{"id":409,"date":"2021-03-03T12:32:50","date_gmt":"2021-03-03T12:32:50","guid":{"rendered":"https:\/\/dev.sourcecode.sk\/wsczkb\/?post_type=ht_kb&#038;p=409"},"modified":"2021-07-19T15:50:54","modified_gmt":"2021-07-19T13:50:54","slug":"vysoka-cpu-zatez","status":"publish","type":"ht_kb","link":"https:\/\/www.websupport.cz\/podpora\/kb\/vysoka-cpu-zatez\/","title":{"rendered":"Vysok\u00e1 CPU z\u00e1t\u011b\u017e"},"content":{"rendered":"\n<p style=\"font-size:18px\">Statistiky spot\u0159eby CPU jednotliv\u00fdch webov\u00fdch str\u00e1nek na sd\u00edlen\u00e9m hostingu reprezentuj\u00ed v\u00fdpo\u010dtov\u00fd \u010das webov\u00e9ho serveru, pot\u0159ebn\u00fd na jejich provoz. Pokud je CPU z\u00e1t\u011b\u017e vysok\u00e1, mo\u017en\u00fdch d\u016fvod\u016f je v\u00edce.<\/p>\n\n\n\n<hr class=\"wp-block-separator\"\/>\n\n\n\n<ul class=\"wp-block-list\"><li>Cel\u00e1 str\u00e1nka, nebo jen jedna jej\u00ed \u010d\u00e1st, za\u017e\u00edv\u00e1 velmi vysokou n\u00e1v\u0161t\u011bvnost. Podivejte se na logy, nebo viz\u00a0<a href=\"https:\/\/www.websupport.cz\/podpora\/kb\/statistiky-hostingu\/\">n\u00e1\u0161 n\u00e1vod<\/a>\u00a0a zkuste zjistit, kter\u00e1 \u010d\u00e1st str\u00e1nky za\u017e\u00edv\u00e1 zv\u00fd\u0161en\u00fd n\u00e1por.\u00a0<\/li><li>Str\u00e1nka m\u016f\u017ee b\u00fdt hacknut\u00e1. Pod\u00edvejte se, jestli na n\u00ed nep\u0159ibyly ne\u017e\u00e1douc\u00ed soubory, jako nap\u0159\u00edklad koment\u00e1\u0159e v diskus\u00edch. Zkontrolujte si nastaven\u00ed v .htaccess souboru, mohly se tam objevit nap\u0159\u00edklad ne\u017e\u00e1douc\u00ed p\u0159esm\u011brov\u00e1n\u00ed. Ve statistik\u00e1ch o n\u00e1v\u0161t\u011bvnosti se pod\u00edvejte, z kter\u00fdch zem\u00ed p\u0159ich\u00e1zej\u00ed po\u017eadavky. Pokud p\u0159ich\u00e1zej\u00ed ze zahrani\u010d\u00ed, z exotick\u00fdch zem\u00ed a podobn\u011b, je to v\u00e1\u017en\u00e1 indikace, \u017ee str\u00e1nka je hacknut\u00e1. Porovnejte si str\u00e1nku se strar\u0161\u00edmi z\u00e1lohami. Pro jistotu si zm\u011b\u0148te p\u0159\u00edstupov\u00e1 hesla ke str\u00e1nce.<\/li><li>Pokud je v\u0161echna n\u00e1v\u0161t\u011bvnost na Va\u0161i str\u00e1nku legitimn\u00ed a stejn\u011b za\u017e\u00edv\u00e1 zv\u00fd\u0161enou CPU z\u00e1t\u011b\u017e, m\u016f\u017ee b\u00fdt PHP aplikace nevhodn\u011b napsan\u00e1. Zkontrolujte jej\u00ed zdrojov\u00fd k\u00f3d, p\u0159\u00edpadn\u011b jestli v n\u011bm nen\u00ed prostor pro optimalizaci. <\/li><li>Probl\u00e9m m\u016f\u017ee b\u00fdt i datab\u00e1ze pln\u00e1 spamu. Jak\u00e9koliv dotazy na takovou (v\u011bt\u0161inou n\u011bkolik GB velkou) datab\u00e1zi trvaj\u00ed velmi dlouho, co\u017e generuje vysokou z\u00e1t\u011b\u017e na CPU i na I\/O,  a odezva Va\u0161\u00ed str\u00e1nky je velmi pomal\u00e1. P\u0159ekontrolujte tabulky sv\u00fdch datab\u00e1z\u00ed, hlavn\u011b ty, kter\u00e9 v n\u00e1zvu nesou slovo &#8222;comments&#8220;, jestli se v nich nenach\u00e1z\u00ed mno\u017estv\u00ed necht\u011bn\u00fdch p\u0159\u00edsp\u011bvk\u016f, v\u011bt\u0161inou odkazuj\u00edc\u00edch na zahrani\u010dn\u00ed webov\u00e9 str\u00e1nky. Takov\u00e9 necht\u011bn\u00e9 z\u00e1znamy ze sv\u00e9 datab\u00e1ze vyma\u017ete a formul\u00e1\u0159e, kter\u00e9 do n\u00ed zapisuj\u00ed, chra\u0148te pomoc\u00ed CAPTCHA nebo GeoIP.<\/li><li>M\u016f\u017eete po\u017e\u00e1dat na\u0161i technickou podporu o placenou anal\u00fdzu v\u00fdkonu str\u00e1nky. Na\u0161i zku\u0161en\u00ed administr\u00e1to\u0159i V\u00e1m porad\u00ed, kde je p\u0159\u00edpadn\u00fd prostor na optimalizaci jej\u00edho v\u00fdkonu a spot\u0159eby zdroj\u016f.<\/li><\/ul>\n\n\n\n<p class=\"has-medium-font-size\"><strong>Co doporu\u010dujeme ud\u011blat pro sn\u00ed\u017een\u00ed CPU z\u00e1t\u011b\u017ee <\/strong><\/p>\n\n\n\n<ul class=\"wp-block-list\"><li>Zapn\u011bte si dostupn\u00e9 formy cachov\u00e1n\u00ed obsahu Va\u0161\u00ed webov\u00e9 str\u00e1nky<\/li><li>Zva\u017ete upgrade PHP verze na nejvy\u0161\u0161\u00ed aktu\u00e1ln\u00ed verzi a tak\u00e9 p\u0159esun na datab\u00e1zov\u00fd server nejnov\u011bj\u0161\u00ed verze. Pokud pou\u017e\u00edv\u00e1te standardizovan\u00fd redak\u010dn\u00ed syst\u00e9m jako WordPress, Joomla, alebo Drupal, takt\u00e9\u017e doporu\u010dujeme p\u0159ej\u00edt na nejvy\u0161\u0161\u00ed dostupnou verzi. M\u016f\u017ee b\u00fdt rychlej\u0161\u00ed a hlavn\u011b z n\u00ed budou odstran\u011bn\u00e9 p\u0159\u00edpadn\u00e9 bezpe\u010dnostn\u00ed d\u00edry.<\/li><\/ul>\n\n\n\n<p>Pokud i po revidovan\u00ed n\u00e1v\u0161t\u011bvnosti a zdrojov\u00e9ho k\u00f3du webov\u00e9 aplikace str\u00e1nka za\u017e\u00edv\u00e1 vysokou CPU spot\u0159ebu, m\u016f\u017ee b\u00fdt problematick\u00e9 ji provozovat na sd\u00edlen\u00e9 architektu\u0159e. M\u016f\u017ee toti\u017e ohro\u017eovat provoz jin\u00fdch web\u016f. Proto V\u00e1s m\u016f\u017eeme po\u017e\u00e1dat o p\u0159esun na vlastn\u00ed virtu\u00e1ln\u00ed VPS server, nebo dedikovan\u00fd fyzick\u00fd server.<\/p>\n","protected":false},"excerpt":{"rendered":"<p>Statistiky spot\u0159eby CPU jednotliv\u00fdch webov\u00fdch str\u00e1nek na sd\u00edlen\u00e9m hostingu reprezentuj\u00ed v\u00fdpo\u010dtov\u00fd \u010das webov\u00e9ho serveru, pot\u0159ebn\u00fd na jejich provoz. Pokud je CPU z\u00e1t\u011b\u017e vysok\u00e1, mo\u017en\u00fdch d\u016fvod\u016f je v\u00edce. Cel\u00e1 str\u00e1nka, nebo jen jedna jej\u00ed \u010d\u00e1st, za\u017e\u00edv\u00e1 velmi vysokou n\u00e1v\u0161t\u011bvnost. Podivejte se na logy, nebo viz\u00a0n\u00e1\u0161 n\u00e1vod\u00a0a zkuste zjistit, kter\u00e1 \u010d\u00e1st str\u00e1nky&#8230;<\/p>\n","protected":false},"author":3,"template":"","format":"standard","meta":{"footnotes":""},"ht-kb-category":[87,15],"ht-kb-tag":[],"class_list":["post-409","ht_kb","type-ht_kb","status-publish","format-standard","hentry","ht_kb_category-chybove-hlasky","ht_kb_category-hosting"],"yoast_head":"<!-- This site is optimized with the Yoast SEO plugin v27.2 - https:\/\/yoast.com\/product\/yoast-seo-wordpress\/ -->\n<title>Vysok\u00e1 CPU z\u00e1t\u011b\u017e - Websupport Centrum n\u00e1pov\u011bdy<\/title>\n<meta name=\"robots\" content=\"index, follow, max-snippet:-1, max-image-preview:large, max-video-preview:-1\" \/>\n<link rel=\"canonical\" href=\"https:\/\/www.websupport.cz\/podpora\/kb\/vysoka-cpu-zatez\/\" \/>\n<meta property=\"og:locale\" content=\"cs_CZ\" \/>\n<meta property=\"og:type\" content=\"article\" \/>\n<meta property=\"og:title\" content=\"Vysok\u00e1 CPU z\u00e1t\u011b\u017e - Websupport Centrum n\u00e1pov\u011bdy\" \/>\n<meta property=\"og:description\" content=\"Statistiky spot\u0159eby CPU jednotliv\u00fdch webov\u00fdch str\u00e1nek na sd\u00edlen\u00e9m hostingu reprezentuj\u00ed v\u00fdpo\u010dtov\u00fd \u010das webov\u00e9ho serveru, pot\u0159ebn\u00fd na jejich provoz. 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Podivejte se na logy, nebo viz\u00a0n\u00e1\u0161 n\u00e1vod\u00a0a zkuste zjistit, kter\u00e1 \u010d\u00e1st str\u00e1nky...\" \/>\n<meta property=\"og:url\" content=\"https:\/\/www.websupport.cz\/podpora\/kb\/vysoka-cpu-zatez\/\" \/>\n<meta property=\"og:site_name\" content=\"Websupport Centrum n\u00e1pov\u011bdy\" \/>\n<meta property=\"article:modified_time\" content=\"2021-07-19T13:50:54+00:00\" \/>\n<meta name=\"twitter:card\" content=\"summary_large_image\" \/>\n<meta name=\"twitter:label1\" content=\"Odhadovan\u00e1 doba \u010dten\u00ed\" \/>\n\t<meta name=\"twitter:data1\" content=\"2 minuty\" \/>\n<script type=\"application\/ld+json\" class=\"yoast-schema-graph\">{\"@context\":\"https:\/\/schema.org\",\"@graph\":[{\"@type\":\"WebPage\",\"@id\":\"https:\/\/www.websupport.cz\/podpora\/kb\/vysoka-cpu-zatez\/\",\"url\":\"https:\/\/www.websupport.cz\/podpora\/kb\/vysoka-cpu-zatez\/\",\"name\":\"Vysok\u00e1 CPU z\u00e1t\u011b\u017e - Websupport Centrum n\u00e1pov\u011bdy\",\"isPartOf\":{\"@id\":\"https:\/\/www.websupport.cz\/podpora\/#website\"},\"datePublished\":\"2021-03-03T12:32:50+00:00\",\"dateModified\":\"2021-07-19T13:50:54+00:00\",\"breadcrumb\":{\"@id\":\"https:\/\/www.websupport.cz\/podpora\/kb\/vysoka-cpu-zatez\/#breadcrumb\"},\"inLanguage\":\"cs\",\"potentialAction\":[{\"@type\":\"ReadAction\",\"target\":[\"https:\/\/www.websupport.cz\/podpora\/kb\/vysoka-cpu-zatez\/\"]}]},{\"@type\":\"BreadcrumbList\",\"@id\":\"https:\/\/www.websupport.cz\/podpora\/kb\/vysoka-cpu-zatez\/#breadcrumb\",\"itemListElement\":[{\"@type\":\"ListItem\",\"position\":1,\"name\":\"Home\",\"item\":\"https:\/\/www.websupport.cz\/podpora\/\"},{\"@type\":\"ListItem\",\"position\":2,\"name\":\"Vysok\u00e1 CPU z\u00e1t\u011b\u017e\"}]},{\"@type\":\"WebSite\",\"@id\":\"https:\/\/www.websupport.cz\/podpora\/#website\",\"url\":\"https:\/\/www.websupport.cz\/podpora\/\",\"name\":\"Websupport Centrum n\u00e1pov\u011bdy\",\"description\":\"\",\"potentialAction\":[{\"@type\":\"SearchAction\",\"target\":{\"@type\":\"EntryPoint\",\"urlTemplate\":\"https:\/\/www.websupport.cz\/podpora\/?s={search_term_string}\"},\"query-input\":{\"@type\":\"PropertyValueSpecification\",\"valueRequired\":true,\"valueName\":\"search_term_string\"}}],\"inLanguage\":\"cs\"}]}<\/script>\n<!-- \/ Yoast SEO plugin. -->","yoast_head_json":{"title":"Vysok\u00e1 CPU z\u00e1t\u011b\u017e - Websupport Centrum n\u00e1pov\u011bdy","robots":{"index":"index","follow":"follow","max-snippet":"max-snippet:-1","max-image-preview":"max-image-preview:large","max-video-preview":"max-video-preview:-1"},"canonical":"https:\/\/www.websupport.cz\/podpora\/kb\/vysoka-cpu-zatez\/","og_locale":"cs_CZ","og_type":"article","og_title":"Vysok\u00e1 CPU z\u00e1t\u011b\u017e - Websupport Centrum n\u00e1pov\u011bdy","og_description":"Statistiky spot\u0159eby CPU jednotliv\u00fdch webov\u00fdch str\u00e1nek na sd\u00edlen\u00e9m hostingu reprezentuj\u00ed v\u00fdpo\u010dtov\u00fd \u010das webov\u00e9ho serveru, pot\u0159ebn\u00fd na jejich provoz. 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