{"id":1809,"date":"2026-09-12T11:44:28","date_gmt":"2026-09-12T08:44:28","guid":{"rendered":"https:\/\/narhost.com\/destek\/503-service-unavailable-hatasi-nasil-cozulur\/"},"modified":"2026-09-12T11:44:28","modified_gmt":"2026-09-12T08:44:28","slug":"503-service-unavailable-hatasi-nasil-cozulur","status":"publish","type":"post","link":"https:\/\/narhost.com\/destek\/503-service-unavailable-hatasi-nasil-cozulur\/","title":{"rendered":"503 Service Unavailable Hatas\u0131 Nas\u0131l \u00c7\u00f6z\u00fcl\u00fcr"},"content":{"rendered":"<p class=\"kb-dogrulama\">Son do\u011frulama: Eyl\u00fcl 2026 \u00b7 cPanel 136 test hesab\u0131nda denendi<\/p>\n<div id=\"hizli-cozum\" class=\"ai-box ai-box--cozum\">\n<p class=\"ai-box-title\">H\u0131zl\u0131 \u00e7\u00f6z\u00fcm<\/p>\n<p><code>503 Service Unavailable<\/code> mesaj\u0131 sunucunun iste\u011finizi \u015fu an kar\u015f\u0131layacak kapasitede olmad\u0131\u011f\u0131n\u0131, genellikle ge\u00e7ici bir durum olarak bildirdi\u011fi anlam\u0131na gelir; payla\u015f\u0131ml\u0131 hostingde <strong>503 service unavailable hatas\u0131<\/strong> en s\u0131k hesab\u0131n kaynak s\u0131n\u0131r\u0131na (CPU, e\u015fzamanl\u0131 i\u015flem say\u0131s\u0131) dayanmas\u0131ndan ya da a\u00e7\u0131k unutulmu\u015f bir bak\u0131m modundan gelir.<\/p>\n<ol>\n<li>cPanel \u2192 \u00d6l\u00e7\u00fcmler \u2192 Kaynak Kullan\u0131m\u0131&#8217;ndan CPU ve giri\u015f s\u00fcreci (Entry Process) s\u0131n\u0131r\u0131na yak\u0131n olup olmad\u0131\u011f\u0131n\u0131za bak\u0131n.<\/li>\n<li>WordPress kullan\u0131yorsan\u0131z sitenin bak\u0131m modunda kal\u0131p kalmad\u0131\u011f\u0131n\u0131 kontrol edin.<\/li>\n<li>Az \u00f6nce toplu bir i\u00e7e aktarma ya da yedek geri y\u00fckleme \u00e7al\u0131\u015ft\u0131rd\u0131ysan\u0131z birka\u00e7 dakika bekleyip yenileyin.<\/li>\n<li>Sorun s\u00fcr\u00fcyorsa cPanel \u2192 \u00d6l\u00e7\u00fcmler \u2192 Hatalar sayfas\u0131ndan son sat\u0131r\u0131 okuyun.<\/li>\n<\/ol>\n<\/div>\n<table class=\"kb-uyg\">\n<tr>\n<th>Panel<\/th>\n<td>cPanel<\/td>\n<\/tr>\n<tr>\n<th>Sistem<\/th>\n<td>Payla\u015f\u0131ml\u0131 hosting (CloudLinux, LVE kaynak s\u0131n\u0131rlar\u0131) \u00b7 WordPress ya da \u00f6zel PHP uygulamas\u0131<\/td>\n<\/tr>\n<tr>\n<th>Yetki<\/th>\n<td>cPanel kullan\u0131c\u0131s\u0131<\/td>\n<\/tr>\n<tr>\n<th>Narhost \u00fcr\u00fcn\u00fc<\/th>\n<td><a href=\"https:\/\/narhost.com\/web-hosting\" title=\"Narhost Web Hosting paketleri\">Web Hosting<\/a><\/td>\n<\/tr>\n<\/table>\n<div class=\"kb-once\">\n<p class=\"label\">Ba\u015flamadan \u00f6nce<\/p>\n<ul>\n<li>Hatan\u0131n ne zaman ba\u015flad\u0131\u011f\u0131n\u0131 not edin: bir g\u00fcncelleme, bir kampanya trafi\u011fi ya da toplu bir i\u00e7e aktarma sonras\u0131 m\u0131?<\/li>\n<li>cPanel giri\u015f bilgileriniz elinizde olsun.<\/li>\n<li>WordPress kullan\u0131yorsan\u0131z y\u00f6netici paneline eri\u015fiminiz olsun; a\u00e7\u0131lm\u0131yorsa Dosya Y\u00f6neticisi \u00fczerinden devam edilir.<\/li>\n<li>Kapatmay\u0131 d\u00fc\u015f\u00fcnd\u00fc\u011f\u00fcn\u00fcz eklenti ya da script varsa hangilerinin aktif oldu\u011funu \u00f6nceden not edin.<\/li>\n<\/ul>\n<\/div>\n<h2>503 service unavailable hatas\u0131 ne anlama gelir, neden olur?<\/h2>\n<p>503, sunucunun &#8220;iste\u011fini ald\u0131m ama \u015fu an kar\u015f\u0131layam\u0131yorum&#8221; dedi\u011fi bir durumdur; 500 Internal Server Error&#8217;daki gibi kodun kendisinde bir hata olmas\u0131 gerekmez. Payla\u015f\u0131ml\u0131 hostingde her hesap CloudLinux&#8217;un LVE katman\u0131yla CPU, bellek ve e\u015fzamanl\u0131 giri\u015f s\u00fcreci (Entry Process) s\u0131n\u0131r\u0131na sahiptir; bu s\u0131n\u0131r a\u015f\u0131ld\u0131\u011f\u0131nda sunucu yeni istekleri reddeder ve taray\u0131c\u0131da 503 g\u00f6r\u00fcn\u00fcr. \u0130kinci s\u0131k neden ise WordPress veya ba\u015fka bir CMS&#8217;in bilin\u00e7li olarak b\u0131rakt\u0131\u011f\u0131 bak\u0131m modudur: bir eklenti g\u00fcncellemesi kesintiye u\u011fram\u0131\u015f ya da geli\u015ftirici bak\u0131m dosyas\u0131n\u0131 silmeyi unutmu\u015f olabilir.<\/p>\n<p><strong>Ziyaret\u00e7iyseniz<\/strong> yapabilece\u011finiz tek \u015fey birka\u00e7 dakika sonra tekrar denemektir; hata sizin ba\u011flant\u0131n\u0131zdan de\u011fil sunucudan kaynaklan\u0131r. <strong>Site sahibiyseniz<\/strong> \u00f6nce kaynak kullan\u0131m\u0131na, sonra bak\u0131m moduna, en son sunucu g\u00fcnl\u00fc\u011f\u00fcne bakarak nedeni s\u0131rayla elersiniz. cPanel&#8217;in kendi <a href=\"https:\/\/docs.cpanel.net\/cpanel\/meridian\/performance\/checking-traffic-and-resource-usage\/\" title=\"cPanel dok\u00fcmantasyonu - Trafik ve kaynak kullan\u0131m\u0131n\u0131 kontrol etme\" target=\"_blank\" rel=\"noopener\">Kaynak Kullan\u0131m\u0131 dok\u00fcmantasyonu<\/a> bu grafiklerin nas\u0131l okunaca\u011f\u0131n\u0131 ayr\u0131nt\u0131l\u0131 anlat\u0131r.<\/p>\n<h2>Ad\u0131m ad\u0131m \u00e7\u00f6z\u00fcm: 503 service unavailable hatas\u0131 nas\u0131l giderilir<\/h2>\n<ol class=\"kb-adimlar\">\n<li><strong>Kaynak kullan\u0131m\u0131n\u0131 kontrol edin.<\/strong> cPanel \u2192 \u00d6l\u00e7\u00fcmler \u2192 Kaynak Kullan\u0131m\u0131 sayfas\u0131nda CPU, bellek ve giri\u015f s\u00fcreci grafiklerine bak\u0131n; grafik \u00fcstteki s\u0131n\u0131ra yaslan\u0131yorsa 503&#8217;\u00fcn nedeni budur.\n<p class=\"kb-cikti\">Beklenen sonu\u00e7: grafikte bir \u00e7izgi tavana yak\u0131nsa sorun kaynak s\u0131n\u0131r\u0131d\u0131r; de\u011filse bir sonraki ad\u0131ma ge\u00e7in.<\/p>\n<figure class=\"kb-ekran\"><img decoding=\"async\" src=\"https:\/\/narhost.com\/destek\/wp-content\/uploads\/2026\/09\/503-service-unavailable-hatasi-nasil-cozulur-adim-1.webp\" alt=\"cPanel Kaynak Kullan\u0131m\u0131 sayfas\u0131nda 503 service unavailable hatas\u0131 i\u00e7in CPU ve giri\u015f s\u00fcreci s\u0131n\u0131rlar\u0131n\u0131 kontrol etme\" width=\"1200\" height=\"638\" loading=\"lazy\"><figcaption>Kaynak Kullan\u0131m\u0131 sayfas\u0131; CPU, bellek ve giri\u015f s\u00fcreci grafikleri burada g\u00f6r\u00fcn\u00fcr.<\/figcaption><\/figure>\n<\/li>\n<li><strong>Bak\u0131m modunu kapat\u0131n.<\/strong> WordPress kullan\u0131yorsan\u0131z Dosya Y\u00f6neticisi&#8217;nde site k\u00f6k dizininde <code>.maintenance<\/code> ad\u0131nda bir dosya olup olmad\u0131\u011f\u0131na bak\u0131n ve varsa silin; WP Toolkit kullan\u0131l\u0131yorsa panelinden bak\u0131m anahtar\u0131n\u0131 kontrol edin.\n<p class=\"kb-cikti\">Beklenen sonu\u00e7: dosya silinince ya da anahtar kapat\u0131l\u0131nca site normal d\u00f6ner.<\/p>\n<\/li>\n<li><strong>Yo\u011fun bir eklenti ya da scripti ge\u00e7ici durdurun.<\/strong><code>wp-content\/plugins<\/code> klas\u00f6r\u00fcn\u00fc &#8220;plugins-off&#8221; olarak yeniden adland\u0131r\u0131p siteyi test edin; kaynak grafi\u011fi d\u00fc\u015f\u00fcyorsa su\u00e7lu bir eklentidir, teker teker geri a\u00e7arak bulun.\n<p class=\"kb-cikti\">Beklenen sonu\u00e7: klas\u00f6r ad\u0131 de\u011fi\u015fince kaynak grafi\u011fi d\u00fc\u015f\u00fcyorsa neden bir eklentidir.<\/p>\n<\/li>\n<li><strong>Zamanlanm\u0131\u015f bir g\u00f6rev \u00e7al\u0131\u015f\u0131p \u00e7al\u0131\u015fmad\u0131\u011f\u0131na bak\u0131n.<\/strong> cPanel \u2192 Geli\u015fmi\u015f \u2192 Cron \u0130\u015fleri sayfas\u0131nda son \u00e7al\u0131\u015fan g\u00f6revin saatini hatan\u0131n ba\u015flad\u0131\u011f\u0131 saatle kar\u015f\u0131la\u015ft\u0131r\u0131n; a\u011f\u0131r bir yedekleme ya da senkronizasyon g\u00f6revi kayna\u011f\u0131 ge\u00e7ici olarak t\u00fcketmi\u015f olabilir.\n<p class=\"kb-cikti\">Beklenen sonu\u00e7: g\u00f6rev bitince kaynak grafi\u011fi normale d\u00f6ner ve site tekrar a\u00e7\u0131l\u0131r.<\/p>\n<\/li>\n<li><strong>Sunucu hata g\u00fcnl\u00fc\u011f\u00fcn\u00fc okuyun.<\/strong> cPanel \u2192 \u00d6l\u00e7\u00fcmler \u2192 Hatalar sayfas\u0131 son sat\u0131rlar\u0131 g\u00f6sterir; sat\u0131r genelde &#8220;kaynak s\u0131n\u0131r\u0131&#8221; ya da uygulaman\u0131n kendi hata mesaj\u0131n\u0131 do\u011frudan verir.\n<p class=\"kb-cikti\">Beklenen sonu\u00e7: g\u00fcnl\u00fckte kaynak s\u0131n\u0131r\u0131 ya da bak\u0131m moduna dair a\u00e7\u0131k bir sat\u0131r g\u00f6r\u00fcrs\u00fcn\u00fcz.<\/p>\n<figure class=\"kb-ekran\"><img decoding=\"async\" src=\"https:\/\/narhost.com\/destek\/wp-content\/uploads\/2026\/09\/503-service-unavailable-hatasi-nasil-cozulur-adim-2.webp\" alt=\"cPanel Hatalar sayfas\u0131nda 503 service unavailable hatas\u0131 ile ilgili sunucu g\u00fcnl\u00fck sat\u0131r\u0131\" width=\"1200\" height=\"396\" loading=\"lazy\"><figcaption>cPanel Hatalar sayfas\u0131; en son sunucu hata sat\u0131rlar\u0131 burada listelenir.<\/figcaption><\/figure>\n<\/li>\n<\/ol>\n<div class=\"warn-box\">\n<p class=\"label\">Dikkat<\/p>\n<p>Eklenti klas\u00f6r\u00fcn\u00fc yeniden adland\u0131rmadan \u00f6nce hangi eklentilerin aktif oldu\u011funu not edin ve m\u00fcmk\u00fcnse bir yedek al\u0131n; s\u0131rayla geri a\u00e7ma ad\u0131m\u0131n\u0131 takip etmezseniz hangi eklentinin sorumlu oldu\u011funu ay\u0131rt edemezsiniz.<\/p>\n<\/div>\n<h2>Do\u011frulama<\/h2>\n<div class=\"success-box\">\n<p class=\"label\">Sonu\u00e7<\/p>\n<p>Sayfay\u0131 art arda birka\u00e7 kez yeniledi\u011finizde hata almadan a\u00e7\u0131l\u0131yorsa ve Kaynak Kullan\u0131m\u0131 sayfas\u0131ndaki grafik s\u0131n\u0131r\u0131n alt\u0131na d\u00fc\u015ft\u00fcyse sorun \u00e7\u00f6z\u00fclm\u00fc\u015ft\u00fcr. Ge\u00e7ici olarak yeniden adland\u0131rd\u0131\u011f\u0131n\u0131z klas\u00f6r veya dosyalar\u0131 orijinal ad\u0131na d\u00f6nd\u00fcrmeyi unutmay\u0131n.<\/p>\n<\/div>\n<h2>H\u00e2l\u00e2 \u00e7\u00f6z\u00fclmediyse<\/h2>\n<ul>\n<li><strong>Kaynak s\u0131n\u0131r\u0131 s\u00fcrekli doluyor, k\u0131sa s\u00fcreli bir s\u0131\u00e7rama de\u011fil.<\/strong> Hesab\u0131n\u0131z\u0131n b\u00fcy\u00fckl\u00fc\u011f\u00fc mevcut paketin kapasitesini kal\u0131c\u0131 olarak a\u015fm\u0131\u015f olabilir; bir \u00fcst pakete ya da <a href=\"https:\/\/narhost.com\/vps-sunucu\" title=\"Narhost VPS Sunucu paketleri\">VPS Sunucu<\/a>&#8216;ya ge\u00e7i\u015f de\u011ferlendirilir.<\/li>\n<li><strong>Sayfa 503 de\u011fil, 500 Internal Server Error g\u00f6steriyor.<\/strong> Farkl\u0131 bir belirtidir; <a href=\"https:\/\/narhost.com\/destek\/500-internal-server-error-hatasi-nasil-cozulur\/\" title=\"500 Internal Server Error hatas\u0131 nas\u0131l \u00e7\u00f6z\u00fcl\u00fcr - Narhost Destek\">500 Internal Server Error kart\u0131na<\/a> bak\u0131n.<\/li>\n<li><strong>cPanel&#8217;de do\u011frudan &#8220;Resource Limit Is Reached&#8221; yazan bir sayfa g\u00f6r\u00fcyorsunuz.<\/strong> Bu, CloudLinux&#8217;un ayn\u0131 sorunu kendi sayfas\u0131yla g\u00f6steren h\u00e2lidir; <a href=\"https:\/\/narhost.com\/destek\/resource-limit-is-reached-508-hatasi\/\" title=\"Resource Limit Is Reached (508) hatas\u0131 nas\u0131l \u00e7\u00f6z\u00fcl\u00fcr - Narhost Destek\">508 kart\u0131ndaki<\/a> ad\u0131mlar birebir uygulan\u0131r.<\/li>\n<\/ul>\n<div class=\"cta-box\">\n<p class=\"label\">Narhost deste\u011fi<\/p>\n<p>Ad\u0131mlar\u0131 uygulad\u0131ktan sonra hata devam ediyorsa destek talebi a\u00e7\u0131n; talebe alan ad\u0131n\u0131z\u0131, hatan\u0131n g\u00f6r\u00fcnd\u00fc\u011f\u00fc saati, Kaynak Kullan\u0131m\u0131 sayfas\u0131ndaki CPU\/giri\u015f s\u00fcreci y\u00fczdesini ve denedi\u011finiz ad\u0131mlar\u0131 ekleyin.<\/p>\n<p><a class=\"cta-btn\" href=\"https:\/\/narhost.com\/submitticket.php\" title=\"Narhost destek talebi a\u00e7\">Destek talebi a\u00e7<\/a><\/div>\n<div class=\"kb-ilgili\">\n<p class=\"label\">Sonraki ad\u0131mlar<\/p>\n<ul>\n<li><a href=\"https:\/\/narhost.com\/destek\/site-bazen-acilmiyorsa-ne-yapilmali\/\" title=\"Site a\u00e7\u0131lm\u0131yor - ad\u0131m ad\u0131m te\u015fhis rehberi - Narhost Destek\">Site a\u00e7\u0131lm\u0131yor \u2014 ad\u0131m ad\u0131m te\u015fhis rehberi<\/a><\/li>\n<li><a href=\"https:\/\/narhost.com\/destek\/500-internal-server-error-hatasi-nasil-cozulur\/\" title=\"500 Internal Server Error hatas\u0131 nas\u0131l \u00e7\u00f6z\u00fcl\u00fcr - Narhost Destek\">500 Internal Server Error hatas\u0131 nas\u0131l \u00e7\u00f6z\u00fcl\u00fcr<\/a><\/li>\n<li><a href=\"https:\/\/narhost.com\/destek\/resource-limit-is-reached-508-hatasi\/\" title=\"Resource Limit Is Reached (508) hatas\u0131 nas\u0131l \u00e7\u00f6z\u00fcl\u00fcr - Narhost Destek\">Resource Limit Is Reached (508) hatas\u0131 nas\u0131l \u00e7\u00f6z\u00fcl\u00fcr<\/a><\/li>\n<li><a href=\"https:\/\/narhost.com\/destek\/404-not-found-hatasi-nasil-giderilir\/\" title=\"404 Not Found hatas\u0131 nas\u0131l giderilir - Narhost Destek\">404 Not Found hatas\u0131 nas\u0131l giderilir<\/a><\/li>\n<\/ul>\n<\/div>\n<div class=\"kb-faq\">\n<h2>S\u0131k\u00e7a sorulan sorular<\/h2>\n<h3>503 service unavailable hatas\u0131 ile 500 Internal Server Error birbirinden nas\u0131l ayr\u0131l\u0131r?<\/h3>\n<p>500, kodun ya da yap\u0131land\u0131rman\u0131n kendisinde bir ar\u0131za oldu\u011funu; 503 ise sunucunun ge\u00e7ici olarak kapasitesinin doldu\u011funu bildirir. 503&#8217;te kod genellikle sa\u011flamd\u0131r, sorun anl\u0131k kaynak yetersizli\u011fidir.<\/p>\n<h3>Bak\u0131m modunda kald\u0131\u011f\u0131m\u0131 nas\u0131l anlar\u0131m?<\/h3>\n<p>WordPress k\u00f6k dizininde <code>.maintenance<\/code> dosyas\u0131 varsa ya da bir bak\u0131m eklentisi aktifse site 503 d\u00f6nd\u00fcr\u00fcr. Dosya Y\u00f6neticisi&#8217;nde k\u00f6k dizine bakmak en h\u0131zl\u0131 kontrold\u00fcr.<\/p>\n<h3>Kampanya d\u00f6neminde artan ziyaret\u00e7i 503&#8217;e yol a\u00e7ar m\u0131?<\/h3>\n<p>Evet, ani bir trafik art\u0131\u015f\u0131 e\u015fzamanl\u0131 giri\u015f s\u00fcreci s\u0131n\u0131r\u0131n\u0131 doldurabilir. Kaynak Kullan\u0131m\u0131 grafi\u011fi kampanya saatiyle \u00f6rt\u00fc\u015fen bir tavan g\u00f6steriyorsa neden budur.<\/p>\n<\/div>\n","protected":false},"excerpt":{"rendered":"<p>503 Service Unavailable hatas\u0131 sunucunun kapasitesinin ge\u00e7ici olarak doldu\u011funu bildirir. Bu kart kaynak s\u0131n\u0131r\u0131n\u0131, bak\u0131m modunu ve eklenti \u00e7ak\u0131\u015fmas\u0131n\u0131 s\u0131rayla eler.<\/p>\n","protected":false},"author":1,"featured_media":0,"comment_status":"","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[9],"tags":[],"class_list":["post-1809","post","type-post","status-publish","format-standard","hentry","category-web-hosting"],"meta_box":[],"_links":{"self":[{"href":"https:\/\/narhost.com\/destek\/wp-json\/wp\/v2\/posts\/1809","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/narhost.com\/destek\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/narhost.com\/destek\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/narhost.com\/destek\/wp-json\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"https:\/\/narhost.com\/destek\/wp-json\/wp\/v2\/comments?post=1809"}],"version-history":[{"count":0,"href":"https:\/\/narhost.com\/destek\/wp-json\/wp\/v2\/posts\/1809\/revisions"}],"wp:attachment":[{"href":"https:\/\/narhost.com\/destek\/wp-json\/wp\/v2\/media?parent=1809"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/narhost.com\/destek\/wp-json\/wp\/v2\/categories?post=1809"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/narhost.com\/destek\/wp-json\/wp\/v2\/tags?post=1809"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}