{"id":99374,"date":"2024-10-21T10:28:17","date_gmt":"2024-10-21T02:28:17","guid":{"rendered":"https:\/\/server.hk\/cnblog\/99374\/"},"modified":"2024-10-21T10:28:17","modified_gmt":"2024-10-21T02:28:17","slug":"redis-%e9%ab%98%e6%95%88%e6%93%8d%e4%bd%9c%e7%9a%84%e7%a7%98%e8%a8%a3","status":"publish","type":"post","link":"https:\/\/server.hk\/cnblog\/99374\/","title":{"rendered":"Redis \u9ad8\u6548\u64cd\u4f5c\u7684\u79d8\u8a23"},"content":{"rendered":"<h1 id=\"redis-%e9%ab%98%e6%95%88%e6%93%8d%e4%bd%9c%e7%9a%84%e7%a7%98%e8%a8%a3-dgmbdKhnln\">Redis \u9ad8\u6548\u64cd\u4f5c\u7684\u79d8\u8a23<\/h1>\n<p>\u5728\u7576\u4eca\u7684\u6578\u64da\u9a45\u52d5\u4e16\u754c\u4e2d\uff0cRedis \u4f5c\u70ba\u4e00\u7a2e\u9ad8\u6548\u7684\u9375\u503c\u5b58\u5132\u7cfb\u7d71\uff0c\u5df2\u7d93\u6210\u70ba\u8a31\u591a\u958b\u767c\u8005\u548c\u4f01\u696d\u7684\u9996\u9078\u3002\u5b83\u7684\u9ad8\u6027\u80fd\u548c\u9748\u6d3b\u6027\u4f7f\u5176\u5728\u5404\u7a2e\u61c9\u7528\u4e2d\u90fd\u80fd\u767c\u63ee\u91cd\u8981\u4f5c\u7528\u3002\u672c\u6587\u5c07\u63a2\u8a0e\u4e00\u4e9b Redis \u9ad8\u6548\u64cd\u4f5c\u7684\u79d8\u8a23\uff0c\u5e6b\u52a9\u958b\u767c\u8005\u66f4\u597d\u5730\u5229\u7528\u9019\u4e00\u5f37\u5927\u7684\u5de5\u5177\u3002<\/p>\n<h2 id=\"1-%e7%90%86%e8%a7%a3-redis-%e7%9a%84%e6%95%b8%e6%93%9a%e7%b5%90%e6%a7%8b-dgmbdKhnln\">1. \u7406\u89e3 Redis \u7684\u6578\u64da\u7d50\u69cb<\/h2>\n<p>Redis \u63d0\u4f9b\u4e86\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\u3002\u6bcf\u7a2e\u6578\u64da\u7d50\u69cb\u90fd\u6709\u5176\u7279\u5b9a\u7684\u7528\u9014\u548c\u512a\u52e2\u3002\u4e86\u89e3\u9019\u4e9b\u6578\u64da\u7d50\u69cb\u7684\u7279\u6027\uff0c\u53ef\u4ee5\u5e6b\u52a9\u958b\u767c\u8005\u9078\u64c7\u6700\u5408\u9069\u7684\u7d50\u69cb\u4f86\u5b58\u5132\u548c\u64cd\u4f5c\u6578\u64da\u3002<\/p>\n<ul>\n<li><strong>\u5b57\u7b26\u4e32\uff1a<\/strong>\u6700\u57fa\u672c\u7684\u6578\u64da\u985e\u578b\uff0c\u9069\u5408\u5b58\u5132\u7c21\u55ae\u7684\u9375\u503c\u5c0d\u3002<\/li>\n<li><strong>\u54c8\u5e0c\uff1a<\/strong>\u9069\u5408\u5b58\u5132\u5c0d\u8c61\uff0c\u80fd\u5920\u4ee5\u5b57\u6bb5\u7684\u5f62\u5f0f\u5b58\u5132\u591a\u500b\u503c\u3002<\/li>\n<li><strong>\u5217\u8868\uff1a<\/strong>\u6709\u5e8f\u7684\u5b57\u7b26\u4e32\u96c6\u5408\uff0c\u9069\u5408\u7528\u65bc\u6d88\u606f\u968a\u5217\u7b49\u5834\u666f\u3002<\/li>\n<li><strong>\u96c6\u5408\uff1a<\/strong>\u7121\u5e8f\u4e14\u552f\u4e00\u7684\u5b57\u7b26\u4e32\u96c6\u5408\uff0c\u9069\u5408\u7528\u65bc\u53bb\u91cd\u548c\u4ea4\u96c6\u64cd\u4f5c\u3002<\/li>\n<li><strong>\u6709\u5e8f\u96c6\u5408\uff1a<\/strong>\u6bcf\u500b\u5143\u7d20\u90fd\u6709\u4e00\u500b\u5206\u6578\uff0c\u9069\u5408\u7528\u65bc\u6392\u884c\u699c\u7b49\u61c9\u7528\u3002<\/li>\n<\/ul>\n<h2 id=\"2-%e4%bd%bf%e7%94%a8%e7%ae%a1%e9%81%93%e6%8a%80%e8%a1%93-dgmbdKhnln\">2. \u4f7f\u7528\u7ba1\u9053\u6280\u8853<\/h2>\n<p>\u5728\u9032\u884c\u591a\u500b Redis \u64cd\u4f5c\u6642\uff0c\u4f7f\u7528\u7ba1\u9053\u6280\u8853\u53ef\u4ee5\u986f\u8457\u63d0\u9ad8\u6027\u80fd\u3002\u7ba1\u9053\u5141\u8a31\u5ba2\u6236\u7aef\u4e00\u6b21\u6027\u767c\u9001\u591a\u500b\u547d\u4ee4\uff0c\u800c\u4e0d\u9700\u8981\u7b49\u5f85\u6bcf\u500b\u547d\u4ee4\u7684\u56de\u61c9\u3002\u9019\u6a23\u53ef\u4ee5\u6e1b\u5c11\u7db2\u7d61\u5ef6\u9072\uff0c\u63d0\u9ad8\u6574\u9ad4\u6548\u7387\u3002<\/p>\n<pre><code>\n# \u4f7f\u7528 Python \u7684 redis-py \u5eab\u793a\u7bc4\u7ba1\u9053\nimport redis\n\nr = redis.Redis()\npipe = r.pipeline()\n\nfor i in range(1000):\n    pipe.set(f'key{i}', f'value{i}')\n\npipe.execute()  # \u4e00\u6b21\u6027\u57f7\u884c\u6240\u6709\u547d\u4ee4\n<\/code><\/pre>\n<h2 id=\"3-%e5%90%88%e7%90%86%e8%a8%ad%e7%bd%ae%e9%81%8e%e6%9c%9f%e6%99%82%e9%96%93-dgmbdKhnln\">3. \u5408\u7406\u8a2d\u7f6e\u904e\u671f\u6642\u9593<\/h2>\n<p>Redis \u652f\u6301\u70ba\u9375\u8a2d\u7f6e\u904e\u671f\u6642\u9593\uff0c\u9019\u5c0d\u65bc\u7de9\u5b58\u6578\u64da\u7279\u5225\u91cd\u8981\u3002\u5408\u7406\u8a2d\u7f6e\u904e\u671f\u6642\u9593\u53ef\u4ee5\u5e6b\u52a9\u91cb\u653e\u5167\u5b58\uff0c\u907f\u514d\u4e0d\u5fc5\u8981\u7684\u6578\u64da\u5806\u7a4d\u3002\u4f7f\u7528 <code>EXPIRE<\/code> \u547d\u4ee4\u53ef\u4ee5\u8f15\u9b06\u8a2d\u7f6e\u904e\u671f\u6642\u9593\u3002<\/p>\n<pre><code>\n# \u8a2d\u7f6e\u9375\u7684\u904e\u671f\u6642\u9593\u70ba 60 \u79d2\nr.set('temp_key', 'temp_value')\nr.expire('temp_key', 60)\n<\/code><\/pre>\n<h2 id=\"4-%e4%bd%bf%e7%94%a8-lua-%e8%85%b3%e6%9c%ac-dgmbdKhnln\">4. \u4f7f\u7528 Lua \u8173\u672c<\/h2>\n<p>Redis \u652f\u6301 Lua \u8173\u672c\uff0c\u9019\u4f7f\u5f97\u53ef\u4ee5\u5728\u670d\u52d9\u5668\u7aef\u57f7\u884c\u8907\u96dc\u7684\u64cd\u4f5c\uff0c\u6e1b\u5c11\u5ba2\u6236\u7aef\u548c\u670d\u52d9\u5668\u4e4b\u9593\u7684\u901a\u4fe1\u3002\u9019\u4e0d\u50c5\u63d0\u9ad8\u4e86\u6027\u80fd\uff0c\u9084\u80fd\u78ba\u4fdd\u64cd\u4f5c\u7684\u539f\u5b50\u6027\u3002<\/p>\n<pre><code>\n# \u4f7f\u7528 Lua \u8173\u672c\u539f\u5b50\u6027\u5730\u589e\u52a0\u8a08\u6578\u5668\nscript = \"\"\"\n    local current = redis.call('GET', KEYS[1]) or 0\n    current = current + ARGV[1]\n    redis.call('SET', KEYS[1], current)\n    return current\n\"\"\"\nr.eval(script, 1, 'counter_key', 1)  # \u589e\u52a0\u8a08\u6578\u5668\n<\/code><\/pre>\n<h2 id=\"5-%e7%9b%a3%e6%8e%a7%e5%92%8c%e8%aa%bf%e5%84%aa-dgmbdKhnln\">5. \u76e3\u63a7\u548c\u8abf\u512a<\/h2>\n<p>\u5b9a\u671f\u76e3\u63a7 Redis \u7684\u6027\u80fd\u6307\u6a19\u662f\u78ba\u4fdd\u5176\u9ad8\u6548\u904b\u884c\u7684\u95dc\u9375\u3002\u4f7f\u7528 <code>INFO<\/code> \u547d\u4ee4\u53ef\u4ee5\u7372\u53d6\u6709\u95dc\u5167\u5b58\u4f7f\u7528\u3001\u547d\u4ee4\u57f7\u884c\u6642\u9593\u7b49\u4fe1\u606f\u3002\u6839\u64da\u9019\u4e9b\u6578\u64da\uff0c\u958b\u767c\u8005\u53ef\u4ee5\u9032\u884c\u76f8\u61c9\u7684\u8abf\u512a\u3002<\/p>\n<pre><code>\n# \u7372\u53d6 Redis \u6027\u80fd\u4fe1\u606f\ninfo = r.info()\nprint(info['used_memory'])  # \u6253\u5370\u5df2\u4f7f\u7528\u7684\u5167\u5b58\n<\/code><\/pre>\n<h2 id=\"%e7%b8%bd%e7%b5%90-dgmbdKhnln\">\u7e3d\u7d50<\/h2>\n<p>Redis \u662f\u4e00\u500b\u5f37\u5927\u7684\u6578\u64da\u5b58\u5132\u89e3\u6c7a\u65b9\u6848\uff0c\u901a\u904e\u7406\u89e3\u5176\u6578\u64da\u7d50\u69cb\u3001\u4f7f\u7528\u7ba1\u9053\u6280\u8853\u3001\u5408\u7406\u8a2d\u7f6e\u904e\u671f\u6642\u9593\u3001\u5229\u7528 Lua \u8173\u672c\u4ee5\u53ca\u5b9a\u671f\u76e3\u63a7\u548c\u8abf\u512a\uff0c\u958b\u767c\u8005\u53ef\u4ee5\u986f\u8457\u63d0\u9ad8\u5176\u64cd\u4f5c\u6548\u7387\u3002\u5c0d\u65bc\u9700\u8981\u9ad8\u6027\u80fd\u6578\u64da\u8655\u7406\u7684\u61c9\u7528\uff0c\u9078\u64c7\u5408\u9069\u7684 <a href=\"https:\/\/server.hk\">VPS<\/a> \u89e3\u6c7a\u65b9\u6848\u4e5f\u662f\u81f3\u95dc\u91cd\u8981\u7684\uff0c\u9019\u6a23\u53ef\u4ee5\u78ba\u4fdd Redis \u7684\u6700\u4f73\u6027\u80fd\u767c\u63ee\u3002<\/p>\n","protected":false},"excerpt":{"rendered":"<p>\u63a2\u7d22Redis\u9ad8\u6548\u64cd\u4f5c\u7684\u79d8\u8a23\uff0c\u63d0\u5347\u6578\u64da\u8655\u7406\u901f\u5ea6\uff0c\u512a\u5316\u6027\u80fd\uff0c\u8b93\u4f60\u7684\u61c9\u7528\u66f4\u5feb\u901f\u3001\u7a69\u5b9a\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-99374","post","type-post","status-publish","format-standard","hentry","category-database"],"_links":{"self":[{"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/posts\/99374","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=99374"}],"version-history":[{"count":1,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/posts\/99374\/revisions"}],"predecessor-version":[{"id":99375,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/posts\/99374\/revisions\/99375"}],"wp:attachment":[{"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/media?parent=99374"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/categories?post=99374"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/tags?post=99374"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}