{"id":103903,"date":"2022-04-28T09:37:32","date_gmt":"2022-04-28T07:37:32","guid":{"rendered":"https:\/\/prohoster.info\/blog\/novosti-interneta\/vypusk-subd-redis-7-0"},"modified":"2022-04-28T09:37:32","modified_gmt":"2022-04-28T07:37:32","slug":"vypusk-subd-redis-7-0","status":"publish","type":"post","link":"https:\/\/prohoster.info\/sl\/blog\/news\/vypusk-subd-redis-7-0","title":{"rendered":"Izdaja podatkovne zbirke Redis 7.0","gt_translate_keys":[{"key":"rendered","format":"text"}]},"content":{"rendered":"<p>Objavljen je izdanak SDB-a Redis 7.0, koji pripada klasi NoSQL sustava. Redis pru\u017ea funkcije za pohranu podataka u formatu klju\u010d\/vrijednost, pro\u0161irene podr\u0161kom za strukturirane formate podataka poput lista, he\u0161ira i skupova, kao i mogu\u0107no\u0161\u0107u izvo\u0111enja skripti na strani poslu\u017eitelja na jeziku Lua. Kod projekta dostupan je pod BSD licencom. Dodatni moduli, koji nude napredne mogu\u0107nosti za korporativne korisnike kao \u0161to su RediSearch, RedisGraph, RedisJSON, RedisML, RedisBloom, od 2019. godine isporu\u010duju se pod proprietarnom licencom RSAL. Razvoj otvorenih varijanti podataka tih modula pod AGPLv3 licencom poku\u0161ao je nastaviti projekt GoodFORM, koji se posljednje vrijeme nalazi u stagnaciji.      <\/p>\n<p>Za razliku od sustava za pohranu u radnoj memoriji, kao \u0161to je Memcached, Redis osigurava trajnu pohranu podataka na disku i jam\u010di o\u010duvanje BDP-a u slu\u010daju iznenadnog prekida rada. Izvorni kod projekta distribuiran je pod BSD licencom. Klijentske biblioteke dostupne su za ve\u0107inu popularnih jezika, uklju\u010duju\u0107i Perl, Python, PHP, Java, Ruby i Tcl. Redis podr\u017eava transakcije, koje omogu\u0107uju izvr\u0161avanje grupe komandi u jednom koraku, jam\u010de\u0107i konzistentnost i redoslijed (naredbe drugih zahtjeva ne mogu se umetnuti) izvr\u0161avanja zadanog skupa komandi, a u slu\u010daju problema omogu\u0107ava povratak promjena. Svi podaci u potpunosti se ke\u0161iraju u radnoj memoriji.     <\/p>\n<p>Za upravljanje podacima dostupne su komande poput inkrementiranja\/dekrementiranja, standardne operacije nad listama i skupovima (spajanje, presjek), preimenovanje klju\u010deva, vi\u0161estruka ispitivanja i funkcije sortiranja. Podr\u017eavaju se dva na\u010dina pohrane: periodi\u010dna sinhronizacija podataka na disk i vo\u0111enje loga promjena na disku. U drugom slu\u010daju osigurava se potpuna o\u010duvanost svih promjena. Mogu\u0107e je organizirati master-slave replikaciju podataka na nekoliko <a class=\"wpil_keyword_link\" href=\"https:\/\/prohoster.info\/sl\/server\/\"   title=\"stre\u017enikov\" data-wpil-keyword-link=\"linked\"  data-wpil-monitor-id=\"1636\">stre\u017enikov<\/a>, \u043e\u0441\u0443\u0449\u0435\u0441\u0442\u0432\u043b\u044f\u0435\u043c\u0430\u044f \u0432 \u043d\u0435\u0431\u043b\u043e\u043a\u0438\u0440\u0443\u044e\u0449\u0435\u043c \u0440\u0435\u0436\u0438\u043c\u0435. \u0414\u043e\u0441\u0442\u0443\u043f\u0435\u043d \u0442\u0430\u043a\u0436\u0435 \u0440\u0435\u0436\u0438\u043c \u043e\u0431\u043c\u0435\u043d\u0430 \u0441\u043e\u043e\u0431\u0449\u0435\u043d\u0438\u044f\u043c\u0438 &#171;\u043f\u0443\u0431\u043b\u0438\u043a\u0430\u0446\u0438\u044f\/\u043f\u043e\u0434\u043f\u0438\u0441\u043a\u0430&#187;, \u043f\u0440\u0438 \u043a\u043e\u0442\u043e\u0440\u043e\u043c \u0441\u043e\u0437\u0434\u0430\u0451\u0442\u0441\u044f \u043a\u0430\u043d\u0430\u043b, \u0441\u043e\u043e\u0431\u0449\u0435\u043d\u0438\u044f \u0438\u0437 \u043a\u043e\u0442\u043e\u0440\u043e\u0433\u043e \u0440\u0430\u0441\u043f\u0440\u043e\u0441\u0442\u0440\u0430\u043d\u044f\u044e\u0442\u0441\u044f \u043a\u043b\u0438\u0435\u043d\u0442\u0430\u043c \u043f\u043e \u043f\u043e\u0434\u043f\u0438\u0441\u043a\u0435.    <\/p>\n<p>Klju\u010dne promjene u Redis 7.0:   <\/p>\n<ul>\n<li class=\"l\"> Dodana je podr\u0161ka za funkcije koje se izvr\u0161avaju na strani <a class=\"wpil_keyword_link\" href=\"https:\/\/prohoster.info\/sl\/server\/dts-los-angeles\/\"   title=\"stre\u017enika\" data-wpil-keyword-link=\"linked\"  data-wpil-monitor-id=\"3802\">stre\u017enika<\/a>. Za razliku od prethodno podr\u017eanih skripti na jeziku Lua, funkcije nisu vezane uz aplikaciju i usmjerene su na implementaciju dodatne logike koja pro\u0161iruje mogu\u0107nosti poslu\u017eitelja. Funkcije se obra\u0111uju neodvojivo s podacima i u vezi s BDP-om, a ne s aplikacijom, uklju\u010duju\u0107i repliciranje i \u010duvanje u trajnoj pohrani.\n<li class=\"l\"> Predlagana je druga revizija ACL, ki omogo\u010da upravljanje dostopa do podatkov na podlagi klju\u010dev in omogo\u010da dolo\u010ditev razli\u010dnih nizov pravil dostopa do ukazov, s mo\u017enostjo povezave ve\u010d selektorjev (nizov pooblastil) z vsakim uporabnikom. Vsak klju\u010d je mogo\u010de identificirati z dolo\u010denimi pooblastili, na primer, dostop je mogo\u010de omejiti le na branje ali pisanje dolo\u010denega podmno\u017eja klju\u010dev.\n<li class=\"l\"> Predstavljena je delujo\u010da v klastru sekcionirana (sharded) implementacija paradigme distribucije sporo\u010dil po naro\u010dilu (Publish-Subscribe), pri kateri se sporo\u010dilo po\u0161lje dolo\u010denemu vozli\u0161\u010du, ki je povezano z vi\u0161jem kanalom sporo\u010dil, po \u010demer se to sporo\u010dilo preusmeri ostalim vozli\u0161\u010dem, ki so del sekcije (shard). Stranke lahko prejemajo sporo\u010dila po naro\u010dilu na kanal, tako da se pove\u017eejo z glavnim vozli\u0161\u010dem kot tudi s sekundarnimi vozli\u0161\u010di sekcije. Upravljanje poteka s pomo\u010djo ukazov SSUBSCRIBE, SUNSUBSCRIBE in SPUBLISH.\n<li class=\"l\"> Dodana je podpora za obdelavo podukazov v ve\u010dini kontekstov.\n<li class=\"l\"> Dodani so novi ukazi:\n<ul>\n<li class=\"l\"> ZMPOP, BZMPOP.\n<li class=\"l\"> LMPOP, BLMPOP.\n<li class=\"l\"> SINTERCARD, ZINTERCARD.\n<li class=\"l\"> SPUBLISH, SSUBSCRIBE, SUNSUBSCRIBE, PUBSUB SHARDCHANNELS\/SHARDNUMSUB.\n<li class=\"l\"> EXPIRETIME, PEXPIRETIME.\n<li class=\"l\"> EVAL_RO, EVALSHA_RO, SORT_RO.\n<li class=\"l\"> FUNCTION *, FCALL, FCALL_RO.\n<li class=\"l\"> COMMAND DOCS, COMMAND LIST.\n<li class=\"l\"> LATENCY HISTOGRAM.\n<li class=\"l\"> CLUSTER SHARDS, CLUSTER LINKS, CLUSTER DELSLOTSRANGE, CLUSTER ADDSLOTSRANGE.\n<li class=\"l\"> CLIENT NO-EVICT.\n<li class=\"l\"> ACL DRYRUN.    <\/ul>\n<li class=\"l\"> Predstavljena je mo\u017enost hkratne obdelave ve\u010d konfiguracij v enem klicu CONFIG SET\/GET.\n<li class=\"l\"> \u0412 \u0443\u0442\u0438\u043b\u0438\u0442\u0443 redis-cli \u0434\u043e\u0431\u0430\u0432\u043b\u0435\u043d\u044b \u043e\u043f\u0446\u0438\u0438 &#171;&#8212;json&#187;, &#171;-2&#187;, &#171;&#8212;scan&#187;, &#171;&#8212;functions-rdb&#187;.\n<li class=\"l\"> Privzeto je onemogo\u010den dostop strankam do nastavitev in ukazov, ki vplivajo na varnost (na primer, onemogo\u010deni so ukazi DEBUG in MODULE, prepovedano je spreminjanje konfiguracij z zastavico PROTECTED_CONFIG). V redis-cli je prenehan izhod v datoteko z zgodovino ukazov, ki vsebujejo zaupne podatke.\n<li class=\"l\"> Izvedenih je bilo veliko optimizacij, usmerjenih v pove\u010danje zmogljivosti in zmanj\u0161anje porabe pomnilnika. Na primer, znatno je zmanj\u0161ana poraba pomnilnika pri vklopu klasterskega na\u010dina, pri izvajanju operacij copy-on-write ter pri delu z h\u0161enimi in klju\u010dnimi zseti. Izbolj\u0161ana je logika ponastavitve podatkov na disk (klic fsync). Zmanj\u0161ano je \u0161tevilo omre\u017enih paketov in pozivov k sistemskim klicem pri po\u0161iljanju odgovorov strankam. Pove\u010dana je u\u010dinkovitost replikacije.\n<li class=\"l\"> Odpravljena je ranljivost CVE-2022-24735 v okolju za izvajanje Lua skript, ki omogo\u010da vstavljanje lastne Lua kode in njeno izvajanje v kontekstu drugega uporabnika, vklju\u010dno s tistimi z vi\u0161jimi pooblastili.\n<li class=\"l\"> Odpravljena je ranljivost CVE-2022-24736, ki omogo\u010da zru\u0161itev procesa redis-server zaradi dereferenciranja ni\u010delnega kazalca. Napad poteka preko nalaganja posebej oblikovanih Lua skript.    <\/ul>\n<p>Izvor: <a content=\"nofollow\" rel=\"nofollow\" href=\"https:\/\/www.opennet.ru\/opennews\/art.shtml?num=57100\">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 7.0, \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 \u043f\u043e\u0441\u0442\u0430\u0432\u043b\u044f\u0435\u0442\u0441\u044f \u043f\u043e\u0434 \u043b\u0438\u0446\u0435\u043d\u0437\u0438\u0435\u0439 BSD. \u0414\u043e\u043f\u043e\u043b\u043d\u0438\u0442\u0435\u043b\u044c\u043d\u044b\u0435 \u043c\u043e\u0434\u0443\u043b\u0438, \u0432 \u043a\u043e\u0442\u043e\u0440\u044b\u0445 \u043f\u0440\u0435\u0434\u043b\u0430\u0433\u0430\u044e\u0442\u0441\u044f \u0440\u0430\u0441\u0448\u0438\u0440\u0435\u043d\u043d\u044b\u0435 \u0432\u043e\u0437\u043c\u043e\u0436\u043d\u043e\u0441\u0442\u0438 \u0434\u043b\u044f \u043a\u043e\u0440\u043f\u043e\u0440\u0430\u0442\u0438\u0432\u043d\u044b\u0445 [&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-103903","post","type-post","status-publish","format-standard","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 7.0, \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 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