{"id":140411,"date":"2025-08-11T17:12:00","date_gmt":"2025-08-11T15:12:01","guid":{"rendered":"https:\/\/prohoster.info\/blog\/novosti-interneta\/vypusk-subd-redis-8-2"},"modified":"2025-08-11T17:12:00","modified_gmt":"2025-08-11T15:12:01","slug":"vypusk-subd-redis-8-2","status":"publish","type":"post","link":"https:\/\/prohoster.info\/ro\/blog\/news\/vypusk-subd-redis-8-2","title":{"rendered":"Lansarea SGBD-ului Redis 8.2","gt_translate_keys":[{"key":"rendered","format":"text"}]},"content":{"rendered":"<p>A fost publicat\u0103 versiunea SGBD Redis 8.2, care apar\u021bine clasei sistemelor NoSQL. Redis ofer\u0103 func\u021bii pentru stocarea datelor \u00een format cheie\/valoare, extinse cu suport pentru formate de date structurate, cum ar fi liste, h\u0103r\u021bi \u0219i mul\u021bimi, precum \u0219i posibilitatea de a executa scripturi de procesare pe server \u00een limbajul Lua. Codul proiectului este scris \u00een limbajul C \u0219i este distribuit sub licen\u021ba AGPLv3.    <\/p>\n<p>Sistemul de gestionare a bazelor de date Redis suport\u0103 tranzac\u021bii, care permit executarea unui grup de comenzi \u00eentr-o singur\u0103 etap\u0103, garant\u00e2nd coeren\u021ba \u0219i ordonarea (comenzile din alte cereri nu pot interveni) execu\u021biei unui set specific de comenzi, iar \u00een caz de probleme, permit\u00e2nd anularea modific\u0103rilor. Toate datele sunt stocate complet \u00een memoria RAM. Bibliotecile client sunt disponibile pentru majoritatea limbajelor populare, inclusiv Perl, Python, PHP, Java, Ruby \u0219i Tcl.     <\/p>\n<p>Pentru gestionarea datelor, sunt disponibile comenzi precum incrementare\/decrementare, opera\u021bii standard asupra listelor \u0219i mul\u021bimilor (unire, intersec\u021bie), redenumirea cheilor, selec\u021bii multiple \u0219i func\u021bii de sortare. Sunt suportate dou\u0103 moduri de stocare: sincronizarea periodic\u0103 a datelor pe disc \u0219i p\u0103strarea unui jurnal de modific\u0103ri pe disc. \u00cen cel de-al doilea caz, se garanteaz\u0103 integritatea complet\u0103 a tuturor modific\u0103rilor. Este posibil\u0103 organizarea replic\u0103rii master-slave a datelor pe mai multe <a class=\"wpil_keyword_link\" href=\"https:\/\/prohoster.info\/ro\/server\/\"   title=\"servere\" data-wpil-keyword-link=\"linked\"  data-wpil-monitor-id=\"1778\">servere<\/a>, realizat\u0103 \u00eentr-un mod non-blocant. De asemenea, este disponibil modul de schimb de mesaje \u201epublicare\/subscriere\u201d, \u00een care se creeaz\u0103 un canal, mesajele din care sunt distribuite clien\u021bilor pe baza abona\u021biei.      <\/p>\n<p>Schimb\u0103ri cheie \u00een Redis 8.2:   <\/p>\n<ul>\n<li class=\"l\"> S-a realizat optimizarea a peste 70 de comenzi, care acum func\u021bioneaz\u0103 mai repede dec\u00e2t \u00een Redis 8.0. De exemplu, comanda BITCOUNT a devenit mai rapid\u0103 cu 35%, iar comenzile pentru opera\u021biuni cu liste, cum ar fi LINSERT, LREM \u0219i LPOS \u2014 mai rapide cu 25%. 17 dintre comenzile optimizate au devenit mai rapide cu cel pu\u021bin 5%, iar 52 \u2014 cu cel pu\u021bin 2%.     <center><img decoding=\"async\" alt=\"Lansarea SGBD-ului Redis 8.2\" src=\"\/wp-content\/uploads\/2025\/08\/ef607d5c12c5d52f1b5377c0f5fd604f.png\" style=\"display:block;margin: 0 auto;\" \/><\/center>\n<li class=\"l\"> Au fost realizate optimiz\u0103ri ale codului pentru procesarea opera\u021biunilor concurente \u0219i a intr\u0103rilor\/ie\u0219irilor multi-threaded, care au permis cre\u0219terea cu 49% a num\u0103rului de opera\u021biuni procesate pe secund\u0103 \u00een teste cu 8 fire de execu\u021bie, la o distribu\u021bie a sarcinii de 20% pentru cereri de scriere \u0219i 80% pentru citire. Pe un <a class=\"wpil_keyword_link\" href=\"https:\/\/prohoster.info\/ro\/server\/dts-newyork\/\"   title=\"server\" data-wpil-keyword-link=\"linked\"  data-wpil-monitor-id=\"2821\">server<\/a> a reu\u0219it s\u0103 dep\u0103\u0219easc\u0103 limita de 1 milion de opera\u021biuni procesate pe secund\u0103.    <center><img decoding=\"async\" alt=\"Lansarea SGBD-ului Redis 8.2\" src=\"\/wp-content\/uploads\/2025\/08\/70a2f9f52e4a8758bf5ca2b369022264.png\" style=\"display:block;margin: 0 auto;\" \/><\/center>\n<li class=\"l\"> Metoda de stocare a datelor \u00een format cheie\/valoare a fost fundamental schimbat\u0103 \u2014 pentru stocare este utilizat\u0103 acum o structur\u0103 unificat\u0103 kvobj, care permite \u00eempachetarea numelui cheii, a unui valoare scurte \u0219i a timpului de via\u021b\u0103 \u00eentr-un singur bloc de memorie alocat \u0219i baz\u00e2ndu-se pe un singur link c\u0103tre aceast\u0103 structur\u0103 \u00een tabelele hash, \u00een loc de linkuri separate pentru chei, date \u0219i TTL. C\u00e2nd se stocheaz\u0103 valori scurte de tip string, noua metod\u0103 de stocare a permis o reducere a consumului de memorie cu 25-37%.        <center><img decoding=\"async\" alt=\"Lansarea SGBD-ului Redis 8.2\" src=\"\/wp-content\/uploads\/2025\/08\/aa3563aab145549f518fae9f32779a9c.jpg\" style=\"display:block;margin: 0 auto;\" \/><\/center>\n<li class=\"l\"> A fost optimizat\u0103 stocarea datelor \u00een format JSON, reduc\u00e2nd consumul de memorie cu 25-67% la stocarea numerelor \u00eentregi \u0219i a numerelor cu virgul\u0103 mobil\u0103.\n<li class=\"l\"> Mecanismului Streams, aplicat pentru procesarea \u0219i stocarea fluxurilor de mesaje, i-au fost ad\u0103ugate noi comenzi XACKDEL \u0219i XDELEX, simplific\u00e2nd munca cu fluxurile la care sunt conectate mai multe grupuri de consumatori (consumer groups). Aceste comenzi rezolv\u0103 problema \u015ftergerii unui mesaj doar dup\u0103 ce primirea acestuia a fost confirmat\u0103 de to\u021bi procesatorii.\n<li class=\"l\"> \u00cen comanda BITOP, destinat\u0103 efectu\u0103rii opera\u021biunilor bitwise, au fost ad\u0103ugate noi operatori logici DIFF, DIFF1, ANDOR \u0219i ONE.\n<li class=\"l\"> A fost ad\u0103ugat un nou tip de indec\u0219i ai vectorilor SVS-VAMANA, care suport\u0103 compresia vectorilor.\n<li class=\"l\"> Au fost ad\u0103ugate noi metrici: \u00eenc\u0103rcarea pe sloturi individuale \u0219i distribu\u021bia dimensiunilor cheilor pentru tipuri de date de baz\u0103.        <\/ul>\n<p>Sursa: <a content=\"nofollow\" rel=\"nofollow\" href=\"https:\/\/www.opennet.ru\/opennews\/art.shtml?num=63709\">opennet.ro<\/a> <\/p>","protected":false,"gt_translate_keys":[{"key":"rendered","format":"html"}]},"excerpt":{"rendered":"<p>\u041e\u043f\u0443\u0431\u043b\u0438\u043a\u043e\u0432\u0430\u043d \u0440\u0435\u043b\u0438\u0437 \u0421\u0423\u0411\u0414 Redis 8.2, \u043e\u0442\u043d\u043e\u0441\u044f\u0449\u0435\u0439\u0441\u044f \u043a \u043a\u043b\u0430\u0441\u0441\u0443 NoSQL-\u0441\u0438\u0441\u0442\u0435\u043c. Redis \u043f\u0440\u0435\u0434\u043e\u0441\u0442\u0430\u0432\u043b\u044f\u0435\u0442 \u0444\u0443\u043d\u043a\u0446\u0438\u0438 \u0434\u043b\u044f \u0445\u0440\u0430\u043d\u0435\u043d\u0438\u044f \u0434\u0430\u043d\u043d\u044b\u0445 \u0432 \u0444\u043e\u0440\u043c\u0430\u0442\u0435 \u043a\u043b\u044e\u0447\/\u0437\u043d\u0430\u0447\u0435\u043d\u0438\u0435, \u0440\u0430\u0441\u0448\u0438\u0440\u0435\u043d\u043d\u044b\u0435 \u043f\u043e\u0434\u0434\u0435\u0440\u0436\u043a\u043e\u0439 \u0441\u0442\u0440\u0443\u043a\u0442\u0443\u0440\u0438\u0440\u043e\u0432\u0430\u043d\u043d\u044b\u0445 \u0444\u043e\u0440\u043c\u0430\u0442\u043e\u0432 \u0434\u0430\u043d\u043d\u044b\u0445, \u0442\u0430\u043a\u0438\u0445 \u043a\u0430\u043a \u0441\u043f\u0438\u0441\u043a\u0438, \u0445\u044d\u0448\u0438 \u0438 \u043c\u043d\u043e\u0436\u0435\u0441\u0442\u0432\u0430, \u0430 \u0442\u0430\u043a\u0436\u0435 \u0432\u043e\u0437\u043c\u043e\u0436\u043d\u043e\u0441\u0442\u044c\u044e \u0432\u044b\u043f\u043e\u043b\u043d\u0435\u043d\u0438\u044f \u043d\u0430 \u0441\u0442\u043e\u0440\u043e\u043d\u0435 \u0441\u0435\u0440\u0432\u0435\u0440\u0430 \u0441\u043a\u0440\u0438\u043f\u0442\u043e\u0432-\u043e\u0431\u0440\u0430\u0431\u043e\u0442\u0447\u0438\u043a\u043e\u0432 \u043d\u0430 \u044f\u0437\u044b\u043a\u0435 Lua. \u041a\u043e\u0434 \u043f\u0440\u043e\u0435\u043a\u0442\u0430 \u043d\u0430\u043f\u0438\u0441\u0430\u043d \u043d\u0430 \u044f\u0437\u044b\u043a \u0421\u0438 \u0438 \u0440\u0430\u0441\u043f\u0440\u043e\u0441\u0442\u0440\u0430\u043d\u044f\u0435\u0442\u0441\u044f \u043f\u043e\u0434 \u043b\u0438\u0446\u0435\u043d\u0437\u0438\u0435\u0439 AGPLv3. \u0421\u0423\u0411\u0414 Redis \u043f\u043e\u0434\u0434\u0435\u0440\u0436\u0438\u0432\u0430\u0435\u0442 \u0442\u0440\u0430\u043d\u0437\u0430\u043a\u0446\u0438\u0438, [&hellip;]<\/p>\n","protected":false,"gt_translate_keys":[{"key":"rendered","format":"html"}]},"author":1,"featured_media":140412,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[702],"tags":[],"class_list":["post-140411","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-news"],"aioseo_notices":[],"aioseo_head":"\n\t\t<!-- All in One SEO 5.0.5 - aioseo.com -->\n\t<meta name=\"description\" content=\"\u041e\u043f\u0443\u0431\u043b\u0438\u043a\u043e\u0432\u0430\u043d \u0440\u0435\u043b\u0438\u0437 \u0421\u0423\u0411\u0414 Redis 8.2, \u043e\u0442\u043d\u043e\u0441\u044f\u0449\u0435\u0439\u0441\u044f \u043a \u043a\u043b\u0430\u0441\u0441\u0443 NoSQL-\u0441\u0438\u0441\u0442\u0435\u043c.\" \/>\n\t<meta name=\"robots\" content=\"max-image-preview:large\" \/>\n\t<meta name=\"author\" content=\"Yuri Gagarin\"\/>\n\t<link rel=\"canonical\" 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