{"id":103298,"date":"2022-02-11T15:36:48","date_gmt":"2022-02-11T13:36:48","guid":{"rendered":"https:\/\/prohoster.info\/blog\/novosti-interneta\/obnovlenie-postgresql-vypusk-reshape-utility-dlya-migraczii-na-novuyu-shemu-bez-ostanovki-raboty"},"modified":"2022-02-11T15:36:48","modified_gmt":"2022-02-11T13:36:48","slug":"obnovlenie-postgresql-vypusk-reshape-utility-dlya-migraczii-na-novuyu-shemu-bez-ostanovki-raboty","status":"publish","type":"post","link":"https:\/\/prohoster.info\/hu\/blog\/news\/obnovlenie-postgresql-vypusk-reshape-utility-dlya-migraczii-na-novuyu-shemu-bez-ostanovki-raboty","title":{"rendered":"PostgreSQL friss\u00edt\u00e9s. A reshape kiad\u00e1s, eszk\u00f6z az \u00faj s\u00e9ma n\u00e9lk\u00fcli le\u00e1ll\u00e1ssal val\u00f3 migr\u00e1ci\u00f3hoz","gt_translate_keys":[{"key":"rendered","format":"text"}]},"content":{"rendered":"<p>K\u00e9sz\u00fcltek jav\u00edt\u00f3friss\u00edt\u00e9sek az \u00f6sszes t\u00e1mogatott PostgreSQL \u00e1ghoz: 14.2, 13.6, 12.10, 11.15 \u00e9s 10.20, amelyek 55 hib\u00e1t jav\u00edtanak ki az elm\u00falt h\u00e1rom h\u00f3nap sor\u00e1n. K\u00f6zt\u00fck megoldott\u00e1k a probl\u00e9m\u00e1kat, amelyek ritka k\u00f6r\u00fclm\u00e9nyek k\u00f6z\u00f6tt az indexek s\u00e9r\u00fcl\u00e9s\u00e9hez vezettek a HOT (heap-only tuple) l\u00e1ncok m\u00f3dos\u00edt\u00e1sakor a VACUUM v\u00e9grehajt\u00e1sa sor\u00e1n, vagy a REINDEX CONCURRENTLY m\u0171velet v\u00e9grehajt\u00e1sakor azokhoz a t\u00e1bl\u00e1khoz, ahol a TOAST t\u00e1rol\u00e1si mechanizmust haszn\u00e1lj\u00e1k.     <\/p>\n<p>Megsz\u00fcntett\u00e9k a v\u00e1ratlan le\u00e1ll\u00e1sokat az ALTER STATISTICS v\u00e9grehajt\u00e1sakor \u00e9s az adatok multirange t\u00edpusokkal t\u00f6rt\u00e9n\u0151 lek\u00e9rdez\u00e9sekor. A lek\u00e9rdez\u00e9s-\u00fctemez\u0151ben jav\u00edtott\u00e1k azokat a hib\u00e1kat, amelyek helytelen eredm\u00e9nyek megjelen\u00e9s\u00e9hez vezettek. Megoldott\u00e1k a mem\u00f3ria sziv\u00e1rg\u00e1s\u00e1t az indexek kifejez\u00e9sek szerinti friss\u00edt\u00e9sekor \u00e9s a 'REASSIGN OWNED BY' m\u0171velet v\u00e9grehajt\u00e1sakor nagy sz\u00e1m\u00fa objektum eset\u00e9n. Biztos\u00edtva lett a kiterjesztett statisztika k\u00e9sz\u00edt\u00e9se a szegment\u00e1lt t\u00e1bl\u00e1khoz.     <\/p>\n<p>Tov\u00e1bb\u00e1 \u00e9rdemes megeml\u00edteni a reshape seg\u00e9dprogram kiad\u00e1s\u00e1t, amely lehet\u0151v\u00e9 teszi bonyolult adats\u00e9ma friss\u00edt\u00e9sek v\u00e9grehajt\u00e1s\u00e1t PostgreSQL rendszerekben an\u00e9lk\u00fcl, hogy le kellene \u00e1ll\u00edtani a m\u0171k\u00f6d\u00e9st, ami norm\u00e1l k\u00f6r\u00fclm\u00e9nyek k\u00f6z\u00f6tt manu\u00e1lis m\u00f3dos\u00edt\u00e1sokat \u00e9s a szolg\u00e1ltat\u00e1sok ideiglenes le\u00e1ll\u00edt\u00e1s\u00e1t ig\u00e9nyli, amelyek adatb\u00e1zist haszn\u00e1lnak. A seg\u00e9dprogram lehet\u0151s\u00e9get ad arra, hogy az \u00faj adats\u00e9m\u00e1ra an\u00e9lk\u00fcl t\u00e9rjenek \u00e1t, hogy hossz\u00fa blokkol\u00e1sok t\u00f6rt\u00e9nn\u00e9nek, \u00e9s ne szak\u00edtan\u00e1k meg a lek\u00e9rdez\u00e9sek feldolgoz\u00e1si ciklus\u00e1t. A seg\u00e9dprogram automatikusan l\u00e9trehozza a t\u00e1blan\u00e9zeteket, amelyekkel az alkalmaz\u00e1sok a t\u00e1blamigr\u00e1ci\u00f3 sor\u00e1n tov\u00e1bbra is dolgoznak, valamint be\u00e1ll\u00edtja a triggereket, amelyek az adatok hozz\u00e1ad\u00e1s\u00e1t \u00e9s t\u00f6rl\u00e9s\u00e9t k\u00f6zvet\u00edtik a r\u00e9gi \u00e9s \u00faj s\u00e9m\u00e1k k\u00f6z\u00f6tt.     <\/p>\n<p>\u00cdgy a reshape haszn\u00e1lat\u00e1val a migr\u00e1ci\u00f3 sor\u00e1n a r\u00e9gi \u00e9s az \u00faj s\u00e9ma egyidej\u0171leg el\u00e9rhet\u0151 marad, \u00e9s az alkalmaz\u00e1sokat fokozatosan \u00e1t lehet \u00e1ll\u00edtani az \u00faj s\u00e9m\u00e1ra a m\u0171k\u00f6d\u00e9s k\u00f6zben (nagy infrastrukt\u00far\u00e1kban fokozatosan lehet cser\u00e9lni a r\u00e9gi kezel\u0151ket \u00fajra). Miut\u00e1n az alkalmaz\u00e1sokat \u00e1ttett\u00e9k az \u00faj s\u00e9m\u00e1ra, a r\u00e9gi s\u00e9m\u00e1t t\u00e1mogat\u00f3 n\u00e9zetek \u00e9s triggereket t\u00f6rlik. Amennyiben probl\u00e9m\u00e1k mer\u00fcln\u00e9nek fel az alkalmaz\u00e1sokkal a migr\u00e1ci\u00f3 sor\u00e1n, a s\u00e9ma m\u00f3dos\u00edt\u00e1sa visszavonhat\u00f3, \u00e9s visszat\u00e9rhet\u00fcnk a r\u00e9gi \u00e1llapothoz.<br \/>\n<br \/>Forr\u00e1s: <a content=\"nofollow\" rel=\"nofollow\" href=\"https:\/\/www.opennet.ru\/opennews\/art.shtml?num=56677\">opennet.ru<\/a> <\/p>","protected":false,"gt_translate_keys":[{"key":"rendered","format":"html"}]},"excerpt":{"rendered":"<p>\u0421\u0444\u043e\u0440\u043c\u0438\u0440\u043e\u0432\u0430\u043d\u044b \u043a\u043e\u0440\u0440\u0435\u043a\u0442\u0438\u0440\u0443\u044e\u0449\u0438\u0435 \u043e\u0431\u043d\u043e\u0432\u043b\u0435\u043d\u0438\u044f \u0434\u043b\u044f \u0432\u0441\u0435\u0445 \u043f\u043e\u0434\u0434\u0435\u0440\u0436\u0438\u0432\u0430\u0435\u043c\u044b\u0445 \u0432\u0435\u0442\u043e\u043a PostgreSQL: 14.2, 13.6, 12.10, 11.15 \u0438 10.20, \u0432 \u043a\u043e\u0442\u043e\u0440\u044b\u0445 \u0438\u0441\u043f\u0440\u0430\u0432\u043b\u0435\u043d\u043e 55 \u043e\u0448\u0438\u0431\u043e\u043a, \u0432\u044b\u044f\u0432\u043b\u0435\u043d\u043d\u044b\u0445 \u0437\u0430 \u043f\u043e\u0441\u043b\u0435\u0434\u043d\u0438\u0435 \u0442\u0440\u0438 \u043c\u0435\u0441\u044f\u0446\u0430. \u0412 \u0442\u043e\u043c \u0447\u0438\u0441\u043b\u0435 \u0443\u0441\u0442\u0440\u0430\u043d\u0435\u043d\u044b \u043f\u0440\u043e\u0431\u043b\u0435\u043c\u044b, \u043f\u0440\u0438\u0432\u043e\u0434\u0438\u0432\u0448\u0438\u0435 \u043f\u0440\u0438 \u0440\u0435\u0434\u043a\u043e\u043c \u0441\u0442\u0435\u0447\u0435\u043d\u0438\u0438 \u043e\u0431\u0441\u0442\u043e\u044f\u0442\u0435\u043b\u044c\u0441\u0442\u0432 \u043a \u043f\u043e\u0432\u0440\u0435\u0436\u0434\u0435\u043d\u0438\u044e \u0438\u043d\u0434\u0435\u043a\u0441\u043e\u0432 \u043f\u0440\u0438 \u0438\u0437\u043c\u0435\u043d\u0435\u043d\u0438\u0438 \u0446\u0435\u043f\u043e\u0447\u0435\u043a HOT (heap-only tuple) \u0432\u043e \u0432\u0440\u0435\u043c\u044f \u0432\u044b\u043f\u043e\u043b\u043d\u0435\u043d\u0438\u044f \u043e\u043f\u0435\u0440\u0430\u0446\u0438\u0438 VACUUM \u0438\u043b\u0438 \u043f\u0440\u0438 \u0432\u044b\u043f\u043e\u043b\u043d\u0435\u043d\u0438\u0438 \u043e\u043f\u0435\u0440\u0430\u0446\u0438\u0438 REINDEX CONCURRENTLY \u0434\u043b\u044f [&hellip;]<\/p>\n","protected":false,"gt_translate_keys":[{"key":"rendered","format":"html"}]},"author":1,"featured_media":0,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[702],"tags":[],"class_list":["post-103298","post","type-post","status-publish","format-standard","hentry","category-news"],"aioseo_notices":[],"aioseo_head":"\n\t\t<!-- All in One SEO 5.0.3 - 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Reshape kiad\u00e1s, a szolg\u00e1ltat\u00e1s \u00faj s\u00e9m\u00e1ra val\u00f3 migr\u00e1l\u00e1s\u00e1ra an\u00e9lk\u00fcl, hogy le\u00e1llna a m\u0171k\u00f6d\u00e9s | ProHoster","description":"K\u00e9sz\u00fcltek jav\u00edt\u00f3friss\u00edt\u00e9sek az \u00f6sszes t\u00e1mogatott PostgreSQL \u00e1ghoz: 14.2, 13.6, 12.10, 11.15 \u00e9s 10.20, amelyek 55 hib\u00e1t jav\u00edtanak ki az elm\u00falt h\u00e1rom h\u00f3nap sor\u00e1n.","canonical_url":"https:\/\/prohoster.info\/hu\/blog\/news\/obnovlenie-postgresql-vypusk-reshape-utility-dlya-migraczii-na-novuyu-shemu-bez-ostanovki-raboty","robots":"max-image-preview:large","keywords":"","webmasterTools":{"miscellaneous":""},"schema":null,"og:locale":"hu_HU","og:site_name":"ProHoster | \u041a\u0443\u043f\u0438\u0442\u044c \u043d\u0430\u0434\u0435\u0436\u043d\u044b\u0439 \u0445\u043e\u0441\u0442\u0438\u043d\u0433 \u0434\u043b\u044f \u0441\u0430\u0439\u0442\u043e\u0432 \u0441 \u0437\u0430\u0449\u0438\u0442\u043e\u0439 \u043e\u0442 DDoS, 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