{"id":9310,"date":"2017-04-19T10:15:53","date_gmt":"2017-04-19T01:15:53","guid":{"rendered":"http:\/\/sitest.jp\/blog\/?p=9310"},"modified":"2017-04-19T10:10:16","modified_gmt":"2017-04-19T01:10:16","slug":"rdb%e3%81%a8%e3%81%af%e4%b8%80%e5%91%b3%e9%81%95%e3%81%86%ef%bc%81%ef%bc%9fmongodb%e3%81%ae%e7%89%b9%e5%be%b4","status":"publish","type":"post","link":"https:\/\/sitest.jp\/blog\/?p=9310","title":{"rendered":"RDB\u3068\u306f\u4e00\u5473\u9055\u3046\uff01\uff1fMongoDB\u306e\u7279\u5fb4"},"content":{"rendered":"

\u30c7\u30fc\u30bf\u30d9\u30fc\u30b9\u3068\u3044\u3046\u8a00\u8449\u3092\u805e\u304f\u3068\u5148\u305a\u601d\u3044\u6d6e\u304b\u3079\u308b\u306e\u306fSQL\u6587\u304b\u3089\u30c7\u30fc\u30bf\u3092\u64cd\u4f5c\u3059\u308bRDB\u3067\u306f\u306a\u3044\u3067\u3057\u3087\u3046\u304b\uff1f
\n\u30b0\u30e9\u30c3\u30c9\u30ad\u30e5\u30fc\u30d6\u3067\u306fMySQL\u304c\u4e3b\u6d41\u3067\u3057\u305f\u304c\u3001\u7528\u9014\u306b\u5fdc\u3058\u3066\u30c9\u30ad\u30e5\u30e1\u30f3\u30c8\u578b\u30c7\u30fc\u30bf\u30d9\u30fc\u30b9\u3067\u3042\u308bMongoDB\u3092\u5229\u7528\u3057\u3066\u3044\u307e\u3059\u3002
\n<\/p>\n

\n

\u30c9\u30ad\u30e5\u30e1\u30f3\u30c8\u30c7\u30fc\u30bf\u30d9\u30fc\u30b9<\/h3>\n<\/div>\n

Mongo\u306f\u3059\u3054\u304f\u96d1\u306a\u8a00\u3044\u65b9\u3092\u3059\u308b\u3068JSON\u3092\u7a4d\u307f\u91cd\u306d\u305fKey-Value\u30b9\u30c8\u30a2\u3067\u3059\u3002
\n\u305d\u306e\u6700\u5927\u306e\u7279\u5fb4\u306f\u30b9\u30ad\u30fc\u30de\u304c\u306a\u3044\u3053\u3068\u306b\u3042\u308a\u307e\u3059\u3002<\/p>\n

\u901a\u5e38\u306a\u3089\u3070\u3044\u304f\u3064\u304b\u306e\u5217\u3092\u3042\u3089\u304b\u3058\u3081\u8a2d\u5b9a\u3057\u305d\u3053\u306b\u5165\u308b\u30c7\u30fc\u30bf\u306e\u578b\u3082\u3042\u3089\u304b\u3058\u3081\u6c7a\u3081\u3066\u304a\u304f\u5fc5\u8981\u304c\u3042\u308a\u307e\u3059\u3002
\n\u3068\u3053\u308d\u304cMongoDB\u306f\u6c7a\u307e\u3063\u305f\u5217\u304c\u5b58\u5728\u3057\u307e\u305b\u3093\u3002
\n\u305d\u306e\u305f\u3081\u30c7\u30fc\u30bf\u306e\u9577\u3055\u3084\u578b\u306a\u3069\u4f55\u304c\u5165\u3063\u3066\u3044\u308b\u304b\u308f\u304b\u3089\u306a\u3044\u3067\u3059\u3002<\/p>\n

\u552f\u4e00_id\u3068\u3044\u3046\u30ab\u30e9\u30e0\u3060\u3051\u304c\u3069\u306e\u30c7\u30fc\u30bf\u306b\u3082\u5165\u308b\u3088\u3046\u306b\u306a\u3063\u3066\u3044\u307e\u3059\u3002
\n_id\u306f\u30c7\u30d5\u30a9\u30eb\u30c8\u3067\u306f\u30aa\u30d6\u30b8\u30a7\u30af\u30c8ID\u3068\u3044\u3046\u4e00\u4ef6\u30e9\u30f3\u30c0\u30e0\u306a\u5024\u3092\u6301\u3061\u3001\u30c7\u30fc\u30bf\u304c\u4f5c\u3089\u308c\u308b\u3068\u5fc5\u305a\u633f\u5165\u3055\u308c\u307e\u3059\u3002<\/p>\n

\u305f\u3060\u3057\u3001\u3053\u306e_id\u3067\u3059\u3089\u6c7a\u307e\u3063\u305f\u5f62\u3092\u6301\u305f\u306a\u3044\u306e\u3067\u5909\u66f4\u53ef\u80fd\u3067\u3059\u3002<\/p>\n

\n

\u30ec\u30d7\u30ea\u30b1\u30fc\u30b7\u30e7\u30f3<\/h3>\n<\/div>\n

MongoDB\u3092\u4f7f\u3063\u3066\u3044\u3066\u9a5a\u3044\u305f\u306e\u304c\u3001\u30ec\u30d7\u30ea\u30b1\u30fc\u30b7\u30e7\u30f3\u304c\u975e\u5e38\u306b\u7c21\u5358\u306a\u3053\u3068\u3067\u3059\u3002
\n\u30de\u30b9\u30bf\u30fc\u30b9\u30ec\u30a4\u30d6\u69cb\u6210\u306a\u30892\u53f0\u8d77\u52d5\u6642\u306bmaster slave\u3092\u6307\u5b9a\u3059\u308b\u3060\u3051\u3067\u5b9f\u88c5\u53ef\u80fd\u3067\u3059\u3002<\/p>\n

master\u306a\u3089<\/p>\n

mongod --master --dbpath \/mongo\/main\n<\/code><\/pre>\n
slave\u306a\u3089<\/p>\n
mongod --slave --source [\u30db\u30b9\u30c8\u540d]:27017 --dbpath \/mongo\/sub\n<\/code><\/pre>\n
\u307f\u305f\u3044\u306a\u611f\u3058\u3067\u3059\u3001slave\u306f\u8907\u6570\u7acb\u3061\u4e0a\u3052\u308b\u3053\u3068\u304c\u3067\u304d\u307e\u3059\u3002
\nslave\u306f\u66f8\u304d\u8fbc\u307f\u306e\u9045\u5ef6\u3092\u767a\u751f\u3055\u305b\u308b\u3053\u3068\u3082\u3067\u304d\u3001\u4e07\u304c\u4e00\u306e\u6642\u30c7\u30fc\u30bf\u306e\u5fa9\u65e7\u7b49\u306b\u4f7f\u3048\u307e\u3059\u3002
\n\u8a2d\u5b9a\u65b9\u6cd5\u306f<\/p>\n
config = rs.conf()\nconfig.members[0].priority = 0\nconfig.members[0].hidden = true\nconfig.members[0].slaveDelay = 3600\nrs.reconfig(config)\n<\/code><\/pre>\n
\u3053\u3093\u306a\u611f\u3058\u306e\u30b3\u30de\u30f3\u30c9\u3092master\u5074\u3067\u8a2d\u5b9a\u3059\u308b\u3060\u3051\u3067\u3059\u3002<\/p>\n
\u30d0\u30c3\u30af\u30a2\u30c3\u30d7\u304c\u7528\u610f\u306a\u3060\u3051\u3067\u306a\u304f\u30d5\u30a7\u30a4\u30eb\u30aa\u30fc\u30d0\u30fc\u6a5f\u80fd\u3067\u7247\u65b9\u304c\u52d5\u4f5c\u4e0d\u826f\u306b\u9665\u3063\u305f\u6642\u6b63\u5e38\u306a\u30c7\u30fc\u30bf\u30d9\u30fc\u30b9\u304c\u30d5\u30ed\u30f3\u30c8\u306b\u7acb\u3063\u3066\u7a3c\u50cd\u3059\u308b\u3053\u3068\u3082\u3067\u304d\u307e\u3059\u3002
\n\u3053\u3061\u3089\u3082\u8d77\u52d5\u30b3\u30de\u30f3\u30c9\u3067\u6307\u5b9a\u3059\u308b\u3060\u3051\u306a\u306e\u3067\u3059\u304c\u3001\u30de\u30b9\u30bf\u30fc\u30b9\u30ec\u30a4\u30d6\u69cb\u6210\u3068\u306f\u9055\u30443\u53f0\u30c7\u30fc\u30bf\u30d9\u30fc\u30b9\u3092\u7528\u610f\u3059\u308b\u5fc5\u8981\u304c\u3042\u308a\u307e\u3059\u3002
\n3\u53f0\u76ee\u306e\u30c7\u30fc\u30bf\u30d9\u30fc\u30b9\u3092arbiter\u3068\u547c\u3073\u3001\u3069\u3061\u3089\u306e\u30c7\u30fc\u30bf\u30d9\u30fc\u30b9\u304cprimary(\u66f8\u304d\u8fbc\u307f\u62c5\u5f53)\u306a\u306e\u304b\u6c7a\u5b9a\u3057\u3066\u3044\u307e\u3059\u3002<\/p>\n
primary\u306f<\/p>\n
mongod --pairwith [secondary\u306e\u30db\u30b9\u30c8\u540d]:27017 --arbiter [arbiter\u306e\u30db\u30b9\u30c8\u540d]:27017 --dbpath \/mongo\/primary\n<\/code><\/pre>\n
secondary\u306f<\/p>\n
mongod --pairwith [prumary\u306e\u30db\u30b9\u30c8\u540d]:27017 --arbiter [arbiter\u306e\u30db\u30b9\u30c8\u540d]:27017 --dbpath \/mongo\/secondary\n<\/code><\/pre>\n
arbiter\u306f<\/p>\n
mongod  --dbpath \/mongo\/arbiter\n<\/code><\/pre>\n
\u3067\u8a2d\u5b9a\u5b8c\u4e86\u3067\u3059\u3002<\/p>\n
\n
\u30b7\u30e3\u30fc\u30c7\u30a3\u30f3\u30b0<\/h3>\n<\/div>\n
\u30ec\u30d7\u30ea\u30b1\u30fc\u30b7\u30e7\u30f3\u3067\u53ef\u7528\u6027\u306e\u78ba\u4fdd\u306f\u3067\u304d\u307e\u3057\u305f\u3002
\n\u7d9a\u3044\u3066\u8907\u6570\u53f0\u306b\u8aad\u307f\u8fbc\u307f\u3092\u5206\u6563\u3055\u305b\u308b\u3053\u3068\u3067\u30d1\u30d5\u30a9\u30fc\u30de\u30f3\u30b9\u3092\u5411\u4e0a\u3055\u305b\u308b\u30b7\u30e3\u30fc\u30c7\u30a3\u30f3\u30b0\u3067\u3059\u3002<\/p>\n
MongoDB\u306b\u306f\u30d0\u30e9\u30f3\u30b7\u30f3\u30b0\u3068\u3044\u3046\u6a5f\u80fd\u304c\u5099\u308f\u3063\u3066\u304a\u308a\u3001\u30b7\u30e3\u30fc\u30c7\u30a3\u30f3\u30b0\u3057\u305f\u30b5\u30fc\u30d0\u30fc\u9593\u306e\u30c7\u30fc\u30bf\u304c\u504f\u3089\u306a\u3044\u3088\u3046\u8abf\u6574\u3092\u884c\u3063\u3066\u304f\u308c\u307e\u3059\u3002
\n\u3053\u308c\u306b\u3088\u3063\u3066\u8907\u6570\u53f0\u3067\u52d5\u3044\u3066\u3044\u308b\u3053\u3068\u3092\u610f\u8b58\u3057\u306a\u304f\u3068\u3082\u30b7\u30e3\u30fc\u30c7\u30a3\u30f3\u30b0\u3067\u8ca0\u8377\u3092\u5206\u6563\u3067\u304d\u307e\u3059\u3002<\/p>\n
\u30b7\u30e3\u30fc\u30c7\u30a3\u30f3\u30b0\u306b\u306f3\u7a2e\u985e\u306e\u30b5\u30fc\u30d0\u30fc\u304c\u5fc5\u8981\u306b\u306a\u308a\u307e\u3059\u3002<\/p>\n
\u30b7\u30e3\u30fc\u30c9\u3068\u547c\u3070\u308c\u308b\u30c7\u30fc\u30bf\u3092\u683c\u7d0d\u3059\u308b\u30b5\u30fc\u30d0\u30fc
\n\u3061\u306a\u307f\u306b\u8d77\u52d5\u30b3\u30de\u30f3\u30c9\u306f<\/p>\n
mongod --shardsvr --dbpath \/mongo\/node0(\u8907\u6570\u8a2d\u5b9a\u3057\u307e\u3059)\n<\/code><\/pre>\n
config\u30b5\u30fc\u30d0\u30fc\u3068\u547c\u3070\u308c\u308b\u30b7\u30e3\u30fc\u30c7\u30a3\u30f3\u30b0\u306e\u30c7\u30fc\u30bf\u3092\u7ba1\u7406\u3057\u3066\u3044\u308b\u30b5\u30fc\u30d0
\n\u3053\u3061\u3089\u306e\u8d77\u52d5\u30b3\u30de\u30f3\u30c9\u306f<\/p>\n
mongod --configsvr --dbpath \/mongo\/config\n<\/code><\/pre>\n
mongos\u30b5\u30fc\u30d0\u30fc\u3068\u547c\u3070\u308c\u308b\u30eb\u30fc\u30c6\u30a3\u30f3\u30b0\u7528\u306e\u30b5\u30fc\u30d0\u30fc
\n\u8d77\u52d5\u30b3\u30de\u30f3\u30c9\u306f<\/p>\n
mongos --configdb [config\u30b5\u30fc\u30d0\u306e\u30db\u30b9\u30c8:\u30dd\u30fc\u30c8]\n<\/code><\/pre>\n
mongos\u30b5\u30fc\u30d0\u30fc\u306b\u63a5\u7d9a\u3057mongo\u30b7\u30a7\u30eb\u3092\u8d77\u52d5\u3057\u307e\u3059\u3002
\n\u4f7f\u7528\u3059\u308b\u30c7\u30fc\u30bf\u30d9\u30fc\u30b9\u3092\u4f5c\u6210\u3057<\/p>\n
sh.enableSharding(\u30c7\u30fc\u30bf\u30d9\u30fc\u30b9\u540d)\n<\/code><\/pre>\n
\u306e\u30b3\u30de\u30f3\u30c9\u3092adminDB\u304b\u3089\u5b9f\u884c\u3057\u307e\u3059\u3002<\/p>\n
\u6b21\u306bsh.shardCollection(main.user, {uid: 1})<\/code>
\n\u3068\u3046\u3061\u30b7\u30e3\u30fc\u30c9\u5316\u3059\u308b\u30b3\u30ec\u30af\u30b7\u30e7\u30f3\u3092\u6307\u5b9a\u3057\u307e\u3059\u3002<\/p>\n
\u3053\u308c\u3067\u5404\u30c7\u30fc\u30bf\u306f\u79fb\u52d5\u3092\u59cb\u3081\u9069\u5207\u306a\u30b7\u30e3\u30fc\u30c7\u30a3\u30f3\u30b0\u3092\u884c\u306a\u3046\u3053\u3068\u304c\u3067\u304d\u307e\u3059\u3002<\/p>\n
\n
\u307e\u3068\u3081<\/h3>\n<\/div>\n
\u4eca\u56de\u306fMongoDB\u306e\u30e6\u30cb\u30fc\u30af\u306a\u6a5f\u80fd\u3068\u3057\u3066\u30ec\u30d7\u30ea\u30b1\u30fc\u30b7\u30e7\u30f3\u3068\u30b7\u30e3\u30fc\u30c7\u30a3\u30f3\u30b0\u3092\u4e3b\u306b\u7d39\u4ecb\u3057\u307e\u3057\u305f\u304c\u3001
\n\u30b3\u30ec\u30af\u30b7\u30e7\u30f3\u306b\u4e0a\u9650\u3092\u8a2d\u3051\u308bCapped Collection\u3084\u96c6\u8a08\u51e6\u7406\u306eAggregation\u3001MapReduce\u3068\u3044\u3063\u305f\u69d8\u3005\u306a\u6a5f\u80fd\u304c\u3042\u308a\u307e\u3059\u3002
\n\u307e\u305f\u30e1\u30ea\u30c3\u30c8\u304c\u76ee\u7acb\u3061\u307e\u3059\u304c\u3001\u30c7\u30e1\u30ea\u30c3\u30c8\u3082\u305d\u308c\u306a\u308a\u306b\u3042\u308b\u306e\u3067\u4eca\u5f8c\u305d\u3046\u3044\u3063\u305f\u30c7\u30e1\u30ea\u30c3\u30c8\u306b\u3064\u3044\u3066\u3082\u89e6\u308c\u3066\u3044\u304d\u305f\u3044\u3068\u601d\u3044\u307e\u3059\u3002<\/p>\n","protected":false},"excerpt":{"rendered":"
\u30c7\u30fc\u30bf\u30d9\u30fc\u30b9\u3068\u3044\u3046\u8a00\u8449\u3092\u805e\u304f\u3068\u5148\u305a\u601d\u3044\u6d6e\u304b\u3079\u308b\u306e\u306fSQL\u6587\u304b\u3089\u30c7\u30fc\u30bf\u3092\u64cd\u4f5c\u3059\u308bRDB\u3067\u306f\u306a\u3044\u3067\u3057\u3087\u3046\u304b\uff1f \u30b0\u30e9\u30c3\u30c9\u30ad\u30e5\u30fc\u30d6\u3067\u306fMySQL\u304c\u4e3b\u6d41\u3067\u3057\u305f\u304c\u3001\u7528\u9014\u306b\u5fdc\u3058\u3066\u30c9\u30ad\u30e5\u30e1\u30f3\u30c8\u578b\u30c7\u30fc\u30bf\u30d9\u30fc\u30b9\u3067\u3042\u308bMongoDB\u3092\u5229\u7528\u3057\u3066\u3044\u307e\u3059\u3002<\/p>\n","protected":false},"author":3,"featured_media":9318,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":[],"categories":[27],"tags":[],"acf":false,"_links":{"self":[{"href":"https:\/\/sitest.jp\/blog\/wp-json\/wp\/v2\/posts\/9310"}],"collection":[{"href":"https:\/\/sitest.jp\/blog\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/sitest.jp\/blog\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/sitest.jp\/blog\/wp-json\/wp\/v2\/users\/3"}],"replies":[{"embeddable":true,"href":"https:\/\/sitest.jp\/blog\/wp-json\/wp\/v2\/comments?post=9310"}],"version-history":[{"count":7,"href":"https:\/\/sitest.jp\/blog\/wp-json\/wp\/v2\/posts\/9310\/revisions"}],"predecessor-version":[{"id":9742,"href":"https:\/\/sitest.jp\/blog\/wp-json\/wp\/v2\/posts\/9310\/revisions\/9742"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/sitest.jp\/blog\/wp-json\/wp\/v2\/media\/9318"}],"wp:attachment":[{"href":"https:\/\/sitest.jp\/blog\/wp-json\/wp\/v2\/media?parent=9310"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/sitest.jp\/blog\/wp-json\/wp\/v2\/categories?post=9310"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/sitest.jp\/blog\/wp-json\/wp\/v2\/tags?post=9310"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}