{"id":75088,"date":"2024-08-29T14:00:00","date_gmt":"2024-08-29T05:00:00","guid":{"rendered":"https:\/\/www.creationline.com\/tech-blog\/?p=75088"},"modified":"2024-08-29T13:25:50","modified_gmt":"2024-08-29T04:25:50","slug":"mongodb%e3%81%ab%e5%bf%85%e8%a6%81%e3%81%aaram%e3%82%92%e8%a6%8b%e7%a9%8d%e3%82%8b-mongodb","status":"publish","type":"post","link":"https:\/\/www.creationline.com\/tech-blog\/data-management\/mongodb\/75088","title":{"rendered":"MongoDB\u306b\u5fc5\u8981\u306aRAM\u3092\u898b\u7a4d\u308b #mongodb"},"content":{"rendered":"\n<h2 class=\"wp-block-heading\">\u306f\u3058\u3081\u306b<\/h2>\n\n\n\n<p>MongoDB\u30c6\u30af\u30cb\u30ab\u30eb\u30b5\u30dd\u30fc\u30c8\u62c5\u5f53\u306e\u5c71\u68ee\u3067\u3059\u3002\u590f\u306e\u7d42\u308f\u308a\u304c\u898b\u3048\u3066\u304d\u307e\u3057\u305f\u306d\u3002\u305d\u3046\u601d\u3063\u3066\u3044\u305f\u3089\u3001\u3053\u308c\u3092\u57f7\u7b46\u3057\u3066\u3044\u308b\u672c\u65e5\u3001\u5730\u5143\u306e\u6c17\u6e29\u304c39\u5ea6\u3092\u8d85\u3048\u305f\u3068<a href=\"https:\/\/news.yahoo.co.jp\/articles\/4351d23a36ca8fcd642907057ac2503a596e4f5b\" target=\"_blank\" rel=\"noreferrer noopener\">\u30cb\u30e5\u30fc\u30b9<\/a>\u304c\u51fa\u3066\u3044\u307e\u3057\u305f\u3002\u3082\u3046\u5bb6\u304b\u3089\u4e00\u6b69\u3082\u51fa\u305f\u304f\u3042\u308a\u307e\u305b\u3093\u3002\u3053\u3093\u306a\u6642\u306f\u7528\u304c\u306a\u304f\u3066\u3082\u6dbc\u3057\u3044\u30b5\u30fc\u30d0\u5ba4\u306b\u884c\u304d\u305f\u304f\u306a\u308a\u307e\u3059\u3002<\/p>\n\n\n\n<p>\u3055\u3066\u3001\u30b7\u30b9\u30c6\u30e0\u904b\u7528\u3092\u62c5\u5f53\u3057\u305f\u3053\u3068\u304c\u3042\u308b\u65b9\u306a\u3089\u3001\u300c\u3053\u306e\u30b7\u30b9\u30c6\u30e0\u306b\u5341\u5206\u306bRAM\u304c\u8db3\u308a\u3066\u3044\u308b\u306e\u304b\u300d\u3092\u8003\u3048\u305f\u3053\u3068\u304c\u3042\u308b\u4eba\u306f\u591a\u3044\u306e\u3067\u306f\u306a\u3044\u3067\u3057\u3087\u3046\u304b\u3002\u79c1\u306f\u3001\u30b7\u30b9\u30c6\u30e0\u306b\u5fc5\u8981\u306aRAM\u3092\u6b63\u5e38\u306b\u898b\u7a4d\u3082\u308b\u306b\u306f\u4ee5\u4e0b\u306e3\u3064\u306b\u3064\u3044\u3066\u77e5\u308a\u3001\u8003\u616e\u3059\u308b\u5fc5\u8981\u304c\u3042\u308b\u3068\u8003\u3048\u307e\u3059\u3002<\/p>\n\n\n\n<ol class=\"wp-block-list\">\n<li>\u30de\u30b7\u30f3\u306b\u8f09\u305b\u308b\u30a2\u30d7\u30ea\u30b1\u30fc\u30b7\u30e7\u30f3\u304c\u3069\u306e\u3088\u3046\u306bRAM\u3092\u4f7f\u3046\u306e\u304b\u3092\u7406\u89e3\u3059\u308b<\/li>\n\n\n\n<li>\u30a2\u30d7\u30ea\u30b1\u30fc\u30b7\u30e7\u30f3\u306e\u30cf\u30fc\u30c9\u30a6\u30a7\u30a2\u8981\u4ef6\u3092\u77e5\u308b<\/li>\n\n\n\n<li>OS\u306b\u304a\u3051\u308bRAM\u306e\u6271\u3044\u3092\u77e5\u308b<\/li>\n<\/ol>\n\n\n\n<p>\u3053\u306e\u8a18\u4e8b\u3067\u306f\u3001MongoDB\u306b\u304a\u3051\u308b1,2\u306b\u3064\u3044\u3066\u3001\u79c1\u304c\u8abf\u67fb\u3057\u305f\u5185\u5bb9\u3092\u307e\u3068\u3081\u3066\u3044\u307e\u3059\u3002\u305f\u3060\u3057\u30013\u756a\u306b\u3064\u3044\u3066\u306fOS\u306b\u95a2\u3059\u308b\u5185\u5bb9\u3067\u3042\u308b\u305f\u3081\u3001\u4eca\u56de\u306f\u5272\u611b\u3057\u307e\u3059\u3002\u79c1\u81ea\u8eab\u307e\u3060\u307e\u3060\u52c9\u5f37\u306e\u9014\u4e2d\u3067\u3042\u308a\u3001\u89e3\u8aac\u3067\u304d\u308b\u529b\u91cf\u3067\u306a\u3044\u3068\u3044\u3046\u3001\u6b63\u76f4\u306a\u7406\u7531\u3082\u3042\u308a\u307e\u3059\u3002<\/p>\n\n\n\n<p>\u4eca\u56de\u306e\u8a71\u306f\u30bb\u30eb\u30d5\u30db\u30b9\u30c8\u306eMongoDB\u306e\u307f\u306e\u8a71\u304b\u3068\u601d\u308f\u308c\u308b\u304b\u3082\u3057\u308c\u307e\u305b\u3093\u304c\u3001Atlas\u3067\u30a4\u30f3\u30b9\u30bf\u30f3\u30b9\u3092\u9078\u5b9a\u3059\u308b\u3068\u304d\u306b\u3082\u4f7f\u3048\u308b\u8003\u3048\u65b9\u3067\u3059\u3002<\/p>\n\n\n\n<p>\u6ce8\u610f\uff1a\u4eca\u56de\u306fRAM\u306b\u30d5\u30a9\u30fc\u30ab\u30b9\u3057\u305f\u8a18\u4e8b\u3067\u3059\u304c\u3001MongoDB\u30d1\u30d5\u30a9\u30fc\u30de\u30f3\u30b9\u306e\u4f4e\u4e0b\u306e\u539f\u56e0\u304cRAM\u4e0d\u8db3\u3060\u3051\u3068\u306f\u9650\u3089\u306a\u3044\u3053\u3068\u3092\u4e8b\u524d\u306b\u6dfb\u3048\u3066\u304a\u304d\u307e\u3059\u3002<\/p>\n\n\n\n<h2 class=\"wp-block-heading\">MongoDB\u306f\u3069\u306e\u3088\u3046\u306bRAM\u3092\u4f7f\u3046\u306e\u304b\uff1f<\/h2>\n\n\n\n<p>MongoDB\u306f\u8907\u6570\u306e\u7528\u9014\u3067RAM\u3092\u4f7f\u7528\u3057\u307e\u3059\u3002\u30e1\u30a4\u30f3\u306fWiredTiger\u306e\u30ad\u30e3\u30c3\u30b7\u30e5\u3001\u6b8b\u308a\u306f\u30bd\u30fc\u30c8\u3084\u8a08\u7b97\u306a\u3069\u306e\u30e1\u30e2\u30ea\u5185\u64cd\u4f5c\u3001\u57fa\u76e4\u306eOS\u3084\u305d\u306e\u4ed6\u306e\u30b7\u30b9\u30c6\u30e0\u30b5\u30fc\u30d3\u30b9\u304c\u4f7f\u7528\u3057\u307e\u3059\u3002<\/p>\n\n\n\n<p>WiredTiger\u3068\u306f\u3001MongoDB\u306e\u30b9\u30c8\u30ec\u30fc\u30b8\u30a8\u30f3\u30b8\u30f3\u3067\u3059\u3002\u30b9\u30c8\u30ec\u30fc\u30b8\u30a8\u30f3\u30b8\u30f3\u306f\u3001\u30c7\u30fc\u30bf\u30d9\u30fc\u30b9\u304b\u3089\u30c7\u30fc\u30bf\u3092\u8aad\u307f\u51fa\u3057\u305f\u308a\u3001\u66f8\u304d\u8fbc\u3093\u3060\u308a\u3001\u5909\u66f4\u3057\u305f\u308a\u3057\u307e\u3059\u3002\u307e\u3055\u306b\u30c7\u30fc\u30bf\u30d9\u30fc\u30b9\u306e\u5fc3\u81d3\u90e8\u3068\u8a00\u3048\u307e\u3059\u3002MySQL\u3067\u306fMyISAM\u3084InnoDB\u306b\u3042\u305f\u308b\u30dd\u30b8\u30b7\u30e7\u30f3\u3067\u3059\u3002<\/p>\n\n\n\n<p>WiredTiger\u306e\u30ad\u30e3\u30c3\u30b7\u30e5\u3068\u306f\u5177\u4f53\u7684\u306b\u4f55\u3092\u3057\u3066\u3044\u308b\u306e\u3067\u3057\u3087\u3046\u304b\u3002\u7b54\u3048\u306fMongoDB\u516c\u5f0f\u30c9\u30ad\u30e5\u30e1\u30f3\u30c8\u5185\u306e\u300c<a href=\"https:\/\/www.mongodb.com\/docs\/atlas\/sizing-tier-selection\/\" target=\"_blank\" rel=\"noreferrer noopener\">Atlas\u00a0Cluster Sizing and Tier Selection<\/a>\u300d\u306b\u3042\u308a\u307e\u3059\u3002<\/p>\n\n\n\n<blockquote class=\"wp-block-quote is-layout-flow wp-block-quote-is-layout-flow\">\n<blockquote class=\"wp-block-quote is-layout-flow wp-block-quote-is-layout-flow\">\n<p>MongoDB uses the WiredTiger cache to hold most recently used data and indexes. The working set is the sum of all the indexes plus the set of documents that are accessed frequently. If your working set fits in RAM, then MongoDB can serve queries from memory, which provides the fastest query response times.<\/p>\n\n\n\n<p>\u548c\u8a33\uff1aMongoDB\u306f\u983b\u7e41\u306b\u30a2\u30af\u30bb\u30b9\u3055\u308c\u308b\u30c7\u30fc\u30bf\u3068\u30a4\u30f3\u30c7\u30c3\u30af\u30b9\u3092\u4fdd\u6301\u3059\u308b\u305f\u3081\u306bWiredTiger\u306e\u30ad\u30e3\u30c3\u30b7\u30e5\u3092\u4f7f\u7528\u3057\u307e\u3059\u3002\u30ef\u30fc\u30ad\u30f3\u30b0\u30bb\u30c3\u30c8\u3068\u306f\u3001\u3059\u3079\u3066\u306e\u30a4\u30f3\u30c7\u30c3\u30af\u30b9\u3068\u983b\u7e41\u306b\u30a2\u30af\u30bb\u30b9\u3055\u308c\u308b\u30c9\u30ad\u30e5\u30e1\u30f3\u30c8\u306e\u30b5\u30a4\u30ba\u306e\u5408\u8a08\u3067\u3059\u3002\u30ef\u30fc\u30ad\u30f3\u30b0\u30bb\u30c3\u30c8\u304c\u3059\u3079\u3066RAM\u306b\u53ce\u307e\u308b\u306a\u3089\u3070\u3001MongoDB\u306f\u30e1\u30e2\u30ea\u304b\u3089\u30af\u30a8\u30ea\u3092\u51e6\u7406\u3067\u304d\u308b\u305f\u3081\u3001\u30af\u30a8\u30ea\u306e\u5fdc\u7b54\u6642\u9593\u304c\u6700\u3082\u65e9\u304f\u306a\u308a\u307e\u3059\u3002<\/p>\n<\/blockquote>\n<\/blockquote>\n\n\n\n<p>\u3053\u3053\u3067\u3044\u3046\u30ef\u30fc\u30ad\u30f3\u30b0\u30bb\u30c3\u30c8\u3068\u306f\u306a\u3093\u3067\u3057\u3087\u3046\u304b\uff1f\u30ef\u30fc\u30ad\u30f3\u30b0\u30bb\u30c3\u30c8\u306f\u3001\u4e00\u822c\u7684\u306b\u306fOS\u306e\u30e1\u30e2\u30ea\u7ba1\u7406\u3067\u4f7f\u308f\u308c\u3066\u3044\u308b\u7528\u8a9e\u306e\u3088\u3046\u3067\u3059\u304c\u3001MongoDB\u5185\u3067\u306f\u300c<strong>\u30a4\u30f3\u30c7\u30c3\u30af\u30b9\uff0b\u983b\u7e41\u306b\u30a2\u30af\u30bb\u30b9\u3055\u308c\u308b\u30c7\u30fc\u30bf<\/strong>\u300d\u3068\u5b9a\u7fa9\u3057\u3066\u3044\u307e\u3059\u3002<\/p>\n\n\n\n<p>\u30c7\u30d5\u30a9\u30eb\u30c8\u3067\u306f\u3001RAM\u306e50%\u3092WiredTiger\u306e\u30ad\u30e3\u30c3\u30b7\u30e5\u306b\u5272\u308a\u5f53\u3066\u307e\u3059\u3002\u3064\u307e\u308a\u3001\u30ef\u30fc\u30ad\u30f3\u30b0\u30bb\u30c3\u30c8\u306e\u30b5\u30a4\u30ba \uff1c RAM\u306e\u30b5\u30a4\u30ba\u306e50%\u3000\u3067\u3042\u308c\u3070\u826f\u3044\u308f\u3051\u3067\u3059\u3002<\/p>\n\n\n\n<p>\u53c2\u8003\uff1a<a href=\"https:\/\/www.mongodb.com\/docs\/manual\/core\/wiredtiger\/#memory-use\" target=\"_blank\" rel=\"noreferrer noopener\">WiredTiger - Memory Use<\/a><\/p>\n\n\n\n<h3 class=\"wp-block-heading\">\u3053\u306e\u7ae0\u306e\u307e\u3068\u3081<\/h3>\n\n\n\n<p>MongoDB\u306f\u4ee5\u4e0b\u306e\u7528\u9014\u3067RAM\u3092\u4f7f\u7528\u3059\u308b\u3002<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li>WiredTiger\u306e\u30ad\u30e3\u30c3\u30b7\u30e5\uff08\u30c7\u30d5\u30a9\u30eb\u30c8\u3067RAM\u306e50%\u3092\u4f7f\u7528\uff09<\/li>\n\n\n\n<li>\u30bd\u30fc\u30c8\u3084\u8a08\u7b97\u306a\u3069\u306e\u30e1\u30e2\u30ea\u5185\u64cd\u4f5c<\/li>\n\n\n\n<li>\u57fa\u76e4\u306eOS\u3084\u305d\u306e\u4ed6\u306e\u30b7\u30b9\u30c6\u30e0\u30b5\u30fc\u30d3\u30b9<\/li>\n<\/ul>\n\n\n\n<h2 class=\"wp-block-heading\">\u5fc5\u8981\u306aRAM\u3092\u898b\u7a4d\u308b<\/h2>\n\n\n\n<p>MongoDB\u306e\u516c\u5f0f\u30d6\u30ed\u30b0\u306b\u3001<a href=\"https:\/\/www.mongodb.com\/blog\/post\/performance-best-practices-mongodb-data-modeling-and-memory-sizing\" target=\"_blank\" rel=\"noreferrer noopener\">\u3053\u306e\u3088\u3046\u306a\u8a18\u4e8b<\/a>\u304c\u3042\u308a\u307e\u3059\u3002\u30bf\u30a4\u30c8\u30eb\u306f\u300cPerformance Best Practices: MongoDB Data Modeling and Memory Sizing\u300d\u3001\u4eca\u56de\u306e\u8a18\u4e8b\u306b\u30c9\u30f3\u30d4\u30b7\u30e3\u30ea\u306a\u30bf\u30a4\u30c8\u30eb\u3067\u3059\u306d\u3002\u3053\u306e\u30d6\u30ed\u30b0\u5185\u3067\u3082\u300cEnsure your working set fits in RAM\u300d\u3001\u3064\u307e\u308a\u30ef\u30fc\u30ad\u30f3\u30b0\u30bb\u30c3\u30c8\u304c\u3059\u3079\u3066\u8f09\u308b\u3050\u3089\u3044\u306eRAM\u3092\u7528\u610f\u305b\u3088\u3068\u8a00\u3063\u3066\u3044\u307e\u3059\u3002<\/p>\n\n\n\n<p>\u3067\u306f\u3001\u30ef\u30fc\u30ad\u30f3\u30b0\u30bb\u30c3\u30c8\u306e\u30b5\u30a4\u30ba\u306f\u3069\u3046\u898b\u7a4d\u308c\u3070\u826f\u3044\u306e\u3067\u3057\u3087\u3046\u304b\u3002\u3053\u308c\u3082MongoDB\u306e\u516c\u5f0f\u30c9\u30ad\u30e5\u30e1\u30f3\u30c8\u300c<a href=\"https:\/\/www.mongodb.com\/docs\/atlas\/sizing-tier-selection\/?_ga=2.254485640.1661934043.1711339337-1575990203.1684134652#service-cluster-sizing-and-tier-selection\" target=\"_blank\" rel=\"noreferrer noopener\">Atlas\u00a0Cluster Sizing and Tier Selection<\/a>\u300d\u306b\u78ba\u8a8d\u65b9\u6cd5\u3068\u4f8b\u304c\u8f09\u3063\u3066\u3044\u307e\u3059\u3002\u300c<a href=\"https:\/\/www.mongodb.com\/docs\/atlas\/sizing-tier-selection\/#example--the-service-sample-data-sets\" target=\"_blank\" rel=\"noreferrer noopener\">Example: The\u00a0Atlas\u00a0Sample Data Sets<\/a>\u300d\u306e\u7ae0\u3092\u898b\u3066\u307f\u307e\u3057\u3087\u3046\u3002<\/p>\n\n\n\n<blockquote class=\"wp-block-quote is-layout-flow wp-block-quote-is-layout-flow\">\n<p>This program returns the following results:<\/p>\n\n\n\n<pre class=\"EnlighterJSRAW\" data-enlighter-language=\"generic\" data-enlighter-theme=\"\" data-enlighter-highlight=\"\" data-enlighter-linenumbers=\"\" data-enlighter-lineoffset=\"\" data-enlighter-title=\"\" data-enlighter-group=\"\">Obtaining stats for sample_airbnb\nObtaining stats for sample_geospatial\nObtaining stats for sample_mflix\nObtaining stats for sample_supplies\nObtaining stats for sample_training\nObtaining stats for sample_weatherdata\nTotal data size in GB: 0.32\nTotal index size in GB: 0.02<\/pre>\n<\/blockquote>\n\n\n\n<p>\u3053\u306e\u4f8b\u3067\u306e\u30ef\u30fc\u30ad\u30f3\u30b0\u30bb\u30c3\u30c8\u306e\u30b5\u30a4\u30ba\u306f\u30010.34GB\u3067\u3059\u3002WiredTiger\u306e\u30ad\u30e3\u30c3\u30b7\u30e5\u304cRAM\u306e50%\u3001\u305d\u3057\u3066\u3059\u3079\u3066\u306e\u30ef\u30fc\u30ad\u30f3\u30b0\u30bb\u30c3\u30c8\u3078\u306e\u30a2\u30af\u30bb\u30b9\u304c\u5e38\u306b\u30a2\u30af\u30c6\u30a3\u30d6\u3067\u3042\u308b\u3068\u4eee\u5b9a\u3059\u308b\u3068\u3001\u5fc5\u8981\u306aRAM\u306e\u30b5\u30a4\u30ba\u306f0.34\u00d72 = 0.68 GB\u3067\u3059\u3002<\/p>\n\n\n\n<p>\u516c\u5f0f\u30c9\u30ad\u30e5\u30e1\u30f3\u30c8\u5185\u3067\u306fJavaScript\u306e\u30d7\u30ed\u30b0\u30e9\u30e0\u3092\u5b9f\u884c\u3057\u3066totalIndexSize\u3068totalDataSize\u3092\u53d6\u5f97\u3057\u3066\u3044\u307e\u3059\u304c\u3001\u3053\u306e2\u3064\u306e\u9805\u76ee\u306f\u3001mongosh\u3067\u3082<a href=\"https:\/\/www.mongodb.com\/docs\/manual\/reference\/method\/db.stats\/\" target=\"_blank\" rel=\"noreferrer noopener\">db.stats()<\/a>\u30b3\u30de\u30f3\u30c9\u3092\u4f7f\u7528\u3059\u308b\u3053\u3068\u3067\u3082\u53d6\u5f97\u53ef\u80fd\u3067\u3059\u3002\u305f\u3060\u3057\u3001\u3053\u308c\u306f\u5404\u30c7\u30fc\u30bf\u30d9\u30fc\u30b9\u3054\u3068\u306e\u5024\u3067\u3042\u308b\u3053\u3068\u306b\u6ce8\u610f\u3057\u3066\u304f\u3060\u3055\u3044\u30021\u3064\u306e\u30a4\u30f3\u30b9\u30bf\u30f3\u30b9\u3067\u8907\u6570\u306e\u30c7\u30fc\u30bf\u30d9\u30fc\u30b9\u3092\u904b\u7528\u3059\u308b\u5834\u5408\u306f\u3001\u5404\u30c7\u30fc\u30bf\u30d9\u30fc\u30b9\u306e\u30ef\u30fc\u30ad\u30f3\u30b0\u30bb\u30c3\u30c8\u3092\u5408\u8a08\u3057\u3066\u304f\u3060\u3055\u3044\u3002<\/p>\n\n\n\n<p>\u3053\u3053\u3067\u3044\u3046\u30c7\u30fc\u30bf\u30d9\u30fc\u30b9\u306e\u5358\u4f4d\u306f\u3001mongosh\u306e\u300cshow dbs\u300d\u30b3\u30de\u30f3\u30c9\u3067\u51fa\u3066\u304f\u308badmin\u3068local\u4ee5\u5916\u306e\u3053\u3068\u3067\u3059\u3002\u4ee5\u4e0b\u306e\u4f8b\u3067\u306f9\u3064\u306e\u30c7\u30fc\u30bf\u30d9\u30fc\u30b9\u304c\u5b58\u5728\u3057\u3066\u3044\u307e\u3059\u3002<\/p>\n\n\n\n<pre class=\"EnlighterJSRAW\" data-enlighter-language=\"generic\" data-enlighter-theme=\"\" data-enlighter-highlight=\"\" data-enlighter-linenumbers=\"\" data-enlighter-lineoffset=\"\" data-enlighter-title=\"\" data-enlighter-group=\"\">Atlas atlas-2lwkkk-shard-0 [primary] test> show dbs\nsample_airbnb        52.14 MiB\nsample_analytics      8.88 MiB\nsample_geospatial     1.24 MiB\nsample_guides        40.00 KiB\nsample_mflix        112.26 MiB\nsample_restaurants    6.39 MiB\nsample_supplies       1.05 MiB\nsample_training      48.56 MiB\nsample_weatherdata    3.66 MiB\nadmin               296.00 KiB\nlocal                 1.54 GiB<\/pre>\n\n\n\n<p>\u516c\u5f0f\u30c9\u30ad\u30e5\u30e1\u30f3\u30c8\u5185\u306b\u3042\u308b\u3082\u3046\u4e00\u3064\u306e\u4f8b\u300c<a href=\"https:\/\/www.mongodb.com\/docs\/atlas\/sizing-tier-selection\/#example--mobile-app\" target=\"_blank\" rel=\"noreferrer noopener\">Example: Mobile App<\/a>\u300d\u3092\u898b\u308b\u3068\u3001\u3088\u308a\u7406\u89e3\u304c\u6df1\u307e\u308b\u304b\u3068\u601d\u3044\u307e\u3059\u3002<\/p>\n\n\n\n<h3 class=\"wp-block-heading\">\u3053\u306e\u7ae0\u306e\u307e\u3068\u3081<\/h3>\n\n\n\n<p>MongoDB\u306f\u30ef\u30fc\u30ad\u30f3\u30b0\u30bb\u30c3\u30c8\u304cWiredTiger\u306e\u30ad\u30e3\u30c3\u30b7\u30e5\u306b\u3059\u3079\u3066\u53ce\u307e\u308b\u3068\u304d\u3001\u6700\u9ad8\u306e\u30d1\u30d5\u30a9\u30fc\u30de\u30f3\u30b9\u3092\u767a\u63ee\u3059\u308b\u3002\u30ef\u30fc\u30ad\u30f3\u30b0\u30bb\u30c3\u30c8\u306e\u30b5\u30a4\u30ba\u306fdb.stats()\u306e\u51fa\u529b\u304b\u3089\u898b\u7a4d\u308b\u3053\u3068\u304c\u3067\u304d\u308b\u3002<\/p>\n\n\n\n<p>\u30ef\u30fc\u30ad\u30f3\u30b0\u30bb\u30c3\u30c8\u306e\u3046\u3061\u3001\u983b\u7e41\u306b\u30a2\u30af\u30bb\u30b9\u3055\u308c\u308b\u30c7\u30fc\u30bf\u306e\u30b5\u30a4\u30ba\u3092\u898b\u7a4d\u308b\u306b\u306f\u3001\u5168\u4f53\u306e\u4f55\uff05\u304c\u5e38\u306b\u30a2\u30af\u30c6\u30a3\u30d6\u306b\u30a2\u30af\u30bb\u30b9\u304c\u3042\u308b\u304b\u3092\u8003\u3048\u3066\u307f\u308b\u3002<\/p>\n\n\n\n<h2 class=\"wp-block-heading\">\u3055\u3044\u3054\u306b\uff1a\u5341\u5206\u306aRAM\u3092\u7528\u610f\u3067\u304d\u306a\u3044\u3068\u304d<\/h2>\n\n\n\n<p>\u6700\u8fd1\u306f\u30af\u30e9\u30a6\u30c9\u30b5\u30fc\u30d3\u30b9\u3084\u4eee\u60f3\u5316\u57fa\u76e4\u306e\u666e\u53ca\u306b\u3088\u308a\u3001RAM\u306e\u304a\u4ee3\u308f\u308a\u306f\u6614\u3088\u308a\u5bb9\u6613\u306b\u306a\u308a\u307e\u3057\u305f\u3002MongoDB Atlas\u306eCluster Tiers\uff08\u9078\u629e\u3067\u304d\u308b\u30a4\u30f3\u30b9\u30bf\u30f3\u30b9\u306e\u30b5\u30a4\u30ba\uff09\u3067\u3082\u6700\u5927\u3067768GB\u306eRAM\u3092\u642d\u8f09\u3059\u308bM700\u304c\u7528\u610f\u3055\u308c\u3066\u3044\u307e\u3059\u3002\u3057\u304b\u3057\u3001\u30b3\u30b9\u30c8\u306a\u3069\u3044\u308d\u3044\u308d\u306a\u8981\u56e0\u306b\u3088\u3063\u3066\u3001\u5341\u5206\u306aRAM\u3092\u7528\u610f\u3067\u304d\u306a\u3044\u3053\u3068\u3082\u3042\u308b\u304b\u3068\u601d\u3044\u307e\u3059\u3002<\/p>\n\n\n\n<p>\u5341\u5206\u306aRAM\u3092\u642d\u8f09\u3057\u305f\u30de\u30b7\u30f3\u3092\u7528\u610f\u3067\u304d\u306a\u3044\u5834\u5408\u306f\u3001\u30b7\u30e3\u30fc\u30c7\u30a3\u30f3\u30b0\u3082\u691c\u8a0e\u3057\u3066\u304f\u3060\u3055\u3044\u3002\u300c<a href=\"https:\/\/www.mongodb.com\/docs\/atlas\/sizing-tier-selection\/\" target=\"_blank\" rel=\"noreferrer noopener\">Atlas\u00a0Cluster Sizing and Tier Selection<\/a>\u300d\u306e\u4e2d\u3067\u3082\u300cIf you select a cluster tier without sufficient RAM, such as an Azure\u00a0M200 with 256 GB RAM,\u00a0<a href=\"https:\/\/www.mongodb.com\/docs\/manual\/sharding\/\" target=\"_blank\" rel=\"noreferrer noopener\">sharding<\/a>\u00a0is required.\u300d\u3064\u307e\u308a\u5341\u5206\u306aRAM\u304c\u306a\u3044\u30af\u30e9\u30b9\u30bf\u30fc\u3092\u9078\u629e\u3057\u305f\u5834\u5408\u306f\u30b7\u30e3\u30fc\u30c7\u30a3\u30f3\u30b0\u304c\u5fc5\u8981\u3067\u3059\u3001\u3068\u3042\u308a\u307e\u3059\u3002<\/p>\n\n\n\n<p>\u305f\u3060\u3057\u3001\u30b7\u30e3\u30fc\u30c7\u30a3\u30f3\u30b0\u3092\u9078\u629e\u3059\u308b\u3068\u3001Atlas\u3067\u3082\u30bb\u30eb\u30d5\u30db\u30b9\u30c8\u3067\u3082\u30b3\u30b9\u30c8\u304c\u4e0a\u304c\u308a\u307e\u3059\u3002\u306a\u306e\u3067RAM\u3092\u8ffd\u52a0\u3059\u3079\u304d\u304b\u3001\u30b7\u30e3\u30fc\u30c7\u30a3\u30f3\u30b0\u3059\u3079\u304d\u304b\u306f\u5341\u5206\u306a\u691c\u8a0e\u304c\u5fc5\u8981\u3067\u3059\u3002<\/p>\n\n\n\n<p>\u5192\u982d\u3067\u3082\u8ff0\u3079\u307e\u3057\u305f\u304c\u3001MongoDB\u306e\u30d1\u30d5\u30a9\u30fc\u30de\u30f3\u30b9\u4f4e\u4e0b\u306e\u539f\u56e0\u304cRAM\u4e0d\u8db3\u3060\u3051\u3068\u306f\u9650\u308a\u307e\u305b\u3093\u3002\u8a18\u4e8b\u306e\u4e2d\u3067\u3082\u5f15\u7528\u3057\u305f\u30d6\u30ed\u30b0\u300c<a href=\"https:\/\/www.mongodb.com\/blog\/post\/performance-best-practices-mongodb-data-modeling-and-memory-sizing\" target=\"_blank\" rel=\"noreferrer noopener\">Performance Best Practices: MongoDB Data Modeling and Memory Sizing<\/a>\u300d\u3067\u306f\u3001\u30c7\u30fc\u30bf\u30e2\u30c7\u30ea\u30f3\u30b0\u306e\u91cd\u8981\u6027\u3092\u4e00\u756a\u6700\u521d\u306b\u8a34\u3048\u3066\u3044\u307e\u3059\u3002<\/p>\n\n\n\n<p>\u86c7\u8db3\uff1a\u4eca\u56de\u306e\u30a2\u30a4\u30ad\u30e3\u30c3\u30c1\u753b\u50cf\u306f\u30e9\u30e0\u3064\u306a\u304c\u308a\u306b\u3057\u3066\u307f\u307e\u3057\u305f\u3002\u305f\u3060\u3057\u3053\u3061\u3089\u306flamb\u3067\u3059\u306d\u3002<\/p>\n","protected":false},"excerpt":{"rendered":"<p>\u306f\u3058\u3081\u306b MongoDB\u30c6\u30af\u30cb\u30ab\u30eb\u30b5\u30dd\u30fc\u30c8\u62c5\u5f53\u306e\u5c71\u68ee\u3067\u3059\u3002\u590f\u306e\u7d42\u308f\u308a\u304c\u898b\u3048\u3066\u304d\u307e\u3057\u305f\u306d\u3002\u305d\u3046\u601d\u3063\u3066\u3044\u305f\u3089\u3001\u3053\u308c\u3092\u57f7\u7b46\u3057\u3066\u3044\u308b\u672c\u65e5\u3001\u5730\u5143\u306e\u6c17\u6e29\u304c39\u5ea6\u3092\u8d85\u3048\u305f\u3068\u30cb\u30e5\u30fc\u30b9\u304c\u51fa\u3066\u3044\u307e\u3057\u305f\u3002\u3082\u3046\u5bb6\u304b\u3089\u4e00\u6b69\u3082\u51fa\u305f\u304f\u3042\u308a\u307e\u305b\u3093\u3002\u3053\u3093 [&#8230;]<\/p>\n","protected":false},"author":66,"featured_media":75100,"comment_status":"closed","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":{"_acf_changed":false,"content-type":"","footnotes":""},"categories":[808,79],"tags":[],"class_list":["post-75088","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-k-yamamori","category-mongodb"],"acf":[],"yoast_head":"<!-- This site is optimized with the Yoast SEO plugin v27.4 - https:\/\/yoast.com\/product\/yoast-seo-wordpress\/ -->\n<title>MongoDB\u306b\u5fc5\u8981\u306aRAM\u3092\u898b\u7a4d\u308b #mongodb - Tech Blog\uff5c\u30af\u30ea\u30a8\u30fc\u30b7\u30e7\u30f3\u30e9\u30a4\u30f3<\/title>\n<meta name=\"description\" content=\"k-yamamori, MongoDB |\u306f\u3058\u3081\u306b\" \/>\n<meta name=\"robots\" content=\"index, follow, max-snippet:-1, max-image-preview:large, max-video-preview:-1\" \/>\n<link rel=\"canonical\" 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