{"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\/it\/blog\/news\/postgres-pro-shardman-obnovlenie-subd-dlya-krupnyh-predpriyatij","title":{"rendered":"Postgres Pro Shardman: aggiornamento del DBMS per grandi imprese","gt_translate_keys":[{"key":"rendered","format":"text"}]},"content":{"rendered":"<p>Postgres Professional, principale sviluppatore di DBMS in Russia, annuncia il rilascio di aggiornamenti minori per Postgres Pro Shardman versione 14.12.1.<\/p>\n<p> <noindex><noindex><\/p>\n<p><a rel=\"nofollow\" href=\"https:\/\/postgrespro.ru\/products\/shardman\">Postgres Pro Shardman<\/a> \u2014 un nuovo DBMS relazionale distribuito per sistemi ad alta carico, adatto per installazioni di grandi dimensioni di decine e centinaia di TB, quando un singolo server non \u00e8 sufficiente. Il DBMS permette di suddividere i dati in parti e distribuirli su diversi server \u2014 shard. Nel contempo, la soluzione garantisce alta disponibilit\u00e0 integrata e il rispetto delle propriet\u00e0 ACID: atomicit\u00e0, coerenza, isolamento e durabilit\u00e0.<\/p>\n<p><\/noindex><\/noindex> <\/p>\n<p>Nella nuova versione di Postgres Pro Shardman sono state aggiunte nuove funzionalit\u00e0, migliorata la performance e risolti alcuni bug. Tra le novit\u00e0 principali:<\/p>\n<p><strong>Nucleo e estensioni<\/strong><\/p>\n<ul>\n<li>Aggiunto il parametro REMOTE al comando EXPLAIN, che consente di generare output EXPLAIN per le query eseguite su un server remoto. Attivato per impostazione predefinita.<\/li>\n<li>Implementata una logica di valutazione dei costi dei piani. Questo consente al pianificatore di scegliere pi\u00f9 spesso piani generali in caso di somiglianze tra piani generali e specializzati.<\/li>\n<li>Aggiunta la possibilit\u00e0 di escludere sezioni durante l'esecuzione per i nodi di piano che eseguono aggregazioni di dati su server esterni. Ottimizzazione principalmente necessaria per rimuovere sezioni nei piani generali.<\/li>\n<li>Aggiunte metriche cumulative per il traffico di rete tra i nodi del cluster Shardman nella vista <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>Aggiornata la vista pg_stat_activity, che ora mostra lo stato dei processi di servizio di Shardman.<\/li>\n<\/ul>\n<p><strong>Utilit\u00e0 di gestione<\/strong><\/p>\n<ul>\n<li>Risolte le vulnerabilit\u00e0 CVE-2023-45288 e CVE-2023-44487.<\/li>\n<li>Risolto un errore nel comando <a rel=\"nofollow\" href=\"https:\/\/repo.postgrespro.ru\/doc\/sdm\/14.12.1\/ru\/html\/app-shardmanctl.html#APP-SHARDMANCTL-CLEANUP\">shardmanctl cleanup<\/a>, che impediva l'eliminazione dei gruppi di replica.<\/li>\n<li>Migliorato l'output del comando <a rel=\"nofollow\" href=\"https:\/\/repo.postgrespro.ru\/doc\/sdm\/14.12.1\/ru\/html\/app-shardmanctl.html#APP-SHARDMANCTL-FORALL\">shardmanctl forall<\/a> in caso di risultato vuoto.<\/li>\n<li>Risolto un crash dell'utilit\u00e0 <a rel=\"nofollow\" href=\"https:\/\/repo.postgrespro.ru\/doc\/sdm\/14.12.1\/ru\/html\/app-shardmand.html\">shardmand<\/a>, che si verificava se il cluster Shardman non era completamente configurato.<\/li>\n<\/ul>\n<p>Fonte: <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 5.0.1.1 - aioseo.com -->\n\t<meta name=\"description\" content=\"Postgres Professional, \u0432\u0435\u0434\u0443\u0449\u0438\u0439 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