{"id":39975,"date":"2025-05-27T02:16:17","date_gmt":"2025-05-26T18:16:17","guid":{"rendered":"https:\/\/www.wsisp.com\/helps\/39975.html"},"modified":"2025-05-27T02:16:17","modified_gmt":"2025-05-26T18:16:17","slug":"redis%e6%9c%8d%e5%8a%a1%e5%99%a8%e6%96%ad%e7%94%b5%e5%90%8e%e6%81%a2%e5%a4%8d%e6%95%b0%e6%8d%ae%e7%9a%84%e5%ba%95%e5%b1%82%e5%ae%9e%e7%8e%b0%e6%98%af%e6%80%8e%e6%a0%b7%e7%9a%84%ef%bc%9f","status":"publish","type":"post","link":"https:\/\/www.wsisp.com\/helps\/39975.html","title":{"rendered":"redis\u670d\u52a1\u5668\u65ad\u7535\u540e\u6062\u590d\u6570\u636e\u7684\u5e95\u5c42\u5b9e\u73b0\u662f\u600e\u6837\u7684\uff1f"},"content":{"rendered":"<h4>\u7b2c\u4e00\u90e8\u5206&#xff1a;Redis \u65ad\u7535\u540e\u6062\u590d\u6570\u636e\u7684\u5e95\u5c42\u5b9e\u73b0\u662f\u600e\u6837\u7684&#xff1f;<\/h4>\n<h5>1. Redis \u6062\u590d\u6570\u636e\u5c31\u50cf\u73a9\u5177\u5de5\u5382\u91cc\u7684\u201c\u91cd\u65b0\u7ec4\u88c5\u201d<\/h5>\n<ul>\n<li>\u751f\u6d3b\u4e2d\u7684\u4f8b\u5b50&#xff1a; \u60f3\u8c61\u4e00\u4e0b&#xff0c;\u4f60\u5728\u4e00\u5bb6\u73a9\u5177\u5de5\u5382\u5de5\u4f5c\u3002\u5de5\u5382\u91cc\u6709\u4e00\u4e2a\u5de5\u4eba&#xff08;\u76f8\u5f53\u4e8e Redis&#xff09;\u8d1f\u8d23\u7ec4\u88c5\u73a9\u5177&#xff1a;\n<ul>\n<li>\u5982\u679c\u5de5\u5382\u7a81\u7136\u65ad\u7535\u4e86&#xff0c;\u5de5\u4eba\u4eec\u624b\u5934\u6b63\u5728\u505a\u7684\u96f6\u4ef6\u4f1a\u6563\u843d\u4e00\u5730\u3002<\/li>\n<li>\u5f53\u7535\u529b\u6062\u590d\u540e&#xff0c;\u5de5\u4eba\u4eec\u9700\u8981\u6839\u636e\u4e4b\u524d\u7684\u8bb0\u5f55&#xff08;\u76f8\u5f53\u4e8e\u6301\u4e45\u5316\u6587\u4ef6&#xff09;&#xff0c;\u91cd\u65b0\u7ec4\u88c5\u73a9\u5177\u3002<\/li>\n<li>\u5de5\u5382\u6709\u4e24\u79cd\u8bb0\u5f55\u65b9\u5f0f&#xff1a;\n<ul>\n<li>\u5feb\u7167\u8bb0\u5f55&#xff1a;\u8bb0\u5f55\u6bcf\u4e2a\u65f6\u95f4\u70b9\u7684\u5b8c\u6574\u73a9\u5177\u72b6\u6001\u3002<\/li>\n<li>\u64cd\u4f5c\u65e5\u5fd7&#xff1a;\u8bb0\u5f55\u6bcf\u4e2a\u96f6\u4ef6\u7684\u64cd\u4f5c\u6b65\u9aa4\u3002<\/li>\n<\/ul>\n<\/li>\n<li>\u5728 Redis \u4e2d&#xff0c;\u8fd9\u4e24\u79cd\u8bb0\u5f55\u65b9\u5f0f\u5206\u522b\u662f RDB&#xff08;\u5feb\u7167&#xff09;\u548c AOF&#xff08;\u8ffd\u52a0\u65e5\u5fd7&#xff09;\u3002<\/li>\n<\/ul>\n<\/li>\n<li>\u5728\u7f16\u7a0b\u91cc&#xff1a;\n<ul>\n<li>Redis \u4f7f\u7528\u4e24\u79cd\u6301\u4e45\u5316\u673a\u5236&#xff08;RDB \u548c AOF&#xff09;\u6765\u4fdd\u5b58\u6570\u636e\u3002<\/li>\n<li>\u65ad\u7535\u540e&#xff0c;Redis \u901a\u8fc7\u8bfb\u53d6\u8fd9\u4e9b\u6301\u4e45\u5316\u6587\u4ef6\u6062\u590d\u6570\u636e\u3002<\/li>\n<\/ul>\n<\/li>\n<\/ul>\n<hr \/>\n<h4>\u7b2c\u4e8c\u90e8\u5206&#xff1a;\u5305\u542b\u54ea\u4e9b\u90e8\u5206&#xff1f;<\/h4>\n<h5>1. \u4e3b\u8981\u7ec4\u6210\u90e8\u5206<\/h5>\n<li>RDB \u6587\u4ef6\n<ul>\n<li>\u5b58\u50a8\u67d0\u4e2a\u65f6\u95f4\u70b9\u7684\u5b8c\u6574\u6570\u636e\u5feb\u7167\u3002<\/li>\n<\/ul>\n<\/li>\n<li>AOF \u6587\u4ef6\n<ul>\n<li>\u8bb0\u5f55\u6240\u6709\u5199\u64cd\u4f5c\u7684\u65e5\u5fd7\u3002<\/li>\n<\/ul>\n<\/li>\n<li>\u6301\u4e45\u5316\u673a\u5236\n<ul>\n<li>\u5b9a\u671f\u751f\u6210 RDB \u6587\u4ef6\u6216\u5b9e\u65f6\u5199\u5165 AOF \u65e5\u5fd7\u3002<\/li>\n<\/ul>\n<\/li>\n<li>\u6062\u590d\u673a\u5236\n<ul>\n<li>\u65ad\u7535\u540e\u8bfb\u53d6 RDB \u6216 AOF \u6587\u4ef6\u6062\u590d\u6570\u636e\u3002<\/li>\n<\/ul>\n<\/li>\n<hr \/>\n<h4>\u7b2c\u4e09\u90e8\u5206&#xff1a;\u80cc\u540e\u5230\u5e95\u505a\u4e86\u54ea\u4e9b\u4e8b\u60c5&#xff1f;<\/h4>\n<h5>1. \u6838\u5fc3\u601d\u60f3<\/h5>\n<ul>\n<li>RDB \u5feb\u7167&#xff1a;\n<ul>\n<li>\u5b9a\u671f\u4fdd\u5b58\u5b8c\u6574\u7684\u5185\u5b58\u6570\u636e\u5230\u78c1\u76d8\u3002<\/li>\n<\/ul>\n<\/li>\n<li>AOF \u65e5\u5fd7&#xff1a;\n<ul>\n<li>\u5b9e\u65f6\u8bb0\u5f55\u6bcf\u4e2a\u5199\u64cd\u4f5c&#xff0c;\u786e\u4fdd\u6570\u636e\u4e0d\u4e22\u5931\u3002<\/li>\n<\/ul>\n<\/li>\n<li>\u6062\u590d\u8fc7\u7a0b&#xff1a;\n<ul>\n<li>\u65ad\u7535\u540e&#xff0c;\u4f18\u5148\u4f7f\u7528 AOF \u6587\u4ef6\u6062\u590d\u6570\u636e&#xff1b;\u5982\u679c\u6ca1\u6709 AOF&#xff0c;\u5219\u4f7f\u7528 RDB \u6587\u4ef6\u3002<\/li>\n<\/ul>\n<\/li>\n<\/ul>\n<h5>2. \u5e95\u5c42\u5b9e\u73b0<\/h5>\n<ul>\n<li>RDB \u6587\u4ef6\u751f\u6210&#xff1a;\n<ul>\n<li>\u901a\u8fc7 SAVE \u6216 BGSAVE \u547d\u4ee4\u751f\u6210\u5feb\u7167\u3002<\/li>\n<\/ul>\n<\/li>\n<li>AOF \u6587\u4ef6\u5199\u5165&#xff1a;\n<ul>\n<li>\u6bcf\u6b21\u5199\u64cd\u4f5c\u90fd\u4f1a\u8ffd\u52a0\u5230 AOF \u6587\u4ef6\u4e2d\u3002<\/li>\n<\/ul>\n<\/li>\n<li>\u6570\u636e\u6062\u590d&#xff1a;\n<ul>\n<li>\u542f\u52a8\u65f6\u8bfb\u53d6\u6301\u4e45\u5316\u6587\u4ef6&#xff0c;\u91cd\u65b0\u52a0\u8f7d\u6570\u636e\u5230\u5185\u5b58\u3002<\/li>\n<\/ul>\n<\/li>\n<\/ul>\n<hr \/>\n<h4>\u7b2c\u56db\u90e8\u5206&#xff1a;\u793a\u4f8b\u4ee3\u7801\u4e0e\u8be6\u7ec6\u8bb2\u89e3<\/h4>\n<h5>1. \u793a\u4f8b\u4ee3\u7801&#xff1a;\u6a21\u62df Redis \u6301\u4e45\u5316\u548c\u6062\u590d\u7684\u8fc7\u7a0b<\/h5>\n<p><span class=\"token delimiter important\">&lt;?php<\/span><\/p>\n<p><span class=\"token comment\">\/\/ \u7b2c\u4e00\u6b65&#xff1a;\u5b9a\u4e49\u4e00\u4e2a Redis \u6a21\u62df\u7c7b<\/span><br \/>\n<span class=\"token keyword\">class<\/span> <span class=\"token class-name-definition class-name\">RedisSimulator<\/span> <span class=\"token punctuation\">{<\/span><br \/>\n    <span class=\"token keyword\">private<\/span> <span class=\"token variable\">$memory<\/span><span class=\"token punctuation\">;<\/span> <span class=\"token comment\">\/\/ \u5185\u5b58\u6570\u636e<\/span><br \/>\n    <span class=\"token keyword\">private<\/span> <span class=\"token variable\">$rdbFile<\/span><span class=\"token punctuation\">;<\/span> <span class=\"token comment\">\/\/ RDB \u6587\u4ef6<\/span><br \/>\n    <span class=\"token keyword\">private<\/span> <span class=\"token variable\">$aofFile<\/span><span class=\"token punctuation\">;<\/span> <span class=\"token comment\">\/\/ AOF \u6587\u4ef6<\/span><\/p>\n<p>    <span class=\"token keyword\">public<\/span> <span class=\"token keyword\">function<\/span> <span class=\"token function-definition function\">__construct<\/span><span class=\"token punctuation\">(<\/span><span class=\"token punctuation\">)<\/span> <span class=\"token punctuation\">{<\/span><br \/>\n        <span class=\"token variable\">$this<\/span><span class=\"token operator\">-&gt;<\/span><span class=\"token property\">memory<\/span> <span class=\"token operator\">&#061;<\/span> <span class=\"token punctuation\">[<\/span><span class=\"token punctuation\">]<\/span><span class=\"token punctuation\">;<\/span><br \/>\n        <span class=\"token variable\">$this<\/span><span class=\"token operator\">-&gt;<\/span><span class=\"token property\">rdbFile<\/span> <span class=\"token operator\">&#061;<\/span> <span class=\"token punctuation\">[<\/span><span class=\"token punctuation\">]<\/span><span class=\"token punctuation\">;<\/span><br \/>\n        <span class=\"token variable\">$this<\/span><span class=\"token operator\">-&gt;<\/span><span class=\"token property\">aofFile<\/span> <span class=\"token operator\">&#061;<\/span> <span class=\"token punctuation\">[<\/span><span class=\"token punctuation\">]<\/span><span class=\"token punctuation\">;<\/span><br \/>\n        <span class=\"token keyword\">echo<\/span> <span class=\"token string double-quoted-string\">&#034;Redis \u6a21\u62df\u5668\u521d\u59cb\u5316\u5b8c\u6210\u3002\\\\n&#034;<\/span><span class=\"token punctuation\">;<\/span><br \/>\n    <span class=\"token punctuation\">}<\/span><\/p>\n<p>    <span class=\"token comment\">\/\/ \u5199\u5165\u6570\u636e\u5230\u5185\u5b58<\/span><br \/>\n    <span class=\"token keyword\">public<\/span> <span class=\"token keyword\">function<\/span> <span class=\"token function-definition function\">set<\/span><span class=\"token punctuation\">(<\/span><span class=\"token variable\">$key<\/span><span class=\"token punctuation\">,<\/span> <span class=\"token variable\">$value<\/span><span class=\"token punctuation\">)<\/span> <span class=\"token punctuation\">{<\/span><br \/>\n        <span class=\"token keyword\">echo<\/span> <span class=\"token string double-quoted-string\">&#034;\u5199\u5165\u6570\u636e\u5230\u5185\u5b58&#xff1a;<span class=\"token interpolation\"><span class=\"token punctuation\">{<\/span><span class=\"token variable\">$key<\/span><span class=\"token punctuation\">}<\/span><\/span> &#061;&gt; <span class=\"token interpolation\"><span class=\"token punctuation\">{<\/span><span class=\"token variable\">$value<\/span><span class=\"token punctuation\">}<\/span><\/span>\\\\n&#034;<\/span><span class=\"token punctuation\">;<\/span><br \/>\n        <span class=\"token variable\">$this<\/span><span class=\"token operator\">-&gt;<\/span><span class=\"token property\">memory<\/span><span class=\"token punctuation\">[<\/span><span class=\"token variable\">$key<\/span><span class=\"token punctuation\">]<\/span> <span class=\"token operator\">&#061;<\/span> <span class=\"token variable\">$value<\/span><span class=\"token punctuation\">;<\/span><\/p>\n<p>        <span class=\"token comment\">\/\/ \u8bb0\u5f55\u5230 AOF \u6587\u4ef6<\/span><br \/>\n        <span class=\"token variable\">$this<\/span><span class=\"token operator\">-&gt;<\/span><span class=\"token property\">aofFile<\/span><span class=\"token punctuation\">[<\/span><span class=\"token punctuation\">]<\/span> <span class=\"token operator\">&#061;<\/span> <span class=\"token string double-quoted-string\">&#034;SET <span class=\"token interpolation\"><span class=\"token punctuation\">{<\/span><span class=\"token variable\">$key<\/span><span class=\"token punctuation\">}<\/span><\/span> <span class=\"token interpolation\"><span class=\"token punctuation\">{<\/span><span class=\"token variable\">$value<\/span><span class=\"token punctuation\">}<\/span><\/span>&#034;<\/span><span class=\"token punctuation\">;<\/span><br \/>\n        <span class=\"token keyword\">echo<\/span> <span class=\"token string double-quoted-string\">&#034;\u64cd\u4f5c\u5df2\u8bb0\u5f55\u5230 AOF \u6587\u4ef6\u3002\\\\n&#034;<\/span><span class=\"token punctuation\">;<\/span><br \/>\n    <span class=\"token punctuation\">}<\/span><\/p>\n<p>    <span class=\"token comment\">\/\/ \u751f\u6210 RDB \u5feb\u7167<\/span><br \/>\n    <span class=\"token keyword\">public<\/span> <span class=\"token keyword\">function<\/span> <span class=\"token function-definition function\">saveSnapshot<\/span><span class=\"token punctuation\">(<\/span><span class=\"token punctuation\">)<\/span> <span class=\"token punctuation\">{<\/span><br \/>\n        <span class=\"token keyword\">echo<\/span> <span class=\"token string double-quoted-string\">&#034;\u6b63\u5728\u751f\u6210 RDB \u5feb\u7167&#8230;\\\\n&#034;<\/span><span class=\"token punctuation\">;<\/span><br \/>\n        <span class=\"token variable\">$this<\/span><span class=\"token operator\">-&gt;<\/span><span class=\"token property\">rdbFile<\/span> <span class=\"token operator\">&#061;<\/span> <span class=\"token variable\">$this<\/span><span class=\"token operator\">-&gt;<\/span><span class=\"token property\">memory<\/span><span class=\"token punctuation\">;<\/span><br \/>\n        <span class=\"token keyword\">echo<\/span> <span class=\"token string double-quoted-string\">&#034;RDB \u5feb\u7167\u5df2\u751f\u6210\u3002\\\\n&#034;<\/span><span class=\"token punctuation\">;<\/span><br \/>\n    <span class=\"token punctuation\">}<\/span><\/p>\n<p>    <span class=\"token comment\">\/\/ \u6a21\u62df\u65ad\u7535<\/span><br \/>\n    <span class=\"token keyword\">public<\/span> <span class=\"token keyword\">function<\/span> <span class=\"token function-definition function\">powerFailure<\/span><span class=\"token punctuation\">(<\/span><span class=\"token punctuation\">)<\/span> <span class=\"token punctuation\">{<\/span><br \/>\n        <span class=\"token keyword\">echo<\/span> <span class=\"token string double-quoted-string\">&#034;\\\\n&#061;&#061;&#061; \u6a21\u62df\u65ad\u7535 &#061;&#061;&#061;\\\\n&#034;<\/span><span class=\"token punctuation\">;<\/span><br \/>\n        <span class=\"token variable\">$this<\/span><span class=\"token operator\">-&gt;<\/span><span class=\"token property\">memory<\/span> <span class=\"token operator\">&#061;<\/span> <span class=\"token punctuation\">[<\/span><span class=\"token punctuation\">]<\/span><span class=\"token punctuation\">;<\/span><br \/>\n        <span class=\"token keyword\">echo<\/span> <span class=\"token string double-quoted-string\">&#034;\u65ad\u7535\u5bfc\u81f4\u5185\u5b58\u6570\u636e\u4e22\u5931\u3002\\\\n&#034;<\/span><span class=\"token punctuation\">;<\/span><br \/>\n    <span class=\"token punctuation\">}<\/span><\/p>\n<p>    <span class=\"token comment\">\/\/ \u6062\u590d\u6570\u636e<\/span><br \/>\n    <span class=\"token keyword\">public<\/span> <span class=\"token keyword\">function<\/span> <span class=\"token function-definition function\">recoverData<\/span><span class=\"token punctuation\">(<\/span><span class=\"token punctuation\">)<\/span> <span class=\"token punctuation\">{<\/span><br \/>\n        <span class=\"token keyword\">echo<\/span> <span class=\"token string double-quoted-string\">&#034;\\\\n&#061;&#061;&#061; \u6570\u636e\u6062\u590d &#061;&#061;&#061;\\\\n&#034;<\/span><span class=\"token punctuation\">;<\/span><\/p>\n<p>        <span class=\"token comment\">\/\/ \u4f18\u5148\u4f7f\u7528 AOF \u6587\u4ef6\u6062\u590d<\/span><br \/>\n        <span class=\"token keyword\">if<\/span> <span class=\"token punctuation\">(<\/span><span class=\"token operator\">!<\/span><span class=\"token keyword\">empty<\/span><span class=\"token punctuation\">(<\/span><span class=\"token variable\">$this<\/span><span class=\"token operator\">-&gt;<\/span><span class=\"token property\">aofFile<\/span><span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">)<\/span> <span class=\"token punctuation\">{<\/span><br \/>\n            <span class=\"token keyword\">echo<\/span> <span class=\"token string double-quoted-string\">&#034;\u6b63\u5728\u901a\u8fc7 AOF \u6587\u4ef6\u6062\u590d\u6570\u636e&#8230;\\\\n&#034;<\/span><span class=\"token punctuation\">;<\/span><br \/>\n            <span class=\"token keyword\">foreach<\/span> <span class=\"token punctuation\">(<\/span><span class=\"token variable\">$this<\/span><span class=\"token operator\">-&gt;<\/span><span class=\"token property\">aofFile<\/span> <span class=\"token keyword\">as<\/span> <span class=\"token variable\">$log<\/span><span class=\"token punctuation\">)<\/span> <span class=\"token punctuation\">{<\/span><br \/>\n                <span class=\"token keyword\">list<\/span><span class=\"token punctuation\">(<\/span><span class=\"token variable\">$command<\/span><span class=\"token punctuation\">,<\/span> <span class=\"token variable\">$key<\/span><span class=\"token punctuation\">,<\/span> <span class=\"token variable\">$value<\/span><span class=\"token punctuation\">)<\/span> <span class=\"token operator\">&#061;<\/span> <span class=\"token function\">explode<\/span><span class=\"token punctuation\">(<\/span><span class=\"token string single-quoted-string\">&#039; &#039;<\/span><span class=\"token punctuation\">,<\/span> <span class=\"token variable\">$log<\/span><span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">;<\/span><br \/>\n                <span class=\"token keyword\">if<\/span> <span class=\"token punctuation\">(<\/span><span class=\"token variable\">$command<\/span> <span class=\"token operator\">&#061;&#061;&#061;<\/span> <span class=\"token string single-quoted-string\">&#039;SET&#039;<\/span><span class=\"token punctuation\">)<\/span> <span class=\"token punctuation\">{<\/span><br \/>\n                    <span class=\"token variable\">$this<\/span><span class=\"token operator\">-&gt;<\/span><span class=\"token property\">memory<\/span><span class=\"token punctuation\">[<\/span><span class=\"token variable\">$key<\/span><span class=\"token punctuation\">]<\/span> <span class=\"token operator\">&#061;<\/span> <span class=\"token variable\">$value<\/span><span class=\"token punctuation\">;<\/span><br \/>\n                    <span class=\"token keyword\">echo<\/span> <span class=\"token string double-quoted-string\">&#034;\u6062\u590d\u6570\u636e&#xff1a;<span class=\"token interpolation\"><span class=\"token punctuation\">{<\/span><span class=\"token variable\">$key<\/span><span class=\"token punctuation\">}<\/span><\/span> &#061;&gt; <span class=\"token interpolation\"><span class=\"token punctuation\">{<\/span><span class=\"token variable\">$value<\/span><span class=\"token punctuation\">}<\/span><\/span>\\\\n&#034;<\/span><span class=\"token punctuation\">;<\/span><br \/>\n                <span class=\"token punctuation\">}<\/span><br \/>\n            <span class=\"token punctuation\">}<\/span><br \/>\n        <span class=\"token punctuation\">}<\/span> <span class=\"token keyword\">elseif<\/span> <span class=\"token punctuation\">(<\/span><span class=\"token operator\">!<\/span><span class=\"token keyword\">empty<\/span><span class=\"token punctuation\">(<\/span><span class=\"token variable\">$this<\/span><span class=\"token operator\">-&gt;<\/span><span class=\"token property\">rdbFile<\/span><span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">)<\/span> <span class=\"token punctuation\">{<\/span><br \/>\n            <span class=\"token comment\">\/\/ \u5982\u679c\u6ca1\u6709 AOF \u6587\u4ef6&#xff0c;\u5219\u4f7f\u7528 RDB \u6587\u4ef6\u6062\u590d<\/span><br \/>\n            <span class=\"token keyword\">echo<\/span> <span class=\"token string double-quoted-string\">&#034;\u6b63\u5728\u901a\u8fc7 RDB \u6587\u4ef6\u6062\u590d\u6570\u636e&#8230;\\\\n&#034;<\/span><span class=\"token punctuation\">;<\/span><br \/>\n            <span class=\"token variable\">$this<\/span><span class=\"token operator\">-&gt;<\/span><span class=\"token property\">memory<\/span> <span class=\"token operator\">&#061;<\/span> <span class=\"token variable\">$this<\/span><span class=\"token operator\">-&gt;<\/span><span class=\"token property\">rdbFile<\/span><span class=\"token punctuation\">;<\/span><br \/>\n            <span class=\"token keyword\">foreach<\/span> <span class=\"token punctuation\">(<\/span><span class=\"token variable\">$this<\/span><span class=\"token operator\">-&gt;<\/span><span class=\"token property\">memory<\/span> <span class=\"token keyword\">as<\/span> <span class=\"token variable\">$key<\/span> <span class=\"token operator\">&#061;&gt;<\/span> <span class=\"token variable\">$value<\/span><span class=\"token punctuation\">)<\/span> <span class=\"token punctuation\">{<\/span><br \/>\n                <span class=\"token keyword\">echo<\/span> <span class=\"token string double-quoted-string\">&#034;\u6062\u590d\u6570\u636e&#xff1a;<span class=\"token interpolation\"><span class=\"token punctuation\">{<\/span><span class=\"token variable\">$key<\/span><span class=\"token punctuation\">}<\/span><\/span> &#061;&gt; <span class=\"token interpolation\"><span class=\"token punctuation\">{<\/span><span class=\"token variable\">$value<\/span><span class=\"token punctuation\">}<\/span><\/span>\\\\n&#034;<\/span><span class=\"token punctuation\">;<\/span><br \/>\n            <span class=\"token punctuation\">}<\/span><br \/>\n        <span class=\"token punctuation\">}<\/span> <span class=\"token keyword\">else<\/span> <span class=\"token punctuation\">{<\/span><br \/>\n            <span class=\"token keyword\">echo<\/span> <span class=\"token string double-quoted-string\">&#034;\u6ca1\u6709\u6301\u4e45\u5316\u6587\u4ef6&#xff0c;\u65e0\u6cd5\u6062\u590d\u6570\u636e\u3002\\\\n&#034;<\/span><span class=\"token punctuation\">;<\/span><br \/>\n        <span class=\"token punctuation\">}<\/span><br \/>\n    <span class=\"token punctuation\">}<\/span><br \/>\n<span class=\"token punctuation\">}<\/span><\/p>\n<p><span class=\"token comment\">\/\/ \u7b2c\u4e8c\u6b65&#xff1a;\u6a21\u62df Redis \u7684\u6301\u4e45\u5316\u548c\u6062\u590d\u8fc7\u7a0b<\/span><br \/>\n<span class=\"token variable\">$redis<\/span> <span class=\"token operator\">&#061;<\/span> <span class=\"token keyword\">new<\/span> <span class=\"token class-name\">RedisSimulator<\/span><span class=\"token punctuation\">(<\/span><span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">;<\/span><\/p>\n<p><span class=\"token keyword\">echo<\/span> <span class=\"token string double-quoted-string\">&#034;\\\\n&#061;&#061;&#061; \u6a21\u62df Redis \u6301\u4e45\u5316\u548c\u6062\u590d &#061;&#061;&#061;\\\\n&#034;<\/span><span class=\"token punctuation\">;<\/span><\/p>\n<p><span class=\"token comment\">\/\/ \u5199\u5165\u6570\u636e<\/span><br \/>\n<span class=\"token variable\">$redis<\/span><span class=\"token operator\">-&gt;<\/span><span class=\"token function\">set<\/span><span class=\"token punctuation\">(<\/span><span class=\"token string single-quoted-string\">&#039;name&#039;<\/span><span class=\"token punctuation\">,<\/span> <span class=\"token string single-quoted-string\">&#039;Alice&#039;<\/span><span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">;<\/span><br \/>\n<span class=\"token variable\">$redis<\/span><span class=\"token operator\">-&gt;<\/span><span class=\"token function\">set<\/span><span class=\"token punctuation\">(<\/span><span class=\"token string single-quoted-string\">&#039;age&#039;<\/span><span class=\"token punctuation\">,<\/span> <span class=\"token number\">25<\/span><span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">;<\/span><\/p>\n<p><span class=\"token comment\">\/\/ \u751f\u6210 RDB \u5feb\u7167<\/span><br \/>\n<span class=\"token variable\">$redis<\/span><span class=\"token operator\">-&gt;<\/span><span class=\"token function\">saveSnapshot<\/span><span class=\"token punctuation\">(<\/span><span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">;<\/span><\/p>\n<p><span class=\"token comment\">\/\/ \u6a21\u62df\u65ad\u7535<\/span><br \/>\n<span class=\"token variable\">$redis<\/span><span class=\"token operator\">-&gt;<\/span><span class=\"token function\">powerFailure<\/span><span class=\"token punctuation\">(<\/span><span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">;<\/span><\/p>\n<p><span class=\"token comment\">\/\/ \u6062\u590d\u6570\u636e<\/span><br \/>\n<span class=\"token variable\">$redis<\/span><span class=\"token operator\">-&gt;<\/span><span class=\"token function\">recoverData<\/span><span class=\"token punctuation\">(<\/span><span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">;<\/span><\/p>\n<p>\u4e3a\u4ec0\u4e48\u8981\u8fd9\u6837\u5199&#xff1f;<\/p>\n<ul>\n<li>\u7b2c\u4e00\u6b65&#xff1a;\u5b9a\u4e49\u4e00\u4e2a RedisSimulator \u7c7b&#xff0c;\u6a21\u62df Redis \u7684\u6301\u4e45\u5316\u548c\u6062\u590d\u529f\u80fd\u3002<\/li>\n<li>\u7b2c\u4e8c\u6b65&#xff1a;\u603b\u7ed3 Redis \u6062\u590d\u6570\u636e\u7684\u6838\u5fc3\u4f5c\u7528&#xff0c;\u5c55\u793a\u5176\u672c\u8d28\u3002<\/li>\n<\/ul>\n<h6>\u80cc\u540e\u53d1\u751f\u4e86\u4ec0\u4e48&#xff1f;<\/h6>\n<li>\u5199\u5165\u6570\u636e&#xff1a;\n<ul>\n<li>\u6570\u636e\u88ab\u5199\u5165\u5185\u5b58&#xff0c;\u5e76\u8bb0\u5f55\u5230 AOF \u6587\u4ef6\u3002<\/li>\n<\/ul>\n<\/li>\n<li>\u751f\u6210\u5feb\u7167&#xff1a;\n<ul>\n<li>\u5b9a\u671f\u5c06\u5185\u5b58\u6570\u636e\u4fdd\u5b58\u5230 RDB \u6587\u4ef6\u3002<\/li>\n<\/ul>\n<\/li>\n<li>\u65ad\u7535\u5904\u7406&#xff1a;\n<ul>\n<li>\u6a21\u62df\u65ad\u7535\u5bfc\u81f4\u5185\u5b58\u6570\u636e\u4e22\u5931\u3002<\/li>\n<\/ul>\n<\/li>\n<li>\u6570\u636e\u6062\u590d&#xff1a;\n<ul>\n<li>\u4f18\u5148\u4f7f\u7528 AOF \u6587\u4ef6\u6062\u590d\u6570\u636e&#xff1b;\u5982\u679c\u6ca1\u6709 AOF&#xff0c;\u5219\u4f7f\u7528 RDB \u6587\u4ef6\u3002<\/li>\n<\/ul>\n<\/li>\n<li>\u603b\u7ed3\u6838\u5fc3\u4f5c\u7528&#xff1a;\n<ul>\n<li>\u5c55\u793a Redis \u5982\u4f55\u901a\u8fc7\u6301\u4e45\u5316\u6587\u4ef6\u5728\u65ad\u7535\u540e\u6062\u590d\u6570\u636e\u3002<\/li>\n<\/ul>\n<\/li>\n<hr \/>\n<h4>\u7b2c\u4e94\u90e8\u5206&#xff1a;\u4f7f\u7528\u573a\u666f<\/h4>\n<h5>1. \u6570\u636e\u5907\u4efd<\/h5>\n<ul>\n<li>\u4f7f\u7528 RDB \u5feb\u7167\u5b9a\u671f\u5907\u4efd\u6570\u636e\u3002<\/li>\n<li>\u4f8b\u5982&#xff1a;\u6bcf\u5929\u51cc\u6668\u751f\u6210\u4e00\u6b21\u5feb\u7167\u3002<\/li>\n<\/ul>\n<h5>2. \u6570\u636e\u6062\u590d<\/h5>\n<ul>\n<li>\u65ad\u7535\u6216\u6545\u969c\u540e&#xff0c;\u4f7f\u7528\u6301\u4e45\u5316\u6587\u4ef6\u6062\u590d\u6570\u636e\u3002<\/li>\n<li>\u4f8b\u5982&#xff1a;\u670d\u52a1\u5668\u91cd\u542f\u540e\u6062\u590d\u7528\u6237\u4f1a\u8bdd\u6570\u636e\u3002<\/li>\n<\/ul>\n<h5>3. \u9ad8\u53ef\u9760\u6027\u9700\u6c42<\/h5>\n<ul>\n<li>\u4f7f\u7528 AOF \u65e5\u5fd7\u786e\u4fdd\u6570\u636e\u4e0d\u4e22\u5931\u3002<\/li>\n<li>\u4f8b\u5982&#xff1a;\u91d1\u878d\u4ea4\u6613\u7cfb\u7edf\u4e2d\u7684\u8ba2\u5355\u6570\u636e\u3002<\/li>\n<\/ul>\n<hr \/>\n<h4>\u7b2c\u516d\u90e8\u5206&#xff1a;\u5e95\u5c42\u539f\u7406<\/h4>\n<h5>1. RDB \u5feb\u7167<\/h5>\n<ul>\n<li>\u5185\u5b58\u8f6c\u50a8&#xff1a;\n<ul>\n<li>\u5c06\u5185\u5b58\u4e2d\u7684\u6570\u636e\u5e8f\u5217\u5316\u5e76\u4fdd\u5b58\u5230\u78c1\u76d8\u3002<\/li>\n<\/ul>\n<\/li>\n<li>\u538b\u7f29\u5b58\u50a8&#xff1a;\n<ul>\n<li>RDB \u6587\u4ef6\u7ecf\u8fc7\u538b\u7f29&#xff0c;\u5360\u7528\u7a7a\u95f4\u8f83\u5c0f\u3002<\/li>\n<\/ul>\n<\/li>\n<\/ul>\n<h5>2. AOF \u65e5\u5fd7<\/h5>\n<ul>\n<li>\u8ffd\u52a0\u5199\u5165&#xff1a;\n<ul>\n<li>\u6bcf\u6b21\u5199\u64cd\u4f5c\u90fd\u4f1a\u8ffd\u52a0\u5230 AOF \u6587\u4ef6\u4e2d\u3002<\/li>\n<\/ul>\n<\/li>\n<li>\u91cd\u5199\u4f18\u5316&#xff1a;\n<ul>\n<li>\u5b9a\u671f\u5bf9 AOF \u6587\u4ef6\u8fdb\u884c\u91cd\u5199&#xff0c;\u51cf\u5c11\u5197\u4f59\u64cd\u4f5c\u3002<\/li>\n<\/ul>\n<\/li>\n<\/ul>\n<h5>3. \u6570\u636e\u6062\u590d<\/h5>\n<ul>\n<li>\u4f18\u5148\u7ea7&#xff1a;\n<ul>\n<li>\u4f18\u5148\u4f7f\u7528 AOF \u6587\u4ef6\u6062\u590d\u6570\u636e&#xff1b;\u5982\u679c\u6ca1\u6709 AOF&#xff0c;\u5219\u4f7f\u7528 RDB \u6587\u4ef6\u3002<\/li>\n<\/ul>\n<\/li>\n<li>\u52a0\u8f7d\u8fc7\u7a0b&#xff1a;\n<ul>\n<li>\u4ece\u6301\u4e45\u5316\u6587\u4ef6\u4e2d\u8bfb\u53d6\u6570\u636e&#xff0c;\u91cd\u65b0\u52a0\u8f7d\u5230\u5185\u5b58\u3002<\/li>\n<\/ul>\n<\/li>\n<\/ul>\n<hr \/>\n<h4>\u7b2c\u4e03\u90e8\u5206&#xff1a;\u56fe\u8868\u4e0e\u793a\u610f\u56fe<\/h4>\n<h5>1. \u601d\u7ef4\u5bfc\u56fe<\/h5>\n<p>Redis \u6062\u590d\u6570\u636e<br \/>\n\u251c\u2500\u2500 RDB \u5feb\u7167<br \/>\n\u2502   \u251c\u2500\u2500 \u5185\u5b58\u8f6c\u50a8<br \/>\n\u2502   \u2514\u2500\u2500 \u538b\u7f29\u5b58\u50a8<br \/>\n\u251c\u2500\u2500 AOF \u65e5\u5fd7<br \/>\n\u2502   \u251c\u2500\u2500 \u8ffd\u52a0\u5199\u5165<br \/>\n\u2502   \u2514\u2500\u2500 \u91cd\u5199\u4f18\u5316<br \/>\n\u2514\u2500\u2500 \u6570\u636e\u6062\u590d<br \/>\n    \u251c\u2500\u2500 \u4f18\u5148\u7ea7<br \/>\n    \u2514\u2500\u2500 \u52a0\u8f7d\u8fc7\u7a0b<\/p>\n<h5>2. \u6d41\u7a0b\u56fe<\/h5>\n<p>[\u5199\u5165\u6570\u636e] &#8211;&gt; [\u8bb0\u5f55\u5230 AOF] &#8211;&gt; [\u751f\u6210 RDB \u5feb\u7167]<br \/>\n[\u65ad\u7535] &#8211;&gt; [\u5185\u5b58\u6570\u636e\u4e22\u5931]<br \/>\n[\u6062\u590d\u6570\u636e] &#8211;&gt; [\u4f18\u5148\u4f7f\u7528 AOF] &#8211;&gt; [\u52a0\u8f7d\u5230\u5185\u5b58]<\/p>\n<h5>3. \u67b6\u6784\u56fe<\/h5>\n<p>[\u5185\u5b58] &#8212;&#8211;&gt; [AOF \u6587\u4ef6] &#8212;&#8211;&gt; [RDB \u6587\u4ef6] &#8212;&#8211;&gt; [\u6570\u636e\u6062\u590d]<\/p>\n<h5>4. \u7c7b\u56fe<\/h5>\n<p>&#043;&#8212;&#8212;&#8212;&#8212;&#8212;&#8212;-&#043;<br \/>\n|  RedisSimulator   |<br \/>\n&#043;&#8212;&#8212;&#8212;&#8212;&#8212;&#8212;-&#043;<br \/>\n| &#8211; memory: array   |<br \/>\n| &#8211; rdbFile: array  |<br \/>\n| &#8211; aofFile: array  |<br \/>\n&#043;&#8212;&#8212;&#8212;&#8212;&#8212;&#8212;-&#043;<br \/>\n| &#043; set(): void     |<br \/>\n| &#043; saveSnapshot(): void|<br \/>\n| &#043; powerFailure(): void|<br \/>\n| &#043; recoverData(): void|<br \/>\n&#043;&#8212;&#8212;&#8212;&#8212;&#8212;&#8212;-&#043;<\/p>\n<h5>5. \u5e8f\u5217\u56fe<\/h5>\n<p>\u4e3b\u7a0b\u5e8f -&gt; Redis: \u5199\u5165\u6570\u636e<br \/>\nRedis -&gt; \u5185\u5b58: \u5199\u5165\u6570\u636e<br \/>\nRedis -&gt; AOF \u6587\u4ef6: \u8bb0\u5f55\u64cd\u4f5c<br \/>\nRedis -&gt; RDB \u6587\u4ef6: \u751f\u6210\u5feb\u7167<br \/>\n\u4e3b\u7a0b\u5e8f -&gt; Redis: \u6a21\u62df\u65ad\u7535<br \/>\nRedis -&gt; \u5185\u5b58: \u6570\u636e\u4e22\u5931<br \/>\n\u4e3b\u7a0b\u5e8f -&gt; Redis: \u6062\u590d\u6570\u636e<br \/>\nRedis -&gt; AOF \u6587\u4ef6: \u4f18\u5148\u6062\u590d<br \/>\nRedis -&gt; RDB \u6587\u4ef6: \u5907\u9009\u6062\u590d<br \/>\nRedis -&gt; \u5185\u5b58: \u52a0\u8f7d\u6570\u636e<\/p>\n<h5>6. \u6570\u636e\u6d41\u56fe<\/h5>\n<p>[\u5199\u5165\u8bf7\u6c42] &#8212;&#8211;&gt; [\u5185\u5b58] &#8212;&#8211;&gt; [AOF \u6587\u4ef6] &#8212;&#8211;&gt; [RDB \u6587\u4ef6]<br \/>\n[\u65ad\u7535] &#8212;&#8211;&gt; [\u5185\u5b58\u6570\u636e\u4e22\u5931]<br \/>\n[\u6062\u590d\u8bf7\u6c42] &#8212;&#8211;&gt; [AOF \u6587\u4ef6] &#8212;&#8211;&gt; [\u5185\u5b58]<\/p>\n<h5>7. \u793a\u610f\u56fe<\/h5>\n<p>[\u5185\u5b58] &#8212;&#8211;&gt; [AOF \u6587\u4ef6] &#8212;&#8211;&gt; [RDB \u6587\u4ef6] &#8212;&#8211;&gt; [\u6570\u636e\u6062\u590d]<\/p>\n<hr \/>\n<h4>\u7b2c\u516b\u90e8\u5206&#xff1a;\u603b\u7ed3<\/h4>\n<h5>1. Redis \u6062\u590d\u6570\u636e\u7684\u672c\u8d28<\/h5>\n<ul>\n<li>RDB \u5feb\u7167&#xff1a;\n<ul>\n<li>\u5b9a\u671f\u4fdd\u5b58\u5b8c\u6574\u7684\u5185\u5b58\u6570\u636e\u3002<\/li>\n<\/ul>\n<\/li>\n<li>AOF \u65e5\u5fd7&#xff1a;\n<ul>\n<li>\u5b9e\u65f6\u8bb0\u5f55\u6bcf\u4e2a\u5199\u64cd\u4f5c\u3002<\/li>\n<\/ul>\n<\/li>\n<li>\u6062\u590d\u673a\u5236&#xff1a;\n<ul>\n<li>\u65ad\u7535\u540e&#xff0c;\u4f18\u5148\u4f7f\u7528 AOF \u6587\u4ef6\u6062\u590d\u6570\u636e&#xff1b;\u5982\u679c\u6ca1\u6709 AOF&#xff0c;\u5219\u4f7f\u7528 RDB \u6587\u4ef6\u3002<\/li>\n<\/ul>\n<\/li>\n<\/ul>\n<h5>2. \u751f\u6d3b\u4e2d\u7684\u7c7b\u6bd4<\/h5>\n<ul>\n<li>Redis \u6062\u590d\u6570\u636e\u5c31\u50cf\u73a9\u5177\u5de5\u5382\u91cc\u7684\u201c\u91cd\u65b0\u7ec4\u88c5\u201d&#xff1a;\n<ul>\n<li>\u5de5\u5382\u65ad\u7535\u540e&#xff0c;\u5de5\u4eba\u6839\u636e\u5feb\u7167\u8bb0\u5f55\u6216\u64cd\u4f5c\u65e5\u5fd7\u91cd\u65b0\u7ec4\u88c5\u73a9\u5177\u3002<\/li>\n<\/ul>\n<\/li>\n<\/ul>\n","protected":false},"excerpt":{"rendered":"<p>\u6587\u7ae0\u6d4f\u89c8\u9605\u8bfb814\u6b21\uff0c\u70b9\u8d5e5\u6b21\uff0c\u6536\u85cf11\u6b21\u3002\u3010\u4ee3\u7801\u3011redis\u670d\u52a1\u5668\u65ad\u7535\u540e\u6062\u590d\u6570\u636e\u7684\u5e95\u5c42\u5b9e\u73b0\u662f\u600e\u6837\u7684\uff1f<\/p>\n","protected":false},"author":2,"featured_media":0,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[1],"tags":[566,105,43],"topic":[],"class_list":["post-39975","post","type-post","status-publish","format-standard","hentry","category-server","tag-bootstrap","tag-redis","tag-43"],"yoast_head":"<!-- This site is optimized with the Yoast SEO plugin v20.3 - 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