{"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\/sk\/blog\/news\/vypusk-subd-redis-8-2","title":{"rendered":"Zverejnenie datab\u00e1zov\u00e9ho syst\u00e9mu Redis 8.2","gt_translate_keys":[{"key":"rendered","format":"text"}]},"content":{"rendered":"<p>Bol zverejnen\u00fd uvedenie datab\u00e1zov\u00e9ho syst\u00e9mu Redis 8.2, ktor\u00fd patr\u00ed do triedy NoSQL syst\u00e9mov. Redis poskytuje funkcie na ukladanie d\u00e1t vo form\u00e1te k\u013e\u00fa\u010d\/hodnota, roz\u0161\u00edren\u00e9 podporou \u0161trukt\u00farovan\u00fdch form\u00e1tov d\u00e1t, ako s\u00fa zoznamy, hash a mno\u017einy, ako aj mo\u017enos\u0165 vykon\u00e1va\u0165 na strane servera skripty spracovate\u013eov v jazyku Lua. K\u00f3d projektu je nap\u00edsan\u00fd v jazyku C a je distribuovan\u00fd pod licenciou AGPLv3.    <\/p>\n<p>Datab\u00e1zov\u00fd syst\u00e9m Redis podporuje transakcie, ktor\u00e9 umo\u017e\u0148uj\u00fa vykona\u0165 v jednom kroku skupinu pr\u00edkazov, zaru\u010duj\u00facich konzistenciu a sekven\u010dnos\u0165 (pr\u00edkazy z in\u00fdch po\u017eiadaviek nem\u00f4\u017eu zasahova\u0165) vykon\u00e1vania zadan\u00e9ho s\u00faboru pr\u00edkazov, a v pr\u00edpade probl\u00e9mov umo\u017e\u0148uj\u00fa sp\u00e4\u0165 zmeny. V\u0161etky d\u00e1ta s\u00fa plne cacheovan\u00e9 v opera\u010dnej pam\u00e4ti. Klientske kni\u017enice s\u00fa k dispoz\u00edcii pre v\u00e4\u010d\u0161inu popul\u00e1rnych jazykov, vr\u00e1tane Perl, Python, PHP, Java, Ruby a Tcl.     <\/p>\n<p>Na spr\u00e1vu \u00fadajov s\u00fa k dispoz\u00edcii tak\u00e9 pr\u00edkazy, ako s\u00fa inkrement\u00e1cia\/dekrement\u00e1cia, \u0161tandardn\u00e9 oper\u00e1cie nad zoznamami a mno\u017einami (zlu\u010dovanie, prienik), premenovanie k\u013e\u00fa\u010dov, viacer\u00e9 v\u00fdbery a funkcie triedenia. Podporuj\u00fa sa dva re\u017eimy ukladania: periodick\u00e1 synchroniz\u00e1cia \u00fadajov na disku a vedenie logu zmien na disku. V druhom pr\u00edpade je garantovan\u00e1 pln\u00e1 ochrana v\u0161etk\u00fdch zmien. Je mo\u017en\u00e9 organizova\u0165 master-slave replik\u00e1ciu \u00fadajov na nieko\u013eko <a class=\"wpil_keyword_link\" href=\"https:\/\/prohoster.info\/sk\/server\/\"   title=\"serverov\" data-wpil-keyword-link=\"linked\"  data-wpil-monitor-id=\"1778\">serverov<\/a>, vykon\u00e1van\u00e1 v neblokuj\u00facom re\u017eime. K dispoz\u00edcii je aj re\u017eim v\u00fdmeny spr\u00e1v \u201epublikovanie\/odber\u201c, pri ktorom sa vytvor\u00ed kan\u00e1l, z ktor\u00e9ho sa spr\u00e1vy \u0161\u00edria klientom na z\u00e1klade predplatn\u00e9ho.      <\/p>\n<p>K\u013e\u00fa\u010dov\u00e9 zmeny v Redis 8.2:   <\/p>\n<ul>\n<li class=\"l\"> Optimaliz\u00e1cia viac ako 70 pr\u00edkazov bola vykonan\u00e1, \u010do umo\u017enilo ich r\u00fdchlej\u0161ie fungovanie ako v Redis 8.0. Napr\u00edklad pr\u00edkaz BITCOUNT sa stal r\u00fdchlej\u0161\u00edm o 35%, zatia\u013e \u010do pr\u00edkazy pre oper\u00e1cie so zoznamami LINSERT, LREM a LPOS \u2014 r\u00fdchlej\u0161ie o 25%. 17 z optimalizovan\u00fdch pr\u00edkazov sa zrychlilo minim\u00e1lne o 5%, a 52 \u2014 minim\u00e1lne o 2%.     <center><img decoding=\"async\" alt=\"Zverejnenie datab\u00e1zov\u00e9ho syst\u00e9mu Redis 8.2\" src=\"\/wp-content\/uploads\/2025\/08\/ef607d5c12c5d52f1b5377c0f5fd604f.png\" style=\"display:block;margin: 0 auto;\" \/><\/center>\n<li class=\"l\"> Optimaliz\u00e1cie k\u00f3du pre spracovanie s\u00fabe\u017en\u00fdch oper\u00e1ci\u00ed a viacvl\u00e1knov\u00e9ho vstupu\/v\u00fdstupu, \u010do umo\u017enilo zv\u00fd\u0161i\u0165 po\u010det spracovan\u00fdch oper\u00e1ci\u00ed za sekundu v testoch s 8 vl\u00e1knami vstupu\/v\u00fdstupu o 49% pri rozdelen\u00ed z\u00e1\u0165a\u017ee 20% po\u017eiadaviek na z\u00e1pis a 80% na \u010d\u00edtanie. Na jednom <a class=\"wpil_keyword_link\" href=\"https:\/\/prohoster.info\/sk\/server\/dts-newyork\/\"   title=\"serveri\" data-wpil-keyword-link=\"linked\"  data-wpil-monitor-id=\"2821\">serveri<\/a> sa podarilo prekona\u0165 hranicu 1 mili\u00f3na spracovan\u00fdch oper\u00e1ci\u00ed za sekundu.    <center><img decoding=\"async\" alt=\"Zverejnenie datab\u00e1zov\u00e9ho syst\u00e9mu Redis 8.2\" src=\"\/wp-content\/uploads\/2025\/08\/70a2f9f52e4a8758bf5ca2b369022264.png\" style=\"display:block;margin: 0 auto;\" \/><\/center>\n<li class=\"l\"> Z\u00e1sadne bol zmenen\u00fd sp\u00f4sob ukladania \u00fadajov v form\u00e1te k\u013e\u00fa\u010d\/hodnota \u2014 na ukladanie sa teraz pou\u017e\u00edva zjednoten\u00e1 \u0161trukt\u00fara kvobj, ktor\u00e1 umo\u017e\u0148uje zabali\u0165 n\u00e1zov k\u013e\u00fa\u010da, kr\u00e1tku hodnotu a \u010das \u017eivotnosti do jedn\u00e9ho bloku pridelen\u00e9 pam\u00e4te a vysta\u010di\u0165 si s jedn\u00fdm odkazom na t\u00fato \u0161trukt\u00faru v hash tabu\u013ek\u00e1ch, namiesto samostatn\u00fdch odkazov na k\u013e\u00fa\u010de, \u00fadaje a TTL. Pri ukladan\u00ed kr\u00e1tkych re\u0165azcov\u00fdch hodn\u00f4t nov\u00fd sp\u00f4sob ukladania umo\u017enil zn\u00ed\u017ei\u0165 spotrebu pam\u00e4te o 25-37%.        <center><img decoding=\"async\" alt=\"Zverejnenie datab\u00e1zov\u00e9ho syst\u00e9mu Redis 8.2\" src=\"\/wp-content\/uploads\/2025\/08\/aa3563aab145549f518fae9f32779a9c.jpg\" style=\"display:block;margin: 0 auto;\" \/><\/center>\n<li class=\"l\"> Optimalizovan\u00e9 ukladanie d\u00e1t vo form\u00e1te JSON, ktor\u00e9 umo\u017enilo zn\u00ed\u017ei\u0165 spotrebu pam\u00e4te o 25-67% pri ukladan\u00ed cel\u00fdch \u010d\u00edsel a \u010d\u00edsel s pohyblivou desatinnou \u010diarkou.\n<li class=\"l\"> Do mechanizmu Streams, ktor\u00fd sa pou\u017e\u00edva na spracovanie a ukladanie toku spr\u00e1v, boli pridan\u00e9 nov\u00e9 pr\u00edkazy XACKDEL a XDELEX, ktor\u00e9 zjednodu\u0161uj\u00fa pr\u00e1cu s tokmi, ku ktor\u00fdm je pripojen\u00fdch nieko\u013eko pr\u00edjemcov (consumer groups). Tieto pr\u00edkazy rie\u0161ia probl\u00e9m odstr\u00e1nenia spr\u00e1vy a\u017e po tom, \u010do jej prijatie potvrdia v\u0161etci spracovatelia.\n<li class=\"l\"> Do pr\u00edkazu BITOP, ur\u010den\u00e9ho na vykon\u00e1vanie bitov\u00fdch oper\u00e1ci\u00ed, boli pridan\u00e9 nov\u00e9 logick\u00e9 oper\u00e1tory DIFF, DIFF1, ANDOR a ONE.\n<li class=\"l\"> Bol pridan\u00fd nov\u00fd typ indexov vektorov SVS-VAMANA, ktor\u00fd podporuje kompresiu vektorov.\n<li class=\"l\"> Boli pridan\u00e9 nov\u00e9 metriky: za\u0165a\u017eenie v r\u00e1mci jednotliv\u00fdch slotov a rozdelenie ve\u013ekost\u00ed k\u013e\u00fa\u010dov pre z\u00e1kladn\u00e9 typy d\u00e1t.        <\/ul>\n<p>Zdroj: <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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