{"id":3102,"date":"2019-01-13T15:34:33","date_gmt":"2019-01-13T14:34:33","guid":{"rendered":"https:\/\/www.websupport.sk\/podpora\/?post_type=ht_kb&#038;p=3102"},"modified":"2019-01-29T09:14:59","modified_gmt":"2019-01-29T08:14:59","slug":"vysoka-io-zataz","status":"publish","type":"ht_kb","link":"https:\/\/www.websupport.sk\/podpora\/kb\/vysoka-io-zataz\/","title":{"rendered":"Vysok\u00e1 IO z\u00e1\u0165a\u017e"},"content":{"rendered":"\n<p style=\"font-size:18px\">Zv\u00fd\u0161en\u00e1 I\/O (Input\/Output) z\u00e1\u0165a\u017e predstavuje zv\u00fd\u0161en\u00fd po\u010det pr\u00edstupov k va\u0161im d\u00e1tam. \u0160tatistiky I\/O z\u00e1\u0165a\u017e\u00ed reprezentuj\u00fa v\u0161etky v\u00fdmeny d\u00e1t medzi webovskou aplik\u00e1ciou be\u017eiacou na webovskom Apache serveri a diskov\u00fdm po\u013eom a RAM pam\u00e4\u0165ou.<\/p>\n\n\n\n<hr class=\"wp-block-separator\"\/>\n\n\n\n<h3 class=\"wp-block-heading\"><strong>D\u00f4vody<\/strong><\/h3>\n\n\n\n<ul class=\"wp-block-list\"><li>Cel\u00e1 str\u00e1nka, alebo len jedna jej \u010dast, za\u017e\u00edva ve\u013emi vysok\u00fa n\u00e1v\u0161tevnos\u0165. Pozrite si n\u00e1v\u0161tevnos\u0165 celej str\u00e1nky, \u010di pri niektorej podstr\u00e1nke nie s\u00fa podozriv\u00e9 \u010d\u00edsla. Odpor\u00fa\u010dan\u00fd n\u00e1stroj na sledovanie \u0161tatistiky n\u00e1v\u0161tevnosti je napr\u00edklad Google analytics.<\/li><li>Str\u00e1nka m\u00f4\u017ee by\u0165 hacknut\u00e1. Pozrite, \u010di na nej nepribudli ne\u017eiad\u00face s\u00fabory, ako napr\u00edklad koment\u00e1re v diskusi\u00e1ch. Skontrolujte si nastavenia v .htaccess s\u00fabore. V \u0161tatistik\u00e1ch o n\u00e1v\u0161tevnosti si pozrite, z ktor\u00fdch kraj\u00edn prich\u00e1dzaj\u00fa po\u017eiadavky. Ak zo zahrani\u010dia, z exotick\u00fdch kraj\u00edn a podobne, je to v\u00e1\u017ena indik\u00e1cia, \u017ee je str\u00e1nka hacknut\u00e1. Porovnajte si str\u00e1nku so star\u0161\u00edmi z\u00e1lohami. Pre istotu si pome\u0148te pr\u00edstupov\u00e9 hesl\u00e1 k str\u00e1nke.&nbsp;<\/li><li>Ak je v\u0161etka n\u00e1v\u0161tevnos\u0165 na va\u0161u str\u00e1nku legit\u00edmna a predsa za\u017e\u00edva zv\u00fd\u0161en\u00fa I\/O z\u00e1\u0165a\u017e, m\u00f4\u017ee by\u0165 PHP aplik\u00e1cia nevhodne nap\u00edsan\u00e1. Prezrite si jej zdrojov\u00fd k\u00f3d, \u010di zbyto\u010dne nena\u010d\u00edtava, alebo nezapisuje ve\u013ek\u00e9 mno\u017estvo s\u00faborov.&nbsp;<\/li><li>M\u00f4\u017eete po\u017eiada\u0165 na\u0161u technick\u00fa podporu o platen\u00fa anal\u00fdzu v\u00fdkonu str\u00e1nky. Na\u0161i sk\u00fasen\u00ed administr\u00e1tori v\u00e1m poradia, kde je pr\u00edpadn\u00fd priestor na optimaliz\u00e1ciu jej v\u00fdkonu a spotreby zdrojov.&nbsp;<\/li><li>\u010cast\u00fdm d\u00f4vodom I\/O z\u00e1\u0165a\u017ee je vykon\u00e1vanie z\u00e1lohovania vo vlastnej r\u00e9\u017eii. Hlavne CMS syst\u00e9my v defaultnom nastaven\u00ed zvykn\u00fa vykon\u00e1va\u0165 z\u00e1lohovanie cel\u00e9ho hostingu a to vr\u00e1tane u\u017e sk\u00f4r vytvoren\u00fdch z\u00e1loh. Ve\u013ekos\u0165 takejto z\u00e1lohy (web + star\u00e9 z\u00e1lohy) rastie exponenci\u00e1lne s ka\u017edou iter\u00e1ciou a na hostingu m\u00f4\u017ee d\u00f4js\u0165 k narazeniu na kv\u00f3tu diskov\u00e9ho priestoru alebo pr\u00e1ve k vysokej I\/O z\u00e1\u0165a\u017ei. Odpor\u00fa\u010dame preveri\u0165 nastavenia z\u00e1lohovania a vynecha\u0165 zo z\u00e1lohovania adres\u00e1r kam sa ukladaj\u00fa v\u00fdsledn\u00e9 z\u00e1lohy. Pr\u00edpadne sa m\u00f4\u017eete spo\u013eahn\u00fa\u0165 na na\u0161e z\u00e1lohovacie rie\u0161enia a tie svoje v\u00f4bec nerie\u0161i\u0165.<\/li><\/ul>\n\n\n\n<h3 class=\"wp-block-heading\"><strong>Ako zn\u00ed\u017ei\u0165 I\/O z\u00e1\u0165a\u017e<\/strong><\/h3>\n\n\n\n<ul class=\"wp-block-list\"><li>Zapnite si dostupn\u00e9 formy cachovania obsahu va\u0161ej str\u00e1nky, pre viac inform\u00e1cii pozri tie\u017e <a href=\"https:\/\/www.websupport.sk\/podpora\/079170-Vyrovn%C3%A1vacia-pam%C3%A4%C5%A5-alebo-cache-na-webhostingu\">n\u00e1\u0161 n\u00e1vod<\/a>. Pre zn\u00ed\u017eenie I\/O je ide\u00e1lne nastavi\u0165 cacheovanie str\u00e1nky do memcache\u00a0<\/li><li>Zv\u00e1\u017ete upgrade PHP verzie na najvy\u0161\u0161iu aktu\u00e1lnu verziu a taktie\u017e presun na datab\u00e1zov\u00fd server najnov\u0161ej verzie. Ak pou\u017e\u00edvate \u0161tandardizovan\u00fd redak\u010dn\u00fd syst\u00e9m ako WordPress, Joomla, alebo Drupal, taktie\u017e doporu\u010duje prejs\u0165 na najvy\u0161\u0161iu dostupn\u00fa verziu. M\u00f4\u017ee by\u0165 r\u00fdchlej\u0161ia a hlavne z nej bud\u00fa odstr\u00e1nen\u00e9 pr\u00edpadn\u00e9 bezpe\u010dnostn\u00e9 diery.<\/li><\/ul>\n\n\n\n<p>Ak aj po revidovan\u00ed n\u00e1v\u0161tevnosti a zdrojov\u00e9ho k\u00f3du webovskej aplik\u00e1cie str\u00e1nka za\u017e\u00edva vysok\u00fa I\/O z\u00e1\u0165a\u017e, m\u00f4\u017ee by\u0165 problematick\u00e9 ju prev\u00e1dzkova\u0165 na zdie\u013eanej architekt\u00fare. M\u00f4\u017ee toti\u017e ohrozova\u0165 prev\u00e1dzku in\u00fdch webov. Preto v\u00e1s m\u00f4\u017eeme po\u017eiada\u0165 o presun na vlastn\u00fd virtu\u00e1lny VPS server, alebo dedikovan\u00fd fyzick\u00fd server.<\/p>\n","protected":false},"excerpt":{"rendered":"<p>Zv\u00fd\u0161en\u00e1 I\/O (Input\/Output) z\u00e1\u0165a\u017e predstavuje zv\u00fd\u0161en\u00fd po\u010det pr\u00edstupov k va\u0161im d\u00e1tam. \u0160tatistiky I\/O z\u00e1\u0165a\u017e\u00ed reprezentuj\u00fa v\u0161etky v\u00fdmeny d\u00e1t medzi webovskou aplik\u00e1ciou be\u017eiacou na webovskom Apache serveri a diskov\u00fdm po\u013eom a RAM pam\u00e4\u0165ou. D\u00f4vody Cel\u00e1 str\u00e1nka, alebo len jedna jej \u010dast, za\u017e\u00edva ve\u013emi vysok\u00fa n\u00e1v\u0161tevnos\u0165. Pozrite si n\u00e1v\u0161tevnos\u0165 celej str\u00e1nky, \u010di&#8230;<\/p>\n","protected":false},"author":30,"template":"","format":"standard","meta":{"footnotes":""},"ht-kb-category":[31,96],"ht-kb-tag":[],"class_list":["post-3102","ht_kb","type-ht_kb","status-publish","format-standard","hentry","ht_kb_category-hosting","ht_kb_category-chybove-hlasky"],"yoast_head":"<!-- This site is optimized with the Yoast SEO plugin v27.4 - https:\/\/yoast.com\/product\/yoast-seo-wordpress\/ -->\n<title>Vysok\u00e1 IO z\u00e1\u0165a\u017e - Websupport centrum podpory<\/title>\n<meta name=\"description\" content=\"Zv\u00fd\u0161en\u00e1 I\/O z\u00e1\u0165a\u017e je zv\u00fd\u0161en\u00fd po\u010det pr\u00edstupov. \u0160tatistiky I\/O z\u00e1\u0165a\u017e\u00ed reprezentuj\u00fa v\u0161etky v\u00fdmeny d\u00e1t medziwebom a serverom a diskov\u00fdm po\u013eom a RAM pam\u00e4\u0165ou.\" \/>\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.sk\/podpora\/kb\/vysoka-io-zataz\/\" \/>\n<meta property=\"og:locale\" content=\"sk_SK\" \/>\n<meta property=\"og:type\" content=\"article\" \/>\n<meta property=\"og:title\" content=\"Vysok\u00e1 IO z\u00e1\u0165a\u017e - 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