{"id":6001,"date":"2025-06-10T11:04:12","date_gmt":"2025-06-10T02:04:12","guid":{"rendered":"https:\/\/edbjapan.com\/manual\/?p=6001"},"modified":"2025-06-10T11:04:12","modified_gmt":"2025-06-10T02:04:12","slug":"pgd-5-8-0","status":"publish","type":"post","link":"https:\/\/edbjapan.com\/manual\/pgd-5-8-0\/","title":{"rendered":"EDB Postgres Distributed\uff08PGD\uff095.8.0"},"content":{"rendered":"<p><strong>1. PGD\u3068\u306f\u4f55\u304b\uff1f<\/strong><br \/>\nEDB Postgres Distributed (PGD) \u306f\u3001PostgreSQL\u3092\u30d9\u30fc\u30b9\u306b\u69cb\u7bc9\u3055\u308c\u305f\u5206\u6563\u30c7\u30fc\u30bf\u30d9\u30fc\u30b9\u30bd\u30ea\u30e5\u30fc\u30b7\u30e7\u30f3\u3067\u3059\u3002PGD\u306f\u3001\u30de\u30eb\u30c1\u30de\u30b9\u30bf\u30fc\u30ec\u30d7\u30ea\u30b1\u30fc\u30b7\u30e7\u30f3\u3068\u30c7\u30fc\u30bf\u5206\u6563\u6a5f\u80fd\u3092\u63d0\u4f9b\u3057\u3001\u6700\u5927\u30d5\u30a1\u30a4\u30d6\u30ca\u30a4\u30f3\uff0899.999%\uff09\u306e\u9ad8\u53ef\u7528\u6027\u3068\u8010\u969c\u5bb3\u6027\u3092\u5099\u3048\u305fPostgreSQL\u30af\u30e9\u30b9\u30bf\u30fc\u3092\u5b9f\u73fe\u3057\u307e\u3059\u3002\u4e3b\u306a\u7279\u5fb4\u3068\u3057\u3066\u3001\u9ad8\u5ea6\u306a\u7af6\u5408\u7ba1\u7406\u3001\u30c7\u30fc\u30bf\u640d\u5931\u4fdd\u8b77\u3001\u305d\u3057\u3066\u30cd\u30a4\u30c6\u30a3\u30d6\u8ad6\u7406\u30ec\u30d7\u30ea\u30b1\u30fc\u30b7\u30e7\u30f3\u3068\u6bd4\u8f03\u3057\u3066\u6700\u59275\u500d\u9ad8\u901f\u306a\u5927\u5e45\u306b\u5f37\u5316\u3055\u308c\u305f\u30b9\u30eb\u30fc\u30d7\u30c3\u30c8\u304c\u6319\u3052\u3089\u308c\u307e\u3059\u3002\u7d99\u7d9a\u7684\u306a\u30a2\u30c3\u30d7\u30bf\u30a4\u30e0\u3068\u3001\u5730\u7406\u7684\u306b\u7570\u306a\u308b\u53ef\u80fd\u6027\u306e\u3042\u308b\u8907\u6570\u30ce\u30fc\u30c9\u9593\u3067\u306e\u30c7\u30fc\u30bf\u4e00\u8cab\u6027\u304c\u6c42\u3081\u3089\u308c\u308b\u30df\u30c3\u30b7\u30e7\u30f3\u30af\u30ea\u30c6\u30a3\u30ab\u30eb\u306a\u30a2\u30d7\u30ea\u30b1\u30fc\u30b7\u30e7\u30f3\u5411\u3051\u306b\u8a2d\u8a08\u3055\u308c\u3066\u3044\u307e\u3059\u3002<\/p>\n<p><strong>2. \u4ed5\u7d44\u307f\u306f\uff1f<\/strong><br \/>\nPGD\u306e\u30a2\u30fc\u30ad\u30c6\u30af\u30c1\u30e3\u306f\u3001\u3044\u304f\u3064\u304b\u306e\u30b3\u30a2\u30b3\u30f3\u30dd\u30fc\u30cd\u30f3\u30c8\u3068\u6982\u5ff5\u3092\u4e2d\u5fc3\u306b\u69cb\u6210\u3055\u308c\u3066\u3044\u307e\u3059\u3002<\/p>\n<ul>\n<li>\u53cc\u65b9\u5411\u30ec\u30d7\u30ea\u30b1\u30fc\u30b7\u30e7\u30f3\uff08BDR\uff09\uff1a PGD\u306e\u4e2d\u6838\u6280\u8853\u3067\u3042\u308a\u3001PostgreSQL\u30a4\u30f3\u30b9\u30bf\u30f3\u30b9\uff08PGD\u30ce\u30fc\u30c9\uff09\u9593\u3067\u30de\u30eb\u30c1\u30de\u30b9\u30bf\u30fc\u30ec\u30d7\u30ea\u30b1\u30fc\u30b7\u30e7\u30f3\u30e1\u30c3\u30b7\u30e5\u3092\u69cb\u7bc9\u3057\u307e\u3059\u3002\u3053\u308c\u306b\u3088\u308a\u3001\u3069\u306e\u30ce\u30fc\u30c9\u3082\u66f8\u304d\u8fbc\u307f\u3092\u53d7\u3051\u4ed8\u3051\u3001\u305d\u306e\u5909\u66f4\u304c\u4ed6\u306e\u30ce\u30fc\u30c9\u306b\u8907\u88fd\u3055\u308c\u307e\u3059\u3002<\/li>\n<li>PGD\u30d7\u30ed\u30ad\u30b7\uff1a \u901a\u5e38\u3001PGD\u30b0\u30eb\u30fc\u30d7\u5185\u306e\u6307\u5b9a\u3055\u308c\u305f\u300c\u30e9\u30a4\u30c8\u30ea\u30fc\u30c0\u30fc\u300d\u30ce\u30fc\u30c9\u306b\u30a2\u30d7\u30ea\u30b1\u30fc\u30b7\u30e7\u30f3\u30c8\u30e9\u30d5\u30a3\u30c3\u30af\u3092\u30eb\u30fc\u30c6\u30a3\u30f3\u30b0\u3057\u307e\u3059\u3002\u3053\u308c\u306b\u3088\u308a\u3001\u66f8\u304d\u8fbc\u307f\u7af6\u5408\u3092\u6700\u5c0f\u9650\u306b\u6291\u3048\u3001\u3088\u308a\u5f37\u529b\u306a\u4e00\u8cab\u6027\u3092\u78ba\u4fdd\u3057\u307e\u3059\u3002\u307e\u305f\u3001\u30e9\u30a4\u30c8\u30ea\u30fc\u30c0\u30fc\u304c\u5229\u7528\u4e0d\u53ef\u306b\u306a\u3063\u305f\u5834\u5408\u306e\u30d5\u30a7\u30a4\u30eb\u30aa\u30fc\u30d0\u30fc\u3082\u51e6\u7406\u3057\u307e\u3059\u3002<\/li>\n<li>Raft\u30b3\u30f3\u30bb\u30f3\u30b5\u30b9\uff1a PGD\u306fRaft\u30b3\u30f3\u30bb\u30f3\u30b5\u30b9\u30a2\u30eb\u30b4\u30ea\u30ba\u30e0\u3092\u4f7f\u7528\u3057\u3066\u3001\u30e9\u30a4\u30c8\u30ea\u30fc\u30c0\u30fc\u306e\u9078\u51fa\u3001DDL\uff08\u30c7\u30fc\u30bf\u5b9a\u7fa9\u8a00\u8a9e\uff09\u30ec\u30d7\u30ea\u30b1\u30fc\u30b7\u30e7\u30f3\u306e\u7ba1\u7406\u3001\u30b0\u30ed\u30fc\u30d0\u30eb\u30b7\u30fc\u30b1\u30f3\u30b9\u306e\u8abf\u6574\u306a\u3069\u3001\u30b0\u30eb\u30fc\u30d7\u5168\u4f53\u306e\u6c7a\u5b9a\u3092\u884c\u3044\u307e\u3059\u3002<\/li>\n<li>\u30ec\u30d7\u30ea\u30b1\u30fc\u30b7\u30e7\u30f3\u3068\u30b3\u30df\u30c3\u30c8\u30b9\u30b3\u30fc\u30d7\uff1a<br \/>\n\u30c7\u30d5\u30a9\u30eb\u30c8\u3067\u306f\u3001\u30ec\u30d7\u30ea\u30b1\u30fc\u30b7\u30e7\u30f3\u306f\u975e\u540c\u671f\u3067\u884c\u308f\u308c\u3001\u30ed\u30fc\u30ab\u30eb\u30b3\u30df\u30c3\u30c8\u5f8c\u306b\u30d4\u30a2\u30ce\u30fc\u30c9\u306b\u5909\u66f4\u304c\u9069\u7528\u3055\u308c\u307e\u3059\u3002PGD\u306f\u3001\u7570\u306a\u308b\u30ec\u30d9\u30eb\u306e\u540c\u671f\u6027\u3068\u8010\u4e45\u6027\u3092\u5b9f\u73fe\u3059\u308b\u305f\u3081\u306b\u8a2d\u5b9a\u53ef\u80fd\u306a\u30b3\u30df\u30c3\u30c8\u30b9\u30b3\u30fc\u30d7\u3092\u63d0\u4f9b\u3057\u307e\u3059\u3002<\/p>\n<ul>\n<li>\u540c\u671f\u30b3\u30df\u30c3\u30c8 (Synchronous Commit)\uff1a \u30cd\u30a4\u30c6\u30a3\u30d6PostgreSQL\u306e\u540c\u671f\u30ec\u30d7\u30ea\u30b1\u30fc\u30b7\u30e7\u30f3\u3068\u540c\u69d8\u306e\u52d5\u4f5c\u3092\u3057\u307e\u3059\u3002<\/li>\n<li>\u30b0\u30eb\u30fc\u30d7\u30b3\u30df\u30c3\u30c8 (Group Commit)\uff1a \u6307\u5b9a\u3055\u308c\u305f\u30ce\u30fc\u30c9\u30b0\u30eb\u30fc\u30d7\uff08\u4f8b\uff1a\u591a\u6570\u6d3e\uff09\u304c\u5909\u66f4\u3092\u78ba\u8a8d\u3057\u305f\u6642\u70b9\u3067\u30c8\u30e9\u30f3\u30b6\u30af\u30b7\u30e7\u30f3\u304c\u30b3\u30df\u30c3\u30c8\u3055\u308c\u305f\u3068\u5b9a\u7fa9\u3057\u307e\u3059\u3002<\/li>\n<li>\u6700\u59271\u56de\u30b3\u30df\u30c3\u30c8\uff08CAMO &#8211; Commit At Most Once\uff09\uff1a \u30a2\u30d7\u30ea\u30b1\u30fc\u30b7\u30e7\u30f3\u304c\u30b3\u30df\u30c3\u30c8\u30d7\u30ed\u30bb\u30b9\u306b\u95a2\u4e0e\u3059\u308b\u3053\u3068\u3067\u3001\u30d5\u30a7\u30a4\u30eb\u30aa\u30fc\u30d0\u30fc\u6642\u3067\u3082\u91cd\u8981\u306a\u30c8\u30e9\u30f3\u30b6\u30af\u30b7\u30e7\u30f3\u304c\u6b63\u78ba\u306b1\u56de\u3060\u3051\u30b3\u30df\u30c3\u30c8\u3055\u308c\u308b\u3053\u3068\u3092\u4fdd\u8a3c\u3057\u307e\u3059\u3002<\/li>\n<li>\u30e9\u30b0\u30b3\u30f3\u30c8\u30ed\u30fc\u30eb (Lag Control)\uff1a \u30d4\u30a2\u3078\u306e\u30ec\u30d7\u30ea\u30b1\u30fc\u30b7\u30e7\u30f3\u9045\u5ef6\u304c\u5b9a\u7fa9\u3055\u308c\u305f\u5236\u9650\u3092\u8d85\u3048\u305f\u5834\u5408\u3001\u30aa\u30ea\u30b8\u30f3\u30ce\u30fc\u30c9\u3067\u306e\u30b3\u30df\u30c3\u30c8\u3092\u52d5\u7684\u306b\u6291\u5236\u3057\u307e\u3059\u3002<\/li>\n<\/ul>\n<\/li>\n<li>\u30ce\u30fc\u30c9\u30bf\u30a4\u30d7\u3068\u30b0\u30eb\u30fc\u30d7\uff1a<br \/>\n\u30ce\u30fc\u30c9\u306f\u30b0\u30eb\u30fc\u30d7\u3068\u30b5\u30d6\u30b0\u30eb\u30fc\u30d7\u306b\u7de8\u6210\u3055\u308c\u3001\u591a\u304f\u306e\u5834\u5408\u3001\u5730\u7406\u7684\u306a\u5834\u6240\u3084\u30c7\u30fc\u30bf\u30bb\u30f3\u30bf\u30fc\u3092\u53cd\u6620\u3057\u307e\u3059\u3002\u5404\u30b0\u30eb\u30fc\u30d7\u306f\u72ec\u81ea\u306e\u30e9\u30a4\u30c8\u30ea\u30fc\u30c0\u30fc\u3068Raft\u30b3\u30f3\u30bb\u30f3\u30b5\u30b9\u3092\u6301\u3064\u3053\u3068\u304c\u3067\u304d\u307e\u3059\u3002<\/p>\n<ul>\n<li>\u30c7\u30fc\u30bf\u30ce\u30fc\u30c9\uff1a \u30c7\u30fc\u30bf\u3092\u4fdd\u5b58\u30fb\u8907\u88fd\u3059\u308b\u6a19\u6e96\u7684\u306aPGD\u30ce\u30fc\u30c9\u3002<\/li>\n<li>\u30a6\u30a3\u30c3\u30c8\u30cd\u30b9\u30ce\u30fc\u30c9\uff1a Raft\u30b3\u30f3\u30bb\u30f3\u30b5\u30b9\u306b\u53c2\u52a0\u3057\u3066\u591a\u6570\u6d3e\u306e\u5f62\u6210\u3092\u52a9\u3051\u307e\u3059\u304c\u3001\u30c7\u30fc\u30bf\u306f\u4fdd\u5b58\u30fb\u8907\u88fd\u3057\u307e\u305b\u3093\u3002\u5c0f\u898f\u6a21\u69cb\u6210\u3067\u30b3\u30b9\u30c8\u52b9\u7387\u3088\u304f\u30af\u30a9\u30fc\u30e9\u30e0\u3092\u78ba\u4fdd\u3059\u308b\u306e\u306b\u5f79\u7acb\u3061\u307e\u3059\u3002<\/li>\n<li>\u30b5\u30d6\u30b9\u30af\u30e9\u30a4\u30d0\u30fc\u5c02\u7528\u30ce\u30fc\u30c9\uff1a \u8aad\u307f\u53d6\u308a\u5c02\u7528\u76ee\u7684\uff08\u30ec\u30dd\u30fc\u30c8\u4f5c\u6210\u3001\u5206\u6790\u306a\u3069\uff09\u3067\u8907\u88fd\u30c7\u30fc\u30bf\u3092\u53d7\u4fe1\u3057\u3001\u30d5\u30eb\u30e1\u30c3\u30b7\u30e5\u30ec\u30d7\u30ea\u30b1\u30fc\u30b7\u30e7\u30f3\u306b\u53c2\u52a0\u305b\u305a\u306b\u8aad\u307f\u53d6\u308a\u30b9\u30b1\u30fc\u30e9\u30d3\u30ea\u30c6\u30a3\u3092\u5411\u4e0a\u3055\u305b\u307e\u3059\u3002<\/li>\n<li>\u8ad6\u7406\u30b9\u30bf\u30f3\u30d0\u30a4\u30ce\u30fc\u30c9\uff1a \u30bd\u30fc\u30b9\u30ce\u30fc\u30c9\u304b\u3089\u30c7\u30fc\u30bf\u3092\u53d7\u4fe1\u3057\u3001\u30bd\u30fc\u30b9\u969c\u5bb3\u6642\u306b\u6607\u683c\u3067\u304d\u307e\u3059\u3002<\/li>\n<\/ul>\n<\/li>\n<li>\u7af6\u5408\u7ba1\u7406\uff1a PGD\u306f\u3001\u30de\u30eb\u30c1\u30de\u30b9\u30bf\u30fc\u69cb\u6210\u3067\u767a\u751f\u3057\u3046\u308b\u7af6\u5408\uff08\u4f8b\uff1aupdate_if_newer\u3001\u5217\u30ec\u30d9\u30eb\u306e\u7af6\u5408\u89e3\u6c7a\u3001CRDT\uff09\u3092\u691c\u51fa\u30fb\u89e3\u6c7a\u3059\u308b\u305f\u3081\u306e\u30e1\u30ab\u30cb\u30ba\u30e0\u3092\u63d0\u4f9b\u3057\u307e\u3059\u3002<\/li>\n<li>DDL\u30ec\u30d7\u30ea\u30b1\u30fc\u30b7\u30e7\u30f3\uff1a PGD\u306fDDL\u30b9\u30c6\u30fc\u30c8\u30e1\u30f3\u30c8\uff08CREATE TABLE\u306a\u3069\uff09\u3092\u30af\u30e9\u30b9\u30bf\u30fc\u5168\u4f53\u306b\u8907\u88fd\u3057\u3001\u901a\u5e38\u306f\u30b0\u30ed\u30fc\u30d0\u30eb\u30ed\u30c3\u30af\u3092\u4ecb\u3057\u3066\u7ba1\u7406\u3055\u308c\u307e\u3059\u3002<\/li>\n<\/ul>\n<p><strong>3. PGD\u306e\u30e6\u30fc\u30b9\u30b1\u30fc\u30b9<\/strong><br \/>\nPGD\u306f\u3001\u305d\u306e\u6a5f\u80fd\u306b\u57fa\u3065\u304d\u3001\u4ee5\u4e0b\u306e\u3088\u3046\u306a\u5834\u5408\u306b\u9069\u3057\u3066\u3044\u307e\u3059\u3002<\/p>\n<ul>\n<li>\u9ad8\u53ef\u7528\u6027\u3068\u707d\u5bb3\u5fa9\u65e7\uff1a \u30df\u30c3\u30b7\u30e7\u30f3\u30af\u30ea\u30c6\u30a3\u30ab\u30eb\u306a\u30a2\u30d7\u30ea\u30b1\u30fc\u30b7\u30e7\u30f3\u306e\u7d99\u7d9a\u7684\u306a\u30c7\u30fc\u30bf\u30d9\u30fc\u30b9\u904b\u7528\u3092\u4fdd\u8a3c\u3057\u3001\u30ce\u30fc\u30c9\u9593\u304a\u3088\u3073\u5730\u7406\u7684\u30ea\u30fc\u30b8\u30e7\u30f3\u9593\u3067\u306e\u30d5\u30a7\u30a4\u30eb\u30aa\u30fc\u30d0\u30fc\u3092\u5b9f\u73fe\u3057\u307e\u3059\u3002<\/li>\n<li>\u5730\u7406\u7684\u306b\u5206\u6563\u3057\u305f\u30a2\u30d7\u30ea\u30b1\u30fc\u30b7\u30e7\u30f3\uff1a \u30e6\u30fc\u30b6\u30fc\u306b\u8fd1\u3044\u5834\u6240\u306b\u30c7\u30fc\u30bf\u3092\u5206\u6563\u3057\u3001\u9045\u5ef6\u3092\u524a\u6e1b\u3057\u3001\u30c7\u30fc\u30bf\u30ec\u30b8\u30c7\u30f3\u30b7\u30fc\u8981\u4ef6\u306b\u6e96\u62e0\u3057\u307e\u3059\u3002<\/li>\n<li>\u30a2\u30af\u30c6\u30a3\u30d6\/\u30a2\u30af\u30c6\u30a3\u30d6 \u30de\u30eb\u30c1\u30de\u30b9\u30bf\u30fc\u69cb\u6210\uff1a \u8907\u6570\u306e\u30ce\u30fc\u30c9\u3078\u306e\u540c\u6642\u66f8\u304d\u8fbc\u307f\u3092\u8a31\u53ef\u3057\u307e\u3059\u304c\u3001\u7af6\u5408\u3092\u7c21\u7d20\u5316\u30fb\u7ba1\u7406\u3059\u308b\u305f\u3081\u306bPGD\u30d7\u30ed\u30ad\u30b7\u3068\u5171\u306b\u30e9\u30a4\u30c8\u30ea\u30fc\u30c0\u30fc\u30d1\u30bf\u30fc\u30f3\u304c\u3088\u304f\u4f7f\u7528\u3055\u308c\u307e\u3059\u3002<\/li>\n<li>\u8aad\u307f\u53d6\u308a\u30b9\u30b1\u30fc\u30e9\u30d3\u30ea\u30c6\u30a3\uff1a \u66f8\u304d\u8fbc\u307f\u8ca0\u8377\u306e\u9ad8\u3044\u30d7\u30e9\u30a4\u30de\u30ea\u30ce\u30fc\u30c9\u306e\u30d1\u30d5\u30a9\u30fc\u30de\u30f3\u30b9\u306b\u5f71\u97ff\u3092\u4e0e\u3048\u308b\u3053\u3068\u306a\u304f\u3001\u8aad\u307f\u53d6\u308a\u8ca0\u8377\u306e\u9ad8\u3044\u30ef\u30fc\u30af\u30ed\u30fc\u30c9\u3092\u30b5\u30d6\u30b9\u30af\u30e9\u30a4\u30d0\u30fc\u5c02\u7528\u30ce\u30fc\u30c9\u3084\u30ec\u30d7\u30ea\u30ab\u306b\u30aa\u30d5\u30ed\u30fc\u30c9\u3057\u307e\u3059\u3002<\/li>\n<li>\u7121\u505c\u6b62\u30e1\u30f3\u30c6\u30ca\u30f3\u30b9\u3068\u30a2\u30c3\u30d7\u30b0\u30ec\u30fc\u30c9\uff1a \u30b5\u30fc\u30d3\u30b9\u3092\u4e2d\u65ad\u3059\u308b\u3053\u3068\u306a\u304f\u3001\u30ed\u30fc\u30ea\u30f3\u30b0\u30a2\u30c3\u30d7\u30b0\u30ec\u30fc\u30c9\u3084\u30e1\u30f3\u30c6\u30ca\u30f3\u30b9\u64cd\u4f5c\u3092\u5bb9\u6613\u306b\u3057\u307e\u3059\u3002<\/li>\n<\/ul>\n<p><strong>4. PGD\u306e\u5229\u70b9<\/strong><\/p>\n<ul>\n<li>\u6975\u3081\u3066\u9ad8\u3044\u53ef\u7528\u6027\uff1a \u6700\u5927\u300c\u30d5\u30a1\u30a4\u30d6\u30ca\u30a4\u30f3\u300d\uff0899.999%\uff09\u306e\u30a2\u30c3\u30d7\u30bf\u30a4\u30e0\u3092\u9054\u6210\u3057\u307e\u3059\u3002<\/li>\n<li>\u30d1\u30d5\u30a9\u30fc\u30de\u30f3\u30b9\u5411\u4e0a\uff1a \u30cd\u30a4\u30c6\u30a3\u30d6PostgreSQL\u8ad6\u7406\u30ec\u30d7\u30ea\u30b1\u30fc\u30b7\u30e7\u30f3\u3068\u6bd4\u8f03\u3057\u3066\u6700\u59275\u500d\u306e\u30b9\u30eb\u30fc\u30d7\u30c3\u30c8\u3092\u63d0\u4f9b\u3057\u307e\u3059\u3002<\/li>\n<li>\u9ad8\u5ea6\u306a\u7af6\u5408\u7ba1\u7406\uff1a CAMO\u3084CRDT\u306a\u3069\u306e\u6a5f\u80fd\u3092\u4f7f\u7528\u3057\u3066\u3001\u30c7\u30fc\u30bf\u7af6\u5408\u3092\u81ea\u52d5\u7684\u306b\u691c\u51fa\u30fb\u89e3\u6c7a\u3001\u307e\u305f\u306f\u56de\u907f\u3059\u308b\u9ad8\u5ea6\u306a\u30e1\u30ab\u30cb\u30ba\u30e0\u3092\u5099\u3048\u3066\u3044\u307e\u3059\u3002<\/li>\n<li>\u30c7\u30fc\u30bf\u640d\u5931\u4fdd\u8b77\uff1a \u8a2d\u5b9a\u53ef\u80fd\u306a\u8010\u4e45\u6027\u30aa\u30d7\u30b7\u30e7\u30f3\u306b\u3088\u308a\u3001\u30ce\u30fc\u30c9\u307e\u305f\u306f\u30b5\u30a4\u30c8\u969c\u5bb3\u6642\u306e\u30c7\u30fc\u30bf\u640d\u5931\u3092\u9632\u304e\u307e\u3059\u3002<\/li>\n<li>\u5730\u7406\u7684\u5206\u6563\uff1a \u8907\u6570\u306e\u30c7\u30fc\u30bf\u30bb\u30f3\u30bf\u30fc\u307e\u305f\u306f\u30af\u30e9\u30a6\u30c9\u30ea\u30fc\u30b8\u30e7\u30f3\u9593\u3067\u5805\u7262\u304b\u3064\u4e00\u8cab\u6027\u306e\u3042\u308b\u30c7\u30fc\u30bf\u30ec\u30d7\u30ea\u30b1\u30fc\u30b7\u30e7\u30f3\u3092\u53ef\u80fd\u306b\u3057\u307e\u3059\u3002<\/li>\n<li>\u8aad\u307f\u53d6\u308a\u30b9\u30b1\u30fc\u30e9\u30d3\u30ea\u30c6\u30a3\uff1a \u8aad\u307f\u53d6\u308a\u8ca0\u8377\u306e\u9ad8\u3044\u30a2\u30d7\u30ea\u30b1\u30fc\u30b7\u30e7\u30f3\u306e\u30d1\u30d5\u30a9\u30fc\u30de\u30f3\u30b9\u3092\u5411\u4e0a\u3055\u305b\u307e\u3059\u3002<\/li>\n<li>\u904b\u7528\u4e0a\u306e\u67d4\u8edf\u6027\uff1a \u7121\u505c\u6b62\u30e1\u30f3\u30c6\u30ca\u30f3\u30b9\u3001\u30ed\u30fc\u30ea\u30f3\u30b0\u30a2\u30c3\u30d7\u30b0\u30ec\u30fc\u30c9\u3001\u67d4\u8edf\u306a\u30a2\u30fc\u30ad\u30c6\u30af\u30c1\u30e3\u30d1\u30bf\u30fc\u30f3\u3092\u30b5\u30dd\u30fc\u30c8\u3057\u307e\u3059\u3002<\/li>\n<li>PostgreSQL\u3068\u306e\u4e92\u63db\u6027\uff1a \u65e2\u5b58\u306ePostgreSQL\u6a5f\u80fd\u3092\u62e1\u5f35\u3059\u308b\u305f\u3081\u3001\u65e2\u5b58\u306ePostgreSQL\u30e6\u30fc\u30b6\u30fc\u304c\u63a1\u7528\u3057\u3084\u3059\u3044\u3067\u3059\u3002<\/li>\n<\/ul>\n<p><strong>5. \u30d0\u30fc\u30b8\u30e7\u30f3 5.8.0\u3067\u306e\u65b0\u6a5f\u80fd\u30cf\u30a4\u30e9\u30a4\u30c8<\/strong><\/p>\n<ul>\n<li>\u30bb\u30ad\u30e5\u30ea\u30c6\u30a3\u4fee\u6b63\uff1a CVE-2025-2506\u306b\u5bfe\u51e6\u3057\u307e\u3057\u305f\u3002\u3053\u308c\u306f\u3001CONNECT\u30a2\u30af\u30bb\u30b9\u6a29\u3092\u6301\u3064\u30e6\u30fc\u30b6\u30fc\u304c\u8907\u88fd\u30c6\u30fc\u30d6\u30eb\u3078\u306e\u8aad\u307f\u53d6\u308a\u30a2\u30af\u30bb\u30b9\u6a29\u3092\u53d6\u5f97\u3067\u304d\u308b\u53ef\u80fd\u6027\u304c\u3042\u3063\u305f\u8106\u5f31\u6027\u3067\u3059\u3002<\/li>\n<li>PGD CLI\uff08\u30b3\u30de\u30f3\u30c9\u30e9\u30a4\u30f3\u30a4\u30f3\u30bf\u30fc\u30d5\u30a7\u30fc\u30b9\uff09\u306e\u5f37\u5316\uff1a \u30e6\u30fc\u30b6\u30d3\u30ea\u30c6\u30a3\u3068\u6a5f\u80fd\u6027\u306e\u5411\u4e0a\n<ul>\n<li>pgd node show \u30b3\u30de\u30f3\u30c9\u306b\u3001\u3088\u308a\u7684\u3092\u7d5e\u3063\u305f\u51fa\u529b\u306e\u305f\u3081\u306e &#8211;summary \u304a\u3088\u3073 &#8211;options \u30d5\u30e9\u30b0\u304c\u542b\u307e\u308c\u308b\u3088\u3046\u306b\u306a\u308a\u307e\u3057\u305f\u3002<\/li>\n<li>pgd cluster verify \u30b3\u30de\u30f3\u30c9\u304c\u3001\u3088\u308a\u591a\u304f\u306eGUC\uff08\u30b0\u30ed\u30fc\u30d0\u30eb\u30e6\u30fc\u30b6\u30fc\u8a2d\u5b9a\u30d1\u30e9\u30e1\u30fc\u30bf\uff09\u3092\u691c\u8a3c\u3059\u308b\u3088\u3046\u306b\u306a\u308a\u307e\u3057\u305f\u3002<\/li>\n<li>CLI\u30c7\u30d0\u30c3\u30b0\u30e1\u30c3\u30bb\u30fc\u30b8\u306e\u30d5\u30a9\u30fc\u30de\u30c3\u30c8\u304c\u6539\u5584\u3055\u308c\u3001\u8aad\u307f\u3084\u3059\u304f\u306a\u308a\u307e\u3057\u305f\u3002<\/li>\n<li>pgd cluster verify &#8211;settings \u306eJSON\u51fa\u529b\u306b recommended_value \u5217\u304c\u8ffd\u52a0\u3055\u308c\u307e\u3057\u305f\u3002<\/li>\n<li>CLI\u30b3\u30de\u30f3\u30c9\u304b\u3089\u306e\u8868\u5f62\u5f0f\u51fa\u529b\u304c\u30bd\u30fc\u30c8\u3055\u308c\u308b\u3088\u3046\u306b\u306a\u308a\u307e\u3057\u305f\u3002<\/li>\n<\/ul>\n<\/li>\n<li>BDR\uff08\u30b3\u30a2\u30ec\u30d7\u30ea\u30b1\u30fc\u30b7\u30e7\u30f3\uff09\u306e\u5f37\u5316\uff1a\n<ul>\n<li>\u30b7\u30fc\u30b1\u30f3\u30b9\u7ba1\u7406\uff1a \u30b0\u30ed\u30fc\u30d0\u30eb\u5272\u308a\u5f53\u3066\uff08galloc\uff09\u30b7\u30fc\u30b1\u30f3\u30b9\u306e\u7ba1\u7406\u3068\u30c7\u30d0\u30c3\u30b0\u3092\u7c21\u7d20\u5316\u3059\u308b\u305f\u3081\u306b\u3001\u65b0\u3057\u3044 bdr.galloc_chunk_info() \u95a2\u6570\u304c\u8ffd\u52a0\u3055\u308c\u307e\u3057\u305f\u3002<\/li>\n<li>\u30b3\u30df\u30c3\u30c8\u30b9\u30b3\u30fc\u30d7\u51e6\u7406\u30ed\u30b8\u30c3\u30af\uff1a \u30b3\u30df\u30c3\u30c8\u30b9\u30b3\u30fc\u30d7\u51e6\u7406\u30ed\u30b8\u30c3\u30af\u304c\u30c7\u30fc\u30bf\u30ce\u30fc\u30c9\u5c02\u7528\u3067\u5b9f\u884c\u3055\u308c\u308b\u3088\u3046\u306b\u306a\u308a\u3001\u30a6\u30a3\u30c3\u30c8\u30cd\u30b9\u30ce\u30fc\u30c9\u3084\u30b5\u30d6\u30b9\u30af\u30e9\u30a4\u30d0\u30fc\u5c02\u7528\u30ce\u30fc\u30c9\u306a\u3069\u306e\u975e\u30c7\u30fc\u30bf\u30ce\u30fc\u30c9\u3067\u306e\u6f5c\u5728\u7684\u306a\u30a8\u30e9\u30fc\u3084\u7d1b\u3089\u308f\u3057\u3044\u30e1\u30c3\u30bb\u30fc\u30b8\u3092\u9632\u3050\u3088\u3046\u306b\u306a\u308a\u307e\u3057\u305f\u3002<\/li>\n<li>\u30d9\u30f3\u30c1\u30de\u30fc\u30af\uff1a CAMO\uff08\u6700\u59271\u56de\u30b3\u30df\u30c3\u30c8\uff09\u4f7f\u7528\u6642\u306e pgd_bench \u306e\u30a8\u30e9\u30fc\u30e1\u30c3\u30bb\u30fc\u30b8\u304c\u6539\u5584\u3055\u308c\u307e\u3057\u305f\u3002<\/li>\n<\/ul>\n<\/li>\n<li>\u30d0\u30b0\u4fee\u6b63\uff1a PGD CLI\u304a\u3088\u3073BDR\u30b3\u30f3\u30dd\u30fc\u30cd\u30f3\u30c8\u5168\u4f53\u3067\u3001\u30bf\u30a4\u30e0\u30b9\u30bf\u30f3\u30d7\u89e3\u6790\u3001\u30c7\u30c3\u30c9\u30ed\u30c3\u30af\u3001\u30ce\u30fc\u30c9\u53c2\u52a0\u6642\u306e\u4e00\u8cab\u6027\u3001Raft\u30ea\u30fc\u30c0\u30fc\u9078\u51fa\u30bf\u30a4\u30e0\u30a2\u30a6\u30c8\u3001\u7121\u52b9\u5316\u3055\u308c\u305f\u30b5\u30d6\u30b9\u30af\u30ea\u30d7\u30b7\u30e7\u30f3\u306a\u3069\u306b\u95a2\u3059\u308b\u591a\u6570\u306e\u30d0\u30b0\u304c\u4fee\u6b63\u3055\u308c\u307e\u3057\u305f\u3002<\/li>\n<\/ul>\n<hr \/>\n<h4>\u65e5\u672c\u8a9e\u8a33\uff5cEDB Postgres Distributed\uff08PGD\uff095.8.0<\/h4>\n<p>\u203bGoogle\u306eAutoML Translation\u3092\u4f7f\u7528\u3057\u3066\u7ffb\u8a33\u3057\u3066\u304a\u308a\u307e\u3059\u3002<\/p>\n<table style=\"border-collapse: collapse; width: 100%;\">\n<tbody>\n<tr>\n<td style=\"width: 50%;\"><a href=\"https:\/\/edbjapan.com\/manual\/edbmanual\/PGD_5.8.0\/ja\/EDB_Postgres_Distributed_-_PGD_ja\/\" target=\"_blank\" rel=\"noopener\"><img loading=\"lazy\" decoding=\"async\" class=\"wp-image-6009 size-large alignnone\" src=\"https:\/\/edbjapan.com\/manual\/wp-content\/uploads\/2025\/06\/manual_ja01-1-1024x563.jpg\" alt=\"\" width=\"1024\" height=\"563\" srcset=\"https:\/\/edbjapan.com\/manual\/wp-content\/uploads\/2025\/06\/manual_ja01-1-1024x563.jpg 1024w, https:\/\/edbjapan.com\/manual\/wp-content\/uploads\/2025\/06\/manual_ja01-1-300x165.jpg 300w, https:\/\/edbjapan.com\/manual\/wp-content\/uploads\/2025\/06\/manual_ja01-1-768x422.jpg 768w, https:\/\/edbjapan.com\/manual\/wp-content\/uploads\/2025\/06\/manual_ja01-1.jpg 1333w\" sizes=\"auto, (max-width: 1024px) 100vw, 1024px\" \/><\/a><\/td>\n<td style=\"width: 50%;\"><a href=\"https:\/\/edbjapan.com\/manual\/edbmanual\/PGD_5.8.0\/ja\/EDB_Postgres_Distributed_-_PGD_ja.pdf\" target=\"_blank\" rel=\"noopener\"><img loading=\"lazy\" decoding=\"async\" class=\"wp-image-6010 size-large alignnone\" src=\"https:\/\/edbjapan.com\/manual\/wp-content\/uploads\/2025\/06\/pdf_download-2-1024x585.jpg\" alt=\"\" width=\"1024\" height=\"585\" srcset=\"https:\/\/edbjapan.com\/manual\/wp-content\/uploads\/2025\/06\/pdf_download-2-1024x585.jpg 1024w, https:\/\/edbjapan.com\/manual\/wp-content\/uploads\/2025\/06\/pdf_download-2-300x171.jpg 300w, https:\/\/edbjapan.com\/manual\/wp-content\/uploads\/2025\/06\/pdf_download-2-768x439.jpg 768w, https:\/\/edbjapan.com\/manual\/wp-content\/uploads\/2025\/06\/pdf_download-2.jpg 1400w\" sizes=\"auto, (max-width: 1024px) 100vw, 1024px\" \/><\/a><\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n<h4>\u82f1\u8a9e\u539f\u6587\uff5cEDB Postgres Distributed\uff08PGD\uff095.8.0<\/h4>\n<table style=\"border-collapse: collapse; width: 100%;\">\n<tbody>\n<tr>\n<td style=\"width: 50%;\"><a href=\"https:\/\/edbjapan.com\/manual\/edbmanual\/PGD_5.8.0\/en\/EDB_Postgres_Distributed_-_PGD_en\/\" target=\"_blank\" rel=\"noopener\"><img loading=\"lazy\" decoding=\"async\" class=\"wp-image-6011 size-large alignnone\" src=\"https:\/\/edbjapan.com\/manual\/wp-content\/uploads\/2025\/06\/manual_en01-1-1024x563.jpg\" alt=\"\" width=\"1024\" height=\"563\" srcset=\"https:\/\/edbjapan.com\/manual\/wp-content\/uploads\/2025\/06\/manual_en01-1-1024x563.jpg 1024w, https:\/\/edbjapan.com\/manual\/wp-content\/uploads\/2025\/06\/manual_en01-1-300x165.jpg 300w, https:\/\/edbjapan.com\/manual\/wp-content\/uploads\/2025\/06\/manual_en01-1-768x422.jpg 768w, https:\/\/edbjapan.com\/manual\/wp-content\/uploads\/2025\/06\/manual_en01-1.jpg 1333w\" sizes=\"auto, (max-width: 1024px) 100vw, 1024px\" \/><\/a><\/td>\n<td style=\"width: 50%;\"><a href=\"https:\/\/edbjapan.com\/manual\/edbmanual\/PGD_5.8.0\/en\/EDB_Postgres_Distributed_-_PGD_en.pdf\" target=\"_blank\" rel=\"noopener\"><img loading=\"lazy\" decoding=\"async\" class=\"wp-image-6012 size-large alignnone\" src=\"https:\/\/edbjapan.com\/manual\/wp-content\/uploads\/2025\/06\/pdf_download-3-1024x585.jpg\" alt=\"\" width=\"1024\" height=\"585\" srcset=\"https:\/\/edbjapan.com\/manual\/wp-content\/uploads\/2025\/06\/pdf_download-3-1024x585.jpg 1024w, https:\/\/edbjapan.com\/manual\/wp-content\/uploads\/2025\/06\/pdf_download-3-300x171.jpg 300w, https:\/\/edbjapan.com\/manual\/wp-content\/uploads\/2025\/06\/pdf_download-3-768x439.jpg 768w, https:\/\/edbjapan.com\/manual\/wp-content\/uploads\/2025\/06\/pdf_download-3.jpg 1400w\" sizes=\"auto, (max-width: 1024px) 100vw, 1024px\" \/><\/a><\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n","protected":false},"excerpt":{"rendered":"<p>\u65e5\u672c\u8a9e\u8a33\uff5cEDB Postgres Distributed\uff08PGD\uff095.8.0<br \/>\n\u82f1\u8a9e\u539f\u6587\uff5cEDB Postgres Distributed\uff08PGD\uff095.8.0<\/p>\n","protected":false},"author":1,"featured_media":6171,"comment_status":"closed","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":{"_vk_print_noindex":"","sitemap_hide":"","_veu_custom_css":"","veu_display_promotion_alert":"common","vkexunit_cta_each_option":"","_lightning_design_setting":{"layout":"default"},"footnotes":""},"categories":[17,20],"tags":[],"class_list":["post-6001","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-ha","category-pgd"],"veu_head_title_object":{"title":"","add_site_title":""},"_links":{"self":[{"href":"https:\/\/edbjapan.com\/manual\/wp-json\/wp\/v2\/posts\/6001","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/edbjapan.com\/manual\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/edbjapan.com\/manual\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/edbjapan.com\/manual\/wp-json\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"https:\/\/edbjapan.com\/manual\/wp-json\/wp\/v2\/comments?post=6001"}],"version-history":[{"count":8,"href":"https:\/\/edbjapan.com\/manual\/wp-json\/wp\/v2\/posts\/6001\/revisions"}],"predecessor-version":[{"id":6013,"href":"https:\/\/edbjapan.com\/manual\/wp-json\/wp\/v2\/posts\/6001\/revisions\/6013"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/edbjapan.com\/manual\/wp-json\/wp\/v2\/media\/6171"}],"wp:attachment":[{"href":"https:\/\/edbjapan.com\/manual\/wp-json\/wp\/v2\/media?parent=6001"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/edbjapan.com\/manual\/wp-json\/wp\/v2\/categories?post=6001"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/edbjapan.com\/manual\/wp-json\/wp\/v2\/tags?post=6001"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}