{"id":6534,"date":"2024-09-02T14:20:16","date_gmt":"2024-09-02T06:20:16","guid":{"rendered":"https:\/\/t.n-years.com\/?p=6534"},"modified":"2024-09-02T14:20:16","modified_gmt":"2024-09-02T06:20:16","slug":"%e7%bc%93%e5%ad%98%e9%9b%aa%e5%b4%a9%e5%92%8c%e5%87%bb%e7%a9%bf%e6%80%8e%e4%b9%88%e6%89%8d%e8%83%bd%e9%81%bf%e5%85%8d","status":"publish","type":"post","link":"https:\/\/t.n-years.com\/?p=6534","title":{"rendered":"\u7f13\u5b58\u96ea\u5d29\u548c\u51fb\u7a7f\u600e\u4e48\u624d\u80fd\u907f\u514d"},"content":{"rendered":"<p>\u7f13\u5b58\u96ea\u5d29\u548c\u7f13\u5b58\u51fb\u7a7f\u662f\u9ad8\u5e76\u53d1\u7cfb\u7edf\u4e2d\u5e38\u89c1\u7684\u7f13\u5b58\u95ee\u9898\uff0c\u53ef\u80fd\u5bfc\u81f4\u7cfb\u7edf\u6027\u80fd\u6025\u5267\u4e0b\u964d\u6216\u670d\u52a1\u4e0d\u53ef\u7528\u3002\u4ee5\u4e0b\u662f\u5bf9\u8fd9\u4e24\u4e2a\u95ee\u9898\u7684\u8be6\u7ec6\u89e3\u91ca\u53ca\u5176\u89e3\u51b3\u65b9\u6848\uff1a<\/p>\n<h3>\u4e00\u3001\u7f13\u5b58\u96ea\u5d29<\/h3>\n<h4>1. <strong>\u5b9a\u4e49<\/strong><\/h4>\n<p>\u7f13\u5b58\u96ea\u5d29\u662f\u6307\u7f13\u5b58\u7cfb\u7edf\u5728\u77ed\u65f6\u95f4\u5185\u5927\u91cf\u7f13\u5b58\u540c\u65f6\u5931\u6548\uff0c\u5bfc\u81f4\u5927\u91cf\u8bf7\u6c42\u76f4\u63a5\u6253\u5230\u6570\u636e\u5e93\uff0c\u53ef\u80fd\u5f15\u53d1\u6570\u636e\u5e93\u8d1f\u8f7d\u8fc7\u9ad8\uff0c\u751a\u81f3\u5d29\u6e83\u7684\u73b0\u8c61\u3002<\/p>\n<h4>2. <strong>\u539f\u56e0<\/strong><\/h4>\n<ul>\n<li>\u7f13\u5b58\u4e2d\u7684\u6570\u636e\u8bbe\u7f6e\u4e86\u76f8\u540c\u7684\u8fc7\u671f\u65f6\u95f4\uff0c\u5bfc\u81f4\u5728\u67d0\u4e00\u65f6\u523b\u5927\u91cf\u7f13\u5b58\u540c\u65f6\u5931\u6548\u3002<\/li>\n<li>\u7f13\u5b58\u670d\u52a1\u5b95\u673a\uff0c\u6240\u6709\u7f13\u5b58\u6570\u636e\u90fd\u4e0d\u53ef\u7528\uff0c\u6240\u6709\u8bf7\u6c42\u76f4\u63a5\u8f6c\u5411\u6570\u636e\u5e93\u3002<\/li>\n<\/ul>\n<h4>3. <strong>\u89e3\u51b3\u65b9\u6848<\/strong><\/h4>\n<ul>\n<li><strong>\u8bbe\u7f6e\u7f13\u5b58\u8fc7\u671f\u65f6\u95f4\u7684\u968f\u673a\u5316<\/strong>\uff1a\u5728\u8bbe\u7f6e\u7f13\u5b58\u8fc7\u671f\u65f6\u95f4\u65f6\uff0c\u5f15\u5165\u4e00\u5b9a\u7684\u968f\u673a\u503c\uff0c\u907f\u514d\u5927\u91cf\u7f13\u5b58\u540c\u65f6\u8fc7\u671f\u3002\u4f8b\u5982\uff0c<code>TTL = \u57fa\u7840\u8fc7\u671f\u65f6\u95f4 + \u968f\u673a\u65f6\u95f4\uff08\u5982 1-5 \u5206\u949f\u7684\u968f\u673a\u6570\uff09<\/code>\u3002<\/li>\n<li><strong>\u53cc\u91cd\u7f13\u5b58\u673a\u5236<\/strong>\uff1a\u5728\u7f13\u5b58\u8fc7\u671f\u65f6\uff0c\u4e0d\u7acb\u5373\u4ece\u6570\u636e\u5e93\u8bfb\u53d6\u5e76\u66f4\u65b0\u7f13\u5b58\uff0c\u800c\u662f\u5148\u8fd4\u56de\u65e7\u7684\u7f13\u5b58\u6570\u636e\uff0c\u540c\u65f6\u5728\u540e\u53f0\u5f02\u6b65\u66f4\u65b0\u7f13\u5b58\u3002\u8fd9\u6837\u53ef\u4ee5\u7f13\u89e3\u77ac\u65f6\u6d41\u91cf\u538b\u529b\u3002<\/li>\n<li><strong>\u7f13\u5b58\u9884\u70ed<\/strong>\uff1a\u5728\u7cfb\u7edf\u542f\u52a8\u6216\u9ad8\u5e76\u53d1\u573a\u666f\u5373\u5c06\u5230\u6765\u65f6\uff0c\u63d0\u524d\u52a0\u8f7d\u53ef\u80fd\u88ab\u9891\u7e41\u8bbf\u95ee\u7684\u6570\u636e\u5230\u7f13\u5b58\u4e2d\uff0c\u907f\u514d\u77ed\u65f6\u95f4\u5185\u5927\u91cf\u6570\u636e\u8bf7\u6c42\u76f4\u63a5\u5230\u6570\u636e\u5e93\u3002<\/li>\n<li><strong>\u9650\u6d41\u964d\u7ea7<\/strong>\uff1a\u5f53\u68c0\u6d4b\u5230\u7f13\u5b58\u96ea\u5d29\u98ce\u9669\u65f6\uff0c\u5bf9\u8bf7\u6c42\u8fdb\u884c\u9650\u6d41\u6216\u964d\u7ea7\u5904\u7406\uff0c\u5982\u90e8\u5206\u8bf7\u6c42\u76f4\u63a5\u8fd4\u56de\u9519\u8bef\u6216\u9ed8\u8ba4\u503c\uff0c\u907f\u514d\u5168\u90e8\u8bf7\u6c42\u76f4\u63a5\u6253\u5230\u6570\u636e\u5e93\u3002<\/li>\n<\/ul>\n<h3>\u4e8c\u3001\u7f13\u5b58\u51fb\u7a7f<\/h3>\n<h4>1. <strong>\u5b9a\u4e49<\/strong><\/h4>\n<p>\u7f13\u5b58\u51fb\u7a7f\u662f\u6307\u67d0\u4e9b\u70ed\u70b9\u6570\u636e\uff08\u5373\u8bbf\u95ee\u91cf\u975e\u5e38\u5927\u7684\u6570\u636e\uff09\u5728\u7f13\u5b58\u4e2d\u5931\u6548\u540e\uff0c\u7531\u4e8e\u5e76\u53d1\u8bf7\u6c42\u91cf\u5927\uff0c\u591a\u4e2a\u8bf7\u6c42\u540c\u65f6\u7a7f\u900f\u5230\u6570\u636e\u5e93\uff0c\u5bfc\u81f4\u6570\u636e\u5e93\u538b\u529b\u9aa4\u589e\u7684\u73b0\u8c61\u3002<\/p>\n<h4>2. <strong>\u539f\u56e0<\/strong><\/h4>\n<ul>\n<li>\u70ed\u70b9\u6570\u636e\u7531\u4e8e\u9891\u7e41\u8bbf\u95ee\uff0c\u7f13\u5b58\u5931\u6548\u7684\u77ac\u95f4\uff0c\u5927\u91cf\u8bf7\u6c42\u6ca1\u6709\u7f13\u5b58\u4fdd\u62a4\uff0c\u76f4\u63a5\u8bbf\u95ee\u6570\u636e\u5e93\u3002<\/li>\n<\/ul>\n<h4>3. <strong>\u89e3\u51b3\u65b9\u6848<\/strong><\/h4>\n<ul>\n<li><strong>\u4e92\u65a5\u9501\u673a\u5236\uff08Mutex\uff09<\/strong>\uff1a\u5728\u7f13\u5b58\u5931\u6548\u65f6\uff0c\u901a\u8fc7\u52a0\u9501\u673a\u5236\u63a7\u5236\u5e76\u53d1\u8bbf\u95ee\uff0c\u53ea\u5141\u8bb8\u4e00\u4e2a\u8bf7\u6c42\u4ece\u6570\u636e\u5e93\u4e2d\u52a0\u8f7d\u6570\u636e\u5e76\u66f4\u65b0\u7f13\u5b58\uff0c\u5176\u4ed6\u8bf7\u6c42\u7b49\u5f85\u6216\u76f4\u63a5\u8fd4\u56de\u65e7\u7f13\u5b58\u6570\u636e\u3002\u5177\u4f53\u5b9e\u73b0\u4e0a\uff0c\u53ef\u4ee5\u4f7f\u7528 Redis \u7684\u5206\u5e03\u5f0f\u9501\u673a\u5236\uff0c\u5982 <code>SETNX<\/code> \u5b9e\u73b0\u4e92\u65a5\u3002<\/li>\n<li><strong>\u70ed\u70b9\u6570\u636e\u6c38\u4e0d\u8fc7\u671f<\/strong>\uff1a\u5bf9\u4e8e\u4e00\u4e9b\u7279\u5b9a\u7684\u70ed\u70b9\u6570\u636e\uff0c\u53ef\u4ee5\u8bbe\u7f6e\u4e3a\u6c38\u4e0d\u8fc7\u671f\uff0c\u53ea\u5728\u6570\u636e\u66f4\u65b0\u65f6\u624b\u52a8\u5237\u65b0\u7f13\u5b58\uff0c\u907f\u514d\u7f13\u5b58\u5931\u6548\u3002<\/li>\n<li><strong>\u63d0\u524d\u66f4\u65b0\u7f13\u5b58<\/strong>\uff1a\u5728\u70ed\u70b9\u6570\u636e\u5373\u5c06\u8fc7\u671f\u65f6\uff0c\u901a\u8fc7\u540e\u53f0\u8fdb\u7a0b\u63d0\u524d\u5237\u65b0\u7f13\u5b58\uff0c\u4fdd\u8bc1\u7f13\u5b58\u4e0d\u4f1a\u5931\u6548\u3002<\/li>\n<li><strong>\u5f02\u6b65\u66f4\u65b0\u7f13\u5b58<\/strong>\uff1a\u5141\u8bb8\u591a\u4e2a\u7ebf\u7a0b\u67e5\u8be2\u6570\u636e\u5e93\uff0c\u4f46\u53ea\u5141\u8bb8\u7b2c\u4e00\u4e2a\u8bf7\u6c42\u8005\u66f4\u65b0\u7f13\u5b58\uff0c\u5176\u4ed6\u7ebf\u7a0b\u4ecd\u8fd4\u56de\u65e7\u7f13\u5b58\u6570\u636e\uff0c\u51cf\u5c11\u5bf9\u6570\u636e\u5e93\u7684\u51b2\u51fb\u3002<\/li>\n<\/ul>\n<h3>\u7ed3\u8bba<\/h3>\n<p>\u7f13\u5b58\u96ea\u5d29\u548c\u7f13\u5b58\u51fb\u7a7f\u90fd\u662f\u53ef\u80fd\u5728\u9ad8\u5e76\u53d1\u573a\u666f\u4e0b\u5bf9\u6570\u636e\u5e93\u9020\u6210\u4e25\u91cd\u51b2\u51fb\u7684\u95ee\u9898\u3002\u901a\u8fc7\u8bbe\u7f6e\u5408\u7406\u7684\u7f13\u5b58\u7b56\u7565\u3001\u5f15\u5165\u9501\u673a\u5236\u3001\u968f\u673a\u5316\u8fc7\u671f\u65f6\u95f4\u7b49\u65b9\u6cd5\uff0c\u53ef\u4ee5\u6709\u6548\u907f\u514d\u8fd9\u4e9b\u95ee\u9898\uff0c\u4ece\u800c\u4fdd\u8bc1\u7cfb\u7edf\u7684\u9ad8\u53ef\u7528\u6027\u548c\u7a33\u5b9a\u6027\u3002<\/p>\n","protected":false},"excerpt":{"rendered":"<p>\u7f13\u5b58\u96ea\u5d29\u548c\u7f13\u5b58\u51fb\u7a7f\u662f\u9ad8\u5e76\u53d1\u7cfb\u7edf\u4e2d\u5e38\u89c1\u7684\u7f13\u5b58\u95ee\u9898\uff0c\u53ef\u80fd\u5bfc\u81f4\u7cfb\u7edf\u6027\u80fd\u6025\u5267\u4e0b\u964d\u6216\u670d\u52a1\u4e0d\u53ef\u7528\u3002\u4ee5\u4e0b\u662f\u5bf9\u8fd9\u4e24\u4e2a\u95ee\u9898\u7684\u8be6\u7ec6&#8230; <\/p>\n<div class=\"read-more navbutton\"><a href=\"https:\/\/t.n-years.com\/?p=6534\">\u9605\u8bfb\u66f4\u591a<i class=\"fa fa-angle-double-right\"><\/i><\/a><\/div>\n","protected":false},"author":1,"featured_media":0,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[123],"tags":[],"class_list":["post-6534","post","type-post","status-publish","format-standard","hentry","category-123"],"_links":{"self":[{"href":"https:\/\/t.n-years.com\/index.php?rest_route=\/wp\/v2\/posts\/6534","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/t.n-years.com\/index.php?rest_route=\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/t.n-years.com\/index.php?rest_route=\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/t.n-years.com\/index.php?rest_route=\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"https:\/\/t.n-years.com\/index.php?rest_route=%2Fwp%2Fv2%2Fcomments&post=6534"}],"version-history":[{"count":1,"href":"https:\/\/t.n-years.com\/index.php?rest_route=\/wp\/v2\/posts\/6534\/revisions"}],"predecessor-version":[{"id":6535,"href":"https:\/\/t.n-years.com\/index.php?rest_route=\/wp\/v2\/posts\/6534\/revisions\/6535"}],"wp:attachment":[{"href":"https:\/\/t.n-years.com\/index.php?rest_route=%2Fwp%2Fv2%2Fmedia&parent=6534"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/t.n-years.com\/index.php?rest_route=%2Fwp%2Fv2%2Fcategories&post=6534"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/t.n-years.com\/index.php?rest_route=%2Fwp%2Fv2%2Ftags&post=6534"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}