{"id":23927,"date":"2019-12-03T08:00:33","date_gmt":"2019-12-02T23:00:33","guid":{"rendered":"https:\/\/www.techscore.com\/blog\/?p=23927"},"modified":"2019-12-23T13:24:41","modified_gmt":"2019-12-23T04:24:41","slug":"postgresql-conference-japan-2019","status":"publish","type":"post","link":"https:\/\/www.techscore.com\/blog\/2019\/12\/03\/postgresql-conference-japan-2019\/","title":{"rendered":"PostgreSQL Conference Japan 2019 \u306b\u53c2\u52a0\u3057\u307e\u3057\u305f"},"content":{"rendered":"<p class=\"\">\u3053\u308c\u306f <a href=\"https:\/\/www.techscore.com\/blog\/2019\/11\/21\/techscore-advent-calendar-2019\/\">\ud83d\ude3aTECHSCORE Advent Calendar 2019\ud83d\ude3a<\/a>\u306e3\u65e5\u76ee\u306e\u8a18\u4e8b\u3067\u3059\u3002<\/p>\n<p>\u6a2a\u7530\u3067\u3059\u30022019\/11\/15\u306b\u958b\u50ac\u3055\u308c\u305f\u65e5\u672cPostgreSQL\u30e6\u30fc\u30b6\u4f1a\u304c\u4e3b\u50ac\u3059\u308b<a href=\"https:\/\/www.postgresql.jp\/index.php\/jpug-pgcon2019\">PostgreSQL Conference Japan 2019<\/a> \u306b\u53c2\u52a0\u3057\u307e\u3057\u305f\u3002\u3053\u306e\u30ab\u30f3\u30d5\u30a1\u30ec\u30f3\u30b9\u3067\u306f15\u306e\u30bb\u30c3\u30b7\u30e7\u30f3\u304c\u5c55\u958b\u3055\u308c\u3066\u3044\u307e\u3057\u305f\u304c\u3001\u56fd\u7523\u306e\u5206\u6563RDBMS\u3067\u3042\u308bTsurugi(\u5294)\u304c\u975e\u5e38\u306b\u6c17\u306b\u306a\u3063\u305f\u306e\u3067\u3001Tsurugi(\u5294)\u306b\u7d5e\u3063\u3066\u66f8\u3044\u3066\u3044\u304d\u305f\u3044\u3068\u601d\u3044\u307e\u3059\u3002<\/p>\n<h1>\u56fd\u7523\u306e\u5206\u6563RDBMS\/ProjectTsurugi(\u5294)<\/h1>\n<h2>\u3010Tsurugi\uff08\u5294\uff09\u3063\u3066\u306a\u3093\u3060\uff1f\u3011<\/h2>\n<p>\u56fd\u7523OSS-DB\u3068\u3057\u3066\u65e5\u7d4c\u306b\u3082\u8f09\u3063\u305fDB\u30a8\u30f3\u30b8\u30f3\u306e\u958b\u767aProject\u3067\u3059\u3002\u5206\u6563\u69cb\u6210\u306b\u306a\u308b\u306e\u3067\u3001\u30b7\u30f3\u30b0\u30eb\u3067\u52d5\u3044\u3066\u3044\u308bPostgreSQL\u3068\u6bd4\u3079\u3066\u5c0e\u5165\u3068\u904b\u7528\u7ba1\u7406\u306e\u96e3\u6613\u5ea6\u306f\u96e3\u3057\u304f\u306a\u308b\u3068\u601d\u3044\u307e\u3059\u3002\u30b9\u30c8\u30a2\u30c9\u30d7\u30ed\u30b7\u30fc\u30b8\u30e3\u306e\u4e92\u63db\u6027\u306b\u3064\u3044\u3066\u306f\u602a\u3057\u305d\u3046\u3067\u3059\u304c\u3001SQL\u306fPostgreSQL\u7528\u306b\u958b\u767a\u3057\u305f\u8cc7\u7523\u3092\u305d\u306e\u307e\u307e\u4f7f\u3048\u308b\u3068\u65ad\u8a00\u3055\u308c\u3066\u3044\u307e\u3057\u305f\u3002Version\u9593\u5dee\u7570\u306b\u8d77\u56e0\u3059\u308b\u554f\u984c\u304c\u51fa\u308b\u3068\u601d\u308f\u308c\u308b\u305f\u3081\u52d5\u4f5c\u691c\u8a3c\u306f\u5fc5\u8981\u3060\u3051\u3069\u3001\u30b9\u30c8\u30a2\u30c9\u30d7\u30ed\u30b7\u30fc\u30b8\u30e3\u306e\u5b9f\u88c5\u304c\u306a\u3044\u30d7\u30ed\u30b0\u30e9\u30e0\u3067\u3042\u308c\u3070\u30d7\u30ed\u30b0\u30e9\u30e0\u6539\u4fee\u306f\u57fa\u672c\u4e0d\u8981\u3068\u8003\u3048\u3066\u826f\u3044\u306e\u3067\u3001\u5c0e\u5165\u969c\u58c1\u306f\u9ad8\u304f\u306a\u3044\u3068\u8003\u3048\u307e\u3059\u3002<\/p>\n<p>\u305f\u3060\u3001\u30c7\u30fc\u30bf\u306e\u6301\u3061\u65b9\u304c\u5909\u308f\u308b\u306e\u3067\u3001\u30c7\u30fc\u30bf\u79fb\u884c\u306f\u30e1\u30bf\u3092\u30c7\u30fc\u30bf\u3092\u5206\u3051\u3066export\/import\u3059\u308b\u3057\u304b\u306a\u3044\u3068\u3082\u4ef0\u3063\u3066\u3044\u307e\u3057\u305f\u3002\u79fb\u884c\u30b3\u30b9\u30c8\u306f\u305d\u308c\u306a\u308a\u306b\u9ad8\u304f\u306a\u308b\u304b\u3082\u3057\u308c\u307e\u305b\u3093\u3002<\/p>\n<p>&nbsp;<\/p>\n<h2>\u3010\u5294\u304c\u76ee\u6307\u3057\u3066\u3044\u308b\u3082\u306e\u3011<\/h2>\n<p>\u73fe\u884c\u306e\u6b86\u3069\u306eDatabase\u3067\u767a\u884c\u3057\u305f\u4e26\u5217\u30af\u30a8\u30ea\u306f\u3001Manycore processor\u3084\u5206\u6563\u74b0\u5883\u3092\u30d5\u30eb\u306b\u4f7f\u3044\u5207\u308c\u308b\u30a2\u30fc\u30ad\u30c6\u30af\u30c1\u30e3\u306b\u306a\u3063\u3066\u3044\u306a\u3044\u554f\u984c\u304c\u3042\u308a\u307e\u3059\u3002\u3053\u306e\u554f\u984c\u3092\u9069\u5207\u306b\u5206\u6563\u3067\u304d\u308bDatabase\u3092\u76ee\u6307\u3059\u3088\u3046\u3067\u3059\u3002<\/p>\n<p>\u307e\u305f\u3001HTAP\u3092\u5b9f\u73fe\u3055\u305b\u305f\u3044\u3068\u3082\u4ef0\u3063\u3066\u307e\u3057\u305f\u3002\uff08HTAP\u3068\u306fOLTP\u3068OLAP\u306e\u58c1\u3092\u306a\u304f\u3059\u3082\u306e\uff09\u5f93\u6765\u306eOLAP\u3067\u306f\u3001\u30c7\u30fc\u30bf\u3092\u591c\u9593\u30d0\u30c3\u30c1\u3067\u30ad\u30e5\u30fc\u30d6\u5316\u3059\u308b\u3053\u3068\u304c\u591a\u304b\u3063\u305f\u306e\u3067\u3059\u304c\u3001\u305d\u308c\u3092\u30ea\u30a2\u30eb\u30bf\u30a4\u30e0\u306bBI\u3068\u3057\u3066\u63d0\u4f9b\u3067\u304d\u308b\u3068\u3044\u3046\u512a\u308c\u3082\u306e\u3067\u3059\u3002\u5e7e\u3064\u304b\u306eDB\u3067\u306f\u65e2\u306b\u5b9f\u88c5\u3055\u308c\u3066\u3044\u307e\u3059\u304c\u3001PostgreSQL\u4e92\u63db\u306eOSS-DB\u3067\u7528\u610f\u3055\u308c\u308b\u306e\u306f\u5b09\u3057\u3044\u3067\u3059\u306d\u3002<\/p>\n<p>HTAP\u306e\u304a\u8a71\u306e\u4e2d\u3067\u3001\u66f4\u65b0\/\u53c2\u7167\u3092\u5206\u96e2\u3057\u305f\u5206\u6563\u74b0\u5883\u306b\u304a\u3051\u308bRead only transaction anomaly\u554f\u984c\u306b\u3064\u3044\u3066\u89e6\u308c\u3066\u3044\u307e\u3057\u305f\u3002\u5206\u6563\u74b0\u5883\u306b\u304a\u3044\u3066\u3053\u306e\u554f\u984c\u3092\u4f55\u3068\u304b\u305b\u3093\u3068\u3044\u304b\u3093\uff01\u3068\u529b\u8aac\u3055\u308c\u3066\u3044\u305f\u306e\u3067\u3001\u5c11\u3057\u8aac\u660e\u3057\u305f\u3044\u3068\u601d\u3044\u307e\u3059\u3002<\/p>\n<p>&nbsp;<\/p>\n<h2>\u3010Read only transaction anomaly \u554f\u984c\u3011<\/h2>\n<p>\u6050\u3089\u304fDB\u3092\u826f\u304f\u89e6\u308b\u65b9\u3067\u306a\u3044\u3068\u3001Read only transaction anomaly \u554f\u984c \u304c\u89e3\u3089\u306a\u3044\u3068\u601d\u3044\u307e\u3059\u306e\u3067\u3001\u307e\u305a\u306f\u3001\u3053\u306e\u554f\u984c\u81ea\u4f53\u306b\u3064\u3044\u3066\u7c21\u5358\u306b\u8aac\u660e\u3057\u3088\u3046\u3068\u601d\u3044\u307e\u3059\u3002<\/p>\n<p>\u203b\u30c8\u30e9\u30f3\u30b6\u30af\u30b7\u30e7\u30f3\u5206\u96e2\u30ec\u30d9\u30eb\u3092serializable\u3068\u3057\u3066\u8aac\u660e\u3057\u307e\u3059\u3002<\/p>\n<p><a href=\"https:\/\/www.techscore.com\/blog\/wp\/wp-content\/uploads\/2019\/11\/readanomal2.png\" rel=\"facebox\" rel=\"attachment wp-att-24126\"><img loading=\"lazy\" class=\"aligncenter size-full wp-image-24126\" src=\"https:\/\/www.techscore.com\/blog\/wp\/wp-content\/uploads\/2019\/11\/readanomal2.png\" alt=\"\" width=\"664\" height=\"894\" srcset=\"https:\/\/www.techscore.com\/blog\/wp\/wp-content\/uploads\/2019\/11\/readanomal2.png 664w, https:\/\/www.techscore.com\/blog\/wp\/wp-content\/uploads\/2019\/11\/readanomal2-223x300.png 223w\" sizes=\"(max-width: 664px) 100vw, 664px\" \/><\/a><\/p>\n<p>&nbsp;<\/p>\n<p>\u3042\u308c\uff1fserialization order\u3092\u53d6\u3063\u3066\u3044\u3066\u3053\u3093\u306a\u73fe\u8c61\u304c\u767a\u751f\u3059\u308b\u306e\uff1f\u3068\u601d\u308f\u308c\u308b\u304b\u3082\u3057\u308c\u307e\u305b\u3093\u3002\u6559\u79d1\u66f8\u3067\u5b66\u3093\u3060\u3053\u3068\u3092\u30a4\u30e1\u30fc\u30b8\u3059\u308b\u30681\u672c\u306e\u30e9\u30a4\u30f3\u306b\u6574\u5217\u3057\u3066\u308b\u3088\u3046\u306b\u601d\u3048\u308b\u306e\u3067\u3059\u304c\u3001\u5b9f\u969b\u306e\u3068\u3053\u308d\u3001serializable\u3068\u306f\u4ee5\u4e0b\u306e\u3088\u3046\u306b\u52d5\u3044\u3066\u3044\u307e\u3059\u3002<\/p>\n<p>&nbsp;<\/p>\n<p><a href=\"https:\/\/www.techscore.com\/blog\/wp\/wp-content\/uploads\/2019\/11\/silial2.png\" rel=\"facebox\" rel=\"attachment wp-att-24125\"><img loading=\"lazy\" class=\"aligncenter size-full wp-image-24125\" src=\"https:\/\/www.techscore.com\/blog\/wp\/wp-content\/uploads\/2019\/11\/silial2.png\" alt=\"\" width=\"594\" height=\"314\" srcset=\"https:\/\/www.techscore.com\/blog\/wp\/wp-content\/uploads\/2019\/11\/silial2.png 594w, https:\/\/www.techscore.com\/blog\/wp\/wp-content\/uploads\/2019\/11\/silial2-300x159.png 300w\" sizes=\"(max-width: 594px) 100vw, 594px\" \/><\/a><\/p>\n<p>&nbsp;<\/p>\n<h2>\u3010HTAP\u304c\u62b1\u3048\u3066\u3044\u308b\u554f\u984c\u70b9\u3011<\/h2>\n<p>\u5294\u306b\u9650\u3063\u305f\u8a71\u3067\u306f\u306a\u3044\u306e\u3067\u3059\u304c\u3001\u5b9f\u88c5\u3057\u3088\u3046\u3068\u3055\u308c\u3066\u3044\u308bHTAP\u306fsnapshot\u3067Read-replica\u3092\u3068\u308b\u30af\u30e9\u30b9\u30bf\u30fcDB\u306b\u306a\u308b\u3068\u601d\u3044\u307e\u3059\u304c\u3001snapshot\u3067Read-replica\u3092\u3068\u308b\u30af\u30e9\u30b9\u30bf\u30fcDB\u3067\u3001\u30de\u30b9\u30bf\u30fc\uff0f\u30b9\u30ec\u30fc\u30d6\u306b\u5bfe\u3057\u3066CRUD\uff08CREATE(INSERT)\uff0fREAD(SELECT)\uff0fUPDATE\uff0fDELETE\uff09\u51e6\u7406\u3092\u5f79\u5272\u3067\u632f\u308a\u5206\u3051\u308b\u969b\u3001\u4ee5\u4e0b\u306e\u3088\u3046\u306a\u69cb\u6210\u306b\u306a\u308a\u307e\u3059\u3002<\/p>\n<h4>R\uff08\u53c2\u7167\u7cfb\u51e6\u7406\uff09\u306f\u30b9\u30ec\u30fc\u30d6\u3078<br \/>\nCUD\uff08\u66f4\u65b0\u7cfb\u51e6\u7406\uff09\u306f\u30de\u30b9\u30bf\u30fc\u3078<\/h4>\n<p>\u3053\u306e\u69cb\u6210\u306f\u9ad8\u901f\u306a\u306e\u3067\u3059\u304c\u3001\u53c2\u7167\u5074DB\u3067\u5927\u304d\u306a\u554f\u984c\u3092\u62b1\u3048\u3066\u3044\u307e\u3059\u3002\u554f\u984c\u306e\u518d\u73fe\u6027\u306f\u304b\u306a\u308a\u4f4e\u3044\u306e\u3067\u3059\u304c \u30bc\u30ed \u3067\u306f\u3042\u308a\u307e\u305b\u3093\u3002<\/p>\n<p><a href=\"https:\/\/www.techscore.com\/blog\/wp\/wp-content\/uploads\/2019\/12\/bunsan5.png\" rel=\"facebox\" rel=\"attachment wp-att-24185\"><img loading=\"lazy\" class=\"aligncenter wp-image-24185 size-full\" src=\"https:\/\/www.techscore.com\/blog\/wp\/wp-content\/uploads\/2019\/12\/bunsan5-e1575017030373.png\" alt=\"\" width=\"712\" height=\"1004\" srcset=\"https:\/\/www.techscore.com\/blog\/wp\/wp-content\/uploads\/2019\/12\/bunsan5-e1575017030373.png 712w, https:\/\/www.techscore.com\/blog\/wp\/wp-content\/uploads\/2019\/12\/bunsan5-e1575017030373-213x300.png 213w\" sizes=\"(max-width: 712px) 100vw, 712px\" \/><\/a><\/p>\n<h1>\u3061\u3087\u3063\u3068\u8131\u7dda\u3067\u3059\u304c<\/h1>\n<p>\u5206\u6563DB\u306e\u8a71\u304c\u51fa\u3066\u304d\u305f\u3068\u3053\u308d\u3067\u3001\u6700\u8fd1\u6c17\u306b\u306a\u3063\u3066\u3044\u308b\u4ed6\u306eDB\u306e\u8a71\u3092\u3055\u305b\u3066\u304f\u3060\u3055\u3044\u3002<br \/>\n\u4e2d\u56fd\u306b\u30a2\u30ea\u30d0\u30d0\u3068\u3044\u3046\u5de8\u5927EC \u304c\u3042\u3063\u3066\u3001\u300c\u72ec\u8eab\u306e\u65e5(2019\u5e74)\u300d\u3068\u3044\u3046\u30a4\u30d9\u30f3\u30c8\u3067\u58f2\u4e0a\u304c\u904e\u53bb\u6700\u9ad8\u306e4\u51461000\u5104\u5186\u306b\u9054\u6210\u3057\u305f\u3068\u3044\u3046\u30cb\u30e5\u30fc\u30b9\u304c\u6709\u308a\u307e\u3057\u305f\u3002<strong>\u6700\u521d\u306e1\u6642\u9593\u4f59\u308a\u30671000\u5104\u5143\uff08\u7d041\u51465600\u5104\u5186\uff09<\/strong>\u3060\u305d\u3046\u3067\u3059\u3002\u9a5a\u7570\u7684\u306a\u6570\u5b57\u3067\u3059\u306d\u3002<\/p>\n<p>\u4e2d\u56fd\u306e\u3053\u3068\u308f\u3056\u3067\u3001<strong>\u201d\u65e0\u5229\u4e0d\u65e9\u8d77\u201d<\/strong>\u3068\u3044\u3046\u3082\u306e\u304c\u6709\u308a\u307e\u3059\u3002\u610f\u5473\u306f\u300c\u5f97\u3057\u306a\u3044\u3093\u306a\u3089\u65e9\u8d77\u304d\u306a\u3093\u3066\u3057\u306a\u3044\u3088\u300d\u3068\u3044\u3046\u610f\u5473\u3067\u3059\u304c\u3001\u305d\u3093\u306a\u4e2d\u56fd\u4eba\u3092\u65e9\u8d77\u304d\u3069\u3053\u308d\u304b\u6df1\u591c\u306b\u8840\u773c\u3067\u30af\u30ea\u30c3\u30af\u9023\u6253\uff08=\u8840\u773c\u3067\u30c8\u30e9\u30f3\u30b6\u30af\u30b7\u30e7\u30f3\u767a\u751f\uff09\u3055\u305b\u308b\u3068\u306f\u30a2\u30ea\u30d0\u30d0\u306f\u7f6a\u6df1\u3044\u30b5\u30a4\u30c8\u3067\u3059\u3002<\/p>\n<p>\u3053\u306e\u72ec\u8eab\u306e\u65e5\u306f\u304b\u306a\u308a\u306e\u5272\u5f15\u304c\u5165\u308b\u306e\u3067\u3001\u4e2d\u56fd\u306e\u63b2\u793a\u677f\u3092\u898b\u3066\u3044\u308b\u3068\u7d76\u5bfe\u8cb7\u3048\u308b\u653b\u7565\u6cd5\u306a\u3093\u304b\u3082\u98db\u3073\u4ea4\u3063\u3066\u3044\u307e\u3057\u305f\u3002\u653b\u7565\u6cd5\u3068\u8a00\u3063\u3066\u3082\u3001<\/p>\n<blockquote><p>\uff11\uff0911\/11 00:00 \u8fc4\u306b\u6b32\u3057\u3044\u5546\u54c1\u3092\u30a2\u30ea\u30d0\u30d0\u30b5\u30a4\u30c8\u306e\u30ab\u30b4\u306b\u5165\u308c\u3066\u304a\u304f\u3002<br \/>\n\uff12\uff0911\/11 00:00 \u306b\u306a\u3063\u305f\u3089\u3001\u5373\u8cfc\u8cb7\u624b\u7d9a\u304d\u3092\u3059\u308b\u3002<\/p><\/blockquote>\n<p>\u3068\u7c21\u5358\u306a\u306e\u3067\u3059\u304c\u30fb\u30fb\u30fb\u3002<\/p>\n<h2><strong>00:00\u306b\u4e00\u4f53\u3069\u308c\u3060\u3051\u306e\u30c8\u30e9\u30f3\u30b6\u30af\u30b7\u30e7\u30f3\u304c\u98db\u3076\u3093\u3060\u308d\u3046\uff1f<\/strong><\/h2>\n<p>\u6700\u521d\u306e1\u6642\u9593\u4f59\u308a\u30671000\u5104\u5143\uff08\u7d041\u51465600\u5104\u5186\uff09\u3063\u3066\u3053\u3068\u306f1\u65e5\u306e\u30c8\u30e9\u30f3\u30b6\u30af\u30b7\u30e7\u30f3\u306e38\uff05\u304c\u6700\u521d\u306e1\u6642\u9593\uff08\u591a\u5206\u6700\u521d\u306e\u6570\u5206\u304c\u6b86\u3069\u3060\u3068\u601d\u3046\u3051\u3069\uff09\u3067\u5b9f\u884c\u3055\u308c\u305f\u3068\u8a00\u3046\u3053\u3068\u3067\u3059\u3002\u66f4\u306b\u8208\u5473\u6df1\u3044\u306e\u306f\u3001<strong>DDos\u653b\u6483\u306b\u5339\u6575\u3059\u308b\u8cfc\u8cb7\u51e6\u7406(\u66f4\u65b0\u30c8\u30e9\u30f3\u30b6\u30af\u30b7\u30e7\u30f3)<\/strong>\u3092\u634c\u3044\u305fDB\u306fOracle\u3067\u306f\u306a\u304f\u3001MySQL\u3092\u30d9\u30fc\u30b9\u3068\u3057\u305fOceanBase\u3068\u3044\u3046\u30aa\u30ea\u30b8\u30ca\u30ebDB\u3060\u305d\u3046\u3067\u3059\u3002\u66f4\u65b0\u30c8\u30e9\u30f3\u30b6\u30af\u30b7\u30e7\u30f3\u306f\u53c2\u7167\u30c8\u30e9\u30f3\u30b6\u30af\u30b7\u30e7\u30f3\u3068\u9055\u3063\u3066\u30b9\u30c8\u30ec\u30fc\u30b8\u30a2\u30af\u30bb\u30b9\u3092\u5148\u9001\u308a\u3067\u304d\u308b\u7279\u6027\u304c\u6709\u308b\u306e\u3067\u305d\u306e\u5206\u65e9\u3044\u306e\u3067\u3059\u304c\u3001\u305d\u308c\u3067\u3082DB\u304c\u843d\u3061\u306a\u304b\u3063\u305f\u4e8b\u306b\u306f\u9a5a\u304d\u307e\u3057\u305f\u3002OceanBase\u306b\u3064\u3044\u3066\u5c11\u3057\u8abf\u3079\u3066\u307f\u308b\u3068\u3001\u4ecaHOT\u306a Tsurugi(\u5294) \u3068\u540c\u3058\u3088\u3046\u306a\u5206\u6563DB\u3067\u3042\u308b\u3053\u3068\u304c\u89e3\u308a\u307e\u3057\u305f\u3002\u4e2d\u56fd\u8a9e\u306e\u89e3\u308b\u65b9\u306f\u4ee5\u4e0b\u306e\u30ea\u30f3\u30af\u3092\u3061\u3087\u3063\u3068\u8997\u3044\u3066\u307f\u3066\u304f\u3060\u3055\u3044\u3002<\/p>\n<p>OceanBase\u306f\u53c2\u7167\u7cfb\u3068\u66f4\u65b0\u7cfb\u3092\u5206\u3051\u305f\u5206\u6563DB\u306e\u3088\u3046\u3067\u3059\u3002<br \/>\n<a href=\"https:\/\/oceanbase.alipay.com\/docs\/oceanbase\/OceanBase%E6%A6%82%E8%A7%88\/4.%E5%AD%98%E5%82%A8%E5%BC%95%E6%93%8E\/uocyqs\">\u53c2\u7167\uff1aOceanBase\u306e\u5206\u6563\u74b0\u5883\u306b\u3064\u3044\u3066\uff08\u4e2d\u56fd\u8a9e\u306e\u30b5\u30a4\u30c8\u3067\u3059\uff09<\/a><\/p>\n<p>\u3053\u306eOceanBase\u306f\u3001\u30a2\u30fc\u30ad\u30c6\u30af\u30c1\u30e3\u3060\u3051\u3067\u3053\u3053\u307e\u3067\u9ad8\u901f\u5316\u3057\u3066\u3044\u308b\u306e\u3067\u306f\u306a\u304f\u3001\u7d50\u69cb\u304a\u91d1\u306b\u7269\u3092\u8a00\u308f\u305b\u305f\u30d7\u30e9\u30c3\u30c8\u30d5\u30a9\u30fc\u30e0\u3042\u308a\u304d\u3067\u3053\u306e\u30d1\u30d5\u30a9\u30fc\u30de\u30f3\u30b9\u3092\u5b9f\u73fe\u3057\u3066\u3044\u308b\u3088\u3046\u3067\u3059\u3002<br \/>\n<a href=\"https:\/\/oceanbase.alipay.com\/product\/ocp\">\u53c2\u7167\uff1ahttps:\/\/OceanBase\u306e\u30a4\u30f3\u30d5\u30e9\u74b0\u5883\uff08\u4e2d\u56fd\u8a9e\u306e\u30b5\u30a4\u30c8\u3067\u3059<\/a>\uff09<\/p>\n<p>\u300cOracle\u306e\u8a18\u9332\u3092\u629c\u3044\u305f\uff01\u300d\u3068\u904a\u3093\u3060\u308a\u3057\u3066\u3044\u308b\u3088\u3046\u3067\u3059\u304c\u3001\u305d\u306e\u8fba\u306e\u30c4\u30c3\u30b3\u30df\u306f\u3057\u306a\u3044\u306b\u3057\u3066\u3082\u3001\u72ec\u8eab\u306e\u65e5\u306e\u30c8\u30e9\u30f3\u30b6\u30af\u30b7\u30e7\u30f3\u3092\u634c\u3044\u305f\u5b9f\u7e3e\u306f\u76ee\u3092\u898b\u5f35\u308b\u3082\u306e\u304c\u3042\u308a\u307e\u3059\u3002<br \/>\n<a href=\"https:\/\/itnews.org\/news_resources\/86378\">\u53c2\u7167\uff1aOceanBase\u304cTPC-C\u30c7\u30fc\u30bf\u30d9\u30fc\u30b9\u57fa\u6e96\u6027\u80fd\u30c6\u30b9\u30c8\u306e\u4e16\u754c\u8a18\u9332\u3092\u6253\u3061\u7834\u3063\u305f\u3068\u3044\u3046\u30cb\u30e5\u30fc\u30b9<\/a><\/p>\n<p>\u4e0a\u8a18\u30cb\u30e5\u30fc\u30b9\u306f\u6e29\u304b\u3044\u76ee\u3067\u898b\u3066\u3042\u3052\u3066\u304f\u3060\u3055\u3044\u3002<\/p>\n<p><strong>\u8a71\u306fTsurugi(\u5294) \u306b\u623b\u308a\u307e\u3059\u304c\u3001Tsurugi(\u5294) \u304c\u5b9f\u73fe\u3057\u3088\u3046\u3068\u3057\u3066\u3044\u308b\u5206\u6563\u74b0\u5883\u306f\u3001\u3042\u304f\u307e\u3067\u30a2\u30fc\u30ad\u30c6\u30af\u30c1\u30e3\u3067\u30d1\u30d5\u30a9\u30fc\u30de\u30f3\u30b9\u3092\u51fa\u3059<\/strong>\u3068\u8a00\u3046\u4e8b\u306a\u306e\u3067\u3001\u500b\u4eba\u7684\u306b\u306f\u304b\u306a\u308a\u671f\u5f85\u3057\u3066\u3044\u307e\u3059\u3002<\/p>\n<p>&nbsp;<\/p>\n<h2>PostgreSQL12\u306b\u3064\u3044\u3066<\/h2>\n<p>\u30bf\u30a4\u30c8\u30eb\u306b\u3057\u3066\u3044\u308b\u306e\u306b\u6700\u65b0\u7248PostgreSQL\u306e\u60c5\u5831\u304c\u66f8\u3044\u3066\u306a\u304b\u3063\u305f\u306e\u3067\u3001\u6700\u5f8c\u306b\u5c11\u3057\u3060\u3051\u3002<\/p>\n<p>\u9769\u65b0\u7684\u306a\u6a5f\u80fd\u8ffd\u52a0\u3084\u5909\u66f4\u306f\u7121\u304f\u3001<strong>\u65e2\u5b58\u6a5f\u80fd\u306e\u6027\u80fdUP\u304c\u4e2d\u5fc3<\/strong>\u3068\u306a\u3063\u3066\u3044\u307e\u3057\u305f\u3002\u671f\u5f85\u3055\u308c\u3066\u3044\u305fzheap\u306e\u5b9f\u88c5\u306b\u3064\u3044\u3066\u3082Version12\u3067\u306f\u898b\u9001\u308a\u3068\u8a00\u3046\u4e8b\u3067\u3059\u3002<\/p>\n<p>zheap\u3068\u306f\u3001PostgreSQL\u3067UNDO\u30ed\u30b0\u3092\u5229\u7528\u3057\u305f\u30b9\u30c8\u30ec\u30fc\u30b8\u30d5\u30a9\u30fc\u30de\u30c3\u30c8\u3092\u5b9f\u73fe\u3059\u308b\u3082\u306e\u3067\u3001\u9818\u57df\u306e\u5373\u6642\u518d\u5229\u7528\u3067\u304d\u308b\u3088\u3046\u306b\u3059\u308b\u3053\u3068\u3067VACUUM\u51e6\u7406\u304c\u4e0d\u8981\u306b\u306a\u308b\u3068\u3044\u3046\u3082\u306e\u3067\u3059\u304c\u3001Oracle\u306eHigh-WaterMark\u306e\u3088\u3046\u306a\u4ed5\u7d44\u307f\u3082\u540c\u6642\u306b\u5165\u308c\u306a\u3044\u3068\u30d5\u30a1\u30a4\u30eb\u5185\u304c\u65ad\u7247\u5316\u3057\u307e\u304f\u308b\u3068\u601d\u3063\u3066\u3044\u308b\u306e\u3067\u3001\u305d\u306e\u8fba\u3092\u3069\u306e\u3088\u3046\u306b\u4ed5\u8fbc\u3093\u3067\u304f\u308b\u306e\u304b\u3053\u3061\u3089\u3082\u671f\u5f85\u3057\u3066\u3044\u307e\u3059\u3002<\/p>\n<p>\u4eca\u307e\u3067Oracle\u3084Microsoft\u3070\u304b\u308a\u89e6\u3063\u3066\u304d\u305f\u306e\u3067OSS\u306e\u9b45\u529b\u306b\u6c17\u4ed8\u304b\u306a\u304b\u3063\u305f\u306e\u3067\u3059\u304c\u3001OS\u3082\u30df\u30c9\u30eb\u3082OSS\u306f\u9055\u3046\u4e00\u9762\u304c\u6709\u3063\u3066\u51c4\u304f\u9b45\u529b\u7684\u306b\u611f\u3058\u307e\u3057\u305f\u3002\u6765\u5e74\u3082PostgreSQL Conference Japan\u306b\u53c2\u52a0\u3057\u305f\u3044\u3068\u601d\u3044\u307e\u3059\u3002\u6765\u5e74\u306fTsurugi(\u5294) \u30ea\u30ea\u30fc\u30b9\u306e\u30cb\u30e5\u30fc\u30b9\u304c\u805e\u3051\u308b\u3068\u3044\u3044\u306a\u3002<\/p>\n<h2><\/h2>\n<p><strong>\u203b\u88dc\u8db3\u203b<\/strong><\/p>\n<p><strong>\u6587\u4e2d\u306b\u300c\u4e26\u3073\u5909\u3048\u308b\u300d\u3068\u3044\u3046\u8868\u73fe\u3092\u7528\u3044\u3066\u3044\u307e\u3059\u304c\u3001\u8aac\u660e\u3092\u89e3\u308a\u6613\u304f\u3057\u3088\u3046\u3068\u3057\u305f\u4fbf\u5b9c\u7684\u306a\u3082\u306e\u3067\u3059\u3002\u5b9f\u884c\u3057\u305f\u30c8\u30e9\u30f3\u30b6\u30af\u30b7\u30e7\u30f3\u304c\u5b9f\u969b\u306b\u79fb\u52d5\u3057\u3066Select\u7d50\u679c\u304c\u5909\u308f\u308b\u3068\u8a00\u3046\u610f\u5473\u3067\u306f\u3042\u308a\u307e\u305b\u3093\u3002<\/strong><\/p>\n<h2><\/h2>\n<p>&nbsp;<\/p>\n","protected":false},"excerpt":{"rendered":"<p>\u3053\u308c\u306f \ud83d\ude3aTECHSCORE Advent Calendar 2019\ud83d\ude3a\u306e3\u65e5\u76ee\u306e\u8a18\u4e8b\u3067\u3059\u3002<\/p>\n<p>\u6a2a\u7530\u3067\u3059\u30022019\/11\/15\u306b\u958b\u50ac\u3055\u308c\u305f\u65e5\u672cPostgreSQL\u30e6\u30fc\u30b6\u4f1a\u304c\u4e3b\u50ac\u3059\u308bPostgreSQL Conference Japan 2019 \u306b\u53c2\u52a0\u3057\u307e\u3057\u305f\u3002<br \/><a href=\"https:\/\/www.techscore.com\/blog\/2019\/12\/03\/postgresql-conference-japan-2019\/\">\u7d9a\u304d\u3092\u8aad\u3080...<\/a><\/p>\n","protected":false},"author":92,"featured_media":0,"comment_status":"closed","ping_status":"open","sticky":false,"template":"","format":"standard","meta":[],"categories":[332,62,258,254,18],"tags":[141,206],"_links":{"self":[{"href":"https:\/\/www.techscore.com\/blog\/wp-json\/wp\/v2\/posts\/23927"}],"collection":[{"href":"https:\/\/www.techscore.com\/blog\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/www.techscore.com\/blog\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/www.techscore.com\/blog\/wp-json\/wp\/v2\/users\/92"}],"replies":[{"embeddable":true,"href":"https:\/\/www.techscore.com\/blog\/wp-json\/wp\/v2\/comments?post=23927"}],"version-history":[{"count":41,"href":"https:\/\/www.techscore.com\/blog\/wp-json\/wp\/v2\/posts\/23927\/revisions"}],"predecessor-version":[{"id":24023,"href":"https:\/\/www.techscore.com\/blog\/wp-json\/wp\/v2\/posts\/23927\/revisions\/24023"}],"wp:attachment":[{"href":"https:\/\/www.techscore.com\/blog\/wp-json\/wp\/v2\/media?parent=23927"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/www.techscore.com\/blog\/wp-json\/wp\/v2\/categories?post=23927"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/www.techscore.com\/blog\/wp-json\/wp\/v2\/tags?post=23927"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}