{"id":41479,"date":"2023-03-28T10:27:47","date_gmt":"2023-08-30T16:56:11","guid":{"rendered":"https:\/\/www.silicloud.com\/zh\/blog\/postgresql%e4%b8%ad%e7%9a%84fsync%e5%92%8csynchronous_commit%e3%80%82\/"},"modified":"2024-04-29T20:51:17","modified_gmt":"2024-04-29T12:51:17","slug":"postgresql%e4%b8%ad%e7%9a%84fsync%e5%92%8csynchronous_commit%e3%80%82","status":"publish","type":"post","link":"https:\/\/www.silicloud.com\/zh\/blog\/postgresql%e4%b8%ad%e7%9a%84fsync%e5%92%8csynchronous_commit%e3%80%82\/","title":{"rendered":"PostgreSQL\u4e2d\u7684fsync\u548csynchronous_commit"},"content":{"rendered":"<ul class=\"post-ul\">\n<li style=\"list-style-type: none;\">\n<ul class=\"post-ul\">fsync<\/ul>\n<\/li>\n<\/ul>\n<p>postgresql.conf\uff08\u307e\u305f\u306fpostgres\u306e\u30b3\u30de\u30f3\u30c9\u30e9\u30a4\u30f3\u30aa\u30d7\u30b7\u30e7\u30f3\uff09\u3067\u8a2d\u5b9a<br \/>\noff\u306b\u3059\u308b\u3068DB\u30af\u30e9\u30c3\u30b7\u30e5\u6642\u306b\u56de\u5fa9\u4e0d\u53ef\u80fd\u306a\u30c7\u30fc\u30bf\u7834\u58ca\u306b\u306a\u308b\u30ea\u30b9\u30af\u304c\u3042\u308b\u3002\u30e6\u30cb\u30c3\u30c8\u30c6\u30b9\u30c8\u7528\u306eDB\u306a\u3069\u3001\u58ca\u308c\u3066\u3082\u3044\u3044\u304b\u3089\u9ad8\u901f\u5316\u3057\u305f\u3044\u5834\u5408\u306b\u5229\u7528\u3059\u308b\u3068\u826f\u3044\u3002<\/p>\n<p>synchronous_commit<\/p>\n<p>\u30bb\u30c3\u30b7\u30e7\u30f3\u3054\u3068\u3001\u30c8\u30e9\u30f3\u30b6\u30af\u30b7\u30e7\u30f3\u3054\u3068\u306b\u8a2d\u5b9a\u53ef\u80fd<br \/>\noff\u306b\u3059\u308b\u3068\u3001fsync\u306f\u884c\u3046\u304c\u305d\u306e\u5b8c\u4e86\u3092\u5f85\u305f\u305a\u306b\u30af\u30e9\u30a4\u30a2\u30f3\u30c8\u306b\u6210\u529f\u3092\u8fd4\u3059\u3002DB\u30af\u30e9\u30c3\u30b7\u30e5\u6642\u306b\u30c7\u30fc\u30bf\u304c\u58ca\u308c\u308b\u3053\u3068\u306f\u306a\u3044\u304c\u3001\u30b3\u30df\u30c3\u30c8\u3057\u305f\u306f\u305a\u306e\u5909\u66f4\u304c\u5931\u308f\u308c\u308b\u30ea\u30b9\u30af\u304c\u3042\u308b\u3002\u672c\u756a\u3067off\u306b\u3059\u308b\u3053\u3068\u3082\u5341\u5206\u898b\u5408\u3046\u30c8\u30ec\u30fc\u30c9\u30aa\u30d5\u3002<br \/>\n\u6709\u52b9\u306a\u5024\u306f\u4f55\u7a2e\u985e\u304b\u3042\u308b: remote_apply\u3001on(\u30c7\u30d5\u30a9\u30eb\u30c8)\u3001remote_write\u3001local\u3001off<\/p>\n<p>\u5c06synchronous_commit\u8bbe\u7f6e\u4e3a\u201coff\u201d\uff0c\u5c1d\u8bd5\u4e86\u4e00\u4e0b\u7b80\u5355\u7684\u63d2\u5165\u8bed\u53e5\uff0c\u53ef\u4ee5\u7f29\u77ed\u7ea60.8\u6beb\u79d2\u3002<\/p>\n<pre class=\"post-pre\"><code>postgres=# insert into users (name, start_date, end_date) values ('hoge', '2023-10-01', '2023-10-02');\r\nINSERT 0 1\r\n\u6642\u9593: 1.351 \u30df\u30ea\u79d2\r\n\r\npostgres=# set synchronous_commit = 'off';\r\nSET\r\n\u6642\u9593: 0.700 \u30df\u30ea\u79d2\r\n\r\npostgres=# insert into users (name, start_date, end_date) values ('hoge', '2023-10-01', '2023-10-02');\r\n\u6642\u9593: 0.526 \u30df\u30ea\u79d2\r\n<\/code><\/pre>\n<p>\u516c\u5f0f\u6587\u4ef6\u7684\u63cf\u8ff0\u6709\u70b9\u96be\u61c2\uff0c\u4f46\u6839\u636e\u601d\u8003\u4e00\u4e0b\u5173\u4e8e\u63d0\u4ea4(COMMIT)\u7684\u90e8\u5206\uff0c\u5185\u90e8\u64cd\u4f5c\u4f3c\u4e4e\u4e0e(3)\u4e2d\u6240\u8ff0\u76f8\u4f3c\u3002<\/p>\n<p>&nbsp;<\/p>\n","protected":false},"excerpt":{"rendered":"<p>fsync postgresql.conf\uff08\u307e\u305f\u306fpostgres\u306e\u30b3\u30de\u30f3\u30c9\u30e9\u30a4\u30f3\u30aa\u30d7\u30b7\u30e7\u30f3\uff09\u3067\u8a2d\u5b9a off\u306b [&hellip;]<\/p>\n","protected":false},"author":10,"featured_media":0,"comment_status":"closed","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[1],"tags":[],"class_list":["post-41479","post","type-post","status-publish","format-standard","hentry","category-uncategorized"],"yoast_head":"<!-- This site is optimized with the Yoast SEO Premium plugin v21.5 (Yoast SEO v21.5) - 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