{"id":95202,"date":"2020-09-26T13:42:02","date_gmt":"2020-09-26T11:42:02","guid":{"rendered":"https:\/\/prohoster.info\/blog\/novosti-interneta\/postgresql-13"},"modified":"2020-09-26T13:42:02","modified_gmt":"2020-09-26T11:42:02","slug":"postgresql-13","status":"publish","type":"post","link":"https:\/\/prohoster.info\/hu\/blog\/news\/postgresql-13","title":{"rendered":"Postgresql 13","gt_translate_keys":[{"key":"rendered","format":"text"}]},"content":{"rendered":"<p>Szeptember 24-\u00e9n a fejleszt\u0151csapat bejelentette a PostgreSQL 13-as verzi\u00f3j\u00e1nak megjelen\u00e9s\u00e9t. Az \u00faj kiad\u00e1sban a teljes\u00edtm\u00e9ny n\u00f6vel\u00e9s\u00e9n, a bels\u0151 karbantart\u00e1si szolg\u00e1ltat\u00e1sok felgyors\u00edt\u00e1s\u00e1n \u00e9s az adatb\u00e1zis egyszer\u0171bb monitoroz\u00e1s\u00e1n k\u00edv\u00fcl a rendszerhez val\u00f3 hozz\u00e1f\u00e9r\u00e9s megb\u00edzhat\u00f3bb ellen\u0151rz\u00e9s\u00e9re is nagyobb hangs\u00falyt fektettek.<\/p>\n<p>Folyamatosan dolgoztak a t\u00e1bl\u00e1k indexel\u00e9s\u00e9nek optimaliz\u00e1l\u00e1s\u00e1n, k\u00fcl\u00f6n\u00f6s figyelmet ford\u00edtva az indexelhet\u0151 adatok k\u00f6z\u00f6tti duplik\u00e1ci\u00f3k kezel\u00e9s\u00e9re a bin\u00e1ris indexf\u00e1kban, ami nemcsak a lek\u00e9rdez\u00e9sek teljes\u00edt\u00e9s\u00e9t gyors\u00edtotta fel, hanem cs\u00f6kkentette az indexelt adatok \u00e1ltal elfoglalt lemezter\u00fcletet is.<br \/>\nEzen k\u00edv\u00fcl hozz\u00e1adtak egy inkrement\u00e1lis rendez\u00e9si algoritmust, amely lehet\u0151v\u00e9 teszi, hogy az el\u0151z\u0151 l\u00e9p\u00e9sekben m\u00e1r rendezett adatok \u00fajrarendez\u00e9se gyorsabban t\u00f6rt\u00e9njen. Egyes lek\u00e9rdez\u00e9sek sebess\u00e9ge pedig a leg\u00fajabb kiterjesztett statisztik\u00e1k (a CREATE STATISTICS parancs r\u00e9v\u00e9n) alkalmaz\u00e1s\u00e1val gyorsulhat az optimaliz\u00e1lt l\u00e9p\u00e9senk\u00e9nti tervez\u00e9s sor\u00e1n.<br \/>\nA k\u00f6lts\u00e9ges adategyes\u00edt\u00e9si lek\u00e9rdez\u00e9sek v\u00e9grehajt\u00e1sa is optimaliz\u00e1lva lett a hashelt aggreg\u00e1ci\u00f3k sz\u00e9lesebb k\u00f6r\u0171 alkalmaz\u00e1s\u00e1val \u00e9s az aggreg\u00e1lt adatok egy r\u00e9sz\u00e9nek lemezre \u00edr\u00e1s\u00e1val, ha azok nem f\u00e9rnek el a mem\u00f3ri\u00e1ban. Jelent\u0151s sebess\u00e9gn\u00f6veked\u00e9st tapasztaltak a k\u00fcl\u00f6nb\u00f6z\u0151 part\u00edci\u00f3kban tal\u00e1lhat\u00f3 t\u00e1bl\u00e1k \u00f6sszekapcsol\u00e1sakor.<\/p>\n<p>Jelent\u0151s fejleszt\u00e9sek t\u00f6rt\u00e9ntek a Postgresql adatb\u00e1zisok karbantart\u00e1s\u00e1nak \u00e9s kezel\u00e9s\u00e9nek egyszer\u0171s\u00edt\u00e9se ter\u00e9n. Az \u00faj be\u00e9p\u00edtett feladat a \u201etakar\u00edt\u00e1s\u201d, azaz a t\u00f6rl\u00e9s vagy fel\u00fcl\u00edr\u00e1s ut\u00e1ni szabad lemezter\u00fclet felhaszn\u00e1l\u00e1sa p\u00e1rhuzamos sz\u00e1lakban v\u00e9gezhet\u0151 el, \u00edgy a rendszergazda megadhatja a sz\u00e1lak sz\u00e1m\u00e1t. Ezen k\u00edv\u00fcl \u00faj eszk\u00f6z\u00f6k ker\u00fcltek bevezet\u00e9sre az aktu\u00e1lis aktivit\u00e1s nyomon k\u00f6vet\u00e9s\u00e9re, \u00e9s a napl\u00f3f\u00e1jlok k\u00f6z\u00f6tti szinkroniz\u00e1l\u00e1si hib\u00e1k megel\u0151z\u00e9s\u00e9re, amelyek konfliktusokhoz vezethettek a replik\u00e1k le\u00e1ll\u00edt\u00e1sakor, vagy megs\u00e9rthett\u00e9k a megosztott adatb\u00e1zis integrit\u00e1s\u00e1t a replik\u00e1k helyre\u00e1ll\u00edt\u00e1sa sor\u00e1n a napl\u00f3datok alapj\u00e1n.<\/p>\n<p>A fejleszt\u0151k sz\u00e1m\u00e1ra a leg\u00fajabb \u00faj\u00edt\u00e1sok k\u00f6z\u00fcl kiemelend\u0151 a datetime() funkci\u00f3, amely k\u00fcl\u00f6nb\u00f6z\u0151 id\u0151form\u00e1tumokat alak\u00edt \u00e1t a Postgresql be\u00e9p\u00edtett t\u00edpus\u00e1v\u00e1; a gy\u00e1rilag el\u00e9rhet\u0151 UUID v4 gen_random_uuid() gener\u00e1l\u00f3 funkci\u00f3; a Unicode-ra vonatkoz\u00f3 munka normaliz\u00e1l\u00e1sa; a t\u00e1bl\u00e1k adatainak rugalmasabb eloszt\u00e1si rendszere a kapcsolt h\u00e1l\u00f3zati csom\u00f3pontokon, teljes logikai szint\u0171 replik\u00e1ci\u00f3val, valamint egy\u00e9b v\u00e1ltoz\u00e1sok a lek\u00e9rdez\u00e9sekben \u00e9s az \u00faj, replik\u00e1knak el\u00e9rhet\u0151 trigger-ekben.<\/p>\n<p>Az adatb\u00e1zisokhoz val\u00f3 hozz\u00e1f\u00e9r\u00e9s-ellen\u0151rz\u00e9se a rendszer egyik kulcsfontoss\u00e1g\u00fa \u00f6sszetev\u0151jek\u00e9nt van megjel\u00f6lve, \u00e9s az \u00faj verzi\u00f3ban ezen a t\u00e9ren jelent\u0151s el\u0151rel\u00e9p\u00e9sek t\u00f6rt\u00e9ntek. Mostant\u00f3l az adatb\u00e1zis kiterjeszt\u00e9seit csak a privil\u00e9giz\u00e1lt felhaszn\u00e1l\u00f3 (superuser) telep\u00edtheti. Ezen fel\u00fcl a norm\u00e1l felhaszn\u00e1l\u00f3k csak azokat a kiterjeszt\u00e9seket telep\u00edthetik, amelyeket megb\u00edzhat\u00f3nak jel\u00f6ltek, vagy egy kis sz\u00e1m\u00fa alap\u00e9rtelmezett megb\u00edzhat\u00f3nak tartott kiterjeszt\u00e9st (p\u00e9ld\u00e1ul pgcrypto, tablefunc vagy hstore). A felhaszn\u00e1l\u00f3k SCRAM mechanizmussal t\u00f6rt\u00e9n\u0151 hiteles\u00edt\u00e9se eset\u00e9n (libpq driveren kereszt\u00fcl) most m\u00e1r \u201ecsatornapin\u201d is sz\u00fcks\u00e9ges, \u00e9s a postgres_fdw k\u00fcls\u0151 adatokra vonatkoz\u00f3 wrapper funkcionalit\u00e1sa a 13-as verzi\u00f3t\u00f3l t\u00e1mogatja a tan\u00fas\u00edtv\u00e1ny alap\u00fa hiteles\u00edt\u00e9st.<\/p>\n<p><noindex><noindex><\/p>\n<p><a rel=\"nofollow\" href=\"https:\/\/www.postgresql.org\/docs\/13\/release-13.html\">Kibocs\u00e1t\u00e1si megjegyz\u00e9sek<\/a><\/p>\n<p><\/noindex><\/noindex><br \/>\n<noindex><\/p>\n<p><a rel=\"nofollow\" href=\"https:\/\/www.postgresql.org\/download\/\">Forr\u00e1sk\u00f3d a GitHubon<\/a><\/p>\n<p><\/noindex><\/p>\n<p>Forr\u00e1s: <a \ncontent=\"nofollow\" rel=\"nofollow\" href=\"http:\/\/www.linux.org.ru\/news\/opensource\/15914558\">linux.org.ru<\/a><\/p>","protected":false,"gt_translate_keys":[{"key":"rendered","format":"html"}]},"excerpt":{"rendered":"<p>24 \u0441\u0435\u043d\u0442\u044f\u0431\u0440\u044f \u043a\u043e\u043c\u0430\u043d\u0434\u0430 \u0440\u0430\u0437\u0440\u0430\u0431\u043e\u0442\u0447\u0438\u043a\u043e\u0432 \u0441\u043e\u043e\u0431\u0449\u0438\u043b\u0430 \u043e \u0432\u044b\u0445\u043e\u0434\u0435 \u043e\u0447\u0435\u0440\u0435\u0434\u043d\u043e\u0433\u043e \u0440\u0435\u043b\u0438\u0437\u0430 Postgresql \u043f\u043e\u0434 \u043d\u043e\u043c\u0435\u0440\u043e\u043c 13. \u0412 \u043d\u043e\u0432\u043e\u043c \u0432\u044b\u043f\u0443\u0441\u043a\u0435 \u043e\u0441\u043d\u043e\u0432\u043d\u043e\u0435 \u0432\u043d\u0438\u043c\u0430\u043d\u0438\u0435, \u0441\u0440\u0435\u0434\u0438 \u043f\u0440\u043e\u0447\u0435\u0433\u043e, \u0431\u044b\u043b\u043e \u0443\u0434\u0435\u043b\u0435\u043d\u043e \u043f\u043e\u0432\u044b\u0448\u0435\u043d\u0438\u044e \u043f\u0440\u043e\u0438\u0437\u0432\u043e\u0434\u0438\u0442\u0435\u043b\u044c\u043d\u043e\u0441\u0442\u0438, \u0443\u0441\u043a\u043e\u0440\u0435\u043d\u0438\u044e \u0432\u043d\u0443\u0442\u0440\u0435\u043d\u043d\u0438\u0445 \u0441\u043b\u0443\u0436\u0431 \u043e\u0431\u0441\u043b\u0443\u0436\u0438\u0432\u0430\u043d\u0438\u044f \u0438 \u0443\u043f\u0440\u043e\u0449\u0435\u043d\u0438\u044e \u043c\u043e\u043d\u0438\u0442\u043e\u0440\u0438\u043d\u0433\u0430 \u0431\u0430\u0437\u044b, \u0430 \u0442\u0430\u043a\u0436\u0435 \u0431\u043e\u043b\u0435\u0435 \u043d\u0430\u0434\u0435\u0436\u043d\u043e\u043c\u0443 \u043a\u043e\u043d\u0442\u0440\u043e\u043b\u044e \u0434\u043e\u0441\u0442\u0443\u043f\u0430 \u043a \u0441\u0438\u0441\u0442\u0435\u043c\u0435. \u041f\u0440\u043e\u0434\u043e\u043b\u0436\u0438\u043b\u0430\u0441\u044c \u0440\u0430\u0431\u043e\u0442\u0430 \u043d\u0430\u0434 \u043e\u043f\u0442\u0438\u043c\u0438\u0437\u0430\u0446\u0438\u0435\u0439 \u0438\u043d\u0434\u0435\u043a\u0441\u0438\u0440\u043e\u0432\u0430\u043d\u0438\u044f \u0442\u0430\u0431\u043b\u0438\u0446 \u0432 \u043f\u043b\u0430\u043d\u0435 \u043e\u0431\u0440\u0430\u0431\u043e\u0442\u043a\u0438 \u0434\u0443\u0431\u043b\u0438\u043a\u0430\u0442\u043e\u0432 \u0441\u0440\u0435\u0434\u0438 \u0438\u043d\u0434\u0435\u043a\u0441\u0438\u0440\u0443\u0435\u043c\u044b\u0445 \u0434\u0430\u043d\u043d\u044b\u0445 \u0432 \u0434\u0432\u043e\u0438\u0447\u043d\u044b\u0445 [&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-95202","post","type-post","status-publish","format-standard","hentry","category-news"],"aioseo_notices":[],"aioseo_head":"\n\t\t<!-- All in One SEO 5.0.3 - aioseo.com -->\n\t<meta name=\"description\" content=\"24 \u0441\u0435\u043d\u0442\u044f\u0431\u0440\u044f \u043a\u043e\u043c\u0430\u043d\u0434\u0430 \u0440\u0430\u0437\u0440\u0430\u0431\u043e\u0442\u0447\u0438\u043a\u043e\u0432 \u0441\u043e\u043e\u0431\u0449\u0438\u043b\u0430 \u043e \u0432\u044b\u0445\u043e\u0434\u0435 \u043e\u0447\u0435\u0440\u0435\u0434\u043d\u043e\u0433\u043e \u0440\u0435\u043b\u0438\u0437\u0430 Postgresql \u043f\u043e\u0434 \u043d\u043e\u043c\u0435\u0440\u043e\u043c 13.\" \/>\n\t<meta name=\"robots\" content=\"max-image-preview:large\" \/>\n\t<meta name=\"author\" content=\"Yuri Gagarin\"\/>\n\t<link rel=\"canonical\" href=\"https:\/\/prohoster.info\/hu\/blog\/news\/postgresql-13\" \/>\n\t\t<meta name=\"generator\" content=\"All in One SEO (AIOSEO) 5.0.3\" \/>\n\t\t<meta property=\"og:locale\" content=\"hu_HU\" \/>\n\t\t<meta property=\"og:site_name\" content=\"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, VPS VDS \u0441\u0435\u0440\u0432\u0435\u0440\u044b\" \/>\n\t\t<meta property=\"og:type\" content=\"article\" \/>\n\t\t<meta property=\"og:title\" content=\"\ud83e\udd47Postgresql 13 | ProHoster\" \/>\n\t\t<meta property=\"og:description\" content=\"24 \u0441\u0435\u043d\u0442\u044f\u0431\u0440\u044f \u043a\u043e\u043c\u0430\u043d\u0434\u0430 \u0440\u0430\u0437\u0440\u0430\u0431\u043e\u0442\u0447\u0438\u043a\u043e\u0432 \u0441\u043e\u043e\u0431\u0449\u0438\u043b\u0430 \u043e \u0432\u044b\u0445\u043e\u0434\u0435 \u043e\u0447\u0435\u0440\u0435\u0434\u043d\u043e\u0433\u043e \u0440\u0435\u043b\u0438\u0437\u0430 Postgresql \u043f\u043e\u0434 \u043d\u043e\u043c\u0435\u0440\u043e\u043c 13.\" \/>\n\t\t<meta property=\"og:url\" content=\"https:\/\/prohoster.info\/hu\/blog\/news\/postgresql-13\" \/>\n\t\t<meta property=\"og:image\" content=\"https:\/\/prohoster.info\/wp-content\/uploads\/2021\/11\/logo-350.jpg\" \/>\n\t\t<meta property=\"og:image:secure_url\" content=\"https:\/\/prohoster.info\/wp-content\/uploads\/2021\/11\/logo-350.jpg\" \/>\n\t\t<meta property=\"og:image:width\" content=\"350\" \/>\n\t\t<meta property=\"og:image:height\" content=\"350\" \/>\n\t\t<meta property=\"article:published_time\" content=\"2020-09-26T11:42:02+00:00\" \/>\n\t\t<meta property=\"article:modified_time\" content=\"2020-09-26T11:42:02+00:00\" \/>\n\t\t<meta property=\"article:publisher\" content=\"https:\/\/www.facebook.com\/prohoster\" \/>\n\t\t<meta property=\"article:author\" content=\"https:\/\/www.facebook.com\/prohoster\" \/>\n\t\t<!-- All in One SEO -->\n\n","aioseo_head_json":{"title":"\ud83e\udd47Postgresql 13 | ProHoster","description":"Szeptember 24-\u00e9n a fejleszt\u0151csapat bejelentette a Postgresql 13-as sz\u00e1m\u00fa leg\u00fajabb kiad\u00e1s\u00e1t.","canonical_url":"https:\/\/prohoster.info\/hu\/blog\/news\/postgresql-13","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, VPS VDS \u0441\u0435\u0440\u0432\u0435\u0440\u044b","og:type":"article","og:title":"\ud83e\udd47Postgresql 13 | ProHoster","og:description":"24 \u0441\u0435\u043d\u0442\u044f\u0431\u0440\u044f \u043a\u043e\u043c\u0430\u043d\u0434\u0430 \u0440\u0430\u0437\u0440\u0430\u0431\u043e\u0442\u0447\u0438\u043a\u043e\u0432 \u0441\u043e\u043e\u0431\u0449\u0438\u043b\u0430 \u043e \u0432\u044b\u0445\u043e\u0434\u0435 \u043e\u0447\u0435\u0440\u0435\u0434\u043d\u043e\u0433\u043e \u0440\u0435\u043b\u0438\u0437\u0430 Postgresql \u043f\u043e\u0434 \u043d\u043e\u043c\u0435\u0440\u043e\u043c 13.","og:url":"https:\/\/prohoster.info\/hu\/blog\/news\/postgresql-13","og:image":"https:\/\/prohoster.info\/wp-content\/uploads\/2021\/11\/logo-350.jpg","og:image:secure_url":"https:\/\/prohoster.info\/wp-content\/uploads\/2021\/11\/logo-350.jpg","og:image:width":350,"og:image:height":350,"article:published_time":"2020-09-26T11:42:02+00:00","article:modified_time":"2020-09-26T11:42:02+00:00","article:publisher":"https:\/\/www.facebook.com\/prohoster","article:author":"https:\/\/www.facebook.com\/prohoster"},"aioseo_meta_data":{"post_id":"95202","title":null,"description":null,"keywords":null,"keyphrases":null,"primary_term":null,"canonical_url":null,"og_title":null,"og_description":null,"og_object_type":"default","og_image_type":"default","og_image_url":null,"og_image_width":null,"og_image_height":null,"og_image_custom_url":null,"og_image_custom_fields":null,"og_video":null,"og_custom_url":null,"og_article_section":null,"og_article_tags":null,"twitter_use_og":false,"twitter_card":"default","twitter_image_type":"default","twitter_image_url":null,"twitter_image_custom_url":null,"twitter_image_custom_fields":null,"twitter_title":null,"twitter_description":null,"schema":{"blockGraphs":[],"customGraphs":[],"default":{"data":{"Article":[],"Course":[],"Dataset":[],"FAQPage":[],"Movie":[],"Person":[],"Product":[],"ProductReview":[],"Car":[],"Recipe":[],"Service":[],"SoftwareApplication":[],"WebPage":[]},"graphName":"","isEnabled":true},"graphs":[]},"schema_type":null,"schema_type_options":null,"pillar_content":false,"robots_default":true,"robots_noindex":false,"robots_noarchive":false,"robots_nosnippet":false,"robots_nofollow":false,"robots_noimageindex":false,"robots_noodp":false,"robots_notranslate":false,"robots_max_snippet":null,"robots_max_videopreview":null,"robots_max_imagepreview":"large","priority":null,"frequency":null,"local_seo":null,"seo_analyzer_scan_date":null,"breadcrumb_settings":null,"limit_modified_date":false,"reviewed_by":null,"ai":null,"created":"2021-02-28 10:25:24","updated":"2022-10-03 07:46:19","focus_keyword":null,"additional_keywords":null,"truseo_locale":null},"gt_translate_keys":[{"key":"link","format":"url"}],"_links":{"self":[{"href":"https:\/\/prohoster.info\/hu\/wp-json\/wp\/v2\/posts\/95202","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/prohoster.info\/hu\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/prohoster.info\/hu\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/prohoster.info\/hu\/wp-json\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"https:\/\/prohoster.info\/hu\/wp-json\/wp\/v2\/comments?post=95202"}],"version-history":[{"count":0,"href":"https:\/\/prohoster.info\/hu\/wp-json\/wp\/v2\/posts\/95202\/revisions"}],"wp:attachment":[{"href":"https:\/\/prohoster.info\/hu\/wp-json\/wp\/v2\/media?parent=95202"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/prohoster.info\/hu\/wp-json\/wp\/v2\/categories?post=95202"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/prohoster.info\/hu\/wp-json\/wp\/v2\/tags?post=95202"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}