{"id":115238,"date":"2024-04-22T14:30:11","date_gmt":"2024-04-22T12:30:11","guid":{"rendered":"https:\/\/prohoster.info\/blog\/novosti-interneta\/oczenka-izmeneniya-proizvoditelnosti-subd-postgresql-za-poslednie-15-let"},"modified":"2024-04-22T14:30:11","modified_gmt":"2024-04-22T12:30:11","slug":"oczenka-izmeneniya-proizvoditelnosti-subd-postgresql-za-poslednie-15-let","status":"publish","type":"post","link":"https:\/\/prohoster.info\/it\/blog\/novosti-interneta\/oczenka-izmeneniya-proizvoditelnosti-subd-postgresql-za-poslednie-15-let","title":{"rendered":"Valutazione del cambiamento delle prestazioni del DBMS PostgreSQL negli ultimi 15 anni","gt_translate_keys":[{"key":"rendered","format":"text"}]},"content":{"rendered":"

Ryan Marcus, sviluppatore dell'ottimizzatore sperimentale Bao per PostgreSQL, che utilizza l'apprendimento automatico per ottimizzare l'esecuzione delle query, ha pubblicato i risultati dei test delle prestazioni dell'ottimizzatore di query predefinito di PostgreSQL. I test hanno coperto le versioni di PostgreSQL a partire dalla 8.4 (2009) fino alla 16 (2023). Le prestazioni sono state misurate tramite una raccolta JOB (join order benchmark), che include oltre 100 query complesse con un elevato numero di operazioni JOIN, mirate a verificare vari aspetti del funzionamento dell'ottimizzatore di query.

\"Valutazione<\/center> <\/p>\n

Rispetto alla versione PostgreSQL 8.4, la velocit\u00e0 di esecuzione delle query di test in PostgreSQL 16 \u00e8 quasi raddoppiata. Ogni nuova versione significativa di PostgreSQL \u00e8 in media pi\u00f9 veloce del 15% rispetto alla precedente durante i test JOB.
\n
Fonte: opennet.ru<\/a> <\/p>","protected":false,"gt_translate_keys":[{"key":"rendered","format":"html"}]},"excerpt":{"rendered":"

\u0420\u0430\u0439\u0430\u043d \u041c\u0430\u0440\u043a\u0443\u0441 (Ryan Marcus), \u0440\u0430\u0437\u0440\u0430\u0431\u043e\u0442\u0447\u0438\u043a \u044d\u043a\u0441\u043f\u0435\u0440\u0438\u043c\u0435\u043d\u0442\u0430\u043b\u044c\u043d\u043e\u0433\u043e \u043e\u043f\u0442\u0438\u043c\u0438\u0437\u0430\u0442\u043e\u0440\u0430 Bao \u0434\u043b\u044f PostgreSQL, \u0432 \u043a\u043e\u0442\u043e\u0440\u043e\u043c \u0438\u0441\u043f\u043e\u043b\u044c\u0437\u0443\u0435\u0442\u0441\u044f \u043c\u0430\u0448\u0438\u043d\u043d\u043e\u0435 \u043e\u0431\u0443\u0447\u0435\u043d\u0438\u0435 \u0434\u043b\u044f \u043e\u043f\u0442\u0438\u043c\u0438\u0437\u0430\u0446\u0438\u0438 \u0432\u044b\u043f\u043e\u043b\u043d\u0435\u043d\u0438\u044f \u0437\u0430\u043f\u0440\u043e\u0441\u043e\u0432, \u043e\u043f\u0443\u0431\u043b\u0438\u043a\u043e\u0432\u0430\u043b \u0440\u0435\u0437\u0443\u043b\u044c\u0442\u0430\u0442\u044b \u0442\u0435\u0441\u0442\u0438\u0440\u043e\u0432\u0430\u043d\u0438\u044f \u043f\u0440\u043e\u0438\u0437\u0432\u043e\u0434\u0438\u0442\u0435\u043b\u044c\u043d\u043e\u0441\u0442\u0438 \u0448\u0442\u0430\u0442\u043d\u043e\u0433\u043e \u043e\u043f\u0442\u0438\u043c\u0438\u0437\u0430\u0442\u043e\u0440\u0430 \u0437\u0430\u043f\u0440\u043e\u0441\u043e\u0432 PostgreSQL. \u0422\u0435\u0441\u0442\u0438\u0440\u043e\u0432\u0430\u043d\u0438\u0435 \u043e\u0445\u0432\u0430\u0442\u044b\u0432\u0430\u043b\u043e \u0432\u0435\u0442\u043a\u0438 PostgreSQL, \u043d\u0430\u0447\u0438\u043d\u0430\u044f \u0441 8.4 (2009 \u0433\u043e\u0434) \u0438 \u0437\u0430\u043a\u0430\u043d\u0447\u0438\u0432\u0430\u044f 16 (2023 \u0433\u043e\u0434). \u041f\u0440\u043e\u0438\u0437\u0432\u043e\u0434\u0438\u0442\u0435\u043b\u044c\u043d\u043e\u0441\u0442\u044c \u0438\u0437\u043c\u0435\u0440\u044f\u043b\u0430\u0441\u044c \u043f\u0440\u0438 \u043f\u043e\u043c\u043e\u0449\u0438 \u043a\u043e\u043b\u043b\u0435\u043a\u0446\u0438\u0438 JOB (join order benchmark), \u0432\u043a\u043b\u044e\u0447\u0430\u044e\u0449\u0435\u0439 \u0431\u043e\u043b\u0435\u0435 100 \u0441\u043b\u043e\u0436\u043d\u044b\u0445 \u0437\u0430\u043f\u0440\u043e\u0441\u043e\u0432 […]<\/p>\n","protected":false,"gt_translate_keys":[{"key":"rendered","format":"html"}]},"author":1,"featured_media":115239,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[702],"tags":[],"class_list":["post-115238","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-novosti-interneta"],"aioseo_notices":[],"aioseo_head":"\n\t\t\n\t\n\t\n\t\n\t\n\t\n\t\t\n\t\t\n\t\t\n\t\t\n\t\t\n\t\t\n\t\t\n\t\t\n\t\t\n\t\t\n\t\t\n\t\t\n\t\t\n\t\t\n\t\t\n\n","aioseo_head_json":{"title":"\ud83e\udd47 Valutazione del cambiamento delle prestazioni del DBMS PostgreSQL negli ultimi 15 anni | ProHoster","description":"Ryan Marcus, sviluppatore dell'ottimizzatore sperimentale Bao per PostgreSQL, che utilizza l'apprendimento automatico per ottimizzare l'esecuzione delle query, ha pubblicato i risultati dei test delle prestazioni dell'ottimizzatore di query standard di PostgreSQL. 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