{"id":116976,"date":"2024-07-06T09:34:41","date_gmt":"2024-07-06T07:34:41","guid":{"rendered":"https:\/\/prohoster.info\/blog\/novosti-interneta\/postgres-pro-shardman-obnovlenie-subd-dlya-krupnyh-predpriyatij"},"modified":"2024-07-06T09:34:41","modified_gmt":"2024-07-06T07:34:41","slug":"postgres-pro-shardman-obnovlenie-subd-dlya-krupnyh-predpriyatij","status":"publish","type":"post","link":"https:\/\/prohoster.info\/sv\/blog\/news\/postgres-pro-shardman-obnovlenie-subd-dlya-krupnyh-predpriyatij","title":{"rendered":"Postgres Pro Shardman: uppdatering av databashanteraren f\u00f6r stora f\u00f6retag","gt_translate_keys":[{"key":"rendered","format":"text"}]},"content":{"rendered":"<p>Postgres Professional, den ledande ryska utvecklaren av databashanteringssystem, meddelar om lanseringen av mindre uppdateringar f\u00f6r Postgres Pro Shardman version 14.12.1.<\/p>\n<p> <noindex><noindex><\/p>\n<p><a rel=\"nofollow\" href=\"https:\/\/postgrespro.ru\/products\/shardman\">Postgres Pro Shardman<\/a> \u2013 en ny distribuerad relationsdatabas f\u00f6r h\u00f6gbelastade system, l\u00e4mplig f\u00f6r de st\u00f6rsta installationerna p\u00e5 tiotals och hundratals TB, d\u00e4r en enda server inte r\u00e4cker. Databasen m\u00f6jligg\u00f6r delning av data i delar som sprids \u00f6ver olika servrar \u2013 shards. Samtidigt erbjuder l\u00f6sningen inbyggd redundans och garanterad efterlevnad av ACID-kraven: atomicitet, konsistens, isolering och best\u00e4ndighet.<\/p>\n<p><\/noindex><\/noindex> <\/p>\n<p>I det senaste sl\u00e4ppet av Postgres Pro Shardman har nya funktioner lagts till, prestandan har f\u00f6rb\u00e4ttrats och vissa fel har r\u00e4ttats. Bland de viktigaste f\u00f6r\u00e4ndringarna:<\/p>\n<p><strong>K\u00e4rna och till\u00e4gg<\/strong><\/p>\n<ul>\n<li>En ny parameter REMOTE har lagts till EXPLAIN-kommandot, vilket till\u00e5ter att EXPLAIN visar resultatet f\u00f6r fr\u00e5gor som k\u00f6rs p\u00e5 en fj\u00e4rrserver. Som standard \u00e4r den aktiverad.<\/li>\n<li>Egna logik f\u00f6r kostnadsv\u00e4rdering av planer har implementerats. Denna logik g\u00f6r att planl\u00e4ggaren oftare kan v\u00e4lja gemensamma planer vid likhet mellan allm\u00e4nna och specialiserade planer.<\/li>\n<li>St\u00f6d f\u00f6r att undanta sektioner under exekvering har lagts till f\u00f6r planens noder som utf\u00f6r databasaggregering p\u00e5 externa servrar. Optimeringen \u00e4r s\u00e4rskilt n\u00f6dv\u00e4ndig f\u00f6r att ta bort sektioner i gemensamma planer.<\/li>\n<li>Ackumulerande metrik \u00f6ver n\u00e4tverkstrafik mellan noder i Shardman-klustret har lagts till i vy <a rel=\"nofollow\" href=\"https:\/\/repo.postgrespro.ru\/doc\/sdm\/14.12.1\/ru\/html\/shardman-views.html#SHARDMAN-PG-STAT-NETUSAGE\">shardman.pg_stat_netusage<\/a>.<\/li>\n<li>Vyn pg_stat_activity har uppdaterats, och visar nu statusen f\u00f6r de processer som hanterar Shardman.<\/li>\n<\/ul>\n<p><strong>F\u00f6rvaltningsverktyg<\/strong><\/p>\n<ul>\n<li>S\u00e5rbarheter CVE-2023-45288 och CVE-2023-44487 har \u00e5tg\u00e4rdats.<\/li>\n<li>Fel i kommandot <a rel=\"nofollow\" href=\"https:\/\/repo.postgrespro.ru\/doc\/sdm\/14.12.1\/ru\/html\/app-shardmanctl.html#APP-SHARDMANCTL-CLEANUP\">shardmanctl cleanup<\/a>, vilket ledde till att grupper av replikation inte kunde tas bort, har \u00e5tg\u00e4rdats.<\/li>\n<li>Utdata fr\u00e5n kommandot <a rel=\"nofollow\" href=\"https:\/\/repo.postgrespro.ru\/doc\/sdm\/14.12.1\/ru\/html\/app-shardmanctl.html#APP-SHARDMANCTL-FORALL\">shardmanctl forall<\/a> har f\u00f6rb\u00e4ttrats med tomma resultat.<\/li>\n<li>En krasch i verktyget <a rel=\"nofollow\" href=\"https:\/\/repo.postgrespro.ru\/doc\/sdm\/14.12.1\/ru\/html\/app-shardmand.html\">shardmand<\/a>, som tidigare intr\u00e4ffade om Shardman-klustret inte var helt konfigurerat, har \u00e5tg\u00e4rdats.<\/li>\n<\/ul>\n<p>K\u00e4lla: <a \ncontent=\"nofollow\" rel=\"nofollow\" href=\"https:\/\/www.linux.org.ru\/news\/proprietary\/17653564\">linux.org.ru<\/a><\/p>","protected":false,"gt_translate_keys":[{"key":"rendered","format":"html"}]},"excerpt":{"rendered":"<p>Postgres Professional, \u0432\u0435\u0434\u0443\u0449\u0438\u0439 \u0440\u043e\u0441\u0441\u0438\u0439\u0441\u043a\u0438\u0439 \u0421\u0423\u0411\u0414-\u0440\u0430\u0437\u0440\u0430\u0431\u043e\u0442\u0447\u0438\u043a, \u043e\u0431\u044a\u044f\u0432\u043b\u044f\u0435\u0442 \u043e \u0432\u044b\u043f\u0443\u0441\u043a\u0435 \u043c\u0438\u043d\u043e\u0440\u043d\u044b\u0445 \u043e\u0431\u043d\u043e\u0432\u043b\u0435\u043d\u0438\u0439 Postgres Pro Shardman \u0432\u0435\u0440\u0441\u0438\u0438 14.12.1. Postgres Pro Shardman \u2014 \u043d\u043e\u0432\u0430\u044f \u0440\u0430\u0441\u043f\u0440\u0435\u0434\u0435\u043b\u0451\u043d\u043d\u0430\u044f \u0440\u0435\u043b\u044f\u0446\u0438\u043e\u043d\u043d\u0430\u044f \u0421\u0423\u0411\u0414 \u0434\u043b\u044f \u0432\u044b\u0441\u043e\u043a\u043e\u043d\u0430\u0433\u0440\u0443\u0436\u0435\u043d\u043d\u044b\u0445 \u0441\u0438\u0441\u0442\u0435\u043c, \u043f\u043e\u0434\u0445\u043e\u0434\u0438\u0442 \u0434\u043b\u044f \u043a\u0440\u0443\u043f\u043d\u0435\u0439\u0448\u0438\u0445 \u0438\u043d\u0441\u0442\u0430\u043b\u043b\u044f\u0446\u0438\u0439 \u0432 \u0434\u0435\u0441\u044f\u0442\u043a\u0438 \u0438 \u0441\u043e\u0442\u043d\u0438 \u0422\u0411, \u043a\u043e\u0433\u0434\u0430 \u043e\u0434\u0438\u043d\u043e\u0447\u043d\u043e\u0433\u043e \u0441\u0435\u0440\u0432\u0435\u0440\u0430 \u043d\u0435\u0434\u043e\u0441\u0442\u0430\u0442\u043e\u0447\u043d\u043e. \u0421\u0423\u0411\u0414 \u043f\u043e\u0437\u0432\u043e\u043b\u044f\u0435\u0442 \u0440\u0430\u0437\u0434\u0435\u043b\u0438\u0442\u044c \u0434\u0430\u043d\u043d\u044b\u0435 \u043d\u0430 \u0447\u0430\u0441\u0442\u0438 \u0438 \u0440\u0430\u0441\u043f\u0440\u0435\u0434\u0435\u043b\u0438\u0442\u044c \u0438\u0445 \u043f\u043e \u0440\u0430\u0437\u043d\u044b\u043c \u0441\u0435\u0440\u0432\u0435\u0440\u0430\u043c \u2014 \u0448\u0430\u0440\u0434\u0430\u043c. \u041f\u0440\u0438 \u044d\u0442\u043e\u043c [&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-116976","post","type-post","status-publish","format-standard","hentry","category-news"],"aioseo_notices":[],"aioseo_head":"\n\t\t<!-- All in One SEO 5.0.4 - aioseo.com -->\n\t<meta name=\"description\" content=\"Postgres Professional, \u0432\u0435\u0434\u0443\u0449\u0438\u0439 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