{"id":61289,"date":"2024-10-13T10:00:16","date_gmt":"2024-10-13T02:00:16","guid":{"rendered":"https:\/\/server.hk\/cnblog\/61289\/"},"modified":"2024-10-13T10:00:16","modified_gmt":"2024-10-13T02:00:16","slug":"erlang-%e6%95%b8%e6%93%9a%e5%ba%ab%e4%ba%8b%e5%8b%99%ef%bc%9a%e5%af%a6%e7%8f%be%e5%88%86%e4%bd%88%e5%bc%8f%e7%b3%bb%e7%b5%b1%e7%9a%84%e5%8f%af%e9%9d%a0%e6%80%a7-erlang-%e6%95%b8%e6%93%9a%e5%ba%ab","status":"publish","type":"post","link":"https:\/\/server.hk\/cnblog\/61289\/","title":{"rendered":"Erlang \u6578\u64da\u5eab\u4e8b\u52d9\uff1a\u5be6\u73fe\u5206\u4f48\u5f0f\u7cfb\u7d71\u7684\u53ef\u9760\u6027 (erlang \u6578\u64da\u5eab \u4e8b\u52d9)"},"content":{"rendered":"<h1 id=\"erlang-%e6%95%b8%e6%93%9a%e5%ba%ab%e4%ba%8b%e5%8b%99%ef%bc%9a%e5%af%a6%e7%8f%be%e5%88%86%e4%bd%88%e5%bc%8f%e7%b3%bb%e7%b5%b1%e7%9a%84%e5%8f%af%e9%9d%a0%e6%80%a7-ljQifOjBJq\">Erlang \u6578\u64da\u5eab\u4e8b\u52d9\uff1a\u5be6\u73fe\u5206\u4f48\u5f0f\u7cfb\u7d71\u7684\u53ef\u9760\u6027<\/h1>\n<p>\u5728\u7576\u4eca\u7684\u6280\u8853\u74b0\u5883\u4e2d\uff0c\u5206\u4f48\u5f0f\u7cfb\u7d71\u7684\u53ef\u9760\u6027\u662f\u4f01\u696d\u6210\u529f\u7684\u95dc\u9375\u56e0\u7d20\u4e4b\u4e00\u3002Erlang \u4f5c\u70ba\u4e00\u7a2e\u5c08\u70ba\u4e26\u767c\u548c\u5206\u4f48\u5f0f\u7cfb\u7d71\u8a2d\u8a08\u7684\u7de8\u7a0b\u8a9e\u8a00\uff0c\u63d0\u4f9b\u4e86\u5f37\u5927\u7684\u5de5\u5177\u4f86\u8655\u7406\u6578\u64da\u5eab\u4e8b\u52d9\u3002\u672c\u6587\u5c07\u63a2\u8a0e Erlang \u6578\u64da\u5eab\u4e8b\u52d9\u7684\u57fa\u672c\u6982\u5ff5\u53ca\u5176\u5728\u5206\u4f48\u5f0f\u7cfb\u7d71\u4e2d\u7684\u61c9\u7528\uff0c\u4e26\u63d0\u4f9b\u4e00\u4e9b\u5be6\u7528\u7684\u793a\u4f8b\u548c\u4ee3\u78bc\u7247\u6bb5\u3002<\/p>\n<h2 id=\"erlang-%e7%9a%84%e7%89%b9%e6%80%a7-ljQifOjBJq\">Erlang \u7684\u7279\u6027<\/h2>\n<p>Erlang \u7684\u8a2d\u8a08\u521d\u8877\u662f\u70ba\u4e86\u652f\u6301\u9ad8\u53ef\u7528\u6027\u548c\u5bb9\u932f\u6027\u3002\u5176\u4e3b\u8981\u7279\u6027\u5305\u62ec\uff1a<\/p>\n<ul>\n<li><strong>\u4e26\u767c\u6027\uff1a<\/strong> Erlang \u652f\u6301\u8f15\u91cf\u7d1a\u7684\u9032\u7a0b\uff0c\u9019\u4f7f\u5f97\u5b83\u80fd\u5920\u540c\u6642\u8655\u7406\u5927\u91cf\u7684\u8acb\u6c42\u3002<\/li>\n<li><strong>\u5bb9\u932f\u6027\uff1a<\/strong> Erlang \u7684\u76e3\u63a7\u548c\u91cd\u555f\u6a5f\u5236\u80fd\u5920\u81ea\u52d5\u8655\u7406\u9032\u7a0b\u6545\u969c\uff0c\u78ba\u4fdd\u7cfb\u7d71\u7684\u7a69\u5b9a\u6027\u3002<\/li>\n<li><strong>\u5206\u4f48\u5f0f\uff1a<\/strong> Erlang \u7684\u5206\u4f48\u5f0f\u7279\u6027\u4f7f\u5f97\u5b83\u80fd\u5920\u5728\u591a\u500b\u7bc0\u9ede\u4e4b\u9593\u8f15\u9b06\u5730\u9032\u884c\u901a\u4fe1\u3002<\/li>\n<\/ul>\n<h2 id=\"%e6%95%b8%e6%93%9a%e5%ba%ab%e4%ba%8b%e5%8b%99%e7%9a%84%e5%9f%ba%e6%9c%ac%e6%a6%82%e5%bf%b5-ljQifOjBJq\">\u6578\u64da\u5eab\u4e8b\u52d9\u7684\u57fa\u672c\u6982\u5ff5<\/h2>\n<p>\u6578\u64da\u5eab\u4e8b\u52d9\u662f\u4e00\u7d44\u64cd\u4f5c\u7684\u96c6\u5408\uff0c\u9019\u4e9b\u64cd\u4f5c\u8981\u9ebc\u5168\u90e8\u6210\u529f\uff0c\u8981\u9ebc\u5168\u90e8\u5931\u6557\u3002\u9019\u4e00\u7279\u6027\u88ab\u7a31\u70ba\u539f\u5b50\u6027\uff08Atomicity\uff09\u3002\u5728 Erlang \u4e2d\uff0c\u6578\u64da\u5eab\u4e8b\u52d9\u901a\u5e38\u6d89\u53ca\u5230\u4ee5\u4e0b\u5e7e\u500b\u65b9\u9762\uff1a<\/p>\n<ul>\n<li><strong>\u4e00\u81f4\u6027\uff08Consistency\uff09\uff1a<\/strong> \u4e8b\u52d9\u7684\u57f7\u884c\u5fc5\u9808\u4f7f\u6578\u64da\u5eab\u5f9e\u4e00\u500b\u4e00\u81f4\u72c0\u614b\u8f49\u8b8a\u5230\u53e6\u4e00\u500b\u4e00\u81f4\u72c0\u614b\u3002<\/li>\n<li><strong>\u9694\u96e2\u6027\uff08Isolation\uff09\uff1a<\/strong> \u4e8b\u52d9\u7684\u57f7\u884c\u4e0d\u61c9\u8a72\u53d7\u5230\u5176\u4ed6\u4e8b\u52d9\u7684\u5f71\u97ff\u3002<\/li>\n<li><strong>\u6301\u4e45\u6027\uff08Durability\uff09\uff1a<\/strong> \u4e00\u65e6\u4e8b\u52d9\u63d0\u4ea4\uff0c\u6578\u64da\u7684\u8b8a\u66f4\u61c9\u8a72\u6c38\u4e45\u4fdd\u5b58\u3002<\/li>\n<\/ul>\n<h2 id=\"erlang-%e4%b8%ad%e7%9a%84%e6%95%b8%e6%93%9a%e5%ba%ab%e4%ba%8b%e5%8b%99%e5%af%a6%e7%8f%be-ljQifOjBJq\">Erlang \u4e2d\u7684\u6578\u64da\u5eab\u4e8b\u52d9\u5be6\u73fe<\/h2>\n<p>\u5728 Erlang \u4e2d\uff0c\u5be6\u73fe\u6578\u64da\u5eab\u4e8b\u52d9\u901a\u5e38\u4f9d\u8cf4\u65bc OTP\uff08Open Telecom Platform\uff09\u548c Mnesia \u6578\u64da\u5eab\u3002Mnesia \u662f Erlang \u7684\u5167\u5efa\u5206\u4f48\u5f0f\u6578\u64da\u5eab\uff0c\u652f\u6301\u4e8b\u52d9\u64cd\u4f5c\u3002\u4ee5\u4e0b\u662f\u4e00\u500b\u7c21\u55ae\u7684\u793a\u4f8b\uff0c\u5c55\u793a\u5982\u4f55\u5728 Mnesia \u4e2d\u57f7\u884c\u4e8b\u52d9\uff1a<\/p>\n<pre><code>\n% \u521d\u59cb\u5316 Mnesia\nmnesia:start().\n\n% \u5275\u5efa\u4e00\u500b\u8868\nmnesia:create_table(my_table, [{attributes, record_info(fields, my_record)}]).\n\n% \u5b9a\u7fa9\u4e00\u500b\u4e8b\u52d9\nmnesia:transaction(fun() -&gt;\n    mnesia:write(#my_record{id=1, value=\"Hello, World!\"})\nend).\n<\/code><\/pre>\n<p>\u5728\u9019\u500b\u793a\u4f8b\u4e2d\uff0c\u6211\u5011\u9996\u5148\u555f\u52d5 Mnesia\uff0c\u7136\u5f8c\u5275\u5efa\u4e00\u500b\u540d\u70ba `my_table` \u7684\u8868\uff0c\u63a5\u8457\u5b9a\u7fa9\u4e86\u4e00\u500b\u4e8b\u52d9\u4f86\u5beb\u5165\u6578\u64da\u3002\u9019\u6a23\u7684\u8a2d\u8a08\u78ba\u4fdd\u4e86\u6578\u64da\u7684\u4e00\u81f4\u6027\u548c\u6301\u4e45\u6027\u3002<\/p>\n<h2 id=\"%e5%88%86%e4%bd%88%e5%bc%8f%e7%b3%bb%e7%b5%b1%e4%b8%ad%e7%9a%84%e5%8f%af%e9%9d%a0%e6%80%a7-ljQifOjBJq\">\u5206\u4f48\u5f0f\u7cfb\u7d71\u4e2d\u7684\u53ef\u9760\u6027<\/h2>\n<p>\u5728\u5206\u4f48\u5f0f\u7cfb\u7d71\u4e2d\uff0c\u6578\u64da\u5eab\u4e8b\u52d9\u7684\u53ef\u9760\u6027\u81f3\u95dc\u91cd\u8981\u3002Erlang \u7684\u5bb9\u932f\u6a5f\u5236\u4f7f\u5f97\u7cfb\u7d71\u80fd\u5920\u5728\u67d0\u500b\u7bc0\u9ede\u5931\u6548\u7684\u60c5\u6cc1\u4e0b\uff0c\u4ecd\u7136\u4fdd\u6301\u6578\u64da\u7684\u4e00\u81f4\u6027\u3002\u9019\u662f\u901a\u904e\u4ee5\u4e0b\u65b9\u5f0f\u5be6\u73fe\u7684\uff1a<\/p>\n<ul>\n<li><strong>\u76e3\u63a7\u9032\u7a0b\uff1a<\/strong> Erlang \u7684\u76e3\u63a7\u6a5f\u5236\u80fd\u5920\u6aa2\u6e2c\u5230\u9032\u7a0b\u7684\u5931\u6548\uff0c\u4e26\u81ea\u52d5\u91cd\u555f\u3002<\/li>\n<li><strong>\u6578\u64da\u8907\u88fd\uff1a<\/strong> \u5728\u591a\u500b\u7bc0\u9ede\u4e4b\u9593\u8907\u88fd\u6578\u64da\uff0c\u78ba\u4fdd\u5373\u4f7f\u67d0\u500b\u7bc0\u9ede\u5931\u6548\uff0c\u6578\u64da\u4ecd\u7136\u53ef\u7528\u3002<\/li>\n<li><strong>\u4e8b\u52d9\u56de\u6efe\uff1a<\/strong> \u5982\u679c\u4e8b\u52d9\u57f7\u884c\u5931\u6557\uff0cErlang \u80fd\u5920\u81ea\u52d5\u56de\u6efe\u5230\u4e4b\u524d\u7684\u4e00\u81f4\u72c0\u614b\u3002<\/li>\n<\/ul>\n<h2 id=\"%e7%b5%90%e8%ab%96-ljQifOjBJq\">\u7d50\u8ad6<\/h2>\n<p>Erlang \u63d0\u4f9b\u4e86\u4e00\u500b\u5f37\u5927\u7684\u6846\u67b6\u4f86\u5be6\u73fe\u5206\u4f48\u5f0f\u7cfb\u7d71\u4e2d\u7684\u6578\u64da\u5eab\u4e8b\u52d9\uff0c\u78ba\u4fdd\u4e86\u7cfb\u7d71\u7684\u53ef\u9760\u6027\u548c\u7a69\u5b9a\u6027\u3002\u901a\u904e\u4f7f\u7528 Mnesia \u548c Erlang \u7684\u5167\u5efa\u7279\u6027\uff0c\u958b\u767c\u8005\u53ef\u4ee5\u8f15\u9b06\u5730\u69cb\u5efa\u9ad8\u53ef\u7528\u6027\u7684\u61c9\u7528\u7a0b\u5e8f\u3002\u96a8\u8457\u5206\u4f48\u5f0f\u7cfb\u7d71\u7684\u9700\u6c42\u4e0d\u65b7\u589e\u9577\uff0cErlang \u5c07\u7e7c\u7e8c\u5728\u9019\u4e00\u9818\u57df\u767c\u63ee\u91cd\u8981\u4f5c\u7528\u3002<\/p>\n<p>\u5982\u679c\u60a8\u5c0d\u65bc\u5982\u4f55\u5728\u5206\u4f48\u5f0f\u7cfb\u7d71\u4e2d\u5be6\u73fe\u53ef\u9760\u7684\u6578\u64da\u5eab\u4e8b\u52d9\u6709\u9032\u4e00\u6b65\u7684\u8208\u8da3\uff0c\u6b61\u8fce\u8a2a\u554f\u6211\u5011\u7684\u7db2\u7ad9\u4e86\u89e3\u66f4\u591a\u8cc7\u8a0a\uff0c\u63a2\u7d22\u6211\u5011\u7684 <a href=\"https:\/\/server.hk\">VPS<\/a> \u89e3\u6c7a\u65b9\u6848\uff0c\u52a9\u60a8\u69cb\u5efa\u7a69\u5b9a\u7684\u61c9\u7528\u74b0\u5883\u3002<\/p>\n","protected":false},"excerpt":{"rendered":"<p>\u63a2\u7d22Erlang\u6578\u64da\u5eab\u4e8b\u52d9\u5982\u4f55\u63d0\u5347\u5206\u4f48\u5f0f\u7cfb\u7d71\u7684\u53ef\u9760\u6027\uff0c\u78ba\u4fdd\u6578\u64da\u4e00\u81f4\u6027\u8207\u9ad8\u6548\u80fd\u3002<\/p>\n","protected":false},"author":1,"featured_media":0,"comment_status":"closed","ping_status":"","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[101],"tags":[],"class_list":["post-61289","post","type-post","status-publish","format-standard","hentry","category-database"],"_links":{"self":[{"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/posts\/61289","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"}],"author":[{"embeddable":true,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/comments?post=61289"}],"version-history":[{"count":1,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/posts\/61289\/revisions"}],"predecessor-version":[{"id":61290,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/posts\/61289\/revisions\/61290"}],"wp:attachment":[{"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/media?parent=61289"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/categories?post=61289"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/tags?post=61289"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}