6bd4\u5982\u5927 value\u3001pipeline \u6279\u91cf\u547d\u4ee4\uff09\u65f6\uff0csocket \u7684\u8bfb\u5199\u548c\u534f\u8bae\u89e3\u6790\uff08RESP \u5e8f\u5217\u5316\/\u53cd\u5e8f\u5217\u5316\uff09\u4f1a\u5360\u7528\u4e3b\u7ebf\u7a0b\u76f8\u5f53\u4e00\u90e8\u5206\u65f6\u95f4\uff0c\u6210\u4e3a\u74f6\u9888\uff0c\u800c\u8fd9\u90e8\u5206\u5176\u5b9e\u662f\u53ef\u4ee5\u5e76\u884c\u5316\u7684\u3002<\/p>\n<p class=\"font-claude-response-body break-words whitespace-normal\" dir=\"ltr\">\u6240\u4ee5\u4ece 6.0 \u5f00\u59cb\uff0cRedis \u52a0\u5165\u4e86 <strong>\u591a IO \u7ebf\u7a0b<\/strong>\uff08<code class=\"bg-text-200\/5 border border-0.5 border-border-300 text-danger-000 whitespace-pre-wrap rounded-[0.4rem] px-1 py-px text-[0.9rem]\">io-threads<\/code> \u914d\u7f6e\u9879\uff09\uff0c\u4f46\u6ce8\u610f\u5b83\u53ea\u628a&#8221;\u8bfb\u53d6\u8bf7\u6c42 \/ \u89e3\u6790\u534f\u8bae \/ \u5199\u56de\u7ed3\u679c&#8221;\u8fd9\u51e0\u6b65\u505a\u4e86\u591a\u7ebf\u7a0b\u5316\uff0c\u547d\u4ee4\u7684\u5b9e\u9645\u6267\u884c\uff08\u6bd4\u5982 <code class=\"bg-text-200\/5 border border-0.5 border-border-300 text-danger-000 whitespace-pre-wrap rounded-[0.4rem] px-1 py-px text-[0.9rem]\">SET<\/code>\u3001<code class=\"bg-text-200\/5 border border-0.5 border-border-300 text-danger-000 whitespace-pre-wrap rounded-[0.4rem] px-1 py-px text-[0.9rem]\">LPUSH<\/code> \u8fd9\u4e9b\u64cd\u4f5c\u6570\u636e\u7ed3\u6784\u7684\u903b\u8f91\uff09\u4ecd\u7136\u662f\u5355\u7ebf\u7a0b\u5b8c\u6210\u7684\u3002\u6d41\u7a0b\u5927\u81f4\u662f\uff1a\u4e3b\u7ebf\u7a0b\u8d1f\u8d23 accept \u8fde\u63a5\uff1b\u591a\u4e2a IO \u7ebf\u7a0b\u5e76\u884c\u5730\u4ece\u5404\u81ea\u8d1f\u8d23\u7684\u8fde\u63a5\u4e0a\u8bfb\u53d6\u6570\u636e\u3001\u89e3\u6790\u6210\u547d\u4ee4\uff1b\u4e3b\u7ebf\u7a0b\u518d\u5355\u7ebf\u7a0b\u5730\u4f9d\u6b21\u6267\u884c\u8fd9\u4e9b\u547d\u4ee4\uff1b\u5199\u56de\u590d\u65f6\u540c\u6837\u53ef\u4ee5\u7528\u591a\u4e2a IO \u7ebf\u7a0b\u5e76\u884c\u53d1\u9001\u3002\u8fd9\u6837\u4fdd\u7559\u4e86&#8221;\u547d\u4ee4\u6267\u884c\u65e0\u9700\u52a0\u9501&#8221;\u7684\u7b80\u5355\u6a21\u578b,\u53c8\u7f13\u89e3\u4e86\u7f51\u7edc IO \u8fd9\u4e00\u5c42\u7684\u74f6\u9888\u3002\u9ed8\u8ba4\u8fd9\u4e2a\u7279\u6027\u662f\u5173\u95ed\u7684\uff08<code class=\"bg-text-200\/5 border border-0.5 border-border-300 text-danger-000 whitespace-pre-wrap rounded-[0.4rem] px-1 py-px text-[0.9rem]\">io-threads 1<\/code>\uff09\uff0c\u9700\u8981\u624b\u52a8\u5f00\u542f\u5e76\u8bbe\u7f6e\u7ebf\u7a0b\u6570\u624d\u751f\u6548\uff0c\u5b98\u65b9\u5efa\u8bae\u5728 4 \u6838\u4ee5\u4e0a\u3001\u4e14\u7f51\u7edc IO \u786e\u5b9e\u662f\u74f6\u9888\u65f6\u518d\u5f00\u542f\u3002<\/p>\n<h3 class=\"mt-3 -mb-1 text-[1.125rem] font-bold\" dir=\"ltr\">\u4e00\u53e5\u8bdd\u603b\u7ed3<\/h3>\n<p class=\"font-claude-response-body break-words whitespace-normal\" dir=\"ltr\">Redis \u7528\u5355\u7ebf\u7a0b\u5904\u7406\u547d\u4ee4\u903b\u8f91\u4fdd\u8bc1\u4e86\u65e0\u9501\u3001\u7b80\u5355\u3001\u53ef\u9884\u6d4b\u7684\u6267\u884c\u6a21\u578b\uff0c\u7528 IO \u591a\u8def\u590d\u7528\uff08epoll \u7b49\uff09\u5b9e\u73b0\u4e86\u5355\u7ebf\u7a0b\u4e5f\u80fd\u540c\u65f6\u7ba1\u7406\u6210\u5343\u4e0a\u4e07\u4e2a\u8fde\u63a5\uff0c6.0 \u4e4b\u540e\u53c8\u628a\u7f51\u7edc IO \u7684\u8bfb\u5199\/\u7f16\u89e3\u7801\u90e8\u5206\u62c6\u7ed9\u591a\u4e2a\u7ebf\u7a0b\u505a\uff0c\u8fdb\u4e00\u6b65\u69a8\u53d6\u591a\u6838\u6027\u80fd,\u4f46&#8221;\u6570\u636e\u64cd\u4f5c\u672c\u8eab\u5355\u7ebf\u7a0b\u6267\u884c&#8221;\u8fd9\u4e2a\u6838\u5fc3\u8bbe\u8ba1\u4e00\u76f4\u6ca1\u53d8\u3002<\/p>\n<p class=\"font-claude-response-body break-words whitespace-normal\" dir=\"ltr\">\u5982\u679c\u4f60\u662f\u5728\u51c6\u5907\u9762\u8bd5\u6216\u8005\u60f3\u6df1\u5165\u67d0\u4e00\u5757\uff08\u6bd4\u5982 epoll \u7684 LT\/ET \u6a21\u5f0f\u3001<code class=\"bg-text-200\/5 border border-0.5 border-border-300 text-danger-000 whitespace-pre-wrap rounded-[0.4rem] px-1 py-px text-[0.9rem]\">ae.c<\/code> \u7684\u5177\u4f53\u5b9e\u73b0\u3001pipeline \u5bf9\u7f51\u7edc\u6a21\u578b\u7684\u5f71\u54cd\u3001\u96c6\u7fa4\u6a21\u5f0f\u4e0b\u7684 gossip \u534f\u8bae\u7f51\u7edc\u5904\u7406\u7b49\uff09\uff0c\u53ef\u4ee5\u544a\u8bc9\u6211\u5177\u4f53\u60f3\u6df1\u5165\u54ea\u4e2a\u65b9\u5411\u3002<\/p>\n<p dir=\"ltr\">\n<hr \/>\n<p dir=\"ltr\">\n<div role=\"feed\" data-perf-region=\"transcript\" aria-label=\"Chat messages\" aria-describedby=\"_r_jb_\" data-find-provider-scope=\"\">\n<div data-sizer-excess=\"0\" data-rocksteady-sizer=\"\" data-testid=\"transcript-sizer\">\n<div data-rs-index=\"3\" data-index=\"3\" data-testid=\"transcript-row\" data-last-message=\"true\">\n<div class=\"rounded-lg focus-visible:shadow-focus focus-visible:outline-hidden\" tabindex=\"0\" role=\"article\" aria-setsize=\"4\" aria-posinset=\"4\" aria-label=\"Message 4 of 4\">\n<div data-test-render-count=\"1\">\n<div class=\"group group\/message-row\">\n<div class=\"group relative relative pb-[var(--msg-assistant-pb,0.75rem)]\" data-is-streaming=\"false\">\n<div class=\"font-claude-response relative leading-[1.65rem] [&amp;_pre&gt;div]:bg-bg-000\/50 [&amp;_pre&gt;div]:border-0.5 [&amp;_pre&gt;div]:border-border-400 [&amp;_.ignore-pre-bg&gt;div]:bg-transparent [&amp;_.standard-markdown_:is(p,blockquote,h1,h2,h3,h4,h5,h6)]:pl-[var(--msg-text-inset,0.5rem)] [&amp;_.standard-markdown_:is(p,blockquote,ul,ol,h1,h2,h3,h4,h5,h6)]:pr-8 [&amp;_.progressive-markdown_:is(p,blockquote,h1,h2,h3,h4,h5,h6)]:pl-[var(--msg-text-inset,0.5rem)] [&amp;_.progressive-markdown_:is(p,blockquote,ul,ol,h1,h2,h3,h4,h5,h6)]:pr-8\">\n<div>\n<div class=\"standard-markdown grid-cols-1 grid [&amp;_&gt;_*]:min-w-0 gap-3 [&amp;_&gt;_*:last-child]:mb-0 print:block print:[&amp;_&gt;_:where(:not(:first-child))]:mt-3 standard-markdown\">\n<h2 class=\"mt-3 -mb-1 text-[1.375rem] font-bold\" dir=\"ltr\">Redis \u57fa\u672c\u539f\u7406<\/h2>\n<p class=\"font-claude-response-body break-words whitespace-normal\" dir=\"ltr\">Redis\uff08Remote Dictionary Server\uff09\u672c\u8d28\u662f\u4e00\u4e2a\u57fa\u4e8e\u5185\u5b58\u7684\u9ad8\u6027\u80fd key-value \u5b58\u50a8\u7cfb\u7edf\uff0c\u53ef\u4ee5\u5f53\u6570\u636e\u5e93\u3001\u7f13\u5b58\u3001\u6d88\u606f\u4e2d\u95f4\u4ef6\u7528\u3002\u5b83\u7684\u6838\u5fc3\u8bbe\u8ba1\u76ee\u6807\u662f&#8221;\u5feb&#8221;\uff0c\u5b9e\u73b0\u8def\u5f84\u4e3b\u8981\u9760\u8fd9\u51e0\u4e2a\u652f\u67f1\uff1a\u6570\u636e\u5168\u90e8\u5728\u5185\u5b58\u91cc\u64cd\u4f5c\u3001\u5355\u7ebf\u7a0b\u907f\u514d\u5e76\u53d1\u5f00\u9500\u3001\u52a0\u4e0a\u524d\u9762\u804a\u8fc7\u7684 IO \u591a\u8def\u590d\u7528\u7f51\u7edc\u6a21\u578b\u3002\u4e0b\u9762\u6309\u51e0\u4e2a\u7ef4\u5ea6\u5c55\u5f00\u3002<\/p>\n<h3 class=\"mt-3 -mb-1 text-[1.125rem] font-bold\" dir=\"ltr\">\u6570\u636e\u7ed3\u6784\u4e0e\u5e95\u5c42\u7f16\u7801<\/h3>\n<p class=\"font-claude-response-body break-words whitespace-normal\" dir=\"ltr\">Redis \u5bf9\u5916\u66b4\u9732 5 \u79cd\u57fa\u7840\u6570\u636e\u7c7b\u578b\uff1aString\u3001Hash\u3001List\u3001Set\u3001Zset\uff08\u6709\u5e8f\u96c6\u5408\uff09\uff0c\u6b64\u5916\u8fd8\u6709 Bitmap\u3001HyperLogLog\u3001Geo\u3001Stream \u7b49\u57fa\u4e8e\u8fd9\u4e9b\u57fa\u7840\u7c7b\u578b\u5c01\u88c5\u7684\u9ad8\u7ea7\u7ed3\u6784\u3002<\/p>\n<p class=\"font-claude-response-body break-words whitespace-normal\" dir=\"ltr\">\u5173\u952e\u5728\u4e8e\u6bcf\u79cd\u7c7b\u578b\u5e95\u5c42\u4f1a\u6839\u636e\u6570\u636e\u91cf\u5927\u5c0f\u548c\u5185\u5bb9\u81ea\u52a8\u9009\u62e9\u4e0d\u540c\u7684\u7f16\u7801\u65b9\u5f0f\uff0c\u6765\u5e73\u8861\u5185\u5b58\u5360\u7528\u548c\u6027\u80fd\u3002\u6bd4\u5982 String \u5c0f\u6574\u6570\u7528 int \u7f16\u7801,\u77ed\u5b57\u7b26\u4e32\u7528 embstr\uff08\u4e00\u6b21\u5185\u5b58\u5206\u914d),\u957f\u5b57\u7b26\u4e32\u7528 raw\uff1bHash\u3001List\u3001Zset \u5728\u5143\u7d20\u5c11\u3001\u503c\u5c0f\u7684\u65f6\u5019\u7528\u538b\u7f29\u5217\u8868 ziplist \/ listpack\uff08\u7d27\u51d1\u8fde\u7eed\u5185\u5b58,\u7701\u7a7a\u95f4),\u6570\u636e\u91cf\u53d8\u5927\u540e\u81ea\u52a8\u8f6c\u6210\u54c8\u5e0c\u8868\u3001\u53cc\u5411\u94fe\u8868\uff08Redis 3.2 \u540e List \u6539\u4e3a quicklist)\u3001\u8df3\u8868\uff08skiplist\uff09\u7b49\u7ed3\u6784\uff0c\u4fdd\u8bc1\u64cd\u4f5c\u590d\u6742\u5ea6\u3002\u8fd9\u79cd&#8221;\u5c0f\u5bf9\u8c61\u7528\u7701\u5185\u5b58\u7684\u7f16\u7801\uff0c\u5927\u5bf9\u8c61\u7528\u9ad8\u6027\u80fd\u7684\u7ed3\u6784&#8221;\u7684\u81ea\u9002\u5e94\u7b56\u7565,\u662f Redis \u80fd\u540c\u65f6\u517c\u987e\u5185\u5b58\u6548\u7387\u548c\u901f\u5ea6\u7684\u5173\u952e\u4e4b\u4e00\u3002<\/p>\n<h3 class=\"mt-3 -mb-1 text-[1.125rem] font-bold\" dir=\"ltr\">\u5355\u7ebf\u7a0b\u6267\u884c\u6a21\u578b<\/h3>\n<p class=\"font-claude-response-body break-words whitespace-normal\" dir=\"ltr\">\u547d\u4ee4\u6267\u884c\u672c\u8eab\u662f\u5355\u7ebf\u7a0b\u7684\uff08\u8fd9\u4e2a\u5728\u4e0a\u4e00\u6761\u7f51\u7edc\u6a21\u578b\u91cc\u7ec6\u8bb2\u8fc7\uff09,\u6240\u6709\u547d\u4ee4\u5929\u7136\u7ebf\u6027\u5316,\u4e0d\u5b58\u5728\u5e76\u53d1\u4fee\u6539\u6570\u636e\u7ed3\u6784\u7684\u7ade\u6001\u95ee\u9898,\u4e5f\u5c31\u4e0d\u9700\u8981\u50cf\u591a\u7ebf\u7a0b\u7a0b\u5e8f\u90a3\u6837\u52a0\u9501,\u51cf\u5c11\u4e86\u4e0a\u4e0b\u6587\u5207\u6362\u548c\u9501\u7ade\u4e89\u7684\u5f00\u9500\u3002\u8fd9\u4e5f\u662f\u4e3a\u4ec0\u4e48\u5355\u6761\u547d\u4ee4\u662f\u539f\u5b50\u7684\uff0c\u4f46\u8981\u6ce8\u610f&#8221;\u539f\u5b50\u6027&#8221;\u4ec5\u9650\u5355\u6761\u547d\u4ee4\uff0c\u591a\u6761\u547d\u4ee4\u7ec4\u5408\u8d77\u6765\uff08\u5373\u4fbf\u7528\u4e86 MULTI\/EXEC \u4e8b\u52a1\uff09\u5982\u679c\u4e2d\u95f4\u5939\u4e86\u5916\u90e8\u903b\u8f91\u5224\u65ad\uff0c\u4f9d\u7136\u53ef\u80fd\u6709\u7ade\u6001\u7a97\u53e3\u3002<\/p>\n<h3 class=\"mt-3 -mb-1 text-[1.125rem] font-bold\" dir=\"ltr\">\u6301\u4e45\u5316\uff1aRDB \u4e0e AOF<\/h3>\n<p class=\"font-claude-response-body break-words whitespace-normal\" dir=\"ltr\">Redis \u6570\u636e\u5728\u5185\u5b58\u91cc,\u4f46\u8981\u9632\u6b62\u8fdb\u7a0b\u91cd\u542f\/\u5b95\u673a\u4e22\u6570\u636e,\u63d0\u4f9b\u4e24\u79cd\u6301\u4e45\u5316\u673a\u5236,\u53ef\u4ee5\u5355\u72ec\u7528\u4e5f\u53ef\u4ee5\u6df7\u5408\u7528\u3002<\/p>\n<p class=\"font-claude-response-body break-words whitespace-normal\" dir=\"ltr\">RDB\uff08\u5feb\u7167\uff09\u662f\u5728\u67d0\u4e2a\u65f6\u95f4\u70b9\u628a\u6574\u4e2a\u6570\u636e\u96c6 fork \u4e00\u4e2a\u5b50\u8fdb\u7a0b\u5199\u6210\u4e8c\u8fdb\u5236\u6587\u4ef6,\u4f18\u70b9\u662f\u6587\u4ef6\u7d27\u51d1\u3001\u6062\u590d\u901f\u5ea6\u5feb,\u7f3a\u70b9\u662f\u4e24\u6b21\u5feb\u7167\u4e4b\u95f4\u7684\u6570\u636e\u53ef\u80fd\u4e22\u5931\u3002fork \u5b50\u8fdb\u7a0b\u65f6\u5229\u7528\u4e86\u64cd\u4f5c\u7cfb\u7edf\u7684 <strong>\u5199\u65f6\u590d\u5236\uff08copy-on-write\uff09<\/strong>,\u7236\u8fdb\u7a0b\u7ee7\u7eed\u5904\u7406\u8bf7\u6c42,\u5b50\u8fdb\u7a0b\u5171\u4eab\u5185\u5b58\u9875,\u53ea\u6709\u53d1\u751f\u5199\u64cd\u4f5c\u65f6\u624d\u590d\u5236\u88ab\u4fee\u6539\u7684\u9875,\u6240\u4ee5 fork \u672c\u8eab\u5f88\u5feb,\u4e0d\u4f1a\u957f\u65f6\u95f4\u963b\u585e\u4e3b\u7ebf\u7a0b\u3002<\/p>\n<p class=\"font-claude-response-body break-words whitespace-normal\" dir=\"ltr\">AOF\uff08\u8ffd\u52a0\u65e5\u5fd7\uff09\u662f\u628a\u6bcf\u6761\u5199\u547d\u4ee4\u8ffd\u52a0\u5199\u5165\u65e5\u5fd7\u6587\u4ef6,\u91cd\u542f\u65f6\u91cd\u653e\u65e5\u5fd7\u6062\u590d\u6570\u636e,\u4f18\u70b9\u662f\u6570\u636e\u66f4\u5b8c\u6574\uff08\u53ef\u914d\u7f6e\u6bcf\u79d2\u5237\u76d8\u6216\u6bcf\u6761\u547d\u4ee4\u5237\u76d8\uff09,\u7f3a\u70b9\u662f\u6587\u4ef6\u66f4\u5927\u3001\u6062\u590d\u66f4\u6162\u3002\u4e3a\u4e86\u9632\u6b62 AOF \u6587\u4ef6\u65e0\u9650\u589e\u957f,Redis \u4f1a\u505a AOF \u91cd\u5199\uff08bgrewriteaof\uff09,\u539f\u7406\u548c RDB \u7c7b\u4f3c,fork \u5b50\u8fdb\u7a0b\u6839\u636e\u5f53\u524d\u5185\u5b58\u6570\u636e\u751f\u6210\u4e00\u4efd\u6700\u5c0f\u5316\u7684\u7b49\u6548\u547d\u4ee4\u96c6\u5408,\u66ff\u6362\u65e7\u6587\u4ef6\u3002<\/p>\n<p class=\"font-claude-response-body break-words whitespace-normal\" dir=\"ltr\">4.0 \u4e4b\u540e\u8fd8\u652f\u6301\u6df7\u5408\u6301\u4e45\u5316\uff1aAOF \u91cd\u5199\u65f6,\u6587\u4ef6\u524d\u534a\u90e8\u5206\u7528 RDB \u683c\u5f0f\u7684\u5168\u91cf\u5feb\u7167,\u540e\u9762\u8ffd\u52a0\u91cd\u5199\u8fc7\u7a0b\u4e2d\u65b0\u4ea7\u751f\u7684\u589e\u91cf\u547d\u4ee4,\u517c\u987e\u6062\u590d\u901f\u5ea6\u548c\u6570\u636e\u5b8c\u6574\u6027\u3002<\/p>\n<h3 class=\"mt-3 -mb-1 text-[1.125rem] font-bold\" dir=\"ltr\">\u8fc7\u671f\u5220\u9664\u4e0e\u5185\u5b58\u6dd8\u6c70<\/h3>\n<p class=\"font-claude-response-body break-words whitespace-normal\" dir=\"ltr\">Redis \u652f\u6301\u7ed9 key \u8bbe\u7f6e TTL\u3002\u5220\u9664\u8fc7\u671f key \u7528\u7684\u662f\u60f0\u6027\u5220\u9664 + \u5b9a\u671f\u5220\u9664\u7ed3\u5408\u7684\u7b56\u7565\uff1a\u60f0\u6027\u5220\u9664\u662f\u6bcf\u6b21\u8bbf\u95ee key \u65f6\u624d\u68c0\u67e5\u662f\u5426\u8fc7\u671f,\u8fc7\u671f\u5c31\u5220\u9664,\u597d\u5904\u662f\u4e0d\u6d6a\u8d39 CPU \u4e3b\u52a8\u8f6e\u8be2,\u574f\u5904\u662f\u5982\u679c\u4e00\u4e2a\u8fc7\u671f key \u4e00\u76f4\u6ca1\u88ab\u8bbf\u95ee,\u4f1a\u4e00\u76f4\u5360\u7740\u5185\u5b58\uff1b\u5b9a\u671f\u5220\u9664\u662f\u540e\u53f0\u5b9a\u65f6\u4efb\u52a1\uff08<code class=\"bg-text-200\/5 border border-0.5 border-border-300 text-danger-000 whitespace-pre-wrap rounded-[0.4rem] px-1 py-px text-[0.9rem]\">serverCron<\/code> \u91cc)\u968f\u673a\u62bd\u53d6\u4e00\u6279\u8bbe\u4e86\u8fc7\u671f\u65f6\u95f4\u7684 key \u68c0\u67e5,\u8fc7\u671f\u7684\u5220\u6389,\u5faa\u73af\u8be5\u8fc7\u7a0b\u76f4\u5230\u8fc7\u671f key \u6bd4\u4f8b\u964d\u5230\u9608\u503c\u4ee5\u4e0b,\u5f25\u8865\u60f0\u6027\u5220\u9664\u7684\u7a7a\u6863\u3002<\/p>\n<p class=\"font-claude-response-body break-words whitespace-normal\" dir=\"ltr\">\u5f53\u5185\u5b58\u8fbe\u5230 <code class=\"bg-text-200\/5 border border-0.5 border-border-300 text-danger-000 whitespace-pre-wrap rounded-[0.4rem] px-1 py-px text-[0.9rem]\">maxmemory<\/code> \u9650\u5236\u65f6,\u8fd8\u4f1a\u89e6\u53d1\u5185\u5b58\u6dd8\u6c70\u7b56\u7565,\u6bd4\u5982 LRU\uff08\u6dd8\u6c70\u6700\u8fd1\u6700\u5c11\u4f7f\u7528)\u3001LFU\uff08\u6dd8\u6c70\u6700\u8fd1\u4f7f\u7528\u9891\u7387\u6700\u4f4e\uff09\u3001random\u3001ttl \u4f18\u5148\u7b49,\u5177\u4f53\u7b56\u7565\u53ef\u914d\u7f6e,\u9ed8\u8ba4\u4e0d\u6dd8\u6c70\uff08\u5199\u5165\u76f4\u63a5\u62a5\u9519\uff09\u3002<\/p>\n<h3 class=\"mt-3 -mb-1 text-[1.125rem] font-bold\" dir=\"ltr\">\u590d\u5236\u4e0e\u9ad8\u53ef\u7528<\/h3>\n<p class=\"font-claude-response-body break-words whitespace-normal\" dir=\"ltr\">\u4e3b\u4ece\u590d\u5236\uff1a\u4ece\u8282\u70b9\u8fde\u4e0a\u4e3b\u8282\u70b9\u540e\u5148\u505a\u4e00\u6b21\u5168\u91cf\u540c\u6b65\uff08\u4e3b\u8282\u70b9\u751f\u6210 RDB \u5feb\u7167\u53d1\u7ed9\u4ece\u8282\u70b9,\u518d\u628a\u5feb\u7167\u751f\u6210\u671f\u95f4\u7684\u589e\u91cf\u547d\u4ee4\u901a\u8fc7 replication buffer \u53d1\u8fc7\u53bb\uff09,\u4e4b\u540e\u4e3b\u8282\u70b9\u6bcf\u6267\u884c\u4e00\u6761\u5199\u547d\u4ee4\u5c31\u5f02\u6b65\u8f6c\u53d1\u7ed9\u6240\u6709\u4ece\u8282\u70b9,\u5b9e\u73b0\u589e\u91cf\u540c\u6b65\u3002\u8fd9\u662f\u5f02\u6b65\u590d\u5236,\u6240\u4ee5\u4e3b\u4ece\u4e4b\u95f4\u5b58\u5728\u77ed\u6682\u7684\u6570\u636e\u5ef6\u8fdf,\u4e0d\u4fdd\u8bc1\u5f3a\u4e00\u81f4\u3002<\/p>\n<p class=\"font-claude-response-body break-words whitespace-normal\" dir=\"ltr\">\u5728\u6b64\u57fa\u7840\u4e0a,Redis \u63d0\u4f9b\u4e86\u4e24\u5957\u9ad8\u53ef\u7528\u65b9\u6848\uff1aSentinel\uff08\u54e8\u5175\uff09\u8d1f\u8d23\u76d1\u63a7\u4e3b\u4ece\u8282\u70b9\u5065\u5eb7\u72b6\u6001,\u4e3b\u8282\u70b9\u6545\u969c\u65f6\u81ea\u52a8\u9009\u4e3e\u4e00\u4e2a\u4ece\u8282\u70b9\u5347\u7ea7\u4e3a\u65b0\u4e3b\u8282\u70b9,\u5e76\u901a\u77e5\u5ba2\u6237\u7aef\u5207\u6362,\u89e3\u51b3\u7684\u662f\u6545\u969c\u81ea\u52a8\u8f6c\u79fb\u95ee\u9898\uff1bCluster\uff08\u96c6\u7fa4)\u5219\u662f\u6570\u636e\u5206\u7247\u65b9\u6848,\u628a 16384 \u4e2a\u54c8\u5e0c\u69fd\uff08hash slot\uff09\u5206\u5e03\u5230\u591a\u4e2a\u8282\u70b9\u4e0a,\u6bcf\u4e2a key \u901a\u8fc7 CRC16 \u8ba1\u7b97\u843d\u5230\u67d0\u4e2a\u69fd,\u4ece\u800c\u5b9e\u73b0\u6570\u636e\u7684\u6c34\u5e73\u6269\u5c55,\u540c\u65f6\u96c6\u7fa4\u5185\u6bcf\u4e2a\u5206\u7247\u4e5f\u53ef\u4ee5\u914d\u4ece\u8282\u70b9\u505a\u9ad8\u53ef\u7528\u3002<\/p>\n<h3 class=\"mt-3 -mb-1 text-[1.125rem] font-bold\" dir=\"ltr\">\u5176\u4ed6\u503c\u5f97\u4e86\u89e3\u7684\u673a\u5236<\/h3>\n<p class=\"font-claude-response-body break-words whitespace-normal\" dir=\"ltr\">\u4e8b\u52a1\uff08MULTI\/EXEC\uff09\u628a\u591a\u6761\u547d\u4ee4\u653e\u8fdb\u961f\u5217,\u4e00\u6b21\u6027\u987a\u5e8f\u6267\u884c,\u4e2d\u95f4\u4e0d\u4f1a\u88ab\u5176\u4ed6\u5ba2\u6237\u7aef\u547d\u4ee4\u63d2\u5165,\u4f46\u4e0d\u652f\u6301\u50cf\u5173\u7cfb\u578b\u6570\u636e\u5e93\u90a3\u6837\u7684\u56de\u6eda\uff1b\u53d1\u5e03\u8ba2\u9605\uff08Pub\/Sub\uff09\u63d0\u4f9b\u7b80\u5355\u7684\u6d88\u606f\u5e7f\u64ad\u80fd\u529b,\u4f46\u6d88\u606f\u4e0d\u6301\u4e45\u5316,\u8ba2\u9605\u8005\u79bb\u7ebf\u5c31\u4e22\u5931,\u5982\u679c\u9700\u8981\u6301\u4e45\u5316\u6d88\u606f\u961f\u5217\u8bed\u4e49,\u901a\u5e38\u7528 Stream \u7c7b\u578b\uff085.0 \u5f15\u5165,\u7c7b\u4f3c Kafka \u7684\u65e5\u5fd7\u7ed3\u6784,\u652f\u6301\u6d88\u8d39\u7ec4\u3001ACK\u3001\u6d88\u606f\u56de\u6eaf\uff09\u3002<\/p>\n<h3 class=\"mt-3 -mb-1 text-[1.125rem] font-bold\" dir=\"ltr\">\u4e00\u53e5\u8bdd\u603b\u7ed3<\/h3>\n<p class=\"font-claude-response-body break-words whitespace-normal\" dir=\"ltr\">Redis \u5feb\u662f&#8221;\u5185\u5b58\u64cd\u4f5c + \u9ad8\u6548\u6570\u636e\u7ed3\u6784\u7f16\u7801 + \u5355\u7ebf\u7a0b\u65e0\u9501\u6267\u884c + IO \u591a\u8def\u590d\u7528&#8221;\u8fd9\u51e0\u4ef6\u4e8b\u53e0\u52a0\u7684\u7ed3\u679c\uff1b\u5b83\u7684\u53ef\u9760\u6027\u9760 RDB\/AOF \u6301\u4e45\u5316\u515c\u5e95,\u53ef\u7528\u6027\u548c\u6269\u5c55\u6027\u9760\u4e3b\u4ece\u590d\u5236\u3001\u54e8\u5175\u3001\u96c6\u7fa4\u8fd9\u4e00\u6574\u5957\u673a\u5236\u8865\u9f50\u3002<\/p>\n<p class=\"font-claude-response-body break-words whitespace-normal\" dir=\"ltr\">\u5982\u679c\u4f60\u60f3\u6df1\u5165\u67d0\u4e00\u5757,\u6bd4\u5982 RDB\/AOF \u7684\u5177\u4f53\u89e6\u53d1\u65f6\u673a\u548c\u914d\u7f6e\u9879\u3001\u96c6\u7fa4\u7684\u69fd\u4f4d\u8fc1\u79fb\u548c\u8bf7\u6c42\u91cd\u5b9a\u5411\uff08MOVED\/ASK\uff09\u3001\u7f13\u5b58\u7a7f\u900f\/\u51fb\u7a7f\/\u96ea\u5d29\u8fd9\u7c7b\u5de5\u7a0b\u95ee\u9898,\u6216\u8005\u8df3\u8868\u4e3a\u4ec0\u4e48\u7528\u5728 Zset \u4e0a\u800c\u4e0d\u7528\u7ea2\u9ed1\u6811,\u53ef\u4ee5\u544a\u8bc9\u6211\u65b9\u5411,\u6211\u53ef\u4ee5\u518d\u5c55\u5f00\u3002<\/p>\n<\/div>\n<\/div>\n<\/div>\n<\/div>\n<\/div>\n<\/div>\n<\/div>\n<\/div>\n<div aria-hidden=\"true\" data-testid=\"transcript-spacer\"><\/div>\n<\/div>\n<\/div>\n<div data-testid=\"transcript-trailing\">\n<div><\/div>\n<\/div>\n<div class=\"h-px w-full pointer-events-none\" aria-hidden=\"true\" data-testid=\"last-message-sentinel\"><\/div>\n","protected":false},"excerpt":{"rendered":"<p>Redis 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