{"id":101218,"date":"2021-09-07T22:22:36","date_gmt":"2021-09-07T20:22:36","guid":{"rendered":"https:\/\/prohoster.info\/blog\/novosti-interneta\/vypusk-subd-tarantool-2-8"},"modified":"2021-09-07T22:22:36","modified_gmt":"2021-09-07T20:22:36","slug":"vypusk-subd-tarantool-2-8","status":"publish","type":"post","link":"https:\/\/prohoster.info\/it\/blog\/news\/vypusk-subd-tarantool-2-8","title":{"rendered":"Uscita del database Tarantool 2.8","gt_translate_keys":[{"key":"rendered","format":"text"}]},"content":{"rendered":"<p>\u00c8 disponibile una nuova versione del database Tarantool 2.8, che offre una memorizzazione permanente dei dati con accesso alle informazioni dalla memoria volatile (in-memory database). Il database combina l'alta velocit\u00e0 di elaborazione delle richieste tipica dei sistemi NoSQL (ad esempio, Memcached e Redis) con l'affidabilit\u00e0 dei tradizionali database (Oracle, MySQL e PostgreSQL). Tarantool \u00e8 scritto in C e consente la creazione di procedure memorizzate in Lua. Il codice \u00e8 distribuito con licenza BSD.    <\/p>\n<p>Il database consente di lavorare in modo efficace con grandi volumi di dati sotto carichi elevati. Tra le caratteristiche di Tarantool c'\u00e8 la possibilit\u00e0 di creare gestori in Lua (con LuaJIT integrato), l'uso del formato MessagePack per lo scambio di dati con il cliente, la presenza di due motori integrati (memorizzazione in RAM con scarico su uno storage permanente e storage su disco a due livelli basato su LSM-tree), supporto per chiavi secondarie, quattro tipi di indici (HASH, TREE, RTREE, BITSET), strumenti per la replicazione sincrona e asincrona in modalit\u00e0 master-master, supporto per l'autenticazione delle connessioni e gestione degli accessi, e la possibilit\u00e0 di elaborare query SQL.    <\/p>\n<p>Principali cambiamenti:  <\/p>\n<ul>\n<li class=\"l\"> Stabilizzazione MVCC (Multi-Version Concurrency Control) nel motore in-memory memtx.\n<li class=\"l\"> Supporto per la transazionalit\u00e0 nel protocollo binario IPROTO. Prima era necessario scrivere una procedura memorizzata in Lua per le transazioni.\n<li class=\"l\"> Supporto per la replicazione sincrona, che funziona collegata a singole tabelle.\n<li class=\"l\"> Meccanismo di failover automatico basato sul protocollo RAFT. In Tarantool era gi\u00e0 stata implementata la replicazione WAL-based asincrona, ora non \u00e8 pi\u00f9 necessario monitorare manualmente il nodo master.\n<li class=\"l\"> Il commutatore automatico del nodo master \u00e8 disponibile anche in caso di topologie con segmentazione (sharding) dei dati (si utilizza la libreria vshard, che distribuisce i dati sui server attraverso contenitori virtuali (bucket)).\n<li class=\"l\"> Miglioramento del framework per la creazione di applicazioni cluster Tarantool Cartridge quando si opera in ambienti virtuali. Tarantool Cartridge ora gestisce meglio i carichi.\n<li class=\"l\"> Accelerato il lavoro del ruolo Ansible per il deployment di cluster fino a 15-20 volte. Di conseguenza, la gestione di grandi cluster \u00e8 diventata pi\u00f9 semplice.\n<li class=\"l\"> \u00c8 stato introdotto uno strumento per semplificare la migrazione dalle versioni precedenti &gt;1.6 e &lt; 1.10, disponibile tramite un&#039;opzione aggiuntiva all&#039;avvio. In precedenza, la migrazione doveva essere effettuata tramite il rilascio di una versione intermedia 1.10.\n<li class=\"l\"> Ottimizzazione della memorizzazione di piccole tuple completata.\n<li class=\"l\"> Il supporto per UUID \u00e8 stato implementato in SQL e \u00e8 stato migliorato il conversione dei tipi.  <\/ul>\n<p>\u0421\u0442\u043e\u0438\u0442 \u043e\u0442\u043c\u0435\u0442\u0438\u0442\u044c, \u0447\u0442\u043e \u043d\u0430\u0447\u0438\u043d\u0430\u044f \u0441 \u0432\u0435\u0440\u0441\u0438\u0438 2.10 \u0431\u0443\u0434\u0435\u0442 \u043e\u0441\u0443\u0449\u0435\u0441\u0442\u0432\u043b\u0451\u043d \u043f\u0435\u0440\u0435\u0445\u043e\u0434 \u043d\u0430 \u043d\u043e\u0432\u0443\u044e \u043f\u043e\u043b\u0438\u0442\u0438\u043a\u0443 \u0444\u043e\u0440\u043c\u0438\u0440\u043e\u0432\u0430\u043d\u0438\u044f \u0440\u0435\u043b\u0438\u0437\u043e\u0432. \u041f\u0440\u0438 \u0437\u043d\u0430\u0447\u0438\u0442\u0435\u043b\u044c\u043d\u044b\u0445 \u0432\u044b\u043f\u0443\u0441\u043a\u0430\u0445 \u0441 \u043d\u0430\u0440\u0443\u0448\u0435\u043d\u0438\u0435\u043c \u043e\u0431\u0440\u0430\u0442\u043d\u043e\u0439 \u0441\u043e\u0432\u043c\u0435\u0441\u0442\u0438\u043c\u043e\u0441\u0442\u0438 \u0431\u0443\u0434\u0435\u0442 \u043c\u0435\u043d\u044f\u0442\u044c\u0441\u044f \u043f\u0435\u0440\u0432\u0430\u044f \u0446\u0438\u0444\u0440\u0430 \u0432\u0435\u0440\u0441\u0438\u0438, \u043f\u0440\u0438 \u043f\u0440\u043e\u043c\u0435\u0436\u0443\u0442\u043e\u0447\u043d\u044b\u0445 &#8212; \u0432\u0442\u043e\u0440\u0430\u044f, \u0430 \u043f\u0440\u0438 \u043a\u043e\u0440\u0440\u0435\u043a\u0442\u0438\u0440\u0443\u044e\u0449\u0438\u0445 &#8212; \u0442\u0440\u0435\u0442\u044c\u044f (\u043f\u043e\u0441\u043b\u0435 2.10 \u0431\u0443\u0434\u0435\u0442 \u0432\u044b\u043f\u0443\u0449\u0435\u043d \u0440\u0435\u043b\u0438\u0437 3.0.0).<br \/>\n<br \/>Fonte: <a content=\"nofollow\" rel=\"nofollow\" href=\"https:\/\/www.opennet.ru\/opennews\/art.shtml?num=55754\">opennet.ru<\/a> <\/p>","protected":false,"gt_translate_keys":[{"key":"rendered","format":"html"}]},"excerpt":{"rendered":"<p>\u0414\u043e\u0441\u0442\u0443\u043f\u043d\u0430 \u043d\u043e\u0432\u0430\u044f \u0432\u0435\u0440\u0441\u0438\u044f \u0421\u0423\u0411\u0414 Tarantool 2.8, \u043e\u0431\u0435\u0441\u043f\u0435\u0447\u0438\u0432\u0430\u044e\u0449\u0435\u0439 \u043f\u043e\u0441\u0442\u043e\u044f\u043d\u043d\u043e\u0435 \u0445\u0440\u0430\u043d\u0435\u043d\u0438\u044f \u0434\u0430\u043d\u043d\u044b\u0445 \u0441 \u043e\u0442\u0434\u0430\u0447\u0435\u0439 \u0438\u043d\u0444\u043e\u0440\u043c\u0430\u0446\u0438\u0438 \u0438\u0437 \u043e\u043f\u0435\u0440\u0430\u0442\u0438\u0432\u043d\u043e\u0439 \u043f\u0430\u043c\u044f\u0442\u0438 (in-memory database). \u0421\u0423\u0411\u0414 \u0441\u043e\u0447\u0435\u0442\u0430\u0435\u0442 \u0432\u044b\u0441\u043e\u043a\u0443\u044e \u0441\u043a\u043e\u0440\u043e\u0441\u0442\u044c \u043e\u0431\u0440\u0430\u0431\u043e\u0442\u043a\u0438 \u0437\u0430\u043f\u0440\u043e\u0441\u043e\u0432, \u0445\u0430\u0440\u0430\u043a\u0442\u0435\u0440\u043d\u0443\u044e \u0434\u043b\u044f NoSQL-\u0441\u0438\u0441\u0442\u0435\u043c (\u043d\u0430\u043f\u0440\u0438\u043c\u0435\u0440, Memcached \u0438 Redis), c \u043d\u0430\u0434\u0435\u0436\u043d\u043e\u0441\u0442\u044c\u044e \u0442\u0440\u0430\u0434\u0438\u0446\u0438\u043e\u043d\u043d\u044b\u0445 \u0421\u0423\u0411\u0414 (Oracle, MySQL \u0438 PostgreSQL). Tarantool \u043d\u0430\u043f\u0438\u0441\u0430\u043d \u043d\u0430 \u044f\u0437\u044b\u043a\u0435 C \u0438 \u043f\u043e\u0437\u0432\u043e\u043b\u044f\u0435\u0442 \u0441\u043e\u0437\u0434\u0430\u0432\u0430\u0442\u044c \u0445\u0440\u0430\u043d\u0438\u043c\u044b\u0435 \u043f\u0440\u043e\u0446\u0435\u0434\u0443\u0440\u044b \u043d\u0430 \u044f\u0437\u044b\u043a\u0435 Lua. \u041a\u043e\u0434 \u0440\u0430\u0441\u043f\u0440\u043e\u0441\u0442\u0440\u0430\u043d\u044f\u0435\u0442\u0441\u044f \u043f\u043e\u0434 [&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-101218","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\" 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