{"id":183354,"date":"2024-11-10T04:07:22","date_gmt":"2024-11-09T20:07:22","guid":{"rendered":"https:\/\/server.hk\/cnblog\/183354\/"},"modified":"2024-11-10T04:07:23","modified_gmt":"2024-11-09T20:07:23","slug":"%e5%af%a6%e7%8f%be%e4%bd%bf%e7%94%a8c%e8%aa%9e%e8%a8%80%e6%a7%8b%e5%bb%baredis%e5%85%a7%e5%ad%98%e5%bc%b7%e5%a4%a7%e5%ad%98%e5%84%b2%e6%8a%80%e8%a1%93%ef%bc%88redis%e7%94%a8c%e8%aa%9e%e8%a8%80","status":"publish","type":"post","link":"https:\/\/server.hk\/cnblog\/183354\/","title":{"rendered":"\u5be6\u73fe\u4f7f\u7528c\u8a9e\u8a00\u69cb\u5efaRedis\u5167\u5b58\u5f37\u5927\u5b58\u5132\u6280\u8853\uff08redis\u7528c\u8a9e\u8a00\u5167\u5b58\uff09"},"content":{"rendered":"<h1 id=\"%e5%af%a6%e7%8f%be%e4%bd%bf%e7%94%a8c%e8%aa%9e%e8%a8%80%e6%a7%8b%e5%bb%baredis%e5%85%a7%e5%ad%98%e5%bc%b7%e5%a4%a7%e5%ad%98%e5%84%b2%e6%8a%80%e8%a1%93-nkLpxTxyNP\">\u5be6\u73fe\u4f7f\u7528C\u8a9e\u8a00\u69cb\u5efaRedis\u5167\u5b58\u5f37\u5927\u5b58\u5132\u6280\u8853<\/h1>\n<p>Redis\u662f\u4e00\u500b\u958b\u6e90\u7684\u9ad8\u6027\u80fd\u9375\u503c\u6578\u64da\u5eab\uff0c\u5ee3\u6cdb\u61c9\u7528\u65bc\u6578\u64da\u7de9\u5b58\u3001\u6d88\u606f\u968a\u5217\u548c\u5be6\u6642\u6578\u64da\u8655\u7406\u7b49\u5834\u666f\u3002\u5176\u6838\u5fc3\u7279\u6027\u4e4b\u4e00\u662f\u4f7f\u7528\u5167\u5b58\u4f5c\u70ba\u6578\u64da\u5b58\u5132\u7684\u4e3b\u8981\u4ecb\u8cea\uff0c\u9019\u4f7f\u5f97Redis\u5728\u8b80\u53d6\u548c\u5beb\u5165\u901f\u5ea6\u4e0a\u8868\u73fe\u51fa\u8272\u3002\u672c\u6587\u5c07\u63a2\u8a0eRedis\u7684\u5167\u5b58\u5b58\u5132\u6280\u8853\uff0c\u4e26\u6df1\u5165\u5206\u6790\u5176\u4f7f\u7528C\u8a9e\u8a00\u69cb\u5efa\u7684\u5be6\u73fe\u65b9\u5f0f\u3002<\/p>\n<h2 id=\"redis%e7%9a%84%e5%85%a7%e5%ad%98%e5%ad%98%e5%84%b2%e6%9e%b6%e6%a7%8b-nkLpxTxyNP\">Redis\u7684\u5167\u5b58\u5b58\u5132\u67b6\u69cb<\/h2>\n<p>Redis\u7684\u5167\u5b58\u5b58\u5132\u67b6\u69cb\u4e3b\u8981\u7531\u4ee5\u4e0b\u5e7e\u500b\u90e8\u5206\u7d44\u6210\uff1a<\/p>\n<ul>\n<li><strong>\u6578\u64da\u7d50\u69cb\uff1a<\/strong>Redis\u652f\u6301\u591a\u7a2e\u6578\u64da\u7d50\u69cb\uff0c\u5305\u62ec\u5b57\u7b26\u4e32\u3001\u54c8\u5e0c\u3001\u5217\u8868\u3001\u96c6\u5408\u548c\u6709\u5e8f\u96c6\u5408\u7b49\u3002\u9019\u4e9b\u6578\u64da\u7d50\u69cb\u7684\u9078\u64c7\u76f4\u63a5\u5f71\u97ff\u5230\u5167\u5b58\u7684\u4f7f\u7528\u6548\u7387\u548c\u6027\u80fd\u3002<\/li>\n<li><strong>\u5167\u5b58\u7ba1\u7406\uff1a<\/strong>Redis\u4f7f\u7528\u81ea\u5b9a\u7fa9\u7684\u5167\u5b58\u5206\u914d\u5668\u4f86\u7ba1\u7406\u5167\u5b58\uff0c\u9019\u6a23\u53ef\u4ee5\u6e1b\u5c11\u5167\u5b58\u788e\u7247\u4e26\u63d0\u9ad8\u5206\u914d\u6548\u7387\u3002Redis\u7684\u5167\u5b58\u5206\u914d\u5668\u57fa\u65bcjemalloc\uff0c\u9019\u662f\u4e00\u500b\u9ad8\u6548\u7684\u5167\u5b58\u5206\u914d\u5eab\u3002<\/li>\n<li><strong>\u6301\u4e45\u5316\u6a5f\u5236\uff1a<\/strong>\u96d6\u7136Redis\u4e3b\u8981\u662f\u5167\u5b58\u6578\u64da\u5eab\uff0c\u4f46\u5b83\u4e5f\u63d0\u4f9b\u4e86RDB\u548cAOF\u5169\u7a2e\u6301\u4e45\u5316\u6a5f\u5236\uff0c\u4ee5\u78ba\u4fdd\u6578\u64da\u4e0d\u6703\u56e0\u70ba\u670d\u52d9\u5668\u5d29\u6f70\u800c\u4e1f\u5931\u3002<\/li>\n<\/ul>\n<h2 id=\"c%e8%aa%9e%e8%a8%80%e5%9c%a8redis%e4%b8%ad%e7%9a%84%e6%87%89%e7%94%a8-nkLpxTxyNP\">C\u8a9e\u8a00\u5728Redis\u4e2d\u7684\u61c9\u7528<\/h2>\n<p>Redis\u662f\u7528C\u8a9e\u8a00\u7de8\u5beb\u7684\uff0c\u9019\u4f7f\u5f97\u5b83\u5728\u6027\u80fd\u548c\u6548\u7387\u4e0a\u5177\u6709\u512a\u52e2\u3002C\u8a9e\u8a00\u7684\u4f4e\u7d1a\u7279\u6027\u5141\u8a31\u958b\u767c\u8005\u76f4\u63a5\u64cd\u4f5c\u5167\u5b58\uff0c\u9019\u5c0d\u65bc\u9ad8\u6027\u80fd\u7684\u6578\u64da\u5eab\u7cfb\u7d71\u81f3\u95dc\u91cd\u8981\u3002\u4ee5\u4e0b\u662f\u4e00\u4e9bC\u8a9e\u8a00\u5728Redis\u4e2d\u7684\u5177\u9ad4\u61c9\u7528\uff1a<\/p>\n<h3 id=\"%e5%85%a7%e5%ad%98%e5%88%86%e9%85%8d-nkLpxTxyNP\">\u5167\u5b58\u5206\u914d<\/h3>\n<p>Redis\u4f7f\u7528\u81ea\u5b9a\u7fa9\u7684\u5167\u5b58\u5206\u914d\u5668\u4f86\u7ba1\u7406\u5167\u5b58\u3002\u9019\u500b\u5206\u914d\u5668\u7684\u8a2d\u8a08\u8003\u616e\u5230\u4e86\u591a\u7a2e\u56e0\u7d20\uff0c\u5305\u62ec\u5167\u5b58\u7684\u5206\u914d\u548c\u91cb\u653e\u901f\u5ea6\u3001\u5167\u5b58\u788e\u7247\u7684\u7ba1\u7406\u7b49\u3002\u4ee5\u4e0b\u662f\u4e00\u500b\u7c21\u55ae\u7684\u5167\u5b58\u5206\u914d\u793a\u4f8b\uff1a<\/p>\n<pre><code>\nvoid *my_malloc(size_t size) {\n    void *ptr = malloc(size);\n    if (ptr == NULL) {\n        \/\/ \u8655\u7406\u5167\u5b58\u5206\u914d\u5931\u6557\n    }\n    return ptr;\n}\n<\/code><\/pre>\n<h3 id=\"%e6%95%b8%e6%93%9a%e7%b5%90%e6%a7%8b%e7%9a%84%e5%af%a6%e7%8f%be-nkLpxTxyNP\">\u6578\u64da\u7d50\u69cb\u7684\u5be6\u73fe<\/h3>\n<p>Redis\u7684\u6578\u64da\u7d50\u69cb\u662f\u5176\u6027\u80fd\u7684\u95dc\u9375\u3002\u4ee5\u5b57\u7b26\u4e32\u70ba\u4f8b\uff0cRedis\u4f7f\u7528\u4e00\u500b\u7c21\u55ae\u7684\u7d50\u69cb\u4f86\u5b58\u5132\u5b57\u7b26\u4e32\u6578\u64da\uff1a<\/p>\n<pre><code>\ntypedef struct {\n    size_t len; 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