{"id":134617,"date":"2024-10-31T01:39:20","date_gmt":"2024-10-30T17:39:20","guid":{"rendered":"https:\/\/server.hk\/cnblog\/134617\/"},"modified":"2024-10-31T01:39:21","modified_gmt":"2024-10-30T17:39:21","slug":"redis%e6%ba%90%e7%a2%bc%e6%a7%8b%e5%bb%ba%e7%b2%be%e5%bd%a9%e7%9a%84%e5%b0%8d%e8%b1%a1%e7%b3%bb%e7%b5%b1%ef%bc%88redis%e6%ba%90%e7%a2%bc%e5%b0%8d%e8%b1%a1%e7%b3%bb%e7%b5%b1%ef%bc%89","status":"publish","type":"post","link":"https:\/\/server.hk\/cnblog\/134617\/","title":{"rendered":"Redis\u6e90\u78bc\u69cb\u5efa\u7cbe\u5f69\u7684\u5c0d\u8c61\u7cfb\u7d71\uff08redis\u6e90\u78bc\u5c0d\u8c61\u7cfb\u7d71\uff09"},"content":{"rendered":"<h1 id=\"redis%e6%ba%90%e7%a2%bc%e6%a7%8b%e5%bb%ba%e7%b2%be%e5%bd%a9%e7%9a%84%e5%b0%8d%e8%b1%a1%e7%b3%bb%e7%b5%b1%ef%bc%88redis%e6%ba%90%e7%a2%bc%e5%b0%8d%e8%b1%a1%e7%b3%bb%e7%b5%b1%ef%bc%89-iGECTiPsSt\">Redis\u6e90\u78bc\u69cb\u5efa\u7cbe\u5f69\u7684\u5c0d\u8c61\u7cfb\u7d71\uff08redis\u6e90\u78bc\u5c0d\u8c61\u7cfb\u7d71\uff09<\/h1>\n<p>\u5728\u7576\u4eca\u7684\u6578\u64da\u9a45\u52d5\u6642\u4ee3\uff0cRedis\u4f5c\u70ba\u4e00\u500b\u9ad8\u6548\u7684\u5167\u5b58\u6578\u64da\u5eab\uff0c\u5df2\u7d93\u6210\u70ba\u8a31\u591a\u61c9\u7528\u7a0b\u5e8f\u7684\u6838\u5fc3\u7d44\u4ef6\u3002\u5176\u6e90\u78bc\u4e2d\u7684\u5c0d\u8c61\u7cfb\u7d71\u8a2d\u8a08\u4e0d\u50c5\u63d0\u9ad8\u4e86\u6027\u80fd\uff0c\u9084\u70ba\u958b\u767c\u8005\u63d0\u4f9b\u4e86\u9748\u6d3b\u7684\u6578\u64da\u7d50\u69cb\u9078\u64c7\u3002\u672c\u6587\u5c07\u6df1\u5165\u63a2\u8a0eRedis\u7684\u6e90\u78bc\u5c0d\u8c61\u7cfb\u7d71\uff0c\u4e26\u5206\u6790\u5176\u8a2d\u8a08\u539f\u5247\u53ca\u5be6\u73fe\u65b9\u5f0f\u3002<\/p>\n<h2 id=\"redis%e5%b0%8d%e8%b1%a1%e7%b3%bb%e7%b5%b1%e6%a6%82%e8%bf%b0-iGECTiPsSt\">Redis\u5c0d\u8c61\u7cfb\u7d71\u6982\u8ff0<\/h2>\n<p>Redis\u7684\u5c0d\u8c61\u7cfb\u7d71\u4e3b\u8981\u662f\u7528\u4f86\u7ba1\u7406\u4e0d\u540c\u985e\u578b\u7684\u6578\u64da\u7d50\u69cb\u3002\u9019\u4e9b\u5c0d\u8c61\u4e0d\u50c5\u5305\u62ec\u57fa\u672c\u7684\u5b57\u7b26\u4e32\u3001\u5217\u8868\u3001\u96c6\u5408\u7b49\uff0c\u9084\u5305\u62ec\u66f4\u8907\u96dc\u7684\u6578\u64da\u7d50\u69cb\uff0c\u5982\u6709\u5e8f\u96c6\u5408\u548c\u54c8\u5e0c\u8868\u3002\u6bcf\u4e00\u7a2e\u6578\u64da\u7d50\u69cb\u90fd\u88ab\u5c01\u88dd\u6210\u4e00\u500b\u5c0d\u8c61\uff0c\u9019\u6a23\u53ef\u4ee5\u65b9\u4fbf\u5730\u9032\u884c\u64cd\u4f5c\u548c\u7ba1\u7406\u3002<\/p>\n<h3 id=\"%e5%b0%8d%e8%b1%a1%e7%9a%84%e5%9f%ba%e6%9c%ac%e7%b5%90%e6%a7%8b-iGECTiPsSt\">\u5c0d\u8c61\u7684\u57fa\u672c\u7d50\u69cb<\/h3>\n<p>\u5728Redis\u7684\u6e90\u78bc\u4e2d\uff0c\u5c0d\u8c61\u7684\u57fa\u672c\u7d50\u69cb\u662f\u7531\u4e00\u500b\u540d\u70ba <code>robj<\/code> \u7684\u7d50\u69cb\u9ad4\u4f86\u8868\u793a\u3002\u9019\u500b\u7d50\u69cb\u9ad4\u5305\u542b\u4e86\u5c0d\u8c61\u7684\u985e\u578b\u3001\u7de8\u78bc\u65b9\u5f0f\u548c\u6578\u64da\u6307\u91dd\u7b49\u4fe1\u606f\u3002\u4ee5\u4e0b\u662f <code>robj<\/code> \u7d50\u69cb\u9ad4\u7684\u7c21\u5316\u7248\u672c\uff1a<\/p>\n<pre><code>\ntypedef struct redisObject {\n    unsigned type:4;      \/\/ \u5c0d\u8c61\u985e\u578b\n    unsigned encoding:4;  \/\/ \u7de8\u78bc\u65b9\u5f0f\n    unsigned refcount;    \/\/ \u5f15\u7528\u8a08\u6578\n    void *ptr;            \/\/ \u6307\u5411\u6578\u64da\u7684\u6307\u91dd\n} robj;\n<\/code><\/pre>\n<p>\u9019\u7a2e\u8a2d\u8a08\u4f7f\u5f97Redis\u80fd\u5920\u9748\u6d3b\u5730\u8655\u7406\u4e0d\u540c\u985e\u578b\u7684\u6578\u64da\uff0c\u4e26\u4e14\u901a\u904e\u5f15\u7528\u8a08\u6578\u4f86\u7ba1\u7406\u5167\u5b58\uff0c\u907f\u514d\u5167\u5b58\u6cc4\u6f0f\u3002<\/p>\n<h2 id=\"%e5%b0%8d%e8%b1%a1%e7%9a%84%e7%b7%a8%e7%a2%bc%e6%96%b9%e5%bc%8f-iGECTiPsSt\">\u5c0d\u8c61\u7684\u7de8\u78bc\u65b9\u5f0f<\/h2>\n<p>Redis\u652f\u6301\u591a\u7a2e\u7de8\u78bc\u65b9\u5f0f\uff0c\u4ee5\u63d0\u9ad8\u6027\u80fd\u548c\u7bc0\u7701\u5167\u5b58\u3002\u5e38\u898b\u7684\u7de8\u78bc\u65b9\u5f0f\u5305\u62ec\uff1a<\/p>\n<ul>\n<li><strong>RAW\u7de8\u78bc\uff1a<\/strong>\u76f4\u63a5\u5b58\u5132\u5b57\u7b26\u4e32\u6578\u64da\uff0c\u9069\u5408\u5c0f\u578b\u5b57\u7b26\u4e32\u3002<\/li>\n<li><strong>INT\u7de8\u78bc\uff1a<\/strong>\u5c07\u6574\u6578\u76f4\u63a5\u5b58\u5132\u70ba\u6574\u6578\u985e\u578b\uff0c\u7bc0\u7701\u5167\u5b58\u3002<\/li>\n<li><strong>ZIPLIST\u7de8\u78bc\uff1a<\/strong>\u7528\u65bc\u5c0f\u578b\u5217\u8868\u548c\u54c8\u5e0c\u8868\uff0c\u901a\u904e\u58d3\u7e2e\u6578\u64da\u4f86\u7bc0\u7701\u5167\u5b58\u3002<\/li>\n<li><strong>HASHTABLE\u7de8\u78bc\uff1a<\/strong>\u7528\u65bc\u5927\u578b\u54c8\u5e0c\u8868\uff0c\u63d0\u4f9b\u5feb\u901f\u67e5\u627e\u6027\u80fd\u3002<\/li>\n<\/ul>\n<p>\u9019\u4e9b\u7de8\u78bc\u65b9\u5f0f\u7684\u9078\u64c7\u662f\u6839\u64da\u5c0d\u8c61\u7684\u5927\u5c0f\u548c\u4f7f\u7528\u983b\u7387\u4f86\u6c7a\u5b9a\u7684\uff0c\u9019\u6a23\u53ef\u4ee5\u5728\u6027\u80fd\u548c\u5167\u5b58\u4e4b\u9593\u53d6\u5f97\u5e73\u8861\u3002<\/p>\n<h3 id=\"%e5%b0%8d%e8%b1%a1%e7%9a%84%e6%93%8d%e4%bd%9c-iGECTiPsSt\">\u5c0d\u8c61\u7684\u64cd\u4f5c<\/h3>\n<p>Redis\u63d0\u4f9b\u4e86\u4e00\u7cfb\u5217\u64cd\u4f5c\u5c0d\u8c61\u7684API\uff0c\u9019\u4e9bAPI\u5141\u8a31\u958b\u767c\u8005\u5275\u5efa\u3001\u4fee\u6539\u548c\u522a\u9664\u5c0d\u8c61\u3002\u4f8b\u5982\uff0c\u5275\u5efa\u4e00\u500b\u65b0\u7684\u5b57\u7b26\u4e32\u5c0d\u8c61\u7684\u4ee3\u78bc\u5982\u4e0b\uff1a<\/p>\n<pre><code>\nrobj *createStringObject(const char *ptr, size_t len) {\n    robj *o = zmalloc(sizeof(robj));\n    o-&gt;type = REDIS_STRING;\n    o-&gt;encoding = REDIS_ENCODING_RAW;\n    o-&gt;ptr = zmalloc(len);\n    memcpy(o-&gt;ptr, ptr, len);\n    o-&gt;refcount = 1;\n    return o;\n}\n<\/code><\/pre>\n<p>\u9019\u6bb5\u4ee3\u78bc\u5c55\u793a\u4e86\u5982\u4f55\u5275\u5efa\u4e00\u500b\u65b0\u7684\u5b57\u7b26\u4e32\u5c0d\u8c61\uff0c\u4e26\u521d\u59cb\u5316\u5176\u5c6c\u6027\u3002<\/p>\n<h2 id=\"%e5%b0%8d%e8%b1%a1%e7%b3%bb%e7%b5%b1%e7%9a%84%e5%84%aa%e5%8b%a2-iGECTiPsSt\">\u5c0d\u8c61\u7cfb\u7d71\u7684\u512a\u52e2<\/h2>\n<p>Redis\u7684\u5c0d\u8c61\u7cfb\u7d71\u8a2d\u8a08\u5e36\u4f86\u4e86\u591a\u65b9\u9762\u7684\u512a\u52e2\uff1a<\/p>\n<ul>\n<li><strong>\u9ad8\u6548\u6027\uff1a<\/strong>\u901a\u904e\u4f7f\u7528\u5167\u5b58\u4e2d\u7684\u6578\u64da\u7d50\u69cb\uff0cRedis\u80fd\u5920\u5be6\u73fe\u6975\u5feb\u7684\u6578\u64da\u8b80\u53d6\u548c\u5beb\u5165\u901f\u5ea6\u3002<\/li>\n<li><strong>\u9748\u6d3b\u6027\uff1a<\/strong>\u652f\u6301\u591a\u7a2e\u6578\u64da\u7d50\u69cb\uff0c\u958b\u767c\u8005\u53ef\u4ee5\u6839\u64da\u9700\u6c42\u9078\u64c7\u5408\u9069\u7684\u6578\u64da\u985e\u578b\u3002<\/li>\n<li><strong>\u5167\u5b58\u7ba1\u7406\uff1a<\/strong>\u5f15\u7528\u8a08\u6578\u548c\u81ea\u52d5\u91cb\u653e\u6a5f\u5236\u6709\u6548\u5730\u7ba1\u7406\u5167\u5b58\uff0c\u6e1b\u5c11\u5167\u5b58\u6cc4\u6f0f\u7684\u98a8\u96aa\u3002<\/li>\n<\/ul>\n<h2 id=\"%e7%b5%90%e8%ab%96-iGECTiPsSt\">\u7d50\u8ad6<\/h2>\n<p>Redis\u7684\u6e90\u78bc\u5c0d\u8c61\u7cfb\u7d71\u662f\u4e00\u500b\u7cbe\u5fc3\u8a2d\u8a08\u7684\u9ad8\u6548\u6578\u64da\u7ba1\u7406\u65b9\u6848\uff0c\u901a\u904e\u9748\u6d3b\u7684\u5c0d\u8c61\u7d50\u69cb\u548c\u591a\u6a23\u7684\u7de8\u78bc\u65b9\u5f0f\uff0c\u70ba\u958b\u767c\u8005\u63d0\u4f9b\u4e86\u5f37\u5927\u7684\u652f\u6301\u3002\u7121\u8ad6\u662f\u5728\u6027\u80fd\u9084\u662f\u5167\u5b58\u7ba1\u7406\u65b9\u9762\uff0cRedis\u90fd\u5c55\u73fe\u4e86\u5176\u5353\u8d8a\u7684\u80fd\u529b\u3002\u5c0d\u65bc\u5e0c\u671b\u6df1\u5165\u4e86\u89e3Redis\u7684\u958b\u767c\u8005\u4f86\u8aaa\uff0c\u7814\u7a76\u5176\u6e90\u78bc\u5c0d\u8c61\u7cfb\u7d71\u7121\u7591\u662f\u4e00\u500b\u503c\u5f97\u6295\u8cc7\u7684\u65b9\u5411\u3002<\/p>\n<p>\u5982\u679c\u60a8\u6b63\u5728\u5c0b\u627e\u9ad8\u6548\u7684 <a href=\"https:\/\/server.hk\">VPS<\/a> \u89e3\u6c7a\u65b9\u6848\uff0cServer.HK \u63d0\u4f9b\u591a\u7a2e\u9078\u64c7\uff0c\u6eff\u8db3\u60a8\u7684\u9700\u6c42\u3002\u7121\u8ad6\u662f <a href=\"https:\/\/server.hk\">\u9999\u6e2fVPS<\/a> \u9084\u662f\u5176\u4ed6\u670d\u52d9\uff0c\u6211\u5011\u90fd\u80fd\u70ba\u60a8\u63d0\u4f9b\u652f\u6301\u3002<\/p>\n","protected":false},"excerpt":{"rendered":"<p>\u63a2\u7d22Redis\u6e90\u78bc\u4e2d\u7684\u5c0d\u8c61\u7cfb\u7d71\uff0c\u4e86\u89e3\u5176\u9ad8\u6548\u7684\u6578\u64da\u7d50\u69cb\u548c\u8a2d\u8a08\u539f\u7406\uff0c\u63d0\u5347\u6027\u80fd\u8207\u64f4\u5c55\u6027\u3002<\/p>\n","protected":false},"author":0,"featured_media":0,"comment_status":"closed","ping_status":"","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[101],"tags":[],"class_list":["post-134617","post","type-post","status-publish","format-standard","hentry","category-database"],"_links":{"self":[{"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/posts\/134617","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/types\/post"}],"replies":[{"embeddable":true,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/comments?post=134617"}],"version-history":[{"count":1,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/posts\/134617\/revisions"}],"predecessor-version":[{"id":134618,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/posts\/134617\/revisions\/134618"}],"wp:attachment":[{"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/media?parent=134617"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/categories?post=134617"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/tags?post=134617"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}