{"id":163587,"date":"2024-11-05T00:45:23","date_gmt":"2024-11-04T16:45:23","guid":{"rendered":"https:\/\/server.hk\/cnblog\/163587\/"},"modified":"2024-11-05T00:45:24","modified_gmt":"2024-11-04T16:45:24","slug":"%e8%a7%a3%e6%b1%baredis%e6%ad%bb%e9%8e%96%e7%95%b0%e6%ad%a5%e7%b7%a9%e5%ad%98%e7%9a%84%e8%89%af%e7%ad%96%ef%bc%88%e6%ad%bb%e9%8e%96%e7%95%b0%e6%ad%a5redis-%e7%b7%a9%e5%ad%98%ef%bc%89","status":"publish","type":"post","link":"https:\/\/server.hk\/cnblog\/163587\/","title":{"rendered":"\u89e3\u6c7aRedis\u6b7b\u9396\u7570\u6b65\u7de9\u5b58\u7684\u826f\u7b56\uff08\u6b7b\u9396\u7570\u6b65redis \u7de9\u5b58\uff09"},"content":{"rendered":"<h1 id=\"%e8%a7%a3%e6%b1%baredis%e6%ad%bb%e9%8e%96%e7%95%b0%e6%ad%a5%e7%b7%a9%e5%ad%98%e7%9a%84%e8%89%af%e7%ad%96%ef%bc%88%e6%ad%bb%e9%8e%96%e7%95%b0%e6%ad%a5redis-%e7%b7%a9%e5%ad%98%ef%bc%89-taBLoezKhR\">\u89e3\u6c7aRedis\u6b7b\u9396\u7570\u6b65\u7de9\u5b58\u7684\u826f\u7b56\uff08\u6b7b\u9396\u7570\u6b65redis \u7de9\u5b58\uff09<\/h1>\n<p>\u5728\u7576\u4eca\u7684\u61c9\u7528\u7a0b\u5f0f\u958b\u767c\u4e2d\uff0cRedis\u4f5c\u70ba\u4e00\u7a2e\u9ad8\u6548\u7684\u7de9\u5b58\u89e3\u6c7a\u65b9\u6848\uff0c\u5ee3\u6cdb\u61c9\u7528\u65bc\u63d0\u5347\u7cfb\u7d71\u6027\u80fd\u3002\u7136\u800c\uff0c\u96a8\u8457\u7cfb\u7d71\u7684\u8907\u96dc\u6027\u589e\u52a0\uff0c\u958b\u767c\u8005\u53ef\u80fd\u6703\u9047\u5230\u6b7b\u9396\u554f\u984c\uff0c\u7279\u5225\u662f\u5728\u7570\u6b65\u64cd\u4f5c\u4e2d\u3002\u672c\u6587\u5c07\u63a2\u8a0eRedis\u6b7b\u9396\u7684\u6210\u56e0\u53ca\u5176\u89e3\u6c7a\u65b9\u6848\uff0c\u5e6b\u52a9\u958b\u767c\u8005\u6709\u6548\u7ba1\u7406\u7de9\u5b58\u3002<\/p>\n<h2 id=\"%e4%bb%80%e9%ba%bc%e6%98%afredis%e6%ad%bb%e9%8e%96%ef%bc%9f-taBLoezKhR\">\u4ec0\u9ebc\u662fRedis\u6b7b\u9396\uff1f<\/h2>\n<p>\u6b7b\u9396\u662f\u6307\u5169\u500b\u6216\u591a\u500b\u9032\u7a0b\u5728\u57f7\u884c\u904e\u7a0b\u4e2d\uff0c\u56e0\u70ba\u76f8\u4e92\u7b49\u5f85\u5c0d\u65b9\u91cb\u653e\u8cc7\u6e90\u800c\u7121\u6cd5\u7e7c\u7e8c\u57f7\u884c\u7684\u60c5\u6cc1\u3002\u5728Redis\u4e2d\uff0c\u9019\u7a2e\u60c5\u6cc1\u901a\u5e38\u767c\u751f\u5728\u591a\u500b\u5ba2\u6236\u7aef\u540c\u6642\u8acb\u6c42\u76f8\u540c\u7684\u8cc7\u6e90\u6642\uff0c\u7279\u5225\u662f\u5728\u4f7f\u7528\u7570\u6b65\u64cd\u4f5c\u6642\u3002<\/p>\n<h2 id=\"%e6%ad%bb%e9%8e%96%e7%9a%84%e6%88%90%e5%9b%a0-taBLoezKhR\">\u6b7b\u9396\u7684\u6210\u56e0<\/h2>\n<ul>\n<li><strong>\u8cc7\u6e90\u7af6\u722d\uff1a<\/strong>\u7576\u591a\u500b\u8acb\u6c42\u540c\u6642\u5617\u8a66\u8a2a\u554f\u76f8\u540c\u7684\u9375\u6642\uff0c\u53ef\u80fd\u6703\u5c0e\u81f4\u6b7b\u9396\u3002<\/li>\n<li><strong>\u7570\u6b65\u64cd\u4f5c\uff1a<\/strong>\u5728\u7570\u6b65\u74b0\u5883\u4e2d\uff0c\u8acb\u6c42\u7684\u57f7\u884c\u9806\u5e8f\u4e0d\u78ba\u5b9a\uff0c\u9019\u589e\u52a0\u4e86\u6b7b\u9396\u7684\u98a8\u96aa\u3002<\/li>\n<li><strong>\u4e0d\u7576\u7684\u9396\u7ba1\u7406\uff1a<\/strong>\u5982\u679c\u9396\u7684\u7372\u53d6\u548c\u91cb\u653e\u4e0d\u7576\uff0c\u5c07\u5c0e\u81f4\u8cc7\u6e90\u7121\u6cd5\u91cb\u653e\u3002<\/li>\n<\/ul>\n<h2 id=\"%e8%a7%a3%e6%b1%ba%e6%96%b9%e6%a1%88-taBLoezKhR\">\u89e3\u6c7a\u65b9\u6848<\/h2>\n<h3 id=\"1-%e4%bd%bf%e7%94%a8%e8%b6%85%e6%99%82%e9%8e%96-taBLoezKhR\">1. \u4f7f\u7528\u8d85\u6642\u9396<\/h3>\n<p>\u70ba\u4e86\u907f\u514d\u6b7b\u9396\uff0c\u53ef\u4ee5\u5728\u7372\u53d6\u9396\u6642\u8a2d\u7f6e\u8d85\u6642\u6642\u9593\u3002\u9019\u6a23\uff0c\u5373\u4f7f\u67d0\u500b\u8acb\u6c42\u672a\u80fd\u91cb\u653e\u9396\uff0c\u5176\u4ed6\u8acb\u6c42\u4e5f\u80fd\u5728\u8d85\u6642\u5f8c\u7372\u53d6\u9396\u3002\u4ee5\u4e0b\u662f\u4f7f\u7528Redis\u7684\u8d85\u6642\u9396\u7684\u793a\u4f8b\uff1a<\/p>\n<pre><code>SET resource_name my_random_value NX PX 30000<\/code><\/pre>\n<p>\u4e0a\u8ff0\u547d\u4ee4\u5c07\u572830\u79d2\u5f8c\u81ea\u52d5\u91cb\u653e\u9396\uff0c\u5f9e\u800c\u6e1b\u5c11\u6b7b\u9396\u7684\u53ef\u80fd\u6027\u3002<\/p>\n<h3 id=\"2-%e9%8e%96%e7%9a%84%e9%87%8d%e8%a9%a6%e6%a9%9f%e5%88%b6-taBLoezKhR\">2. \u9396\u7684\u91cd\u8a66\u6a5f\u5236<\/h3>\n<p>\u5728\u7372\u53d6\u9396\u5931\u6557\u6642\uff0c\u53ef\u4ee5\u8a2d\u7f6e\u91cd\u8a66\u6a5f\u5236\u3002\u9019\u6a23\uff0c\u7576\u4e00\u500b\u8acb\u6c42\u7121\u6cd5\u7372\u53d6\u9396\u6642\uff0c\u53ef\u4ee5\u5728\u4e00\u5b9a\u7684\u6642\u9593\u9593\u9694\u5f8c\u518d\u6b21\u5617\u8a66\u7372\u53d6\u9396\u3002\u4ee5\u4e0b\u662f\u4e00\u500b\u7c21\u55ae\u7684\u91cd\u8a66\u908f\u8f2f\u793a\u4f8b\uff1a<\/p>\n<pre><code>while (true) {\n    if (acquireLock()) {\n        break;\n    }\n    sleep(100); \/\/ \u7b49\u5f85100\u6beb\u79d2\u5f8c\u91cd\u8a66\n}<\/code><\/pre>\n<h3 id=\"3-%e4%bd%bf%e7%94%a8%e5%88%86%e5%b8%83%e5%bc%8f%e9%8e%96-taBLoezKhR\">3. \u4f7f\u7528\u5206\u5e03\u5f0f\u9396<\/h3>\n<p>\u5728\u591a\u500b\u5be6\u4f8b\u4e4b\u9593\u4f7f\u7528\u5206\u5e03\u5f0f\u9396\u53ef\u4ee5\u6709\u6548\u907f\u514d\u6b7b\u9396\u554f\u984c\u3002Redisson\u662f\u4e00\u500b\u6d41\u884c\u7684Java\u5eab\uff0c\u63d0\u4f9b\u4e86\u5206\u5e03\u5f0f\u9396\u7684\u5be6\u73fe\u3002\u4f7f\u7528Redisson\u53ef\u4ee5\u7c21\u5316\u9396\u7684\u7ba1\u7406\uff0c\u4e26\u6e1b\u5c11\u6b7b\u9396\u7684\u98a8\u96aa\u3002<\/p>\n<pre><code>RLock lock = redisson.getLock(\"myLock\");\nlock.lock();\ntry {\n    \/\/ \u57f7\u884c\u9700\u8981\u9396\u5b9a\u7684\u64cd\u4f5c\n} finally {\n    lock.unlock();\n}<\/code><\/pre>\n<h3 id=\"4-%e7%9b%a3%e6%8e%a7%e5%92%8c%e6%97%a5%e8%aa%8c%e8%a8%98%e9%8c%84-taBLoezKhR\">4. \u76e3\u63a7\u548c\u65e5\u8a8c\u8a18\u9304<\/h3>\n<p>\u5b9a\u671f\u76e3\u63a7Redis\u7684\u6027\u80fd\u6307\u6a19\u548c\u65e5\u8a8c\u8a18\u9304\u53ef\u4ee5\u5e6b\u52a9\u53ca\u65e9\u767c\u73fe\u6b7b\u9396\u554f\u984c\u3002\u4f7f\u7528Redis\u7684\u76e3\u63a7\u5de5\u5177\uff0c\u5982Redis Monitor\uff0c\u53ef\u4ee5\u5be6\u6642\u67e5\u770b\u8acb\u6c42\u7684\u72c0\u614b\uff0c\u5f9e\u800c\u53ca\u6642\u8abf\u6574\u7b56\u7565\u3002<\/p>\n<h2 id=\"%e7%b5%90%e8%ab%96-taBLoezKhR\">\u7d50\u8ad6<\/h2>\n<p>Redis\u4f5c\u70ba\u4e00\u500b\u9ad8\u6548\u7684\u7de9\u5b58\u89e3\u6c7a\u65b9\u6848\uff0c\u96d6\u7136\u5728\u4f7f\u7528\u904e\u7a0b\u4e2d\u53ef\u80fd\u6703\u9047\u5230\u6b7b\u9396\u554f\u984c\uff0c\u4f46\u901a\u904e\u5408\u7406\u7684\u9396\u7ba1\u7406\u3001\u8d85\u6642\u8a2d\u7f6e\u3001\u91cd\u8a66\u6a5f\u5236\u4ee5\u53ca\u5206\u5e03\u5f0f\u9396\u7684\u4f7f\u7528\uff0c\u53ef\u4ee5\u6709\u6548\u5730\u6e1b\u5c11\u9019\u4e9b\u554f\u984c\u7684\u767c\u751f\u3002\u958b\u767c\u8005\u61c9\u8a72\u6839\u64da\u5177\u9ad4\u7684\u61c9\u7528\u5834\u666f\u9078\u64c7\u5408\u9069\u7684\u89e3\u6c7a\u65b9\u6848\uff0c\u4ee5\u78ba\u4fdd\u7cfb\u7d71\u7684\u7a69\u5b9a\u6027\u548c\u6027\u80fd\u3002<\/p>\n<p>\u5982\u9700\u4e86\u89e3\u66f4\u591a\u6709\u95dc\u65bc <a href=\"https:\/\/server.hk\">\u9999\u6e2fVPS<\/a> \u548c\u5176\u4ed6\u4f3a\u670d\u5668\u89e3\u6c7a\u65b9\u6848\u7684\u4fe1\u606f\uff0c\u8acb\u8a2a\u554f\u6211\u5011\u7684\u7db2\u7ad9\u3002<\/p>\n","protected":false},"excerpt":{"rendered":"<p>\u63a2\u7d22\u89e3\u6c7aRedis\u6b7b\u9396\u7684\u6709\u6548\u7b56\u7565\uff0c\u63d0\u5347\u7570\u6b65\u7de9\u5b58\u6027\u80fd\uff0c\u78ba\u4fdd\u7cfb\u7d71\u7a69\u5b9a\u904b\u884c\uff0c\u907f\u514d\u8cc7\u6e90\u6d6a\u8cbb\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-163587","post","type-post","status-publish","format-standard","hentry","category-database"],"_links":{"self":[{"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/posts\/163587","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=163587"}],"version-history":[{"count":1,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/posts\/163587\/revisions"}],"predecessor-version":[{"id":163588,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/posts\/163587\/revisions\/163588"}],"wp:attachment":[{"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/media?parent=163587"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/categories?post=163587"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/tags?post=163587"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}