{"id":247358,"date":"2024-01-02T21:00:22","date_gmt":"2024-01-02T13:00:22","guid":{"rendered":"https:\/\/www.idc.net\/help\/247358\/"},"modified":"2024-01-02T21:00:22","modified_gmt":"2024-01-02T13:00:22","slug":"mongodb-%e6%9c%af%e8%af%ad-mmapv1","status":"publish","type":"post","link":"https:\/\/idc.net\/help\/247358\/","title":{"rendered":"MongoDB \u672f\u8bed &#8211; MMAPv1"},"content":{"rendered":"<p><title id=\"mongodb-%e6%9c%af%e8%af%ad-mmapv1-NGxdLQHLrV\">MongoDB \u672f\u8bed - MMAPv1<\/title><\/p>\n<h1 id=\"mongodb-%e6%9c%af%e8%af%ad-mmapv1-NGxdLQHLrV\">MongoDB \u672f\u8bed - MMAPv1<\/h1>\n<p>\u5728MongoDB\u4e2d\uff0cMMAPv1\u662f\u4e00\u79cd\u5b58\u50a8\u5f15\u64ce\uff0c\u7528\u4e8e\u7ba1\u7406\u6570\u636e\u5728\u78c1\u76d8\u4e0a\u7684\u5b58\u50a8\u548c\u8bbf\u95ee\u3002\u5b83\u662fMongoDB\u65e9\u671f\u7248\u672c\u4e2d\u9ed8\u8ba4\u7684\u5b58\u50a8\u5f15\u64ce\uff0c\u4f46\u5728MongoDB 3.2\u7248\u672c\u4e2d\u88abWiredTiger\u5f15\u64ce\u53d6\u4ee3\u3002<\/p>\n<h2 id=\"mmapv1%e7%9a%84%e5%b7%a5%e4%bd%9c%e5%8e%9f%e7%90%86-NGxdLQHLrV\">MMAPv1\u7684\u5de5\u4f5c\u539f\u7406<\/h2>\n<p>MMAPv1\u4f7f\u7528\u4e86\u5185\u5b58\u6620\u5c04\u6587\u4ef6\u7684\u6280\u672f\uff0c\u5c06\u78c1\u76d8\u4e0a\u7684\u6570\u636e\u6587\u4ef6\u6620\u5c04\u5230\u8fdb\u7a0b\u7684\u865a\u62df\u5185\u5b58\u7a7a\u95f4\u4e2d\u3002\u8fd9\u6837\uff0cMongoDB\u53ef\u4ee5\u76f4\u63a5\u5728\u5185\u5b58\u4e2d\u5bf9\u6570\u636e\u8fdb\u884c\u8bfb\u5199\u64cd\u4f5c\uff0c\u800c\u65e0\u9700\u901a\u8fc7\u64cd\u4f5c\u7cfb\u7edf\u7684\u6587\u4ef6\u7cfb\u7edf\u8c03\u7528\u3002<\/p>\n<p>MMAPv1\u5c06\u6570\u636e\u6587\u4ef6\u5212\u5206\u4e3a\u591a\u4e2a\u5927\u5c0f\u76f8\u7b49\u7684\u9875\uff08\u9ed8\u8ba4\u4e3a2MB\uff09\uff0c\u6bcf\u4e2a\u9875\u90fd\u6709\u4e00\u4e2a\u552f\u4e00\u7684\u6807\u8bc6\u7b26\u3002\u5f53\u9700\u8981\u8bfb\u53d6\u6216\u5199\u5165\u6570\u636e\u65f6\uff0cMongoDB\u4f1a\u5c06\u76f8\u5e94\u7684\u9875\u52a0\u8f7d\u5230\u5185\u5b58\u4e2d\uff0c\u5e76\u5728\u9700\u8981\u65f6\u5c06\u5176\u5237\u65b0\u56de\u78c1\u76d8\u3002<\/p>\n<h2 id=\"mmapv1%e7%9a%84%e4%bc%98%e7%82%b9-NGxdLQHLrV\">MMAPv1\u7684\u4f18\u70b9<\/h2>\n<p>MMAPv1\u7684\u4e3b\u8981\u4f18\u70b9\u662f\u7b80\u5355\u548c\u53ef\u9760\u3002\u5b83\u5229\u7528\u4e86\u64cd\u4f5c\u7cfb\u7edf\u7684\u865a\u62df\u5185\u5b58\u7ba1\u7406\u529f\u80fd\uff0c\u53ef\u4ee5\u81ea\u52a8\u5c06\u6570\u636e\u4ece\u78c1\u76d8\u52a0\u8f7d\u5230\u5185\u5b58\u4e2d\uff0c\u5e76\u5728\u9700\u8981\u65f6\u5c06\u5176\u5237\u65b0\u56de\u78c1\u76d8\u3002\u8fd9\u79cd\u673a\u5236\u4f7f\u5f97MMAPv1\u975e\u5e38\u9002\u5408\u4e8e\u5904\u7406\u5927\u91cf\u7684\u968f\u673a\u8bfb\u5199\u64cd\u4f5c\u3002<\/p>\n<p>\u6b64\u5916\uff0cMMAPv1\u8fd8\u652f\u6301\u590d\u5236\u548c\u6545\u969c\u6062\u590d\u3002\u5b83\u4f7f\u7528\u4e86\u5199\u65f6\u590d\u5236\uff08copy-on-write\uff09\u7684\u6280\u672f\uff0c\u53ef\u4ee5\u5728\u5199\u5165\u6570\u636e\u65f6\u521b\u5efa\u526f\u672c\uff0c\u4ee5\u4fdd\u8bc1\u6570\u636e\u7684\u4e00\u81f4\u6027\u548c\u53ef\u9760\u6027\u3002<\/p>\n<h2 id=\"mmapv1%e7%9a%84%e7%bc%ba%e7%82%b9-NGxdLQHLrV\">MMAPv1\u7684\u7f3a\u70b9<\/h2>\n<p>\u5c3d\u7ba1MMAPv1\u5728\u67d0\u4e9b\u65b9\u9762\u8868\u73b0\u51fa\u8272\uff0c\u4f46\u5b83\u4e5f\u6709\u4e00\u4e9b\u7f3a\u70b9\u3002\u5176\u4e2d\u6700\u4e3b\u8981\u7684\u7f3a\u70b9\u662f\u6027\u80fd\u95ee\u9898\u3002\u7531\u4e8eMMAPv1\u9700\u8981\u5c06\u6570\u636e\u4ece\u78c1\u76d8\u52a0\u8f7d\u5230\u5185\u5b58\u4e2d\uff0c\u5e76\u5728\u9700\u8981\u65f6\u5c06\u5176\u5237\u65b0\u56de\u78c1\u76d8\uff0c\u8fd9\u4f1a\u5bfc\u81f4\u989d\u5916\u7684IO\u5f00\u9500\u548c\u5ef6\u8fdf\u3002<\/p>\n<p>\u6b64\u5916\uff0cMMAPv1\u5bf9\u5185\u5b58\u7684\u4f7f\u7528\u4e5f\u6bd4\u8f83\u9ad8\u3002\u5b83\u9700\u8981\u5c06\u6574\u4e2a\u6570\u636e\u6587\u4ef6\u6620\u5c04\u5230\u5185\u5b58\u4e2d\uff0c\u8fd9\u5bf9\u4e8e\u5927\u578b\u6570\u636e\u5e93\u6765\u8bf4\u53ef\u80fd\u4f1a\u5360\u7528\u5927\u91cf\u7684\u5185\u5b58\u8d44\u6e90\u3002<\/p>\n<h2 id=\"%e7%bb%93%e8%ae%ba-NGxdLQHLrV\">\u7ed3\u8bba<\/h2>\n<p>MMAPv1\u662fMongoDB\u65e9\u671f\u7248\u672c\u4e2d\u9ed8\u8ba4\u7684\u5b58\u50a8\u5f15\u64ce\uff0c\u5b83\u5229\u7528\u4e86\u5185\u5b58\u6620\u5c04\u6587\u4ef6\u7684\u6280\u672f\uff0c\u53ef\u4ee5\u5728\u5185\u5b58\u4e2d\u76f4\u63a5\u5bf9\u6570\u636e\u8fdb\u884c\u8bfb\u5199\u64cd\u4f5c\u3002\u5c3d\u7ba1MMAPv1\u5728\u67d0\u4e9b\u65b9\u9762\u8868\u73b0\u51fa\u8272\uff0c\u4f46\u5b83\u4e5f\u5b58\u5728\u4e00\u4e9b\u6027\u80fd\u548c\u5185\u5b58\u5360\u7528\u7684\u95ee\u9898\u3002\u56e0\u6b64\uff0c\u5728\u4f7f\u7528MongoDB\u65f6\uff0c\u5efa\u8bae\u8003\u8651\u4f7f\u7528\u66f4\u5148\u8fdb\u7684\u5b58\u50a8\u5f15\u64ce\uff0c\u5982WiredTiger\u3002<\/p>\n<h3 id=\"%e9%a6%99%e6%b8%af%e6%9c%8d%e5%8a%a1%e5%99%a8%e9%a6%96%e9%80%89%e5%90%8e%e6%b5%aa%e4%ba%91-NGxdLQHLrV\">\u9999\u6e2f\u670d\u52a1\u5668\u9996\u9009\u540e\u6d6a\u4e91<\/h3>\n<p>\u5982\u679c\u60a8\u6b63\u5728\u5bfb\u627e\u53ef\u9760\u7684\u9999\u6e2f\u670d\u52a1\u5668\u63d0\u4f9b\u5546\uff0c\u540e\u6d6a\u4e91\u662f\u60a8\u7684\u9996\u9009\u3002\u6211\u4eec\u63d0\u4f9b\u9ad8\u6027\u80fd\u7684\u9999\u6e2f\u670d\u52a1\u5668\uff0c\u53ef\u4ee5\u6ee1\u8db3\u60a8\u7684\u5404\u79cd\u9700\u6c42\u3002\u8bf7\u8bbf\u95ee\u6211\u4eec\u7684\u5b98\u7f51\u4e86\u89e3\u66f4\u591a\u4fe1\u606f\uff1a<a href=\"https:\/\/idc.net\">https:\/\/idc.net<\/a><\/p>\n","protected":false},"excerpt":{"rendered":"<p>MongoDB \u672f\u8bed - MMAPv1 MongoDB \u672f\u8bed - MMAPv1 \u5728MongoDB\u4e2d\uff0cMMAPv [&hellip;]<\/p>\n","protected":false},"author":1,"featured_media":0,"comment_status":"","ping_status":"","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[7038],"tags":[],"class_list":["post-247358","post","type-post","status-publish","format-standard","hentry","category-database"],"_links":{"self":[{"href":"https:\/\/idc.net\/help\/wp-json\/wp\/v2\/posts\/247358","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/idc.net\/help\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/idc.net\/help\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/idc.net\/help\/wp-json\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"https:\/\/idc.net\/help\/wp-json\/wp\/v2\/comments?post=247358"}],"version-history":[{"count":0,"href":"https:\/\/idc.net\/help\/wp-json\/wp\/v2\/posts\/247358\/revisions"}],"wp:attachment":[{"href":"https:\/\/idc.net\/help\/wp-json\/wp\/v2\/media?parent=247358"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/idc.net\/help\/wp-json\/wp\/v2\/categories?post=247358"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/idc.net\/help\/wp-json\/wp\/v2\/tags?post=247358"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}