{"id":9220,"date":"2022-01-27T11:24:08","date_gmt":"2022-01-27T02:24:08","guid":{"rendered":"https:\/\/www.ecomottblog.com\/?p=9220"},"modified":"2026-02-18T15:32:35","modified_gmt":"2026-02-18T06:32:35","slug":"postgresql%e3%81%ae%e3%83%a1%e3%83%a2%e3%83%aa%e3%83%81%e3%83%a5%e3%83%bc%e3%83%8b%e3%83%b3%e3%82%b0%e3%81%af%e3%81%98%e3%82%81%e3%81%ae%e4%b8%80%e6%ad%a9","status":"publish","type":"post","link":"https:\/\/www.ecomottblog.com\/?p=9220","title":{"rendered":"PostgreSQL\u306e\u30e1\u30e2\u30ea\u30c1\u30e5\u30fc\u30cb\u30f3\u30b0\u306f\u3058\u3081\u306e\u4e00\u6b69"},"content":{"rendered":"

\u3053\u3093\u306b\u3061\u306f\u3002
\n\u958b\u767a\u30e1\u30f3\u30d0\u306eK\u3067\u3059\u3002<\/p>\n

\u4eca\u56deLinux\u74b0\u5883\u3067PostgreSQL\u306e\u30e1\u30e2\u30ea\u30c1\u30e5\u30fc\u30cb\u30f3\u30b0\u306e\u305f\u3081\u306e\u8a2d\u5b9a\u5909\u66f4\u3092\u3059\u308b\u6a5f\u4f1a\u304c\u3042\u3063\u305f\u306e\u3067\u3001\u5909\u66f4\u307e\u3067\u306e\u624b\u9806\u3092\u306f\u3058\u3081\u304b\u3089\u307e\u3068\u3081\u3066\u307f\u307e\u3057\u305f\u3002<\/p>\n

PostgreSQL\u3092\u4f7f\u3063\u3066\u306f\u3044\u308b\u3051\u308c\u3069\u3001\u610f\u5916\u3068\u30e1\u30e2\u30ea\u5468\u308a\u306e\u8a2d\u5b9a\u306f\u300c\u306a\u3093\u3060\u304b\u96e3\u3057\u305d\u3046\u3001\u3088\u304f\u308f\u304b\u3089\u306a\u3044\u300d\u305d\u3093\u306a\u5370\u8c61\u306e\u305f\u3081\u306b\u3001\u30c7\u30d5\u30a9\u30eb\u30c8\u5024\u306e\u307e\u307e\u3060\u3063\u305f\u308a\u3059\u308b\u3053\u3068\u3082\u3042\u308b\u304b\u3082\u3057\u308c\u307e\u305b\u3093\u3002<\/p>\n

\u5b9f\u969b\u306b\u3084\u3063\u3066\u307f\u308b\u3068\u5909\u66f4\u81ea\u4f53\u306f\u305d\u308c\u307b\u3069\u96e3\u3057\u304f\u306a\u3044\u306e\u3067\u3001\u3053\u308c\u3092\u6a5f\u306b\u4e00\u5ea6\u898b\u76f4\u3057\u3066\u307f\u307e\u3057\u3087\u3046\u3002<\/p>\n

<\/p>\n

\u30e1\u30e2\u30ea\u30c1\u30e5\u30fc\u30cb\u30f3\u30b0\u3063\u3066\u96e3\u3057\u305d\u3046\u3060\u3051\u3069\u2026<\/h2>\n

\u306f\u3058\u3081\u306e\u4e00\u6b69\u306f\u3001\u30b5\u30fc\u30d0\u30fc\u306e\u30b9\u30da\u30c3\u30af\u3084\u30e1\u30e2\u30ea\u306b\u5408\u308f\u305b\u3066\u9069\u5207\u306a\u8a2d\u5b9a\u5024\u306b\u8a2d\u5b9a\u3059\u308b\u3053\u3068\u3067\u3059\u3002<\/p>\n

\u3067\u306f\u624b\u9806\u3092\u898b\u3066\u3044\u304d\u307e\u3059\u3002<\/p>\n

\n
\u30b9\u30c6\u30c3\u30d7\uff11\uff1a\u30b5\u30fc\u30d0\u30fc\u306e\u30b9\u30da\u30c3\u30af\u3092\u628a\u63e1\u3059\u308b
\n\u30b9\u30c6\u30c3\u30d7\uff12\uff1aPGTune\u3067\u9069\u6b63\u306a\u8a2d\u5b9a\u5024\u3092\u77e5\u308b
\n\u30b9\u30c6\u30c3\u30d7\uff13\uff1apostgresql.conf\u8a2d\u5b9a\u30d5\u30a1\u30a4\u30eb\u3092\u7de8\u96c6\u3059\u308b
\n\u30b9\u30c6\u30c3\u30d7\uff14\uff1aPostgreSQL\u306b\u53cd\u6620\u3055\u305b\u308b
\n\u30b9\u30c6\u30c3\u30d7\uff15\uff1a\u30d1\u30e9\u30e1\u30fc\u30bf\u304c\u5909\u66f4\u3055\u308c\u305f\u3053\u3068\u3092\u78ba\u8a8d\u3059\u308b<\/h5>\n<\/blockquote>\n

\u8a2d\u5b9a\u3059\u308b\u305f\u3081\u306e\u9069\u6b63\u5024\u3092\u77e5\u308b\u65b9\u6cd5<\/h2>\n

\"\"<\/p>\n

\u7c21\u5358\u306b\u30b5\u30fc\u30d0\u30fc\u306e\u30b9\u30da\u30c3\u30af\u3092\u57fa\u306b\u9069\u6b63\u5024\u3092\u6c42\u3081\u308b\u306b\u306f\u300cPGTune\u300d\u3068\u3044\u3046\u30c4\u30fc\u30eb\u304c\u3042\u308a\u307e\u3059\u3002<\/p>\n

\u5de6\u5074\u306b\u30b5\u30fc\u30d0\u30fc\u306e\u30b9\u30da\u30c3\u30af\u3084\u4f7f\u7528\u76ee\u7684\u306a\u3069\u3092\u5165\u529b\u3057\u3001\u30dc\u30bf\u30f3\u3092\u62bc\u3059\u3068\u5165\u529b\u3057\u305f\u5024\u3092\u57fa\u306b\u3001\u53f3\u5074\u306b\u5404\u30d1\u30e9\u30e1\u30fc\u30bf\u5024\u304c\u8868\u793a\u3055\u308c\u307e\u3059\u3002<\/p>\n

https:\/\/pgtune.leopard.in.ua<\/a><\/p>\n

\u30b9\u30c6\u30c3\u30d7\uff11\uff1a\u30b5\u30fc\u30d0\u30fc\u306e\u30b9\u30da\u30c3\u30af\u3092\u628a\u63e1\u3059\u308b<\/h2>\n

PGTune\u306b\u5165\u529b\u3059\u308b\u305f\u3081\u306b\u30b5\u30fc\u30d0\u30fc\u306e\u30b9\u30da\u30c3\u30af\u3092\u8abf\u3079\u307e\u3057\u3087\u3046\u3002<\/p>\n

\u30fbDB version\u3000\u21d2postgresql\u306e\u30d0\u30fc\u30b8\u30e7\u30f3\u78ba\u8a8d\u30b3\u30de\u30f3\u30c9\u300cpsql –version\u300d
\n\u30fbOS Type\u3000\u3000\u21d2\u74b0\u5883\u306eOS\u3092\u9078\u629e
\n\u30fbDB Type\u3000\u3000\u21d2\u4f7f\u7528\u7528\u9014\u306b\u5408\u308f\u305b\u3066\u9078\u629e
\n\u30fbTotal Memory (RAM)\u21d2\u78ba\u8a8d\u30b3\u30de\u30f3\u30c9\u300ccat \/proc\/meminfo | grep MemTotal\u300d
\n\u30fbNumber of CPUs\u3000\u21d2\u78ba\u8a8d\u30b3\u30de\u30f3\u30c9\u300clscpu | grep CPU\u300d\u306e\u7d50\u679c\u306eCPU(s)\u306e\u90e8\u5206
\n\u30fbNumber of Connections\u3000\u21d2postgresql.conf\u306e\u300cmax_connections\u306e\u5024\u300d
\n\u30fbData Storage\u3000\u21d2\u78ba\u8a8d\u30b3\u30de\u30f3\u30c9\u300clsblk -d -o name,rota\u300d\u306e\u7d50\u679c1:HDD\u30010:SSD<\/p><\/blockquote>\n

[\u53c2\u8003] lsblk -d -o name,rota
\nhttps:\/\/www.sublimelms.com\/blog\/How-to-detect-your-server-has-SSD-or-HDD-hard-disk<\/a><\/p>\n

\u30b9\u30c6\u30c3\u30d7\uff12\uff1aPGTune\u3067\u9069\u6b63\u306a\u8a2d\u5b9a\u5024\u3092\u77e5\u308b<\/h2>\n

\"\"\u30b9\u30c6\u30c3\u30d71\u3067\u78ba\u8a8d\u3057\u305f\u30b5\u30fc\u30d0\u30fc\u30b9\u30da\u30c3\u30af\u7b49\u3092PGTune\u306b\u5165\u529b\u3057\u3066\u3001Generate\u30dc\u30bf\u30f3\u3092\u62bc\u3057\u307e\u3059\u3002<\/p>\n

\u4eca\u56de\u306e\u7d50\u679c\u306f\u3053\u3093\u306a\u5024\u3067\u3057\u305f\u3002\uff08\u74b0\u5883\u306f\u624b\u9806\u8aac\u660e\u7528\u306b\u7528\u610f\u3057\u305fEC2\u30a4\u30f3\u30b9\u30bf\u30f3\u30b9\u3092\u4f7f\u7528\u3057\u3066\u3044\u307e\u3059\uff09<\/p>\n

 <\/p>\n

\u30b9\u30c6\u30c3\u30d7\uff13\uff1apostgresql.conf\u8a2d\u5b9a\u30d5\u30a1\u30a4\u30eb\u3092\u7de8\u96c6\u3059\u308b<\/h2>\n

PGTune\u306e\u7d50\u679c\u304b\u3089\u5404\u30d1\u30e9\u30e1\u30fc\u30bf\u306e\u610f\u5473\u3092\u7406\u89e3\u3057\u305f\u3046\u3048\u3067\u3001\u5909\u66f4\u3059\u308b\u30d1\u30e9\u30e1\u30fc\u30bf\u3092\u6c7a\u3081\u307e\u3059\u3002\u305d\u3057\u3066postgresql.conf\u306e\u8a72\u5f53\u3059\u308b\u30d1\u30e9\u30e1\u30fc\u30bf\u306e\u5024\u3092\u5909\u66f4\u3057\u307e\u3059\u3002<\/p>\n

\u4eca\u56de\u306f\u3001\u4ee5\u4e0b\u306e\u9805\u76ee\u3092\u5909\u66f4\u3057\u307e\u3059\u3002<\/p>\n

shared_buffers = 256MB
\neffective_cache_size = 768MB
\nmaintenance_work_mem = 64MB
\nwal_buffers = 7864kB
\nwork_mem = 1310kB
\nmin_wal_size = 1GB
\nmax_wal_size = 4GB<\/p><\/blockquote>\n

\u30b9\u30c6\u30c3\u30d7\uff14\uff1aPostgreSQL\u306b\u53cd\u6620\u3055\u305b\u308b<\/h2>\n

\u4eca\u56de\u306f\u3001\u5909\u66f4\u306e\u53cd\u6620\u306b\u518d\u8d77\u52d5\u304c\u5fc5\u8981\u306b\u306a\u308b\u30d1\u30e9\u30e1\u30fc\u30bfshared_buffers\u3001wal_buffers\u3092\u542b\u3080\u306e\u3067PostgreSQL\u3092\u518d\u8d77\u52d5\u3057\u307e\u3059\u3002<\/p>\n

systemctl restart postgresql<\/p><\/blockquote>\n

\u30d1\u30e9\u30e1\u30fc\u30bf\u306b\u3088\u3063\u3066\u306f\u518d\u8d77\u52d5\u304c\u4e0d\u8981\u306a\u30d1\u30e9\u30e1\u30fc\u30bf\u3082\u3042\u308a\u307e\u3059\u3002postgresql.conf\u3092\u958b\u3044\u3066\u30b3\u30e1\u30f3\u30c8\u3092\u898b\u3066\u307f\u307e\u3057\u3087\u3046\u3002\u300c(change requires restart)\u300d\u3068\u8a18\u8f09\u306e\u3042\u308b\u30d1\u30e9\u30e1\u30fc\u30bf\u306f\u518d\u8d77\u52d5\u304c\u5fc5\u8981\u3067\u3059\u304c\u3001\u305d\u308c\u4ee5\u5916\u306f\u518d\u8d77\u52d5\u305b\u305a\u306b\u30ea\u30ed\u30fc\u30c9\u3067\u53cd\u6620\u3055\u305b\u308b\u3053\u3068\u304c\u3067\u304d\u307e\u3059\u3002<\/p>\n

\u5909\u66f4\u5bfe\u8c61\u306b\u518d\u8d77\u52d5\u304c\u5fc5\u8981\u306a\u30d1\u30e9\u30e1\u30fc\u30bf\u3092\u542b\u307e\u306a\u3044\u5834\u5408\u306f\u3001\u30ea\u30ed\u30fc\u30c9\u3067OK\uff01<\/p>\n

\u30c7\u30fc\u30bf\u30d9\u30fc\u30b9\u306b\u63a5\u7d9a\u3057\u3066 SELECT pg_reload_conf();<\/p><\/blockquote>\n

\u30b9\u30c6\u30c3\u30d7\uff15\uff1a\u30d1\u30e9\u30e1\u30fc\u30bf\u304c\u5909\u66f4\u3055\u308c\u305f\u3053\u3068\u3092\u78ba\u8a8d\u3059\u308b<\/h2>\n

\u6700\u5f8c\u306b\u5909\u66f4\u304c\u53cd\u6620\u3055\u308c\u305f\u3053\u3068\u3092\u78ba\u8a8d\u3057\u307e\u3059\u3002<\/p>\n

\u30c7\u30fc\u30bf\u30d9\u30fc\u30b9\u306b\u63a5\u7d9a\u3057\u3066 SHOW shared_buffers;<\/p><\/blockquote>\n

\u306e\u3088\u3046\u306b\u78ba\u8a8d\u3057\u305f\u3044\u30d1\u30e9\u30e1\u30fc\u30bf\u3092\u6307\u5b9a\u3057\u3066\u5b9f\u884c\u3057\u307e\u3059\u3002<\/p>\n

\"\"<\/p>\n

\u5909\u66f4\u3055\u308c\u3066\u3044\u308b\u3053\u3068\u304c\u78ba\u8a8d\u3067\u304d\u307e\u3057\u305f\u3002<\/p>\n

\u3053\u308c\u3067\u8a2d\u5b9a\u5909\u66f4\u307e\u3067\u306f\u5b8c\u4e86\u3067\u3059\u3002<\/p>\n

\u3053\u306e\u5148\u306f\u8abf\u6574\u306b\u306a\u308b\u3068\u601d\u3046\u306e\u3067\u3001\u624b\u59cb\u3081\u306b\u300c\u3042\u308b\u7a0b\u5ea6\u306e\u9069\u6b63\u5024\u306e\u76ee\u5b89\u300d\u3068\u300c\u5909\u66f4\u306e\u65b9\u6cd5\u300d\u304c\u5206\u304b\u308c\u3070\u3001\u6b21\u306b\u9032\u3081\u3084\u3059\u3044\u306e\u3067\u306f\u306a\u3044\u3067\u3057\u3087\u3046\u304b\u3002<\/p>\n

\u203b\u300cSHOW ALL;\u300d\u3084\u300cSHOW shared_buffers;SHOW effective_cache_size;SHOW maintenance_work_mem;SHOW wal_buffers;SHOW work_mem;SHOW min_wal_size;SHOW max_wal_size;\u300d\u3067\u307e\u3068\u3081\u3066\u78ba\u8a8d\u3082\u3042\u308a<\/p><\/blockquote>\n

\u307e\u3068\u3081<\/h2>\n

\u4eca\u56de\u3001\u30b5\u30fc\u30d0\u30fc\u306e\u30b9\u30da\u30c3\u30af\u3092\u57fa\u306b\u9069\u5207\u306aPostgreSQL\u8a2d\u5b9a\u5024\u306b\u5909\u66f4\u3059\u308b\u6d41\u308c\u307e\u3067\u3092\u66f8\u3044\u3066\u307f\u307e\u3057\u305f\u3002<\/p>\n

\u30c7\u30d5\u30a9\u30eb\u30c8\u5024\u306e\u307e\u307e\u3067\u306a\u304b\u306a\u304b\u624b\u3092\u4ed8\u3051\u3089\u308c\u3066\u3044\u306a\u304b\u3063\u305f\u65b9\u3082\u3001\u307e\u305a\u306fPGTune\u3067\u9069\u6b63\u5024\u3092\u78ba\u8a8d\u3057\u3066\u3001\u73fe\u5728\u306e\u8a2d\u5b9a\u5024\u3068\u6bd4\u8f03\u3057\u3066\u307f\u308b\u3053\u3068\u3067\u3001PostgreSQL\u30e1\u30e2\u30ea\u30c1\u30e5\u30fc\u30cb\u30f3\u30b0\u306e\u305f\u3081\u306e\u4e00\u3064\u306e\u304d\u3063\u304b\u3051\u306b\u306a\u308c\u3070\u3068\u601d\u3044\u307e\u3059\u3002<\/p>\n

 
\n\u30a8\u30b3\u30e2\u30c3\u30c8\u3067\u306f\u3001\u3068\u3082\u306b\u672a\u6765\u306e\u5e38\u8b58\u3092\u5275\u308b\u4ef2\u9593\u3092\u52df\u96c6\u3057\u3066\u3044\u307e\u3059\u3002
\n\u5f0a\u793e\u306b\u5c11\u3057\u3067\u3082\u8208\u5473\u304c\u3042\u308b\u65b9\u306f\u305c\u3072\u4e0b\u8a18\u306e\u63a1\u7528\u30da\u30fc\u30b8\u3092\u3054\u89a7\u304f\u3060\u3055\u3044\uff01<\/p>\n

 <\/p>\n

\u52df\u96c6\u8981\u9805<\/a><\/div>\n","protected":false},"excerpt":{"rendered":"

\u3053\u3093\u306b\u3061\u306f\u3002 \u958b\u767a\u30e1\u30f3\u30d0\u306eK\u3067\u3059\u3002 \u4eca\u56deLinux\u74b0\u5883\u3067PostgreSQL\u306e\u30e1\u30e2\u30ea\u30c1\u30e5\u30fc\u30cb\u30f3\u30b0\u306e\u305f\u3081\u306e\u8a2d\u5b9a\u5909\u66f4\u3092\u3059\u308b\u6a5f\u4f1a\u304c\u3042\u3063\u305f\u306e\u3067\u3001\u5909\u66f4\u307e\u3067\u306e\u624b\u9806\u3092\u306f\u3058\u3081\u304b\u3089\u307e\u3068\u3081\u3066\u307f\u307e\u3057\u305f\u3002 PostgreSQL\u3092\u4f7f\u3063\u3066\u306f\u3044\u308b\u3051\u308c […]<\/p>\n","protected":false},"author":63,"featured_media":9223,"comment_status":"closed","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[27],"tags":[354],"_links":{"self":[{"href":"https:\/\/www.ecomottblog.com\/index.php?rest_route=\/wp\/v2\/posts\/9220"}],"collection":[{"href":"https:\/\/www.ecomottblog.com\/index.php?rest_route=\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/www.ecomottblog.com\/index.php?rest_route=\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/www.ecomottblog.com\/index.php?rest_route=\/wp\/v2\/users\/63"}],"replies":[{"embeddable":true,"href":"https:\/\/www.ecomottblog.com\/index.php?rest_route=%2Fwp%2Fv2%2Fcomments&post=9220"}],"version-history":[{"count":11,"href":"https:\/\/www.ecomottblog.com\/index.php?rest_route=\/wp\/v2\/posts\/9220\/revisions"}],"predecessor-version":[{"id":22310,"href":"https:\/\/www.ecomottblog.com\/index.php?rest_route=\/wp\/v2\/posts\/9220\/revisions\/22310"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/www.ecomottblog.com\/index.php?rest_route=\/wp\/v2\/media\/9223"}],"wp:attachment":[{"href":"https:\/\/www.ecomottblog.com\/index.php?rest_route=%2Fwp%2Fv2%2Fmedia&parent=9220"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/www.ecomottblog.com\/index.php?rest_route=%2Fwp%2Fv2%2Fcategories&post=9220"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/www.ecomottblog.com\/index.php?rest_route=%2Fwp%2Fv2%2Ftags&post=9220"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}