{"id":67658,"date":"2023-12-15T09:10:00","date_gmt":"2023-12-15T00:10:00","guid":{"rendered":"https:\/\/www.creationline.com\/?p=67658"},"modified":"2023-12-06T18:19:15","modified_gmt":"2023-12-06T09:19:15","slug":"mongodb%e3%81%ab%e3%81%8a%e3%81%91%e3%82%8b%e3%83%ac%e3%83%97%e3%83%aa%e3%82%b1%e3%83%bc%e3%82%b7%e3%83%a7%e3%83%b3%e3%81%ae%e4%bb%95%e7%b5%84%e3%81%bf%e3%80%80%ef%bd%9eoplog%e3%81%a3%e3%81%a6","status":"publish","type":"post","link":"https:\/\/www.creationline.com\/tech-blog\/data-management\/mongodb\/67658","title":{"rendered":"MongoDB\u306b\u304a\u3051\u308b\u30ec\u30d7\u30ea\u30b1\u30fc\u30b7\u30e7\u30f3\u306e\u4ed5\u7d44\u307f\u3000\uff5eoplog\u3063\u3066\u306a\u306b\uff1f\uff5e"},"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\u3053\u3061\u3089\u306f<a href=\"https:\/\/qiita.com\/advent-calendar\/2023\/creationline\" target=\"_blank\" rel=\"noreferrer noopener\">\u30af\u30ea\u30a8\u30fc\u30b7\u30e7\u30f3\u30e9\u30a4\u30f3\u30a2\u30c9\u30d9\u30f3\u30c8\u30ab\u30ec\u30f3\u30c0\u30fc<\/a>\u300115\u65e5\u76ee\u306e\u8a18\u4e8b\u3067\u3059\u3002<\/p>\n\n\n\n<p>\u4e16\u9593\u306f\u3059\u3063\u304b\u308a\u30af\u30ea\u30b9\u30de\u30b9\u30e0\u30fc\u30c9\u3067\u3059\u306d\u3002\u307f\u306a\u3055\u3093\u306f\u3069\u3046\u304a\u904e\u3054\u3057\u3067\u3057\u3087\u3046\u304b\u3002\u6211\u304c\u5bb6\u306e\u30af\u30ea\u30b9\u30de\u30b9\u306f\u3001\u30e2\u30b9\u30c1\u30ad\u30f3\u3001\u8fd1\u6240\u306e\u6d0b\u98df\u5c4b\u3055\u3093\u306e\u30d3\u30fc\u30d5\u30b7\u30c1\u30e5\u30fc\u3001\u30af\u30ea\u30b9\u30de\u30b9\u30b1\u30fc\u30ad\u3068\u3044\u3063\u305f\u5b9a\u756a\u30b3\u30fc\u30b9\u306e\u30c7\u30a3\u30ca\u30fc\u3092\u4e88\u5b9a\u3057\u3066\u3044\u307e\u3059\u3002\u30a2\u30e1\u30ea\u30ab\u3067\u306f\u30d5\u30e9\u30a4\u30c9\u30c1\u30ad\u30f3\u3067\u306f\u306a\u304f\u30bf\u30fc\u30ad\u30fc\u3092\u98df\u3079\u308b\u306e\u304c\u5b9a\u756a\u3060\u305d\u3046\u3067\u3059\u304c\u3001\u3053\u3053\u306f\u65e5\u672c\u306a\u306e\u3067\u3001\u597d\u304d\u306a\u3082\u306e\u3092\u98df\u3079\u307e\u3059\u3002\u30e2\u30b9\u30c1\u30ad\u30f3\u306f\u3044\u3044\u305e\u3002<\/p>\n\n\n\n<p>1\u6b73\u306e\u606f\u5b50\u7528\u306e\u30d7\u30ec\u30bc\u30f3\u30c8\u306e\u767a\u6ce8\u3082\u6e08\u307e\u305b\u3001\u81ea\u5b85\u306b\u96a0\u3057\u3066\u3042\u308a\u307e\u3059\u3002\u307e\u3060\u30af\u30ea\u30b9\u30de\u30b9\u3068\u3044\u3046\u6982\u5ff5\u306f\u5206\u304b\u3063\u3066\u3044\u306a\u3044\u3068\u601d\u3044\u307e\u3059\u304c\u3001\u30d7\u30ec\u30bc\u30f3\u30c8\u3092\u898b\u305b\u305f\u3068\u304d\u306b\u3069\u3093\u306a\u53cd\u5fdc\u3092\u3059\u308b\u306e\u304b\u3001\u4eca\u304b\u3089\u697d\u3057\u307f\u3067\u3059\u3002<\/p>\n\n\n\n<p>\u3055\u3066\u3001\u524d\u56de\u306f1\u65e5\u76ee\u3067<a href=\"\/?p=67369\" target=\"_blank\" rel=\"noreferrer noopener\">\u3053\u3093\u306a\u8a18\u4e8b<\/a>\u3092\u66f8\u304d\u307e\u3057\u305f\u3002\u4eca\u56de\u306f\u79c1\u304c\u30c6\u30af\u30cb\u30ab\u30eb\u30b5\u30dd\u30fc\u30c8\u3092\u62c5\u5f53\u3057\u3066\u3044\u308b\u3001MongoDB\u306b\u3064\u3044\u3066\u306e\u8a18\u4e8b\u3092\u66f8\u3044\u3066\u307f\u308b\u3053\u3068\u306b\u3057\u307e\u3059\u3002<\/p>\n\n\n\n<p>MongoDB\u306b\u306f\u6a19\u6e96\u3067\u30af\u30e9\u30b9\u30bf\u3092\u69cb\u6210\u3059\u308b\u6a5f\u80fd\u304c\u3042\u308a\u3001\u30ec\u30d7\u30ea\u30ab\u30bb\u30c3\u30c8\u3068\u547c\u3070\u308c\u3066\u3044\u307e\u3059\u3002\u8907\u6570\u53f0\u306eMongoDB\u3067\u30af\u30e9\u30b9\u30bf\u3092\u7d44\u307f\u3001\u5168\u54e1\u3067\u540c\u3058\u30c7\u30fc\u30bf\u3092\u4fdd\u6301\u3059\u308b\u3053\u3068\u3067\u5197\u9577\u6027\u3092\u62c5\u4fdd\u3057\u3066\u3044\u307e\u3059\u3002<\/p>\n\n\n\n<p>\u3053\u3053\u3067\u3044\u3046\u30af\u30e9\u30b9\u30bf\u69cb\u6210\u306e\u6700\u5c0f\u5358\u4f4d\u306f\u3001\u7269\u7406\u7684\u3082\u3057\u304f\u306fVirtual Machine\u306e\u30b5\u30fc\u30d01\u53f0\u3067\u3059\u304c\u3001MongoDB\u3067\u306f\u30ce\u30fc\u30c9\u3068\u8868\u8a18\u3055\u308c\u308b\u3053\u3068\u304c\u591a\u3044\u305f\u3081\u3001\u4eca\u56de\u3082\u305d\u308c\u306b\u306a\u3089\u3063\u3066\u30ce\u30fc\u30c9\u3068\u547c\u3076\u3053\u3068\u306b\u3057\u307e\u3059\u3002<\/p>\n\n\n\n<p>\u30a2\u30d7\u30ea\u30b1\u30fc\u30b7\u30e7\u30f3\u304b\u3089\u306e\u30c7\u30fc\u30bf\u306e\u8aad\u307f\u51fa\u3057\u30fb\u66f8\u304d\u8fbc\u307f\u3092\u53d7\u3051\u6301\u3064\u30ce\u30fc\u30c9\u3092\u30d7\u30e9\u30a4\u30de\u30ea\u3001\u30d7\u30e9\u30a4\u30de\u30ea\u304b\u3089\u30c7\u30fc\u30bf\u3092\u30b3\u30d4\u30fc\u3057\u3066\u4fdd\u6301\u3059\u308b\u5f79\u5272\u306e\u30ce\u30fc\u30c9\u306f\u30bb\u30ab\u30f3\u30c0\u30ea\u3068\u547c\u3070\u308c\u307e\u3059\u3002\uff08\u203b\u30c7\u30fc\u30bf\u306e\u66f8\u304d\u8fbc\u307f\u306f\u30d7\u30e9\u30a4\u30de\u30ea\u306e\u307f\u3067\u3059\u304c\u3001\u8a2d\u5b9a\u3092\u5909\u3048\u308c\u3070\u30bb\u30ab\u30f3\u30c0\u30ea\u306b\u8aad\u307f\u51fa\u3057\u62c5\u5f53\u3092\u4efb\u305b\u308b\u3053\u3068\u3082\u3067\u304d\u307e\u3059\u3002\uff09<\/p>\n\n\n\n<p>\u901a\u5e38\u6642\u306f\u30d7\u30e9\u30a4\u30de\u30ea\u3067\u30c7\u30fc\u30bf\u306e\u8aad\u307f\u66f8\u304d\u3092\u884c\u3044\u307e\u3059\u304c\u3001\u4e07\u304c\u4e00\u30d7\u30e9\u30a4\u30de\u30ea\u306b\u969c\u5bb3\u304c\u767a\u751f\u3057\u305f\u3089\u3069\u3046\u306a\u308b\u306e\u3067\u3057\u3087\u3046\u304b\uff1f<\/p>\n\n\n\n<p>\u3053\u306e\u3088\u3046\u306a\u3068\u304d\u306f\u3001\u30bb\u30ab\u30f3\u30c0\u30ea\u304c\u65b0\u3057\u3044\u30d7\u30e9\u30a4\u30de\u30ea\u306b\u306a\u308b\u3053\u3068\u3067\u3001\u30c7\u30fc\u30bf\u30d9\u30fc\u30b9\u3068\u3057\u3066\u306e\u4ed5\u4e8b\u3092\u7d99\u7d9a\u3057\u307e\u3059\u3002\u3053\u306e\u4e00\u9023\u306e\u52d5\u4f5c\u306f\u30d5\u30a7\u30a4\u30eb\u30aa\u30fc\u30d0\u30fc\u3068\u547c\u3070\u308c\u307e\u3059\u3002<\/p>\n\n\n\n<p>\u516c\u5f0f\u30c9\u30ad\u30e5\u30e1\u30f3\u30c8\u3067\u306f3\u53f0\u4ee5\u4e0a\u3067\u30ec\u30d7\u30ea\u30ab\u30bb\u30c3\u30c8\u3092\u7d44\u3080\u3053\u3068\u304c\u63a8\u5968\u3055\u308c\u3066\u3044\u307e\u3059\u3002\u307e\u305f\u3001MongoDB Atlas\u3067\u30a4\u30f3\u30b9\u30bf\u30f3\u30b9\u3092\u30c7\u30d7\u30ed\u30a4\u3057\u305f\u5834\u5408\u306e\u69cb\u6210\u306f\u30ec\u30d7\u30ea\u30ab\u30bb\u30c3\u30c8\u306e3\u53f0\u69cb\u6210\u3067\u3059\u3002\u3053\u306e\u3088\u3046\u306b\u3001\u30ec\u30d7\u30ea\u30ab\u30bb\u30c3\u30c8\u306fMongoDB\u3092\u4f7f\u7528\u3059\u308b\u4e0a\u3067\u6b20\u304b\u305b\u306a\u3044\u6a5f\u80fd\u3067\u3059\u304c\u3001\u5b9f\u969b\u306f\u3069\u306e\u3088\u3046\u306b\u5b9f\u73fe\u3057\u3066\u3044\u308b\u306e\u3067\u3057\u3087\u3046\u304b\uff1f<\/p>\n\n\n\n<h2 class=\"wp-block-heading\">\u30ec\u30d7\u30ea\u30ab\u30bb\u30c3\u30c8\u3068\u306f<\/h2>\n\n\n\n<p>MongoDB\u306e<a href=\"https:\/\/www.mongodb.com\/docs\/manual\/replication\/\" target=\"_blank\" rel=\"noreferrer noopener\">Replication<\/a>\u306e\u30c9\u30ad\u30e5\u30e1\u30f3\u30c8\u3092\u8aad\u3093\u3067\u307f\u307e\u3057\u3087\u3046\u3002\u30ec\u30d7\u30ea\u30ab\u30bb\u30c3\u30c8\u306f\u6b21\u306e\u7279\u9577\u3092\u6301\u3063\u3066\u3044\u307e\u3059\u3002<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li>1\u53f0\u306e\u307f\u306e\u30d7\u30e9\u30a4\u30de\u30ea\u30ce\u30fc\u30c9\u30682\u53f0\u4ee5\u4e0a\u306e\u30bb\u30ab\u30f3\u30c0\u30ea\u30ce\u30fc\u30c9\u3001\u30aa\u30d7\u30b7\u30e7\u30f3\u3067\u30a2\u30fc\u30d3\u30bf\u30fc\uff08\u6295\u7968\u8981\u54e1\uff09<\/li>\n\n\n\n<li>\u30d7\u30e9\u30a4\u30de\u30ea\u30ce\u30fc\u30c9\u304c\u3059\u3079\u3066\u306e\u8aad\u307f\u51fa\u3057\u30fb\u66f8\u304d\u8fbc\u307f\u306e\u30aa\u30da\u30ec\u30fc\u30b7\u30e7\u30f3\u3092\u53d7\u3051\u53d6\u308b<\/li>\n\n\n\n<li>\u30d7\u30e9\u30a4\u30de\u30ea\u306f\u30c7\u30fc\u30bf\u30bb\u30c3\u30c8\u306b\u5bfe\u3059\u308b\u3059\u3079\u3066\u306e\u64cd\u4f5c\u3092oplog\u306b\u8a18\u9332\u3059\u308b<\/li>\n<\/ul>\n\n\n\n<figure class=\"wp-block-image size-full\"><img loading=\"lazy\" decoding=\"async\" width=\"620\" height=\"507\" src=\"\/tech-blog\/cms_x3GWkuX\/wp-content\/uploads\/2023\/12\/image-2.png\" alt=\"\" class=\"wp-image-67659\" srcset=\"https:\/\/www.creationline.com\/tech-blog\/cms_x3GWkuX\/wp-content\/uploads\/2023\/12\/image-2.png 620w, https:\/\/www.creationline.com\/tech-blog\/cms_x3GWkuX\/wp-content\/uploads\/2023\/12\/image-2-360x294.png 360w\" sizes=\"auto, (max-width: 620px) 100vw, 620px\" \/><\/figure>\n\n\n\n<p>\u4e0a\u306e\u56f3\u3067\u306f\u3001\u30d7\u30e9\u30a4\u30de\u30ea\u304b\u3089\u30bb\u30ab\u30f3\u30c0\u30ea\u306b\u300cReplication\u300d\u306e\u77e2\u5370\u304c\u4f38\u3073\u3066\u3044\u307e\u3059\u306d\u3002\u5177\u4f53\u7684\u306b\u306f\u3069\u306e\u3088\u3046\u306b\u5b9f\u73fe\u3057\u3066\u3044\u308b\u306e\u3067\u3057\u3087\u3046\u304b\uff1f\u30c9\u30ad\u30e5\u30e1\u30f3\u30c8\u306b\u4ee5\u4e0b\u306e\u3088\u3046\u306b\u8aac\u660e\u3055\u308c\u3066\u3044\u307e\u3059\u3002<\/p>\n\n\n\n<blockquote class=\"wp-block-quote is-layout-flow wp-block-quote-is-layout-flow\">\n<p><span id=\"docs-internal-guid-7dbcafe2-7fff-796b-3636-8489e8b271ce\"><span style=\"font-size: 11pt; font-family: Arial, sans-serif; background-color: transparent; font-variant-numeric: normal; font-variant-east-asian: normal; font-variant-alternates: normal; font-variant-position: normal; vertical-align: baseline;\">The secondaries replicate the primary's oplog and apply the operations to their data sets such that the secondaries' data sets reflect the primary's data set.<\/span><\/span><\/p>\n<cite>MongoDB\u516c\u5f0f\u30c9\u30ad\u30e5\u30e1\u30f3\u30c8\u3088\u308a<\/cite><\/blockquote>\n\n\n\n<p>\u30bb\u30ab\u30f3\u30c0\u30ea\u306f\u30d7\u30e9\u30a4\u30de\u30ea\u5185\u306eoplog\u3092\u81ea\u8eab\u306b\u30b3\u30d4\u30fc\u3057\u3001\u305d\u308c\u3092\u5143\u306b\u3001\u5dee\u5206\u3092\u81ea\u5206\u304c\u6301\u3063\u3066\u3044\u308b\u30c7\u30fc\u30bf\u30bb\u30c3\u30c8\u306b\u975e\u540c\u671f\u3067\u53cd\u6620\u3057\u307e\u3059\u3002<\/p>\n\n\n\n<p>\u300coplog\u300d\u306f\u30c7\u30fc\u30bf\u30d9\u30fc\u30b9\u3078\u306e\u30aa\u30da\u30ec\u30fc\u30b7\u30e7\u30f3\u3092\u8a18\u9332\u3057\u305f\u3082\u306e\u3067\u3059\u3002\u3064\u307e\u308a\u3001\u30ec\u30d7\u30ea\u30ab\u30bb\u30c3\u30c8\u5185\u3067\u30c7\u30fc\u30bf\u3092\u540c\u671f\u3059\u308b\u3068\u304d\u306f\u3001\u30c7\u30fc\u30bf\u30d9\u30fc\u30b9\u306e\u30c7\u30fc\u30bf\u305d\u306e\u3082\u306e\u3067\u306f\u306a\u304f\u3001\u30c7\u30fc\u30bf\u30d9\u30fc\u30b9\u3078\u306e\u30aa\u30da\u30ec\u30fc\u30b7\u30e7\u30f3\u8a18\u9332\u3092\u30b3\u30d4\u30fc\u3057\u3066\u3001\u5404\u81ea\u306e\u624b\u5143\u306e\u30c7\u30fc\u30bf\u30d9\u30fc\u30b9\u306b\u53cd\u6620\u3057\u3066\u3044\u308b\u3053\u3068\u306b\u306a\u308a\u307e\u3059\u3002<\/p>\n\n\n\n<p>oplog\u306f\u3069\u306e\u3088\u3046\u306a\u30d5\u30a1\u30a4\u30eb\u306a\u306e\u3067\u3057\u3087\u3046\u304b\uff1f<a href=\"https:\/\/www.mongodb.com\/docs\/manual\/core\/replica-set-oplog\/#std-label-replica-set-oplog\" target=\"_blank\" rel=\"noreferrer noopener\">oplog\u306b\u95a2\u3059\u308b\u30c9\u30ad\u30e5\u30e1\u30f3\u30c8<\/a>\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>The <a href=\"https:\/\/www.mongodb.com\/docs\/manual\/reference\/glossary\/#std-term-oplog\" target=\"_blank\" rel=\"noreferrer noopener\">oplog<\/a> (operations log) is a special <a href=\"https:\/\/www.mongodb.com\/docs\/manual\/reference\/glossary\/#std-term-capped-collection\" target=\"_blank\" rel=\"noreferrer noopener\">capped collection<\/a> that keeps a rolling record of all operations that modify the data stored in your databases.<\/p>\n<cite>MongoDB\u516c\u5f0f\u30c9\u30ad\u30e5\u30e1\u30f3\u30c8\u3088\u308a<\/cite><\/blockquote>\n\n\n\n<p>oplog(\u30aa\u30da\u30ec\u30fc\u30b7\u30e7\u30f3\u30ed\u30b0\uff09\u306fMongoDB\u306e\u30c7\u30fc\u30bf\u30d9\u30fc\u30b9\u5185\u306b\u3001\u7ba1\u7406\u7528\u306e\u4e0a\u9650\u4ed8\u304d\u30b3\u30ec\u30af\u30b7\u30e7\u30f3\u306e\u3072\u3068\u3064\u3068\u3057\u3066\u4fdd\u5b58\u3055\u308c\u3066\u3044\u307e\u3059\u3002\u30c7\u30d5\u30a9\u30eb\u30c8\u3067\u306f\u30c7\u30a3\u30b9\u30af\u30b5\u30a4\u30ba\u306e5%\u306e\u30b5\u30a4\u30ba\u3067\u4f5c\u6210\u3055\u308c\u307e\u3059\u3002<\/p>\n\n\n\n<h2 class=\"wp-block-heading\">oplog\u3092\u898b\u3066\u307f\u3088\u3046\uff01<\/h2>\n\n\n\n<p>\u5b9f\u969b\u306b\u30ec\u30d7\u30ea\u30ab\u30bb\u30c3\u30c8\u3092\u69cb\u7bc9\u3057\u3066\u3001oplog\u3092\u898b\u3066\u307f\u307e\u3057\u3087\u3046\u3002\u4eca\u56de\u306f6.0.6\u306eEnterprise\u3092\u4f7f\u7528\u3057\u3066\u3044\u307e\u3059\u3002\u30ec\u30d7\u30ea\u30ab\u30bb\u30c3\u30c8\u306f\u30d7\u30e9\u30a4\u30de\u30ea1\u53f0\u30bb\u30ab\u30f3\u30c0\u30ea2\u53f0\u306e3\u30ce\u30fc\u30c9\u69cb\u6210\u3067\u3059\u3002\u69cb\u7bc9\u624b\u9806\u306f\u5272\u611b\u3057\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=\"\">nika@rep1sv ~ $uname -a\nLinux rep1sv 5.10.0-23-amd64 #1 SMP Debian 5.10.179-1 (2023-05-12) x86_64 GNU\/Linux\n\nUsing MongoDB:          6.0.6\nUsing Mongosh:          2.1.0<\/pre>\n\n\n\n<p>\u30b5\u30fc\u30d0\u5185\u306b\u3042\u308b\u30c7\u30fc\u30bf\u30d9\u30fc\u30b9\u4e00\u89a7\u3092\u898b\u3066\u307f\u307e\u3059\u3002\u30a4\u30f3\u30b9\u30c8\u30fc\u30eb\u76f4\u5f8c\u306a\u306e\u3067\u3001\u30c7\u30d5\u30a9\u30eb\u30c8\u306e\u7ba1\u7406\u7528\u30c7\u30fc\u30bf\u30d9\u30fc\u30b9\u3057\u304b\u5b58\u5728\u3057\u3066\u3044\u307e\u305b\u3093\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=\"\">Enterprise rs0 [direct: primary] test> show dbs\nadmin   204.00 KiB\nconfig  228.00 KiB\nlocal    23.55 MiB<\/pre>\n\n\n\n<p>local\u3068\u3044\u3046\u30c7\u30fc\u30bf\u30d9\u30fc\u30b9\u306e\u4e2d\u306e\u30b3\u30ec\u30af\u30b7\u30e7\u30f3\u4e00\u89a7\u3092\u898b\u3066\u307f\u307e\u3057\u3087\u3046\u3002\u4e00\u756a\u4e0a\u306b\u3001oplog.rs\u3068\u3044\u3046\u540d\u524d\u306e\u30b3\u30ec\u30af\u30b7\u30e7\u30f3\u304c\u3042\u308a\u307e\u3059\u3002\u3053\u308c\u304coplog\u306e\u5b9f\u614b\u3067\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=\"\">Enterprise rs0 [direct: primary] local> show collections\noplog.rs\nreplset.election\nreplset.initialSyncId\nreplset.minvalid\nreplset.oplogTruncateAfterPoint\nstartup_log\nsystem.replset\nsystem.rollback.id\nsystem.tenantMigration.oplogView  [view]\nsystem.views<\/pre>\n\n\n\n<p>oplog\u306f\u30b3\u30ec\u30af\u30b7\u30e7\u30f3\u306a\u306e\u3067\u3001\u4ed6\u306e\u30b3\u30ec\u30af\u30b7\u30e7\u30f3\u3068\u540c\u69d8\u306b\u4e2d\u8eab\u3092\u898b\u308b\u3053\u3068\u304c\u3067\u304d\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=\"\">Enterprise rs0 [direct: primary] local> db.oplog.rs.findOne()\n{\nop: 'n',\nns: '',\no: { msg: 'initiating set' },\nts: Timestamp({ t: 1690855438, i: 1 }),\nv: Long('2'),\nwall: ISODate('2023-08-01T02:03:58.126Z')\n}<\/pre>\n\n\n\n<p>\u30ec\u30d7\u30ea\u30ab\u30bb\u30c3\u30c8\u95a2\u9023\u306e\u30b3\u30de\u30f3\u30c9\u306frs.~\u3067\u64cd\u4f5c\u53ef\u80fd\u3067\u3059\u3002\u88dc\u5b8c\u3055\u308c\u3066\u6ca2\u5c71\u51fa\u3066\u304d\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=\"\">Enterprise rs0 [direct: primary] test> rs.\nrs.__proto__                      rs.constructor                    rs.hasOwnProperty\nrs.isPrototypeOf                  rs.propertyIsEnumerable           rs.toLocaleString\nrs.toString                       rs.valueOf                        rs.initiate\nrs.config                         rs.conf                           rs.reconfig\nrs.reconfigForPSASet              rs.status                         rs.isMaster\nrs.hello                          rs.printSecondaryReplicationInfo  rs.printReplicationInfo\nrs.add                            rs.addArb                         rs.remove\nrs.freeze                         rs.stepDown                       rs.syncFrom<\/pre>\n\n\n\n<p>\u4f8b\u3048\u3070\u3001rs.printReplicationInfo()\u30b3\u30de\u30f3\u30c9\u3092\u4f7f\u7528\u3059\u308b\u3068\u3001oplog\u306e\u5b9f\u969b\u306e\u30b5\u30a4\u30ba\u3084\u6700\u5f8c\u306b\u540c\u671f\u3057\u305f\u6642\u9593\u304c\u5206\u304b\u308a\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=\"\">Enterprise rs0 [direct: primary] local> rs.printReplicationInfo()\nactual oplog size\n'990 MB'\n---\nconfigured oplog size\n'990 MB'\n---\nlog length start to end\n'10820290 secs (3005.64 hrs)'\n---\noplog first event time\n'Tue Aug 01 2023 11:03:58 GMT+0900 (\u65e5\u672c\u6a19\u6e96\u6642)'\n---\noplog last event time\n'Mon Dec 04 2023 16:42:08 GMT+0900 (\u65e5\u672c\u6a19\u6e96\u6642)'\n---\nnow\n'Mon Dec 04 2023 16:42:12 GMT+0900 (\u65e5\u672c\u6a19\u6e96\u6642)'<\/pre>\n\n\n\n<p>\u3067\u306f\u3001\u5b9f\u969b\u306b\u30c7\u30fc\u30bf\u30d9\u30fc\u30b9\u306b\u30c7\u30fc\u30bf\u3092\u8ffd\u52a0\u3057\u305f\u3089\u3001oplog\u3067\u3069\u306e\u3088\u3046\u306b\u8a18\u9332\u3055\u308c\u308b\u306e\u3067\u3057\u3087\u3046\u304b\uff1f\u3084\u3063\u3066\u307f\u307e\u3057\u3087\u3046\u3002<\/p>\n\n\n\n<p>\u624b\u59cb\u3081\u306b\u30c7\u30fc\u30bf\u30d9\u30fc\u30b9\u3068\u30b3\u30ec\u30af\u30b7\u30e7\u30f3\u3092\u4f5c\u6210\u3057\u307e\u3059\u3002Asticassia\u304c\u30c7\u30fc\u30bf\u30d9\u30fc\u30b9\u540d\u3001pilot\u304c\u30b3\u30ec\u30af\u30b7\u30e7\u30f3\u540d\u3067\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=\"\">Enterprise rs0 [direct: primary] test> use Asticassia\nswitched to db Asticassia\nEnterprise rs0 [direct: primary] Asticassia> db.createCollection(\"pilot\")\n{ ok: 1 }\nEnterprise rs0 [direct: primary] Asticassia> show collections\npilot<\/pre>\n\n\n\n<p>oplog\u3067\u3069\u306e\u3088\u3046\u306b\u53cd\u6620\u3055\u308c\u3066\u3044\u308b\u304b\u3001\u898b\u3066\u307f\u307e\u3057\u3087\u3046\u3002o.create\u3067pilot\u304c\u4f5c\u6210\u3055\u308c\u3066\u3044\u308b\u3053\u3068\u304c\u308f\u304b\u308a\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=\"\">Enterprise rs0 [direct: primary] local> db.oplog.rs.find({ \"o.create\":\"pilot\" })\n[\n  {\n    op: 'c',\n    ns: 'Asticassia.$cmd',\n    ui: UUID('35e5b59a-5fa4-43c7-8c16-96be4a2415fc'),\n    o: {\n      create: 'pilot',\n      idIndex: { v: 2, key: { _id: 1 }, name: '_id_' }\n    },\n    ts: Timestamp({ t: 1701756432, i: 1 }),\n    t: Long('3'),\n    v: Long('2'),\n    wall: ISODate('2023-12-05T06:07:12.966Z')\n  }\n]<\/pre>\n\n\n\n<p>\u30ec\u30b3\u30fc\u30c9\u3092\u8ffd\u52a0\u3057\u3066\u307f\u307e\u3057\u3087\u3046\u3002\uff08\u86c7\u8db3\uff1ainsert\u3092\u4f7f\u3063\u305f\u3089\u305d\u308c\u306fdeprecated\u3060\u3088\u3068\u6012\u3089\u308c\u3066\u3057\u307e\u3044\u307e\u3057\u305f\u3002\u3053\u3046\u3044\u3046\u5834\u9762\u3067\u306finsertOne\u3092\u4f7f\u3063\u305f\u65b9\u304c\u826f\u3055\u305d\u3046\u3067\u3059\u3002\uff09<\/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=\"\">Enterprise rs0 [direct: primary] Assticasia> db.pilot.insert({ name:\"Suletta Mercury\",age:17,dorm:\"earth\" })\nDeprecationWarning: Collection.insert() is deprecated. Use insertOne, insertMany, or bulkWrite.\n{\n  acknowledged: true,\n  insertedIds: { '0': ObjectId('656ec24add675a48e31a3b91') }\n}<\/pre>\n\n\n\n<p>\u30ec\u30b3\u30fc\u30c9\u8ffd\u52a0\u304c\u3069\u306e\u3088\u3046\u306b\u8a18\u9332\u3055\u308c\u3066\u3044\u308b\u306e\u304b\u3001oplog\u3092\u898b\u3066\u307f\u307e\u3057\u3087\u3046\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=\"\">Enterprise rs0 [direct: primary] Assticasia> use local\nswitched to db local\nEnterprise rs0 [direct: primary] local> db.oplog.rs.find({ \"o.name\":\"Suletta Mercury\"})\n[\n  {\n    lsid: {\n      id: UUID('8a0102ce-c139-4d4e-9a56-72bad1f5a85b'),\n      uid: Binary.createFromBase64('47DEQpj8HBSa+\/TImW+5JCeuQeRkm5NMpJWZG3hSuFU=', 0)\n    },\n    txnNumber: Long('1'),\n    op: 'i',\n    ns: 'Assticasia.pilot',\n    ui: UUID('91d94105-a7ae-43a6-9d76-f91f43b7b9c3'),\n    o: {\n      _id: ObjectId('656ec24add675a48e31a3b91'),\n      name: 'Suletta Mercury',\n      age: 17,\n      dorm: 'earth'\n    },\n    o2: { _id: ObjectId('656ec24add675a48e31a3b91') },\n    stmtId: 0,\n    ts: Timestamp({ t: 1701757514, i: 2 }),\n    t: Long('3'),\n    v: Long('2'),\n    wall: ISODate('2023-12-05T06:25:14.510Z'),\n    prevOpTime: { ts: Timestamp({ t: 0, i: 0 }), t: Long('-1') }\n  }\n]<\/pre>\n\n\n\n<p>\u4eca\u56de\u306foplog\u5185\u3092\u78ba\u8a8d\u3059\u308b\u305f\u3081\u306bmongosh\u3092\u4f7f\u3063\u3066\u3044\u307e\u3059\u304c\u3001\u30b3\u30ec\u30af\u30b7\u30e7\u30f3\u5185\u3092\u773a\u3081\u305f\u308a\u3059\u308b\u306e\u306b\u5c11\u3057\u4e0d\u90fd\u5408\u3092\u611f\u3058\u308b\u304b\u3082\u3057\u308c\u307e\u305b\u3093\u3002\u305d\u3093\u306a\u3068\u304d\u306fjson\u306b\u3057\u3066\u3057\u307e\u3044\u307e\u3057\u3087\u3046\u3002\u307f\u3093\u306a\u5927\u597d\u304d\u306ajq\u3092\u4f7f\u3046\u3053\u3068\u304c\u3067\u304d\u307e\u3059\u3002<\/p>\n\n\n\n<p><a href=\"https:\/\/www.mongodb.com\/docs\/database-tools\/mongoexport\/\" target=\"_blank\" rel=\"noreferrer noopener\">mongoexport<\/a>\u30b3\u30de\u30f3\u30c9\u3092\u4f7f\u7528\u3059\u308c\u3070\u7c21\u5358\u306bjson\u306b\u3059\u308b\u3053\u3068\u304c\u3067\u304d\u307e\u3059\u3002\u305d\u306e\u6642\u70b9\u306e\u3082\u306e\u3092\u30c0\u30a6\u30f3\u30ed\u30fc\u30c9\u3059\u308b\u306e\u3067\u3001\u30ea\u30a2\u30eb\u30bf\u30a4\u30e0\u3067oplog\u3092\u773a\u3081\u308b\u7528\u9014\u306b\u306f\u4f7f\u3048\u307e\u305b\u3093\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=\"\">nika@rep1sv ~ $mongoexport --collection=oplog.rs --db=local --out=oplog.json\n2023-12-05T15:33:41.471+0900    connected to: mongodb:\/\/localhost\/\n2023-12-05T15:33:42.481+0900    [#.......................]  local.oplog.rs  80000\/1019090  (7.9%)\n2023-12-05T15:33:43.481+0900    [#####...................]  local.oplog.rs  216000\/1019090  (21.2%)\n2023-12-05T15:33:44.490+0900    [########................]  local.oplog.rs  344000\/1019090  (33.8%)\n2023-12-05T15:33:45.482+0900    [###########.............]  local.oplog.rs  480000\/1019090  (47.1%)\n2023-12-05T15:33:46.476+0900    [##############..........]  local.oplog.rs  624000\/1019090  (61.2%)\n2023-12-05T15:33:47.492+0900    [##################......]  local.oplog.rs  768000\/1019090  (75.4%)\n2023-12-05T15:33:48.472+0900    [#####################...]  local.oplog.rs  912000\/1019090  (89.5%)\n2023-12-05T15:33:49.082+0900    [########################]  local.oplog.rs  1019096\/1019090  (100.0%)\n2023-12-05T15:33:49.082+0900    exported 1019096 records<\/pre>\n\n\n\n<p>\u79c1\u306f\u3088\u304f\u3053\u308c\u3067MongoDB\u306e\u30ed\u30b0\u3092\u773a\u3081\u3066\u3044\u307e\u3059\u3002\u6c17\u306b\u306a\u308b\u65b9\u306f\u305c\u3072\u3054\u81ea\u8eab\u306e\u74b0\u5883\u3067oplog\u3092\u773a\u3081\u3066\u307f\u3066\u304f\u3060\u3055\u3044\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=\"\">nika@rep1sv ~ $jq -C . oplog.json |less -R<\/pre>\n\n\n\n<p>oplog\u306e\u30c7\u30fc\u30bf\u69cb\u9020\u306f\u516c\u5f0f\u30c9\u30ad\u30e5\u30e1\u30f3\u30c8\u306b\u306f\u8a18\u8f09\u3055\u308c\u3066\u3044\u306a\u3044\u3088\u3046\u3067\u3059\u3002\uff08\u3082\u3061\u308d\u3093\u79c1\u304c\u767a\u898b\u3067\u304d\u306a\u304b\u3063\u305f\u3060\u3051\u306e\u53ef\u80fd\u6027\u3082\u3042\u308a\u307e\u3059\uff09<a href=\"https:\/\/atharva-inamdar.medium.com\/understanding-mongodb-oplog-249f3996f528\" target=\"_blank\" rel=\"noreferrer noopener\">\u6d77\u5916\u306e\u30d6\u30ed\u30b0<\/a>\u3067\u30bd\u30fc\u30b9\u3092\u8aad\u307f\u8fbc\u3093\u3067\u89e3\u8aac\u3057\u3066\u3044\u308b\u65b9\u304c\u3044\u307e\u3057\u305f\u3002\u3059\u3054\u3044\u3002<\/p>\n\n\n\n<h2 class=\"wp-block-heading\">\u30ec\u30d7\u30ea\u30ab\u30bb\u30c3\u30c8\u9593\u3067\u3069\u3046\u3084\u3063\u3066oplog\u3092\u540c\u671f\u3057\u3066\u3044\u308b\u306e\u304b\uff1f<\/h2>\n\n\n\n<p>\u30d7\u30e9\u30a4\u30de\u30ea\u3068\u30bb\u30ab\u30f3\u30c0\u30ea\u306f\u3069\u306e\u3088\u3046\u306boplog\u3092\u66f4\u65b0\u3057\u3066\u3044\u308b\u306e\u3067\u3057\u3087\u3046\u304b\uff1f\u305d\u308c\u306f\u30c9\u30ad\u30e5\u30e1\u30f3\u30c8\u306e<a href=\"https:\/\/www.mongodb.com\/docs\/v7.0\/core\/replica-set-sync\/#replica-set-data-synchronization\" target=\"_blank\" rel=\"noreferrer noopener\">\u3053\u306e\u30da\u30fc\u30b8<\/a>\u3067\u89e3\u8aac\u3055\u308c\u3066\u3044\u307e\u3059\u3002<\/p>\n\n\n\n<p><strong>Initial Sync<\/strong>\u3068<strong>Replication<\/strong>\u3068\u3044\u30462\u3064\u306e\u540c\u671f\u65b9\u6cd5\u3092\u4f7f\u3063\u3066\u3044\u307e\u3059\u3002<\/p>\n\n\n\n<p>Initial Sync\u306f\u30ec\u30d7\u30ea\u30ab\u30bb\u30c3\u30c8\u3092\u6700\u521d\u306b\u69cb\u7bc9\u3057\u305f\u3068\u304d\u306b\u5b9f\u884c\u3055\u308c\u308b\u3001\u3044\u308f\u3086\u308b\u521d\u671f\u540c\u671f\u3067\u3059\u3002Replication\u306fInitial Sync\u304c\u7d42\u308f\u3063\u305f\u5f8c\u3082\u7d99\u7d9a\u7684\u306b\u30c7\u30fc\u30bf\u3092\u540c\u671f\u3059\u308b\u4ed5\u7d44\u307f\u3067\u3059\u3002<\/p>\n\n\n\n<p>streaming replication\u3068\u3044\u3046\u6a5f\u80fd\u3067\u30d7\u30e9\u30a4\u30de\u30ea\u304b\u3089\u30bb\u30ab\u30f3\u30c0\u30ea\u306b\u30c7\u30fc\u30bf\u30b9\u30c8\u30ea\u30fc\u30e0\u3092\u6295\u3052\u3066\u3044\u307e\u3059\u3002\u307e\u305f\u3001<a href=\"https:\/\/www.mongodb.com\/docs\/manual\/core\/tailable-cursors\/\" target=\"_blank\" rel=\"noreferrer noopener\">Tailable Cursors<\/a>\u3068\u3044\u3046\u6a5f\u80fd\u3067\u30bb\u30ab\u30f3\u30c0\u30ea\u304b\u3089\u3082\u30d7\u30e9\u30a4\u30de\u30ea\u306eoplog\u3092\u8ffd\u5c3e\u3057\u307e\u3059\u3002<\/p>\n\n\n\n<p>\u8a73\u3057\u3044\u3053\u3068\u306fMongoDB University\u306e\u300c<a href=\"https:\/\/learn.mongodb.com\/courses\/replication-in-mongodb\" target=\"_blank\" rel=\"noreferrer noopener\">Replication in MongoDB<\/a>\u300d\u30b3\u30fc\u30b9\u3067\u3082\u89e3\u8aac\u3055\u308c\u3066\u3044\u308b\u306e\u3067\u3001\u6c17\u306b\u306a\u308b\u65b9\u306f\u3053\u3061\u3089\u3082\u53d7\u8b1b\u3057\u3066\u307f\u3066\u304f\u3060\u3055\u3044\u3002\u7121\u6599\u3067\u3059\u3002<\/p>\n\n\n\n<h2 class=\"wp-block-heading\">\u304a\u308f\u308a\u306b<\/h2>\n\n\n\n<p>\u4eca\u56de\u306foplog\u306e\u6b63\u4f53\u3068\u4ed5\u7d44\u307f\u306b\u3064\u3044\u3066\u8ffd\u3063\u304b\u3051\u3066\u307f\u307e\u3057\u305f\u3002\u3069\u306e\u3088\u3046\u306b\u30ec\u30d7\u30ea\u30b1\u30fc\u30b7\u30e7\u30f3\u3092\u5b9f\u73fe\u3057\u3066\u3044\u308b\u306e\u304b\u3001\u5c11\u3057\u7406\u89e3\u304c\u6df1\u307e\u3063\u3066\u826f\u304b\u3063\u305f\u3067\u3059\u3002oplog\u306e\u5b9f\u904b\u7528\uff08\u30a6\u30a3\u30f3\u30c9\u30a6\u30b5\u30a4\u30ba\u3084\u66f4\u65b0\u983b\u5ea6\u306e\u30d1\u30e9\u30e1\u30fc\u30bf\u3068\u304b\uff09\u306b\u3064\u3044\u3066\u3001\u3082\u3046\u5c11\u3057\u7a81\u3063\u8fbc\u3093\u3067\u8abf\u3079\u305f\u304b\u3063\u305f\u3067\u3059\u306d\u3002\u305d\u306e\u307b\u304b\u306b\u3082\u3001oplog\u306f\u30dd\u30a4\u30f3\u30c8\u30a4\u30f3\u30bf\u30a4\u30e0\u30ea\u30ab\u30d0\u30ea\u3084write concern(\u66f8\u304d\u8fbc\u307f\u4fdd\u8a3c\uff09\u306e\u5b9f\u73fe\u306b\u91cd\u8981\u306a\u5f79\u5272\u3092\u3057\u3066\u3044\u308b\u306e\u3067\u3001\u3053\u3061\u3089\u3082\u8abf\u3079\u3066\u307e\u3068\u3081\u3088\u3046\u3068\u601d\u3063\u3066\u3044\u305f\u306e\u3067\u3059\u304c\u3001\u30af\u30ea\u30b9\u30de\u30b9\u3069\u3053\u308d\u304b\u5e74\u304c\u660e\u3051\u3066\u3057\u307e\u3044\u305d\u3046\u3067\u3059\u3002\u307e\u305f\u306e\u6a5f\u4f1a\u306b\u3002<\/p>\n\n\n\n<p>MongoDB\u306f\u540d\u524d\uff08\u300c\u5de8\u5927\u306a\u300d\u3068\u3044\u3046\u610f\u5473\u306ehumongous\u3068\u3044\u3046\u5358\u8a9e\u304c\u7531\u6765\u3057\u3066\u3044\u308b\u305d\u3046\u3067\u3059\uff09\u306e\u901a\u308a\u3001\u300c\u5927\u91cf\u306e\u30c7\u30fc\u30bf\u3092\u901f\u5ea6\u91cd\u8996\u3067\u30d0\u30ab\u30b9\u30ab\u3069\u3093\u3069\u3093\u7a81\u3063\u8fbc\u3081\u308b\u300d\u3068\u3044\u3046\u30a4\u30e1\u30fc\u30b8\u304c\u3042\u308a\u307e\u3057\u305f\u3002\u305d\u308c\u3092\u5b9f\u73fe\u3059\u308b\u305f\u3081\u306e\u4ed5\u7d44\u307f\u306e\u3072\u3068\u3064\u3067\u3042\u308b\u3001Tailable Cursors\u306e\u3053\u3068\u3082\u77e5\u308c\u3066\u3088\u304b\u3063\u305f\u3067\u3059\u3002<\/p>\n\n\n\n<p>\u305d\u308c\u3067\u306f\u300116\u65e5\u76ee\u306b\u30d0\u30c8\u30f3\u30bf\u30c3\u30c1\u3059\u308b\u3053\u3068\u306b\u3057\u307e\u3059\u3002\u6b21\u306f\u3069\u3093\u306a\u8a18\u4e8b\u304b\u306a\uff5e\uff1f<\/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\u3053\u3061\u3089\u306f\u30af\u30ea\u30a8\u30fc\u30b7\u30e7\u30f3\u30e9\u30a4\u30f3\u30a2\u30c9\u30d9\u30f3\u30c8\u30ab\u30ec\u30f3\u30c0\u30fc\u300115\u65e5\u76ee\u306e\u8a18\u4e8b\u3067\u3059\u3002 \u4e16\u9593\u306f\u3059\u3063\u304b\u308a\u30af\u30ea\u30b9\u30de\u30b9\u30e0\u30fc\u30c9\u3067\u3059\u306d\u3002\u307f\u306a\u3055\u3093\u306f\u3069\u3046\u304a\u904e\u3054\u3057\u3067\u3057\u3087\u3046\u304b\u3002\u6211\u304c\u5bb6\u306e\u30af\u30ea\u30b9\u30de\u30b9 [&#8230;]<\/p>\n","protected":false},"author":66,"featured_media":67381,"comment_status":"closed","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":{"_acf_changed":false,"content-type":"","footnotes":""},"categories":[808,79,815],"tags":[105],"class_list":["post-67658","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-k-yamamori","category-mongodb","category-data-management","tag-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\u304a\u3051\u308b\u30ec\u30d7\u30ea\u30b1\u30fc\u30b7\u30e7\u30f3\u306e\u4ed5\u7d44\u307f\u3000\uff5eoplog\u3063\u3066\u306a\u306b\uff1f\uff5e - Tech Blog\uff5c\u30af\u30ea\u30a8\u30fc\u30b7\u30e7\u30f3\u30e9\u30a4\u30f3<\/title>\n<meta name=\"description\" content=\"k-yamamori, MongoDB, \u30c7\u30fc\u30bf\u200b\u200b\u30de\u30cd\u30b8\u30e1\u30f3\u30c8 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