{"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\/sv\/blog\/news\/vypusk-subd-redis-8-2","title":{"rendered":"Utg\u00e5van av databashanterare Redis 8.2","gt_translate_keys":[{"key":"rendered","format":"text"}]},"content":{"rendered":"<p>Utg\u00e5van av databashanterare Redis 8.2 har publicerats, som tillh\u00f6r klassen NoSQL-system. Redis erbjuder funktioner f\u00f6r lagring av data i nyckel\/v\u00e4rde-format, ut\u00f6kat med st\u00f6d f\u00f6r strukturerade dataformat, s\u00e5som listor, hash och m\u00e4ngder, samt m\u00f6jligheten att k\u00f6ra skriptbehandlare p\u00e5 serversidan med Lua. Projektkoden \u00e4r skriven i C och distribueras under AGPLv3-licens.    <\/p>\n<p>Databashanteraren Redis st\u00f6der transaktioner som g\u00f6r det m\u00f6jligt att utf\u00f6ra en grupp kommandon i ett enda steg, vilket garanterar konsistens och sekvens (kommandon fr\u00e5n andra f\u00f6rfr\u00e5gningar kan inte avbryta) n\u00e4r ett givet upps\u00e4ttning kommandon exekveras, och m\u00f6jligheten att rulla tillbaka \u00e4ndringar vid problem. All data cachas helt i RAM. Klientbibliotek finns tillg\u00e4ngliga f\u00f6r de flesta popul\u00e4ra spr\u00e5ken, inklusive Perl, Python, PHP, Java, Ruby och Tcl.     <\/p>\n<p>F\u00f6r datahantering finns kommandon som inkrementera\/Decrementera, standardoperationer f\u00f6r listor och m\u00e4ngder (f\u00f6rening, snitt), omd\u00f6pning av nycklar, multipla urval och sorteringsfunktioner. Tv\u00e5 lagringsl\u00e4gen st\u00f6ds: periodisk synkronisering av data till disk och loggning av \u00e4ndringar p\u00e5 disk. I det andra fallet garanteras fullst\u00e4ndig bevarande av alla \u00e4ndringar. Master-slave replicering av data kan ordnas p\u00e5 flera <a class=\"wpil_keyword_link\" href=\"https:\/\/prohoster.info\/sv\/server\/\"   title=\"servrar\" data-wpil-keyword-link=\"linked\"  data-wpil-monitor-id=\"1778\">servrar<\/a>, som utf\u00f6rs i icke-blockerande l\u00e4ge. Det finns ocks\u00e5 ett meddelandeutbytesl\u00e4ge &#171;publicering\/prenumeration&#187;, d\u00e4r en kanal skapas, vars meddelanden sprids till kunderna enligt prenumeration.      <\/p>\n<p>Nyckel\u00e4ndringar i Redis 8.2:   <\/p>\n<ul>\n<li class=\"l\"> \u00d6ver 70 kommandon har optimerats, vilket g\u00f6r att de nu fungerar snabbare \u00e4n i Redis 8.0. Till exempel har kommandot BITCOUNT blivit 35% snabbare, medan kommandon f\u00f6r listoperationer som LINSERT, LREM och LPOS har \u00f6kat sin hastighet med 25%. 17 av de optimerade kommandona har blivit minst 5% snabbare, och 52 har blivit minst 2% snabbare.     <center><img decoding=\"async\" alt=\"Utg\u00e5van av databashanterare Redis 8.2\" src=\"\/wp-content\/uploads\/2025\/08\/ef607d5c12c5d52f1b5377c0f5fd604f.png\" style=\"display:block;margin: 0 auto;\" \/><\/center>\n<li class=\"l\"> Optimeringar har genomf\u00f6rts i koden f\u00f6r hantering av samtidiga operationer och flertr\u00e5dad in- och utmatning, vilket lett till en 49% \u00f6kning av antalet operationer som kan hanteras per sekund i tester med 8 in- och utmatningstr\u00e5dar med en belastningsf\u00f6rdelning p\u00e5 20% skrivf\u00f6rfr\u00e5gningar och 80% l\u00e4sningar. P\u00e5 en <a class=\"wpil_keyword_link\" href=\"https:\/\/prohoster.info\/sv\/server\/dts-newyork\/\"   title=\"servern\" data-wpil-keyword-link=\"linked\"  data-wpil-monitor-id=\"2821\">servern<\/a> kunde gr\u00e4nsen p\u00e5 1 miljon hanterade operationer per sekund \u00f6verskridas.    <center><img decoding=\"async\" alt=\"Utg\u00e5van av databashanterare Redis 8.2\" src=\"\/wp-content\/uploads\/2025\/08\/70a2f9f52e4a8758bf5ca2b369022264.png\" style=\"display:block;margin: 0 auto;\" \/><\/center>\n<li class=\"l\"> Metoden f\u00f6r lagring av data i nyckel\/v\u00e4rde-format har grundligt f\u00f6r\u00e4ndrats \u2014 en enhetlig struktur, kvobj, anv\u00e4nds nu f\u00f6r lagring, vilket m\u00f6jligg\u00f6r f\u00f6rpackning av nyckelns namn, kort v\u00e4rde och livsl\u00e4ngd i ett enda block av tilldelat minne och klarar sig med en enda referens till denna struktur i hash-tabeller ist\u00e4llet f\u00f6r separata referenser till nycklar, data och TTL. Vid lagring av korta str\u00e4ngv\u00e4rden har den nya metoden minskat minnesanv\u00e4ndningen med 25-37%.        <center><img decoding=\"async\" alt=\"Utg\u00e5van av databashanterare Redis 8.2\" src=\"\/wp-content\/uploads\/2025\/08\/aa3563aab145549f518fae9f32779a9c.jpg\" style=\"display:block;margin: 0 auto;\" \/><\/center>\n<li class=\"l\"> Lagringen av data i JSON-format har optimerats, vilket lett till en minskning av minnesanv\u00e4ndningen med 25-67% vid lagring av heltal och flyttal.\n<li class=\"l\"> Nya kommandon XACKDEL och XDELEX har lagts till i mekanismen Streams, som anv\u00e4nds f\u00f6r bearbetning och lagring av meddelandefl\u00f6den, vilket f\u00f6renklar arbetet med fl\u00f6den som har flera mottagare (consumer groups). Kommandona l\u00f6ser problemet med att ta bort ett meddelande f\u00f6rst efter att dess mottagande har bekr\u00e4ftats av alla behandlare.\n<li class=\"l\"> Nya logiska operatorer DIFF, DIFF1, ANDOR och ONE har lagts till i kommandot BITOP, som \u00e4r avsett f\u00f6r utf\u00f6rande av bitoperationer.\n<li class=\"l\"> En ny typ av vektorindex, SVS-VAMANA, har lagts till och st\u00f6der komprimering av vektorer.\n<li class=\"l\"> Nya m\u00e4tv\u00e4rden har lagts till: belastning \u00f6ver individuella platser och f\u00f6rdelning av nyckelstorlekar f\u00f6r grundl\u00e4ggande datatyper.        <\/ul>\n<p>K\u00e4lla: <a content=\"nofollow\" rel=\"nofollow\" href=\"https:\/\/www.opennet.ru\/opennews\/art.shtml?num=63709\">opennet.ru<\/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 5.0.4 - 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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