{"id":29993,"date":"2023-10-13T16:49:33","date_gmt":"2022-12-07T09:08:57","guid":{"rendered":"https:\/\/www.silicloud.com\/zh\/blog\/mongodb-3%e7%9a%84%e5%ad%98%e5%82%a8api%e6%98%af%e4%bb%80%e4%b9%88%e6%84%8f%e6%80%9d%ef%bc%9f\/"},"modified":"2025-08-12T16:57:16","modified_gmt":"2025-08-12T08:57:16","slug":"mongodb-3%e7%9a%84%e5%ad%98%e5%82%a8api%e6%98%af%e4%bb%80%e4%b9%88%e6%84%8f%e6%80%9d%ef%bc%9f","status":"publish","type":"post","link":"https:\/\/www.silicloud.com\/zh\/blog\/mongodb-3%e7%9a%84%e5%ad%98%e5%82%a8api%e6%98%af%e4%bb%80%e4%b9%88%e6%84%8f%e6%80%9d%ef%bc%9f\/","title":{"rendered":"MongoDB 3\u7684\u5b58\u50a8API\u662f\u4ec0\u4e48\u610f\u601d\uff1f"},"content":{"rendered":"<p>MongoDB 3\u5f15\u5165\u4e86\u4e00\u4e2a\u91cd\u5927\u53d8\u66f4\uff0c\u5176\u4e2d\u4e4b\u4e00\u662f\u5f15\u5165\u4e86\u5b58\u50a8API\u3002\u6211\u4f1a\u8bb0\u5f55\u4e0b\u6765\uff0c\u56e0\u4e3a\u6211\u5df2\u7ecf\u8c03\u67e5\u8fc7\u4e86\u3002<\/p>\n<h3>\u603b\u7ed3<\/h3>\n<p>\u4e2d\u56fd\u8bed\uff1a\u5b58\u50a8API\u7684\u7406\u5ff5\u662f\u5728\u63a5\u53d7\u67e5\u8be2\u7684\u90e8\u5206\u548c\u6301\u4e45\u5316\u6570\u636e\u7684\u90e8\u5206\uff08\u5b58\u50a8\uff09\u4e4b\u95f4\u8bbe\u7f6eAPI\uff0c\u4ee5\u4fbf\u4e8e\u8f7b\u677e\u66f4\u6362\u5b58\u50a8\u90e8\u5206\u3002<\/p>\n<p>\u8fd9\u6837\u4e00\u6765\uff0c\u7528\u6237\u53ef\u4ee5\u66f4\u6362\u4e3a\u66f4\u597d\u7684\u5b58\u50a8\u8bbe\u5907\uff0c\u5bf9\u4e8e\u5b58\u50a8\u5f00\u53d1\u8005\u6765\u8bf4\uff0cMongoDB\u7684\u67e5\u8be2\u63a5\u6536\u90e8\u5206\u5c06\u6210\u4e3a\u5b58\u50a8\u7684\u6d4b\u8bd5\u9a71\u52a8\u5668\u3002<\/p>\n<p>MongoDB 3\u7248\u672c\u4e2d\u6709\u4e24\u79cd\u53ef\u7528\u7684\u5b58\u50a8\u9009\u9879\u3002<\/p>\n<ul class=\"post-ul\">\n<li style=\"list-style-type: none;\">\n<ul class=\"post-ul\">\u5f93\u6765\u306emmap()\u30b7\u30b9\u30c6\u30e0\u30b3\u30fc\u30eb\u30d9\u30fc\u30b9(MMAPv1\u3068\u3088\u3070\u308c\u308b)<\/ul>\n<\/li>\n<\/ul>\n<p>&nbsp;<\/p>\n<ul class=\"post-ul\">WiredTiger<\/ul>\n<h3>\u5b9e\u65bd<\/h3>\n<p>\u901a\u8fc7\u67e5\u770b\u6e90\u4ee3\u7801\uff0c\u5f88\u5feb\u5c31\u53ef\u4ee5\u4e86\u89e3\u5230\u5b58\u50a8API\u7684\u5b9e\u73b0\u3002\u8be5API\u7684\u672c\u8d28\u662f\u4e00\u4e2aC++\u63a5\u53e3\u3002<br \/>\n\u4ee5\u4e0b\u7684\u6e90\u4ee3\u7801\u662f\u5b58\u50a8\u5f15\u64ce\u7684\u63a5\u53e3\u3002<\/p>\n<p>\u63a5\u53e3\u7684\u6e90\u4ee3\u7801\uff08\u6458\u5f55\uff09<br \/>\nhttps:\/\/github.com\/mongodb\/mongo\/blob\/v3.0\/src\/mongo\/db\/storage\/storage_engine.h<\/p>\n<pre class=\"post-pre\"><code><span class=\"k\">namespace<\/span> <span class=\"n\">mongo<\/span> <span class=\"p\">{<\/span>\r\n    <span class=\"cm\">\/**\r\n     * The StorageEngine class is the top level interface for creating a new storage\r\n     * engine.  All StorageEngine(s) must be registered by calling registerFactory in order\r\n     * to possibly be activated.\r\n     *\/<\/span>\r\n    <span class=\"k\">class<\/span> <span class=\"nc\">StorageEngine<\/span> <span class=\"p\">{<\/span> \r\n    <span class=\"nl\">public:<\/span>\r\n    <span class=\"k\">class<\/span> <span class=\"nc\">Factory<\/span> <span class=\"p\">{<\/span> <span class=\"cm\">\/*\u30b9\u30c8\u30ec\u30fc\u30b8\u30a8\u30f3\u30b8\u30f3\u30a4\u30f3\u30b9\u30bf\u30f3\u30b9\u306e\u30d5\u30a1\u30af\u30c8\u30ea*\/<\/span>\r\n        <span class=\"nl\">public:<\/span>\r\n        <span class=\"k\">virtual<\/span> <span class=\"o\">~<\/span><span class=\"n\">Factory<\/span><span class=\"p\">()<\/span> <span class=\"p\">{<\/span> <span class=\"p\">}<\/span>\r\n        <span class=\"k\">virtual<\/span> <span class=\"n\">StorageEngine<\/span><span class=\"o\">*<\/span> <span class=\"n\">create<\/span><span class=\"p\">(<\/span><span class=\"k\">const<\/span> <span class=\"n\">StorageGlobalParams<\/span><span class=\"o\">&amp;<\/span> <span class=\"n\">params<\/span><span class=\"p\">,<\/span>\r\n                <span class=\"k\">const<\/span> <span class=\"n\">StorageEngineLockFile<\/span><span class=\"o\">&amp;<\/span> <span class=\"n\">lockFile<\/span><span class=\"p\">)<\/span> <span class=\"k\">const<\/span> <span class=\"o\">=<\/span> <span class=\"mi\">0<\/span><span class=\"p\">;<\/span>\r\n        <span class=\"p\">...<\/span>\r\n    <span class=\"k\">virtual<\/span> <span class=\"kt\">void<\/span> <span class=\"n\">finishInit<\/span><span class=\"p\">()<\/span> <span class=\"p\">{}<\/span>   <span class=\"cm\">\/*\u30b9\u30c8\u30ec\u30fc\u30b8\u30a8\u30f3\u30b8\u30f3\u3067\u5b9f\u88c5\u3059\u3079\u304d\u95a2\u6570*\/<\/span>\r\n    <span class=\"k\">virtual<\/span> <span class=\"n\">RecoveryUnit<\/span><span class=\"o\">*<\/span> <span class=\"n\">newRecoveryUnit<\/span><span class=\"p\">()<\/span> <span class=\"o\">=<\/span> <span class=\"mi\">0<\/span><span class=\"p\">;<\/span> <span class=\"cm\">\/*\u30b9\u30c8\u30ec\u30fc\u30b8\u30a8\u30f3\u30b8\u30f3\u3067\u5b9f\u88c5\u3059\u3079\u304d\u95a2\u6570*\/<\/span>\r\n    <span class=\"k\">virtual<\/span> <span class=\"kt\">void<\/span> <span class=\"n\">listDatabases<\/span><span class=\"p\">(<\/span> <span class=\"n\">std<\/span><span class=\"o\">::<\/span><span class=\"n\">vector<\/span><span class=\"o\">&lt;<\/span><span class=\"n\">std<\/span><span class=\"o\">::<\/span><span class=\"n\">string<\/span><span class=\"o\">&gt;*<\/span> <span class=\"n\">out<\/span> <span class=\"p\">)<\/span> <span class=\"k\">const<\/span> <span class=\"o\">=<\/span> <span class=\"mi\">0<\/span><span class=\"p\">;<\/span> <span class=\"cm\">\/*\u30b9\u30c8\u30ec\u30fc\u30b8\u30a8\u30f3\u30b8\u30f3\u3067\u5b9f\u88c5\u3059\u3079\u304d\u95a2\u6570*\/<\/span>\r\n    <span class=\"p\">...<\/span>\r\n<\/code><\/pre>\n<p>MMAPv1\u548cWiredTiger\u90fd\u5b9e\u73b0\u4e86\u8fd9\u4e2a\u63a5\u53e3\u3002<\/p>\n<p>MMAPv1\u5f15\u64ce\u7684\u5b9e\u73b0\u6e90\u4ee3\u7801\u6458\u5f55\uff08\u94fe\u63a5\uff09\uff1ahttps:\/\/github.com\/mongodb\/mongo\/blob\/v3.0\/src\/mongo\/db\/storage\/mmap_v1\/mmap_v1_engine.h<\/p>\n<pre class=\"post-pre\"><code>    <span class=\"k\">class<\/span> <span class=\"nc\">MMAPV1Engine<\/span> <span class=\"o\">:<\/span> <span class=\"k\">public<\/span> <span class=\"n\">StorageEngine<\/span> <span class=\"p\">{<\/span> <span class=\"cm\">\/*\u7d99\u627f\u3057\u3066\u3044\u308b*\/<\/span>\r\n    <span class=\"nl\">public:<\/span>\r\n        <span class=\"n\">MMAPV1Engine<\/span><span class=\"p\">(<\/span><span class=\"k\">const<\/span> <span class=\"n\">StorageEngineLockFile<\/span><span class=\"o\">&amp;<\/span> <span class=\"n\">lockFile<\/span><span class=\"p\">);<\/span>\r\n        <span class=\"k\">virtual<\/span> <span class=\"o\">~<\/span><span class=\"n\">MMAPV1Engine<\/span><span class=\"p\">();<\/span>\r\n\r\n        <span class=\"kt\">void<\/span> <span class=\"n\">finishInit<\/span><span class=\"p\">();<\/span>\r\n\r\n        <span class=\"n\">RecoveryUnit<\/span><span class=\"o\">*<\/span> <span class=\"n\">newRecoveryUnit<\/span><span class=\"p\">();<\/span>\r\n\r\n<\/code><\/pre>\n<h3>\u5176\u4ed6\u5b58\u50a8\u5f15\u64ce<\/h3>\n<p>\u5728ObjectRocket\u4e2d\uff0c\u4f3c\u4e4e\u8fd8\u53ef\u4ee5\u8f7b\u677e\u4f7f\u7528ROCKSDB\u3002<\/p>\n<p>\u987a\u4fbf\u63d0\u4e00\u4e0b\uff0cObjectRocket\u5e94\u8be5\u662f\u7531Rackspace\u516c\u53f8\u63a8\u51fa\u7684\uff0c\u4e13\u95e8\u9488\u5bf9MongoDB\u8fdb\u884c\u8c03\u6574\u7684\u6570\u636e\u5e93\u670d\u52a1\u3002<\/p>\n","protected":false},"excerpt":{"rendered":"<p>MongoDB 3\u5f15\u5165\u4e86\u4e00\u4e2a\u91cd\u5927\u53d8\u66f4\uff0c\u5176\u4e2d\u4e4b\u4e00\u662f\u5f15\u5165\u4e86\u5b58\u50a8API\u3002\u6211\u4f1a\u8bb0\u5f55\u4e0b\u6765\uff0c\u56e0\u4e3a\u6211\u5df2\u7ecf\u8c03\u67e5\u8fc7\u4e86\u3002 \u603b\u7ed3 \u4e2d [&hellip;]<\/p>\n","protected":false},"author":3,"featured_media":0,"comment_status":"closed","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[1],"tags":[227],"class_list":["post-29993","post","type-post","status-publish","format-standard","hentry","category-uncategorized","tag-227"],"yoast_head":"<!-- This site is optimized with the Yoast SEO Premium plugin v21.5 (Yoast SEO v21.5) - https:\/\/yoast.com\/wordpress\/plugins\/seo\/ -->\n<title>MongoDB 3\u7684\u5b58\u50a8API\u662f\u4ec0\u4e48\u610f\u601d\uff1f - Blog - Silicon Cloud<\/title>\n<meta name=\"description\" content=\"\u5173\u4e8eMongoDB 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