{"id":87814,"date":"2020-07-10T13:42:14","date_gmt":"2020-07-10T11:42:14","guid":{"rendered":"https:\/\/prohoster.info\/blog\/administrirovanie\/chto-luchshe-oracle-ili-redis-ili-kak-obosnovat-vybor-platformy"},"modified":"2020-07-10T13:42:14","modified_gmt":"2020-07-10T11:42:14","slug":"chto-luchshe-oracle-ili-redis-ili-kak-obosnovat-vybor-platformy","status":"publish","type":"post","link":"https:\/\/prohoster.info\/sk\/blog\/administrirovanie\/chto-luchshe-oracle-ili-redis-ili-kak-obosnovat-vybor-platformy","title":{"rendered":"\u010co je lep\u0161ie \u2013 Oracle alebo Redis alebo Ako od\u00f4vodni\u0165 v\u00fdber platformy","gt_translate_keys":[{"key":"rendered","format":"text"}]},"content":{"rendered":"<blockquote><p>\u2013 Mus\u00edte uzna\u0165, \u2013 povedala nahlas, ani sa na nikoho neobr\u00e1tiac. \u2013 Mus\u00edte uzna\u0165! Tak presne je nap\u00edsan\u00e9 \u2013 hlavnou \u00falohou spolo\u010dnosti je dosahovanie zisku v z\u00e1ujme akcion\u00e1rov. Tak si to predstavte! Ni\u010d sa neboja!<\/p>\n<p><i>J\u00falius Dubov, \u201eMen\u0161ie zlo\u201c<\/i><\/p><\/blockquote>\n<p>\nKe\u010f ste videli tak\u00fdto nadpis, ur\u010dite ste si u\u017e mysleli, \u017ee \u010dl\u00e1nok je bu\u010f hl\u00fapos\u0165, alebo provok\u00e1cia. Ale nesp\u011bchajte na z\u00e1very: zamestnanci ve\u013ek\u00fdch korpor\u00e1ci\u00ed, najm\u00e4 korpor\u00e1ci\u00ed so \u0161t\u00e1tnym podielom, sa dos\u0165 \u010dasto musia porovn\u00e1va\u0165 r\u00f4zne platformy, vr\u00e1tane \u00faplne odli\u0161n\u00fdch \u2013 napr\u00edklad t\u00fdch uveden\u00fdch v nadpise.<\/p>\n<p><img decoding=\"async\" alt=\"\u010co je lep\u0161ie \u2013 Oracle alebo Redis alebo Ako od\u00f4vodni\u0165 v\u00fdber platformy\" src=\"\/wp-content\/uploads\/2020\/07\/6b0c0a3a60794b2a9e98733e59eec6da.png\" style=\"display:block;margin: 0 auto;\" \/><br \/>\n<br \/>\nSamozrejme, datab\u00e1zov\u00e9 syst\u00e9my nikto asi neporovn\u00e1va, ke\u010f\u017ee ich siln\u00e9 a slab\u00e9 str\u00e1nky s\u00fa dobre zn\u00e1me. Zvy\u010dajne sa porovn\u00e1vaj\u00fa platformy, ktor\u00e9 rie\u0161ia nejak\u00fa aplikovan\u00fa \u00falohu. V \u010dl\u00e1nku uk\u00e1\u017eem met\u00f3du, ktor\u00e1 sa pri tom pou\u017e\u00edva, na pr\u00edklade datab\u00e1z ako predmetu, ktor\u00e9ho s\u00fa \u010ditatelia Habr ve\u013emi dobre obozn\u00e1men\u00ed. Tak\u017ee,<br \/>\n<noindex><a rel=\"nofollow\" name=\"habracut\"><\/a><\/noindex><\/p>\n<h4>Motiv\u00e1cia<\/h4>\n<p>\nKe\u010f za\u010dnete vzdel\u00e1vac\u00ed projekt alebo projekt kon\u00ed\u010dek, motiv\u00e1cia na v\u00fdber platformy m\u00f4\u017ee by\u0165 ve\u013emi rozmanit\u00e1: \u201et\u00fato platformu najlep\u0161ie pozn\u00e1m\u201c, \u201es touto som zvedav\u00fd\/\u00e1 sa pusti\u0165 do behu\u201c, \u201etoto m\u00e1 najlep\u0161iu dokument\u00e1ciu\u201c\u2026 V pr\u00edpade komer\u010dnej spolo\u010dnosti je krit\u00e9rium v\u00fdberu jedno: ko\u013eko bude st\u00e1\u0165 a \u010do za tie peniaze dostanem.<\/p>\n<p>Samozrejme, chcete zaplati\u0165 menej a dosta\u0165 viac. Av\u0161ak je potrebn\u00e9 rozhodn\u00fa\u0165, \u010do je d\u00f4le\u017eitej\u0161ie \u2013 zaplati\u0165 menej alebo dosta\u0165 viac a ka\u017ed\u00e9mu uzlu priradi\u0165 v\u00e1hu. Predpokladajme, \u017ee kvalitn\u00e9 rie\u0161enie je pre n\u00e1s d\u00f4le\u017eitej\u0161ie ako lacn\u00e9, a prirad\u00edme uzlu \u201eCena\u201c v\u00e1hu 40 %, a uzlu \u201eMo\u017enosti\u201c \u2013 60%.<\/p>\n<p><img decoding=\"async\" alt=\"\u010co je lep\u0161ie \u2013 Oracle alebo Redis alebo Ako od\u00f4vodni\u0165 v\u00fdber platformy\" src=\"\/wp-content\/uploads\/2020\/07\/b3ba842198428e7de98f3b5a27591d43.png\" style=\"display:block;margin: 0 auto;\" \/><br \/>\n<br \/>\nV ve\u013ek\u00fdch korpor\u00e1ci\u00e1ch je zvy\u010dajne v\u0161etko naopak \u2013 v\u00e1ha ceny nekles\u00e1 pod 50 %, a m\u00f4\u017ee by\u0165 aj viac ako 60 %. V modelovom pr\u00edklade je d\u00f4le\u017eit\u00e9 iba to, \u017ee celkov\u00e1 v\u00e1ha dc\u00e9rskych uzlov ak\u00e9hoko\u013evek rodi\u010dovsk\u00e9ho uzla mus\u00ed by\u0165 100%.<\/p>\n<h4>Filtrovanie podmienok<\/h4>\n<p>\nStr\u00e1nke <noindex><a rel=\"nofollow\" href=\"https:\/\/db-engines.com\/\">db-engines.com<\/a><\/noindex> je zn\u00e1mych pribli\u017ene 500 syst\u00e9mov spr\u00e1vy datab\u00e1z. Samozrejme, ak si vyber\u00e1me cie\u013eov\u00fa platformu z tak\u00e9ho mno\u017estva mo\u017enost\u00ed, m\u00f4\u017ee to skon\u010di\u0165 ako preh\u013eadov\u00fd \u010dl\u00e1nok, ale nie ako komer\u010dn\u00fd projekt. Aby sme z\u00fa\u017eili priestor na v\u00fdber, formuluj\u00fa sa vylu\u010duj\u00face krit\u00e9ri\u00e1, a ak platforma t\u00fdmto krit\u00e9ri\u00e1m nevyhovuje, nie je zva\u017eovan\u00e1.<\/p>\n<p>Vylu\u010duj\u00face krit\u00e9ri\u00e1 m\u00f4\u017eu s\u00favisie\u0165 s technologick\u00fdmi vlastnos\u0165ami, napr\u00edklad:<\/p>\n<ul>\n<li>ACID z\u00e1ruky;<\/li>\n<li>rela\u010dn\u00fd model d\u00e1t;<\/li>\n<li>podpora SQL jazyka (majte na pam\u00e4ti, nie je to rovnak\u00e9 ako 'rela\u010dn\u00fd model');<\/li>\n<li>mo\u017enos\u0165 horizont\u00e1lneho \u0161k\u00e1lovania.<\/li>\n<\/ul>\n<p>\nM\u00f4\u017eu existova\u0165 v\u0161eobecn\u00e9 krit\u00e9ri\u00e1:<\/p>\n<ul>\n<li>pr\u00edtomnos\u0165 komer\u010dnej podpory na Slovensku;<\/li>\n<li>otvoren\u00fd zdroj;<\/li>\n<li>existencia platformy v Registri Ministerstva dopravy;<\/li>\n<li>pr\u00edtomnos\u0165 platformy v nejakom rebr\u00ed\u010dku (napr\u00edklad v prvej stovke rebr\u00ed\u010dka db-engines.com);<\/li>\n<li>existencia odborn\u00edkov na trhu (napr\u00edklad na z\u00e1klade vyh\u013ead\u00e1vania n\u00e1zvu platformy v \u017eivotopisoch na str\u00e1nke hh.ru).<\/li>\n<\/ul>\n<p>\nNakoniec, m\u00f4\u017eu existova\u0165 krit\u00e9ri\u00e1 \u0161pecifick\u00e9 pre podnik:<\/p>\n<ul>\n<li>existencia \u0161pecialistov v zamestnan\u00ed;<\/li>\n<li>kompatibilitu so sledovac\u00edm syst\u00e9mom X alebo so z\u00e1lohovac\u00edm syst\u00e9mom Y, na ktor\u00fd je viazan\u00e1 cel\u00e1 podpora\u2026<\/li>\n<\/ul>\n<p>\nNajd\u00f4le\u017eitej\u0161ie je, aby existoval zoznam vylu\u010duj\u00facich krit\u00e9ri\u00ed. V opa\u010dnom pr\u00edpade sa ur\u010dite n\u00e1jde nejak\u00fd odborn\u00edk (alebo 'expert'), ktor\u00fd m\u00e1 zvl\u00e1\u0161tnu d\u00f4veru vedenia a povie: 'pre\u010do ste nevybrali platformu Z, viem, \u017ee je najlep\u0161ia'. <\/p>\n<h4>Hodnotenie n\u00e1kladov<\/h4>\n<p>\nN\u00e1klady na rie\u0161enie sa o\u010dividne skladaj\u00fa z n\u00e1kladov na licencie, n\u00e1kladov na podporu a n\u00e1kladov na vybavenie.<\/p>\n<p>Ak s\u00fa syst\u00e9my zhruba rovnakej triedy (napr\u00edklad Microsoft SQL Server a PostgreSQL), je mo\u017en\u00e9 zjednodu\u0161i\u0165 situ\u00e1ciu tak, \u017ee mno\u017estvo vybavenia pre obidve rie\u0161enia bude zhruba rovnak\u00e9. To u\u0161etr\u00ed \u010das a \u00fasilie pri hodnoten\u00ed vybavenia. Ak v\u0161ak mus\u00edte porovn\u00e1va\u0165 \u00faplne odli\u0161n\u00e9 syst\u00e9my (napr\u00edklad Oracle vs. Redis), je jasn\u00e9, \u017ee pre presn\u00e9 hodnotenie je potrebn\u00e9 vykona\u0165 sizing (v\u00fdpo\u010det mno\u017estva vybavenia). Sizing neexistuj\u00faceho syst\u00e9mu je ve\u013emi v\u010fa\u010dn\u00e1 \u010dinnos\u0165, preto sa sna\u017eia tak\u00fdmto porovnaniam predch\u00e1dza\u0165. Je to jednoduch\u00e9: v vylu\u010duj\u00facich podmienkach sa uv\u00e1dzaj\u00fa nulov\u00e1 strata d\u00e1t a rela\u010dn\u00fd model alebo naopak \u2013 z\u00e1\u0165a\u017e 50 tis\u00edc transakci\u00ed za sekundu.<\/p>\n<p>Na pos\u00fadenie licenci\u00ed sta\u010d\u00ed po\u017eiada\u0165 u dod\u00e1vate\u013ea alebo jeho partnerov o cenu licencie na fixn\u00fd po\u010det jadier a podpory na fixn\u00e9 obdobie. Zvy\u010dajne maj\u00fa spolo\u010dnosti u\u017e vybudovan\u00e9 siln\u00e9 vz\u0165ahy s dod\u00e1vate\u013emi softv\u00e9ru, a ak oddelenie prev\u00e1dzky datab\u00e1z nedok\u00e1\u017ee na ot\u00e1zku oh\u013eadom ceny odpoveda\u0165 samostatne, na z\u00edskanie t\u00fdchto inform\u00e1ci\u00ed sta\u010d\u00ed jedno p\u00edsmeno.<\/p>\n<p>R\u00f4zni dod\u00e1vatelia m\u00f4\u017eu ma\u0165 r\u00f4zne metriky licencovania: pod\u013ea po\u010dtu jadier, objemu d\u00e1t alebo po\u010dtu uzlov. Standby datab\u00e1za m\u00f4\u017ee by\u0165 zadarmo, alebo m\u00f4\u017ee by\u0165 licencovan\u00e1 rovnako ako hlavn\u00e1. Ak sa objavia nejak\u00e9 rozdiely v metrik\u00e1ch, bude potrebn\u00e9 podrobne pop\u00edsa\u0165 modelov\u00fd stand a vypo\u010d\u00edta\u0165 n\u00e1klady na licencie pre stand.<\/p>\n<p>D\u00f4le\u017eit\u00fd moment pre spr\u00e1vne porovnanie \u2013 rovnak\u00e9 podmienky podpory. Povedzme, \u017ee podpora Oracle stoj\u00ed 22 % z ceny licencie ro\u010dne, zatia\u013e \u010do za podporu PostgreSQL nemus\u00edte plati\u0165. Je to spr\u00e1vne porovn\u00e1va\u0165? Nie, preto\u017ee n\u00e1sledky chyby, ktor\u00e1 nem\u00f4\u017ee by\u0165 odstr\u00e1nen\u00e1 vlastn\u00fdmi silami, s\u00fa \u00faplne odli\u0161n\u00e9: v prvom pr\u00edpade odborn\u00edci na podporu r\u00fdchlo pom\u00f4\u017eu probl\u00e9m odstr\u00e1ni\u0165, zatia\u013e \u010do v druhom pr\u00edpade je riziko oneskorenia projektu alebo odst\u00e1vky hotov\u00e9ho syst\u00e9mu na neur\u010dit\u00fd \u010das.<\/p>\n<p>Vyrovna\u0165 podmienky v\u00fdpo\u010dtu je mo\u017en\u00e9 tromi sp\u00f4sobmi:<\/p>\n<ol>\n<li>Pou\u017ei\u0165 Oracle bez podpory (v skuto\u010dnosti sa to nest\u00e1va).<\/li>\n<li>K\u00fapi\u0165 podporu pre PostgreSQL \u2013 napr\u00edklad od spolo\u010dnosti Postgres Professional.<\/li>\n<li>Zapo\u010d\u00edta\u0165 do v\u00fdpo\u010dtu rizik\u00e1 spojen\u00e9 s absenciou podpory.<\/li>\n<\/ol>\n<p>\nNapr\u00edklad v\u00fdpo\u010det riz\u00edk m\u00f4\u017ee vyzera\u0165 takto: v pr\u00edpade neopravite\u013en\u00e9ho zlyhania datab\u00e1zy bude odst\u00e1vka syst\u00e9mu trva\u0165 1 pracovn\u00fd de\u0148. Pl\u00e1novan\u00fd zisk z pou\u017e\u00edvania syst\u00e9mu je 40 mili\u00e1rd mongolsk\u00fdch tugrikov ro\u010dne, frekvencia hav\u00e1ri\u00ed sa odhaduje na 1\/400, tak\u017ee riziko absencie podpory sa odhaduje na pribli\u017ene 100 mili\u00f3nov mongolsk\u00fdch tugrikov ro\u010dne. Je zrejm\u00e9, \u017ee 'pl\u00e1novan\u00fd zisk' a 'odhadovan\u00e1 frekvencia hav\u00e1ri\u00ed' s\u00fa virtu\u00e1lne hodnoty, ale ove\u013ea lep\u0161ie ma\u0165 tak\u00fdto model ako nem\u00f4c\u0165 ma\u0165 \u017eiadny.<\/p>\n<p>V skuto\u010dnosti m\u00f4\u017ee by\u0165 syst\u00e9m ve\u013emi d\u00f4le\u017eit\u00fd a reputa\u010dn\u00e9 straty z dlhodob\u00e9ho v\u00fdpadku m\u00f4\u017eu by\u0165 neprijate\u013en\u00e9, a preto bude potrebn\u00e1 podpora. Ak je v\u0161ak v\u00fdpadok akceptovate\u013en\u00fd, vzdanie sa podpory m\u00f4\u017ee by\u0165 ob\u010das dobr\u00fdm sp\u00f4sobom, ako u\u0161etri\u0165.<\/p>\n<p>Predpokladajme, \u017ee po v\u0161etk\u00fdch v\u00fdpo\u010dtoch n\u00e1klady na prev\u00e1dzku platformy A po\u010das 5 rokov predstavovali 800 mili\u00f3nov mongolsk\u00fdch tugrikov, n\u00e1klady na prev\u00e1dzku platformy B \u2013 650 mili\u00f3nov tugrikov a n\u00e1klady na prev\u00e1dzku platformy C \u2013 600 mili\u00f3nov tugrikov. Platforma C ako v\u00ed\u0165az z\u00edskava za n\u00e1klady pln\u00fd bod, zatia\u013e \u010do platformy A a B z\u00edskavaj\u00fa o nie\u010do menej, proporcion\u00e1lne tomu, ko\u013eko s\u00fa drah\u0161ie. V tomto pr\u00edpade \u2013 0,75 a 0,92 bodov.<\/p>\n<h4>Hodnotenie mo\u017enost\u00ed<\/h4>\n<p>\nHodnotenie mo\u017enost\u00ed sa del\u00ed na mno\u017estvo skup\u00edn, ktor\u00fdch po\u010det je obmedzen\u00fd iba fant\u00e1ziou toho, kto hodnotenie vykon\u00e1va. Optim\u00e1lnou mo\u017enos\u0165ou sa jav\u00ed rozdelenie mo\u017enost\u00ed pod\u013ea t\u00edmov, ktor\u00e9 tieto mo\u017enosti bud\u00fa vyu\u017e\u00edva\u0165; v na\u0161om pr\u00edklade s\u00fa to v\u00fdvoj\u00e1ri, administr\u00e1tori a \u00faradn\u00edci informa\u010dnej bezpe\u010dnosti. Predpokladajme, \u017ee v\u00e1hy t\u00fdchto funkci\u00ed sa rozde\u013euj\u00fa ako 40:40:20.<\/p>\n<p>K funkci\u00e1m v\u00fdvoja m\u00f4\u017eeme zaradi\u0165:<\/p>\n<ul>\n<li>pohodlie manipul\u00e1cie s \u00fadajmi;<\/li>\n<li>\u0161k\u00e1lovate\u013enos\u0165;<\/li>\n<li>existencia sekund\u00e1rnych indexov.<\/li>\n<\/ul>\n<p>\nZoznam krit\u00e9ri\u00ed, ako aj ich v\u00e1hy, s\u00fa ve\u013emi subjekt\u00edvne. Aj pri rie\u0161en\u00ed tej istej \u00falohy sa tieto zoznamy, v\u00e1hy polo\u017eiek a odpovede bud\u00fa v\u00fdrazne l\u00ed\u0161i\u0165 v z\u00e1vislosti od zlo\u017eenia v\u00e1\u0161ho t\u00edmu. Tak napr\u00edklad Facebook na ukladanie \u00fadajov pou\u017e\u00edva MySQL, zatia\u013e \u010do Instagram je postaven\u00fd na z\u00e1klade Cassandry. Je m\u00e1lo pravdepodobn\u00e9, \u017ee v\u00fdvoj\u00e1ri t\u00fdchto aplik\u00e1ci\u00ed vyp\u013a\u0148ali tak\u00e9to tabu\u013eky. M\u00f4\u017eeme len h\u00e1da\u0165, \u017ee Mark Zuckerberg si zvolil plnohodnotn\u00fd rela\u010dn\u00fd model, zaplatil za to nutnos\u0165ou aplika\u010dn\u00e9ho shardovania, zatia\u013e \u010do Kevin Systrom akceptoval \u0161k\u00e1lovanie pomocou prostriedkov platformy, na \u00fakor pohodlia pr\u00edstupu k \u00fadajom.<\/p>\n<p>K funkci\u00e1m administr\u00e1cie patr\u00ed:<\/p>\n<ul>\n<li>mo\u017enosti syst\u00e9mu z\u00e1lohovania;<\/li>\n<li>pohodlie monitorovania;<\/li>\n<li>pohodlie spr\u00e1vy kapac\u00edt \u2013 diskov a uzlov;<\/li>\n<li>mo\u017enosti replik\u00e1cie \u00fadajov.<\/li>\n<\/ul>\n<p>\nV\u0161imnite si, \u017ee formul\u00e1cie ot\u00e1zok by mali umo\u017e\u0148ova\u0165 kvantitat\u00edvne hodnotenie. M\u00f4\u017eeme sa dokonca dohodn\u00fa\u0165, ako hodnoti\u0165 dan\u00fa funkciu. Sk\u00fasme napr\u00edklad ohodnoti\u0165 n\u00e1stroje z\u00e1lohovania na pr\u00edklade n\u00e1strojov dod\u00e1van\u00fdch so SDB Oracle:<\/p>\n<p>N\u00e1stroj<br \/>\nKoment\u00e1r<br \/>\nHodnotenie<\/p>\n<p>imp\/exp<br \/>\nExport a import d\u00e1t<br \/>\n0.1<\/p>\n<p>za\u010diatok\/koniec z\u00e1lohovania<br \/>\nKop\u00edrovanie s\u00faborov<br \/>\n0.3<\/p>\n<p>RMAN<br \/>\nMo\u017enos\u0165 inkrement\u00e1lneho kop\u00edrovania<br \/>\n0.7<\/p>\n<p>ZDLRA<br \/>\nIba inkrement\u00e1lne kop\u00edrovanie, najr\u00fdchlej\u0161ie obnovenie na bod<br \/>\n1.0<\/p>\n<p>\nAk ch\u00fdbaj\u00fa jasn\u00e9 hodnotiace krit\u00e9ri\u00e1, m\u00e1 zmysel po\u017eiada\u0165 nieko\u013ek\u00fdch expertov, aby poskytli hodnotenia a n\u00e1sledne ich priemern\u00e9 hodnoty.<\/p>\n<p>Nakoniec si jednoducho vymenujeme funkcie informa\u010dnej bezpe\u010dnosti:<\/p>\n<ul>\n<li>existencia polit\u00edk spr\u00e1vy hesiel;<\/li>\n<li>mo\u017enos\u0165 pripojenia extern\u00fdch autentifika\u010dn\u00fdch n\u00e1strojov (LDAP, Kerberos);<\/li>\n<li>model pr\u00edstupu pod\u013ea rol\u00ed;<\/li>\n<li>mo\u017enosti auditu;<\/li>\n<li>\u0161ifrovanie d\u00e1t na disku;<\/li>\n<li>\u0161ifrovanie pri prenose po sieti (TLS);<\/li>\n<li>ochrana d\u00e1t pred administr\u00e1torom.<\/li>\n<\/ul>\n<p><\/p>\n<h4>Testovanie v\u00fdkonu<\/h4>\n<p>\nOsobitne by som chcel varova\u0165 pred pou\u017e\u00edvan\u00edm v\u00fdsledkov ak\u00fdchko\u013evek z\u00e1\u0165a\u017eov\u00fdch testov, ktor\u00e9 ste neuskuto\u010dnili vy.<\/p>\n<p>Po prv\u00e9, \u0161trukt\u00fara d\u00e1t a profil z\u00e1\u0165a\u017ee testovan\u00fdch aplik\u00e1ci\u00ed sa m\u00f4\u017eu podstatne l\u00ed\u0161i\u0165 od \u00falohy, ktor\u00fa pl\u00e1nujete rie\u0161i\u0165. Pred 10-15 rokmi v\u00fdrobcovia datab\u00e1z radi predv\u00e1dzali v\u00fdsledky dosiahnut\u00e9 v testoch TPC, ale teraz sa zd\u00e1, \u017ee nikto u\u017e tieto v\u00fdsledky neberie v\u00e1\u017ene.<\/p>\n<p>Po druh\u00e9, v\u00fdkon syst\u00e9mu dos\u0165 silno z\u00e1vis\u00ed od toho, pre ak\u00fa platformu bol p\u00f4vodne nap\u00edsan\u00fd k\u00f3d a na akom vybaven\u00ed sa test vykon\u00e1val. Videla som mno\u017estvo testov, kde Oracle porovn\u00e1vali s PostgreSQL. V\u00fdsledky sa l\u00ed\u0161ili od bezpodmiene\u010dnej prevahy jedn\u00e9ho syst\u00e9mu po tak\u00fa ist\u00fa bezpodmiene\u010dn\u00fa prevahu druh\u00e9ho.<\/p>\n<p>A napokon, po tretie, nem\u00e1te \u017eiadne inform\u00e1cie o tom, kto test vykon\u00e1val. D\u00f4le\u017eit\u00e1 je kvalifik\u00e1cia, ktor\u00e1 ovplyv\u0148uje kvalitu nastavenia OS a platformy, ako aj motiv\u00e1cia, ktor\u00e1 ovplyv\u0148uje v\u00fdsledky testu silnej\u0161ie ako v\u0161etky ostatn\u00e9 faktory dokopy.<\/p>\n<p>Ak je v\u00fdkon kriticky d\u00f4le\u017eit\u00fdm faktorom, vykonajte test sami, ide\u00e1lne so zapojen\u00edm odborn\u00edkov, ktor\u00ed bud\u00fa nastavova\u0165 a udr\u017eiava\u0165 priemyseln\u00fd syst\u00e9m.<\/p>\n<h4>V\u00fdsledok<\/h4>\n<p>\nNakoniec by mal by\u0165 v\u00fdsledkom celej vykonanej pr\u00e1ce elektronick\u00fd zoznam, kde s\u00fa v\u0161etky hodnotenia zhroma\u017eden\u00e9, vyn\u00e1soben\u00e9 a s\u010d\u00edtan\u00e9:<\/p>\n<p><img decoding=\"async\" alt=\"\u010co je lep\u0161ie \u2013 Oracle alebo Redis alebo Ako od\u00f4vodni\u0165 v\u00fdber platformy\" src=\"\/wp-content\/uploads\/2020\/07\/760bfe92d02865ec27ab6ac28d64e855.png\" style=\"display:block;margin: 0 auto;\" \/><br \/>\n<br \/>\nAko ch\u00e1pete, zmenou v\u00e1h a \u00fapravou hodnoten\u00ed je mo\u017en\u00e9 dosiahnu\u0165 ak\u00fdko\u013evek po\u017eadovan\u00fd v\u00fdsledok, ale to je u\u017e celkom in\u00fd pr\u00edbeh...<br \/>\n<br \/>Zdroj: <a content=\"nofollow\" rel=\"nofollow\" href=\"https:\/\/habr.com\/ru\/post\/510176\/\">habr.com<\/a> <\/p>","protected":false,"gt_translate_keys":[{"key":"rendered","format":"html"}]},"excerpt":{"rendered":"<p>\u2013\u00a0\u042d\u0442\u043e \u0436 \u043d\u0430\u0434\u043e,\u00a0\u2014 \u043d\u0438 \u043a \u043a\u043e\u043c\u0443 \u043d\u0435 \u043e\u0431\u0440\u0430\u0449\u0430\u044f\u0441\u044c, \u0433\u0440\u043e\u043c\u043a\u043e \u0441\u043a\u0430\u0437\u0430\u043b\u0430 \u043e\u043d\u0430.\u00a0\u2013 \u042d\u0442\u043e \u0436 \u043d\u0430\u0434\u043e! \u0422\u0430\u043a \u043f\u0440\u044f\u043c\u043e \u0438 \u043d\u0430\u043f\u0438\u0441\u0430\u043d\u043e \u2013 \u0433\u043b\u0430\u0432\u043d\u043e\u0439 \u0437\u0430\u0434\u0430\u0447\u0435\u0439 \u043e\u0431\u0449\u0435\u0441\u0442\u0432\u0430 \u044f\u0432\u043b\u044f\u0435\u0442\u0441\u044f \u0438\u0437\u0432\u043b\u0435\u0447\u0435\u043d\u0438\u0435 \u043f\u0440\u0438\u0431\u044b\u043b\u0438 \u0432\u00a0\u0438\u043d\u0442\u0435\u0440\u0435\u0441\u0430\u0445 \u0430\u043a\u0446\u0438\u043e\u043d\u0435\u0440\u043e\u0432. \u041d\u0443 \u0432\u044b \u043f\u043e\u0434\u0443\u043c\u0430\u0439\u0442\u0435! \u041d\u0438\u0447\u0435\u0433\u043e \u043d\u0435 \u0431\u043e\u044f\u0442\u0441\u044f! \u042e\u043b\u0438\u0439 \u0414\u0443\u0431\u043e\u0432, \u00ab\u041c\u0435\u043d\u044c\u0448\u0435\u0435 \u0437\u043b\u043e\u00bb \u0423\u0432\u0438\u0434\u0435\u0432 \u0442\u0430\u043a\u043e\u0439 \u0437\u0430\u0433\u043e\u043b\u043e\u0432\u043e\u043a, \u0432\u044b \u043d\u0430\u0432\u0435\u0440\u043d\u044f\u043a\u0430 \u0443\u0436\u0435 \u0440\u0435\u0448\u0438\u043b\u0438, \u0447\u0442\u043e \u0441\u0442\u0430\u0442\u044c\u044f \u2013 \u0438\u043b\u0438 \u0433\u043b\u0443\u043f\u043e\u0441\u0442\u044c, \u0438\u043b\u0438 \u043f\u0440\u043e\u0432\u043e\u043a\u0430\u0446\u0438\u044f. \u041d\u043e \u043d\u0435 \u0441\u043f\u0435\u0448\u0438\u0442\u0435 \u0441 [&hellip;]<\/p>\n","protected":false,"gt_translate_keys":[{"key":"rendered","format":"html"}]},"author":1,"featured_media":87815,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[688],"tags":[],"class_list":["post-87814","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-administrirovanie"],"aioseo_notices":[],"aioseo_head":"\n\t\t<!-- All in One SEO 5.0.4 - aioseo.com -->\n\t<meta name=\"description\" content=\"\u2013 \u042d\u0442\u043e \u0436 \u043d\u0430\u0434\u043e, \u2014 \u043d\u0438 \u043a \u043a\u043e\u043c\u0443 \u043d\u0435 \u043e\u0431\u0440\u0430\u0449\u0430\u044f\u0441\u044c, \u0433\u0440\u043e\u043c\u043a\u043e \u0441\u043a\u0430\u0437\u0430\u043b\u0430 \u043e\u043d\u0430. \u2013 \u042d\u0442\u043e \u0436 \u043d\u0430\u0434\u043e! 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