{"id":3613,"date":"2026-10-27T09:30:00","date_gmt":"2026-10-27T09:30:00","guid":{"rendered":"https:\/\/potenting.com\/hr\/blog\/what-is-caching-how-it-works-and-why-it-matters\/"},"modified":"2026-10-27T09:53:39","modified_gmt":"2026-10-27T09:53:39","slug":"what-is-caching-how-it-works-and-why-it-matters-hr","status":"publish","type":"post","link":"https:\/\/potenting.com\/hr\/blog\/what-is-caching-how-it-works-and-why-it-matters\/","title":{"rendered":"\u0160to je predmemoriranje (caching)? Kako funkcionira i za\u0161to je va\u017eno"},"content":{"rendered":"\t\t<div data-elementor-type=\"wp-post\" data-elementor-id=\"3613\" class=\"elementor elementor-3613\" data-elementor-post-type=\"post\">\n\t\t\t\t<div class=\"elementor-element elementor-element-9ef0e68 e-flex e-con-boxed e-con e-parent\" data-id=\"9ef0e68\" data-element_type=\"container\" data-e-type=\"container\">\n\t\t\t\t\t<div class=\"e-con-inner\">\n\t\t\t\t<div class=\"elementor-element elementor-element-d5c5c70 elementor-toc--minimized-on-tablet elementor-widget elementor-widget-table-of-contents\" data-id=\"d5c5c70\" data-element_type=\"widget\" data-e-type=\"widget\" data-settings=\"{&quot;exclude_headings_by_selector&quot;:[],&quot;no_headings_message&quot;:&quot;Na ovoj stranici nisu prona\\u0111eni naslovi.&quot;,&quot;headings_by_tags&quot;:[&quot;h2&quot;,&quot;h3&quot;,&quot;h4&quot;,&quot;h5&quot;,&quot;h6&quot;],&quot;marker_view&quot;:&quot;numbers&quot;,&quot;minimize_box&quot;:&quot;yes&quot;,&quot;minimized_on&quot;:&quot;tablet&quot;,&quot;hierarchical_view&quot;:&quot;yes&quot;,&quot;min_height&quot;:{&quot;unit&quot;:&quot;px&quot;,&quot;size&quot;:&quot;&quot;,&quot;sizes&quot;:[]},&quot;min_height_tablet&quot;:{&quot;unit&quot;:&quot;px&quot;,&quot;size&quot;:&quot;&quot;,&quot;sizes&quot;:[]},&quot;min_height_mobile&quot;:{&quot;unit&quot;:&quot;px&quot;,&quot;size&quot;:&quot;&quot;,&quot;sizes&quot;:[]}}\" data-widget_type=\"table-of-contents.default\">\n\t\t\t\t\t\t\t\t\t<div class=\"elementor-toc__header\">\n\t\t\t\t\t\t<div class=\"elementor-toc__header-title\">\n\t\t\t\tSadr\u017eaj\t\t\t<\/div>\n\t\t\t\t\t\t\t\t\t\t<div class=\"elementor-toc__toggle-button elementor-toc__toggle-button--expand\" role=\"button\" tabindex=\"0\" aria-controls=\"elementor-toc__d5c5c70\" aria-expanded=\"true\" aria-label=\"Open table of contents\"><svg aria-hidden=\"true\" class=\"e-font-icon-svg e-fas-chevron-down\" viewBox=\"0 0 448 512\" xmlns=\"http:\/\/www.w3.org\/2000\/svg\"><path d=\"M207.029 381.476L12.686 187.132c-9.373-9.373-9.373-24.569 0-33.941l22.667-22.667c9.357-9.357 24.522-9.375 33.901-.04L224 284.505l154.745-154.021c9.379-9.335 24.544-9.317 33.901.04l22.667 22.667c9.373 9.373 9.373 24.569 0 33.941L240.971 381.476c-9.373 9.372-24.569 9.372-33.942 0z\"><\/path><\/svg><\/div>\n\t\t\t\t<div class=\"elementor-toc__toggle-button elementor-toc__toggle-button--collapse\" role=\"button\" tabindex=\"0\" aria-controls=\"elementor-toc__d5c5c70\" aria-expanded=\"true\" aria-label=\"Close table of contents\"><svg aria-hidden=\"true\" class=\"e-font-icon-svg e-fas-chevron-up\" viewBox=\"0 0 448 512\" xmlns=\"http:\/\/www.w3.org\/2000\/svg\"><path d=\"M240.971 130.524l194.343 194.343c9.373 9.373 9.373 24.569 0 33.941l-22.667 22.667c-9.357 9.357-24.522 9.375-33.901.04L224 227.495 69.255 381.516c-9.379 9.335-24.544 9.317-33.901-.04l-22.667-22.667c-9.373-9.373-9.373-24.569 0-33.941L207.03 130.525c9.372-9.373 24.568-9.373 33.941-.001z\"><\/path><\/svg><\/div>\n\t\t\t\t\t<\/div>\n\t\t\t\t<div id=\"elementor-toc__d5c5c70\" class=\"elementor-toc__body\">\n\t\t\t<div class=\"elementor-toc__spinner-container\">\n\t\t\t\t<svg class=\"elementor-toc__spinner eicon-animation-spin e-font-icon-svg e-eicon-loading\" aria-hidden=\"true\" viewBox=\"0 0 1000 1000\" xmlns=\"http:\/\/www.w3.org\/2000\/svg\"><path d=\"M500 975V858C696 858 858 696 858 500S696 142 500 142 142 304 142 500H25C25 237 238 25 500 25S975 237 975 500 763 975 500 975Z\"><\/path><\/svg>\t\t\t<\/div>\n\t\t<\/div>\n\t\t\t\t\t\t<\/div>\n\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t<div class=\"elementor-element elementor-element-917074d e-flex e-con-boxed e-con e-parent\" data-id=\"917074d\" data-element_type=\"container\" data-e-type=\"container\">\n\t\t\t\t\t<div class=\"e-con-inner\">\n\t\t\t\t<div class=\"elementor-element elementor-element-21f2763 elementor-widget elementor-widget-text-editor\" data-id=\"21f2763\" data-element_type=\"widget\" data-e-type=\"widget\" data-widget_type=\"text-editor.default\">\n\t\t\t\t\t\t\t\t\t<p>Zamislite da pri svakom va\u0161em posjetu web-stranica mora ispo\u010detka obraditi sve podatke kako bi u\u010ditala slike, prikazala stranice ili dohvatila informacije. To ne samo da produljuje vrijeme odziva nego i dodatno optere\u0107uje poslu\u017eitelj i resurse sustava. Upravo tu na scenu stupa predmemoriranje (caching). Pohranjivanjem \u010desto kori\u0161tenih podataka u br\u017eu memoriju predmemoriranje mo\u017ee skratiti vrijeme pristupa podacima i pobolj\u0161ati performanse sustava. No kako predmemoriranje funkcionira, koje vrste postoje i koji se izazovi mogu pojaviti pri njegovoj upotrebi?<\/p>\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t<div class=\"elementor-element elementor-element-3cda91c e-flex e-con-boxed e-con e-parent\" data-id=\"3cda91c\" data-element_type=\"container\" data-e-type=\"container\">\n\t\t\t\t\t<div class=\"e-con-inner\">\n\t\t\t\t<div class=\"elementor-element elementor-element-641c43c elementor-widget elementor-widget-text-editor\" data-id=\"641c43c\" data-element_type=\"widget\" data-e-type=\"widget\" data-widget_type=\"text-editor.default\">\n\t\t\t\t\t\t\t\t\t<h2>\u0160to je predmemoriranje?<\/h2><p>Predmemoriranje je postupak pohranjivanja \u010desto kori\u0161tenih podataka u posebnu memoriju. Pretpostavimo da svakih nekoliko minuta trebate pristupiti odre\u0111enoj aplikaciji ili podatku. Budu\u0107i da se tom podatku \u010desto pristupa, on se pohranjuje na mjesto koje se naziva predmemorija (cache) kako ga ne biste morali dohva\u0107ati pri svakoj upotrebi. Postoji mnogo razloga za predmemoriranje, ali jedan od najva\u017enijih je skra\u0107ivanje vremena pristupa podacima.<\/p><p>Tvrdi diskovi su spori, a ni najbr\u017ei od njih ne mogu dosti\u0107i brzinu RAM-a i procesora. Zbog toga dohva\u0107anje podataka s njih traje. Predmemorija je, me\u0111utim, druk\u010dija jer je rije\u010d o vrsti iznimno brze memorije. Ta memorija ima ograni\u010den kapacitet i u njoj se mogu pohraniti samo podaci kojima se \u010desto pristupa.<\/p>\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t<div class=\"elementor-element elementor-element-35dac7d e-flex e-con-boxed e-con e-parent\" data-id=\"35dac7d\" data-element_type=\"container\" data-e-type=\"container\">\n\t\t\t\t\t<div class=\"e-con-inner\">\n\t\t\t\t<div class=\"elementor-element elementor-element-6af3baa elementor-widget elementor-widget-text-editor\" data-id=\"6af3baa\" data-element_type=\"widget\" data-e-type=\"widget\" data-widget_type=\"text-editor.default\">\n\t\t\t\t\t\t\t\t\t<h2>Vrste predmemoriranja<\/h2><p>U ovom \u0107emo odjeljku pregledati razli\u010dite vrste predmemoriranja i njihovu primjenu.<\/p><ul><li><h3>Predmemoriranje na strani klijenta<\/h3>Kod ove metode podaci se pohranjuju na strani klijenta, obi\u010dno u web-pregledniku. Preglednik mo\u017ee u svojoj predmemoriji pohraniti kopije web-stranica i resursa poput slika kako bi ih pri sljede\u0107im posjetima mogao prikazati bez ponovnog dohva\u0107anja s poslu\u017eitelja. Primjerice, provjerom vremena posljednje izmjene stranice preglednik mo\u017ee utvrditi je li predmemorirana ina\u010dica jo\u0161 uvijek valjana.<\/li><li><h3>Predmemoriranje na strani poslu\u017eitelja<\/h3>Kod ove metode podaci se pohranjuju na strani poslu\u017eitelja kako bi se na zahtjeve odgovaralo br\u017ee te kako bi se smanjilo optere\u0107enje poslu\u017eitelja i mre\u017ee. Jedan od primjera je upotreba proxy poslu\u017eitelja za predmemoriranje, koji mo\u017ee pohraniti tra\u017eeni sadr\u017eaj i po potrebi isti sadr\u017eaj isporu\u010diti drugim korisnicima. DynaCache u IBM WebSphere Application Serveru jo\u0161 je jedan primjer mehanizma predmemoriranja na strani poslu\u017eitelja.<\/li><li><h3>Predmemoriranje cijele stranice<\/h3>Kod ove metode pohranjuje se kopija cijele generirane web-stranice kako bi se pri sljede\u0107im zahtjevima stranica mogla isporu\u010diti bez ponovnog izvr\u0161avanja svih procesa generiranja sadr\u017eaja. Ipak, ova je metoda prikladna samo ako se sadr\u017eaj stranice mo\u017ee predmemorirati i ako se njegovim promjenama pravilno upravlja.<\/li><li><h3>Predmemoriranje fragmenata<\/h3>Kod ove metode pojedini dijelovi stranice predmemoriraju se zasebno umjesto pohranjivanja cijele stranice. Takav je pristup koristan kada stranica sadr\u017ei i stati\u010dki i dinami\u010dki sadr\u017eaj. Predmemoriranjem dijelova koji se mogu pohraniti mogu\u0107e je pobolj\u0161ati performanse stranice bez potrebe za predmemoriranjem cijele stranice kao jedne cjeline.<\/li><li><h3>Predmemoriranje stati\u010dkog sadr\u017eaja<\/h3>Ova se metoda koristi za pohranjivanje sadr\u017eaja koji se rijetko mijenja, poput grafi\u010dkih slika i tekstualnih datoteka. Budu\u0107i da takav sadr\u017eaj obi\u010dno ne zahtijeva \u010desta a\u017euriranja, pohranjivanje njegove kopije u predmemoriju mo\u017ee smanjiti broj zahtjeva prema izvornom poslu\u017eitelju i skratiti vrijeme u\u010ditavanja stranica.<\/li><li><h3>Predmemoriranje dinami\u010dkog sadr\u017eaja<\/h3>Kod ove metode predmemorira se sadr\u017eaj koji se mo\u017ee \u010desto mijenjati ili se generira na temelju podataka i uvjeta vezanih uz korisnika. Budu\u0107i da dinami\u010dki sadr\u017eaj mo\u017ee biti personaliziran, posebno je va\u017eno upravljati valjano\u0161\u0107u predmemorije i odrediti kada je treba a\u017eurirati. DynaCache u IBM WebSphere Application Serveru primjer je rje\u0161enja za predmemoriranje dinami\u010dkog sadr\u017eaja.<\/li><\/ul>\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-e10552c elementor-widget elementor-widget-image\" data-id=\"e10552c\" data-element_type=\"widget\" data-e-type=\"widget\" data-widget_type=\"image.default\">\n\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t<img fetchpriority=\"high\" decoding=\"async\" width=\"800\" height=\"708\" src=\"https:\/\/potenting.com\/blog\/wp-content\/uploads\/2026\/10\/Types-of-Caching.webp\" class=\"attachment-large size-large wp-image-3497\" alt=\"Types of Caching\" srcset=\"https:\/\/potenting.com\/blog\/wp-content\/uploads\/2026\/10\/Types-of-Caching.webp 800w, https:\/\/potenting.com\/blog\/wp-content\/uploads\/2026\/10\/Types-of-Caching-300x266.webp 300w, https:\/\/potenting.com\/blog\/wp-content\/uploads\/2026\/10\/Types-of-Caching-768x680.webp 768w\" sizes=\"(max-width: 800px) 100vw, 800px\" \/>\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t<div class=\"elementor-element elementor-element-137bc46 e-flex e-con-boxed e-con e-parent\" data-id=\"137bc46\" data-element_type=\"container\" data-e-type=\"container\">\n\t\t\t\t\t<div class=\"e-con-inner\">\n\t\t\t\t<div class=\"elementor-element elementor-element-5777338 elementor-widget elementor-widget-text-editor\" data-id=\"5777338\" data-element_type=\"widget\" data-e-type=\"widget\" data-widget_type=\"text-editor.default\">\n\t\t\t\t\t\t\t\t\t<h2>Za\u0161to biste trebali koristiti predmemoriranje?<\/h2><p>Kao \u0161to je ve\u0107 spomenuto, jedan od razloga za predmemoriranje je br\u017ei pristup \u010desto kori\u0161tenim podacima. Osim toga, predmemoriranje smanjuje optere\u0107enje poslu\u017eitelja pri obradi. No za\u0161to?<\/p><p>Kada sustavu \u010desto treba odre\u0111eni podatak koji mora dohva\u0107ati iz pohrane, to ne samo da traje dulje nego zahtijeva i dodatnu obradu od strane CPU-a i drugih resursa sustava. Me\u0111utim, ako je taj podatak dostupan u predmemoriji, sustav mu mo\u017ee pristupiti i dohvatiti ga bez ponovnog pristupanja pohrani.<\/p><p>Predmemoriranje donosi i druge prednosti, koje je lak\u0161e razumjeti na primjeru. Pretpostavimo da imate 10 GB podataka koje treba pohraniti. Budu\u0107i da je procesor znatno br\u017ei od sustava za pohranu, sustav za pohranu mo\u017eda ne\u0107e mo\u0107i spremati te podatke istom brzinom. Upravo tu na scenu stupa predmemoriranje. Procesor \u0161alje podatke u predmemoriju, a ona ih zatim prikladnom brzinom proslje\u0111uje sustavu za pohranu. Tako procesor mo\u017ee nastaviti s radom bez nepotrebnih zastoja, a podaci se pritom ispravno pohranjuju.<\/p>\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t<div class=\"elementor-element elementor-element-1196b3f e-flex e-con-boxed e-con e-parent\" data-id=\"1196b3f\" data-element_type=\"container\" data-e-type=\"container\">\n\t\t\t\t\t<div class=\"e-con-inner\">\n\t\t\t\t<div class=\"elementor-element elementor-element-730d422 elementor-widget elementor-widget-text-editor\" data-id=\"730d422\" data-element_type=\"widget\" data-e-type=\"widget\" data-widget_type=\"text-editor.default\">\n\t\t\t\t\t\t\t\t\t<h2>Kako hosting utje\u010de na performanse web-stranice?<\/h2><p>Predmemoriranje mo\u017ee znatno pobolj\u0161ati performanse web-stranice, ali nije jedini \u010dimbenik koji odre\u0111uje koliko se brzo stranica u\u010ditava. Va\u017enu ulogu ima i infrastruktura hostinga. Resursi poslu\u017eitelja poput CPU-a, RAM-a, brzine pohrane i mre\u017enih performansi mogu utjecati na to koliko se brzo obra\u0111uju zahtjevi, osobito kada web-stranica ima velik promet.<\/p><p>\u010cak i uz u\u010dinkovitu strategiju predmemoriranja performanse web-stranice mogu ostati slabe ako hosting okru\u017eenje ne mo\u017ee u\u010dinkovito podnijeti njezino optere\u0107enje. Odabir hosting usluge s dovoljno resursa i pouzdanim performansama mo\u017ee pomo\u0107i u skra\u0107ivanju vremena odziva poslu\u017eitelja i pobolj\u0161anju korisni\u010dkog iskustva. Stoga, ako \u017eelite pobolj\u0161ati brzinu i performanse svoje web-stranice, istra\u017eivanje paketa <a href=\"\/hr\/webhosting\/\">web hostinga<\/a> koji odgovaraju potrebama va\u0161e stranice mo\u017ee biti u\u010dinkovit korak uz primjenu tehnika optimizacije.<\/p>\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t<div class=\"elementor-element elementor-element-7570a06 e-flex e-con-boxed e-con e-parent\" data-id=\"7570a06\" data-element_type=\"container\" data-e-type=\"container\">\n\t\t\t\t\t<div class=\"e-con-inner\">\n\t\t\t\t<div class=\"elementor-element elementor-element-b3af328 elementor-widget elementor-widget-text-editor\" data-id=\"b3af328\" data-element_type=\"widget\" data-e-type=\"widget\" data-widget_type=\"text-editor.default\">\n\t\t\t\t\t\t\t\t\t<h2>Kako funkcionira predmemoriranje?<\/h2><p>Predmemoriranje postoji u razli\u010ditim oblicima i predstavlja vrstu pohrane. Kada se zatra\u017ee podaci, najprije se provjerava predmemorija, a tek onda se podaci dohva\u0107aju s tvrdog diska. Me\u0111utim, budu\u0107i da predmemorija ima ograni\u010den kapacitet, u nju se ne mogu pohraniti svi podaci sustava. Zato sustav mora odrediti koje \u0107e podatke pohraniti u predmemoriju.<\/p><p>S druge strane, kada je predmemorija puna, a potrebno je dodati nove podatke kojima se \u010desto pristupa, sustav mora odlu\u010diti koje postoje\u0107e podatke ukloniti. Za tu svrhu postoje razli\u010diti algoritmi koji procjenjuju koji \u0107e se podaci najvjerojatnije najmanje ponovno koristiti.<\/p>\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t<div class=\"elementor-element elementor-element-4ee719d e-flex e-con-boxed e-con e-parent\" data-id=\"4ee719d\" data-element_type=\"container\" data-e-type=\"container\">\n\t\t\t\t\t<div class=\"e-con-inner\">\n\t\t\t\t<div class=\"elementor-element elementor-element-51b9e52 elementor-widget elementor-widget-text-editor\" data-id=\"51b9e52\" data-element_type=\"widget\" data-e-type=\"widget\" data-widget_type=\"text-editor.default\">\n\t\t\t\t\t\t\t\t\t<h2>\u0160to je proma\u0161aj predmemorije (cache miss)?<\/h2><p>Kada aplikacija tra\u017ei razli\u010dite vrste podataka, zahtjevi se \u0161alju predmemoriji. Ako tra\u017eeni podaci nisu dostupni u predmemoriji, broj proma\u0161aja predmemorije raste. To zna\u010di da je sustav vi\u0161e puta pristupio predmemoriji, ali budu\u0107i da potrebni podaci nisu bili dostupni, morao ih je dohvatiti iz pohrane.<\/p><p>To smanjuje performanse sustava. Kako bi se taj problem rije\u0161io, mo\u017ee se pove\u0107ati kapacitet predmemorije.<\/p>\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t<div class=\"elementor-element elementor-element-82c6df1 e-flex e-con-boxed e-con e-parent\" data-id=\"82c6df1\" data-element_type=\"container\" data-e-type=\"container\">\n\t\t\t\t\t<div class=\"e-con-inner\">\n\t\t\t\t<div class=\"elementor-element elementor-element-cafb898 elementor-widget elementor-widget-text-editor\" data-id=\"cafb898\" data-element_type=\"widget\" data-e-type=\"widget\" data-widget_type=\"text-editor.default\">\n\t\t\t\t\t\t\t\t\t<h2>\u0160to je RAID kontroler?<\/h2><p>RAID kontroler je hardverska komponenta u poslu\u017eiteljima posebno osmi\u0161ljena za pobolj\u0161anje performansi predmemoriranja i pohrane. Uz pomo\u0107 flash memorije njegova predmemorija pru\u017ea dodatni kapacitet pohrane i znatno pobolj\u0161ava performanse poslu\u017eitelja.<\/p>\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t<div class=\"elementor-element elementor-element-ef3e64c e-flex e-con-boxed e-con e-parent\" data-id=\"ef3e64c\" data-element_type=\"container\" data-e-type=\"container\">\n\t\t\t\t\t<div class=\"e-con-inner\">\n\t\t\t\t<div class=\"elementor-element elementor-element-740b1f3 elementor-widget elementor-widget-text-editor\" data-id=\"740b1f3\" data-element_type=\"widget\" data-e-type=\"widget\" data-widget_type=\"text-editor.default\">\n\t\t\t\t\t\t\t\t\t<h2>Izazovi predmemoriranja<\/h2><ul><li>Lokalna predmemorija: pohranjivanje razli\u010ditih ina\u010dica istih podataka na vi\u0161e sustava mo\u017ee dovesti do nedosljednosti podataka i smanjiti u\u010dinkovitost predmemoriranja.<\/li><li>Problem koherentnosti predmemorije: kada se podaci promijene u jednoj predmemoriji, izazov je odr\u017eati odgovaraju\u0107e kopije tih podataka uskla\u0111enima u ostalim predmemorijama.<\/li><li>Proboj predmemorije (cache penetration): javlja se kada tra\u017eeni podaci ne postoje ni u predmemoriji ni u izvornoj bazi podataka. Upotreba Bloomova filtra mo\u017ee pomo\u0107i u ubla\u017eavanju tog problema.<\/li><li>Lavina predmemorije (cache avalanche): kvar predmemorije ili istodobno istjecanje velikog broja predmemoriranih stavki mo\u017ee prema bazi podataka uputiti golemu koli\u010dinu zahtjeva i potencijalno izazvati prekide u radu. Upotreba klastera predmemorije i alata poput Hystrixa mo\u017ee pomo\u0107i u ubla\u017eavanju tog problema.<\/li><\/ul>\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t<div class=\"elementor-element elementor-element-b3cff08 e-flex e-con-boxed e-con e-parent\" data-id=\"b3cff08\" data-element_type=\"container\" data-e-type=\"container\">\n\t\t\t\t\t<div class=\"e-con-inner\">\n\t\t\t\t<div class=\"elementor-element elementor-element-e55c7cb elementor-widget elementor-widget-text-editor\" data-id=\"e55c7cb\" data-element_type=\"widget\" data-e-type=\"widget\" data-widget_type=\"text-editor.default\">\n\t\t\t\t\t\t\t\t\t<h2>Zaklju\u010dak<\/h2><p>Predmemoriranje je u\u010dinkovit na\u010din za pobolj\u0161anje performansi sustava, skra\u0107ivanje vremena pristupa podacima i smanjenje optere\u0107enja poslu\u017eitelja pri obradi. Ovisno o zahtjevima sustava, mogu se koristiti razli\u010dite metode predmemoriranja za pohranjivanje \u010desto kori\u0161tenih podataka i njihovu br\u017eu isporuku. Ipak, odabir prave strategije predmemoriranja i pravilno upravljanje predmemoriranim podacima klju\u010dni su za odr\u017eavanje performansi i sprje\u010davanje problema poput proma\u0161aja predmemorije, problema koherentnosti predmemorije i lavine predmemorije. Razumijevanje na\u010dina rada predmemoriranja, njegovih vrsta i mogu\u0107ih izazova poma\u017ee vam da donosite bolje odluke pri projektiranju i optimizaciji sustava.<\/p>\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t<div class=\"elementor-element elementor-element-56aa431 e-flex e-con-boxed e-con e-parent\" data-id=\"56aa431\" data-element_type=\"container\" data-e-type=\"container\">\n\t\t\t\t\t<div class=\"e-con-inner\">\n\t\t<div class=\"elementor-element elementor-element-4cd24fe e-con-full e-flex e-con e-child\" data-id=\"4cd24fe\" data-element_type=\"container\" data-e-type=\"container\">\n\t\t\t\t<div class=\"elementor-element elementor-element-3c9b0eb elementor-view-default elementor-widget elementor-widget-icon\" data-id=\"3c9b0eb\" data-element_type=\"widget\" data-e-type=\"widget\" data-widget_type=\"icon.default\">\n\t\t\t\t\t\t\t<div class=\"elementor-icon-wrapper\">\n\t\t\t<div class=\"elementor-icon\">\n\t\t\t<svg aria-hidden=\"true\" class=\"e-font-icon-svg e-far-question-circle\" viewBox=\"0 0 512 512\" xmlns=\"http:\/\/www.w3.org\/2000\/svg\"><path d=\"M256 8C119.043 8 8 119.083 8 256c0 136.997 111.043 248 248 248s248-111.003 248-248C504 119.083 392.957 8 256 8zm0 448c-110.532 0-200-89.431-200-200 0-110.495 89.472-200 200-200 110.491 0 200 89.471 200 200 0 110.53-89.431 200-200 200zm107.244-255.2c0 67.052-72.421 68.084-72.421 92.863V300c0 6.627-5.373 12-12 12h-45.647c-6.627 0-12-5.373-12-12v-8.659c0-35.745 27.1-50.034 47.579-61.516 17.561-9.845 28.324-16.541 28.324-29.579 0-17.246-21.999-28.693-39.784-28.693-23.189 0-33.894 10.977-48.942 29.969-4.057 5.12-11.46 6.071-16.666 2.124l-27.824-21.098c-5.107-3.872-6.251-11.066-2.644-16.363C184.846 131.491 214.94 112 261.794 112c49.071 0 101.45 38.304 101.45 88.8zM298 368c0 23.159-18.841 42-42 42s-42-18.841-42-42 18.841-42 42-42 42 18.841 42 42z\"><\/path><\/svg>\t\t\t<\/div>\n\t\t<\/div>\n\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t<div class=\"elementor-element elementor-element-fee56b6 e-con-full e-flex e-con e-child\" data-id=\"fee56b6\" data-element_type=\"container\" data-e-type=\"container\">\n\t\t\t\t<div class=\"elementor-element elementor-element-6b539ae elementor-widget elementor-widget-text-editor\" data-id=\"6b539ae\" data-element_type=\"widget\" data-e-type=\"widget\" data-widget_type=\"text-editor.default\">\n\t\t\t\t\t\t\t\t\t<h2>\u010cesta pitanja<\/h2>\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-1cbe91b elementor-widget elementor-widget-text-editor\" data-id=\"1cbe91b\" data-element_type=\"widget\" data-e-type=\"widget\" data-widget_type=\"text-editor.default\">\n\t\t\t\t\t\t\t\t\t<h3>1. Kako funkcioniraju algoritmi za izbacivanje podataka iz predmemorije?<\/h3><p style=\"padding-left: 40px;\">Algoritmi za izbacivanje podataka iz predmemorije odre\u0111uju koje podatke treba ukloniti kada predmemorija dosegne svoj kapacitet. Algoritmi poput LRU (Least Recently Used) i LFU (Least Frequently Used) odabiru podatke na temelju toga koliko im se nedavno ili koliko \u010desto pristupalo.<\/p><p style=\"padding-left: 40px;\">Upotreba obiju metoda pobolj\u0161ava sigurnost dediciranog poslu\u017eitelja i dostupnost usluge.<\/p>\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-37e992e elementor-widget elementor-widget-text-editor\" data-id=\"37e992e\" data-element_type=\"widget\" data-e-type=\"widget\" data-widget_type=\"text-editor.default\">\n\t\t\t\t\t\t\t\t\t<h3>2. \u0160to je koherentnost predmemorije i za\u0161to je va\u017ena?<\/h3><p style=\"padding-left: 40px;\">Koherentnost predmemorije osigurava da vi\u0161e predmemoriranih kopija istih podataka ostane me\u0111usobno uskla\u0111eno kada do\u0111e do promjena. Posebno je va\u017ena u distribuiranim sustavima i vi\u0161eprocesorskim okru\u017eenjima u kojima vi\u0161e predmemorija mo\u017ee sadr\u017eavati kopije istih podataka.<\/p>\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t","protected":false},"excerpt":{"rendered":"<p>Zamislite da pri svakom va\u0161em posjetu web-stranica mora ispo\u010detka obraditi sve podatke kako bi u\u010ditala slike, prikazala stranice ili dohvatila informacije. To ne samo da produljuje vrijeme odziva nego i dodatno optere\u0107uje poslu\u017eitelj i resurse sustava. Upravo tu na scenu stupa predmemoriranje (caching). Pohranjivanjem \u010desto kori\u0161tenih podataka u br\u017eu memoriju predmemoriranje mo\u017ee skratiti vrijeme pristupa [\u2026]<\/p>\n","protected":false},"author":7,"featured_media":3490,"comment_status":"open","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[1],"tags":[],"class_list":["post-3613","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-uncategorized"],"yoast_head":"<!-- This site is optimized with the Yoast SEO plugin v28.8 - https:\/\/yoast.com\/product\/yoast-seo-wordpress\/ -->\n<title>\u0160to je predmemoriranje i kako utje\u010de na brzinu web-stranice?<\/title>\n<meta name=\"description\" content=\"Saznajte \u0161to je predmemoriranje, kako radi, njegove vrste, prednosti i izazove te kako ubrzava web-stranicu i pobolj\u0161ava rad poslu\u017eitelja.\" \/>\n<meta name=\"robots\" content=\"index, follow, max-snippet:-1, max-image-preview:large, max-video-preview:-1\" \/>\n<link rel=\"canonical\" href=\"https:\/\/potenting.com\/hr\/blog\/what-is-caching-how-it-works-and-why-it-matters\/\" \/>\n<meta property=\"og:locale\" content=\"hr_HR\" \/>\n<meta property=\"og:type\" content=\"article\" \/>\n<meta property=\"og:title\" content=\"\u0160to je predmemoriranje i kako utje\u010de na brzinu web-stranice?\" \/>\n<meta property=\"og:description\" content=\"Saznajte \u0161to je predmemoriranje, kako radi, njegove vrste, prednosti i izazove te kako ubrzava web-stranicu i pobolj\u0161ava rad poslu\u017eitelja.\" \/>\n<meta property=\"og:url\" content=\"https:\/\/potenting.com\/hr\/blog\/what-is-caching-how-it-works-and-why-it-matters\/\" \/>\n<meta property=\"og:site_name\" content=\"Potenting Blog\" \/>\n<meta property=\"article:published_time\" content=\"2026-10-27T09:30:00+00:00\" \/>\n<meta property=\"article:modified_time\" content=\"2026-10-27T09:53:39+00:00\" \/>\n<meta property=\"og:image\" content=\"https:\/\/potenting.com\/blog\/wp-content\/uploads\/2026\/10\/Dedicated-Server-Security-2.webp\" \/>\n\t<meta property=\"og:image:width\" content=\"966\" \/>\n\t<meta property=\"og:image:height\" content=\"665\" \/>\n\t<meta property=\"og:image:type\" content=\"image\/webp\" \/>\n<meta name=\"author\" content=\"Nina Ash\" \/>\n<meta name=\"twitter:card\" content=\"summary_large_image\" \/>\n<meta name=\"twitter:label1\" content=\"Written by\" \/>\n\t<meta name=\"twitter:data1\" content=\"Nina Ash\" \/>\n\t<meta name=\"twitter:label2\" content=\"Est. reading time\" \/>\n\t<meta name=\"twitter:data2\" content=\"7 minutes\" \/>\n<script type=\"application\/ld+json\" class=\"yoast-schema-graph\">{\"@context\":\"https:\\\/\\\/schema.org\",\"@graph\":[{\"@type\":\"Article\",\"@id\":\"https:\\\/\\\/potenting.com\\\/hr\\\/blog\\\/what-is-caching-how-it-works-and-why-it-matters\\\/#article\",\"isPartOf\":{\"@id\":\"https:\\\/\\\/potenting.com\\\/hr\\\/blog\\\/what-is-caching-how-it-works-and-why-it-matters\\\/\"},\"author\":{\"name\":\"Nina Ash\",\"@id\":\"https:\\\/\\\/potenting.com\\\/blog\\\/#\\\/schema\\\/person\\\/743a7b4616c4d55a0ed17f5ac379fcdb\"},\"headline\":\"\u0160to je predmemoriranje (caching)? 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