{"id":28757,"date":"2019-09-01T19:00:08","date_gmt":"2019-09-01T16:00:08","guid":{"rendered":"https:\/\/www.natro.com\/blog\/?p=28757"},"modified":"2021-11-11T17:49:11","modified_gmt":"2021-11-11T14:49:11","slug":"503-service-unavailable-hatasi-nedir-cozumu","status":"publish","type":"post","link":"https:\/\/www.natro.com\/blog\/503-service-unavailable-hatasi-nedir-cozumu\/","title":{"rendered":"503 Service Unavailable Hatas\u0131 Nedir? [\u00c7\u00f6z\u00fcm\u00fc]"},"content":{"rendered":"<p>\u0130nternet d\u00fcnyas\u0131 i\u00e7erisinde \u00e7ok s\u0131k kar\u015f\u0131m\u0131za gelen 503 service unavailable hatas\u0131 neyden kaynakl\u0131 ve \u00e7\u00f6z\u00fcm\u00fc nas\u0131l bilglendirme yap\u0131lm\u0131\u015ft\u0131r.<\/p>\n<p>G\u00fcn\u00fcm\u00fcz\u00fcn windows hosting sunucular\u0131nda s\u00fcrekli olarak kar\u015f\u0131m\u0131za \u00e7\u0131kan vakalardan birisi de hata s\u0131kl\u0131\u011f\u0131d\u0131r. <strong>Hata mesaj\u0131<\/strong>, \u00e7o\u011fu kez kar\u015f\u0131m\u0131za \u00e7\u0131kmaktad\u0131r. Bu gibi hata mesaj\u0131n\u0131n s\u0131k s\u0131k kar\u015f\u0131m\u0131za \u00e7\u0131kmas\u0131n\u0131n alt\u0131nda yatan baz\u0131 nedenler var. Onlardan birisi de bir t\u00fcrl\u00fc yaz\u0131l\u0131m \u00fczerinde sonlanmayan isteklerden kaynakl\u0131 bir durumdur. Sunucuda ki i\u015flemlerinizi sonland\u0131rmad\u0131\u011f\u0131n\u0131z zaman ise s\u00fcrekli olarak hata vermeye devam edecektir. Sunucunuzun sonland\u0131r\u0131lmamas\u0131na ba\u011fl\u0131 olarak i\u015flemler de\u00a0 application pools \u00fczerinde \u00a0kald\u0131\u011f\u0131 yerden \u00e7al\u0131\u015fmaya devam edecektir. B\u00f6yle bir hatayla kar\u015f\u0131la\u015ft\u0131\u011f\u0131m\u0131z zaman do\u011fru olarak bildi\u011fimiz yanl\u0131\u015flara ba\u015fvuruyoruz. Onlar\u0131 \u015fu \u015fekilde s\u0131ralamam\u0131z m\u00fcmk\u00fcnd\u00fcr.<\/p>\n<ul>\n<li>Taray\u0131c\u0131 \u00fczerinde ki \u00f6nbelleklerin hemen temizlenmesini sa\u011flamak<\/li>\n<li>Hosting firmas\u0131na ait iiss isimleri<\/li>\n<li>Farkl\u0131 bir cihaz yoluyla kontrol etmeye sa\u011flamak<\/li>\n<\/ul>\n<p>Yukar\u0131da saym\u0131\u015f oldu\u011fumuz i\u015flemler \u00fczerinden her ne kadar sonuca ula\u015fmaya \u00e7al\u0131\u015fsan\u0131z da ne yaz\u0131k ki sorun d\u00fczelmeyecektir. <strong>503 service unavailable hatas\u0131 <\/strong>ekranda yer ald\u0131\u011f\u0131ndan sonra ise burada bak\u0131lmas\u0131 gereken hususlardan birisi de uygulama havuzunun ni\u00e7in oldu\u011funu tespit etmek olacakt\u0131r.<\/p>\n<h4 id=\"503-service-unavailable-hatasi-neden-olur\"><strong>503 <\/strong><strong>S<\/strong><strong>ervice <\/strong><strong>U<\/strong><strong>navailable Hatas\u0131 <\/strong><strong>Neden Olur?<\/strong><\/h4>\n<p>Son d\u00f6nemde s\u0131k s\u0131k kar\u015f\u0131la\u015ft\u0131\u011f\u0131m\u0131z <strong>503 <\/strong><strong>S<\/strong><strong>ervice <\/strong><strong>U<\/strong><strong>navailable Hatas\u0131 <\/strong><strong>neden olur<\/strong>, \u00e7\u00f6z\u00fcm\u00fc var m\u0131 gibi sorulara \u00e7ok rastlad\u0131\u011f\u0131m\u0131z do\u011frudur. A\u015f\u0131r\u0131 kaynak t\u00fcketimi, bant limitinin d\u0131\u015f\u0131na \u00e7\u0131k\u0131lmas\u0131, yaz\u0131l\u0131m hatalar\u0131, sunucu \u00fczerinde bitmek bilmeyen isteklerden kaynakl\u0131 olarak bu gibi hata mesajlar\u0131 ortaya \u00e7\u0131kabilmektedir. Sadece bunlarla da yetinmeyerek daha ba\u015fka pek \u00e7ok sorunlardan kaynakl\u0131 olarak hata verme durumlar\u0131 ortaya \u00e7\u0131kabiliyor. Bunlar\u0131 da saymam\u0131z gerekti\u011finde ise CPU yetersizli\u011finden tutunda RAM bellek yetersizli\u011finden de kaynaklanabilir bir durum olaca\u011f\u0131n\u0131 s\u00f6yleyebiliriz.<\/p>\n<h4 id=\"503-service-unavailable-hatasi-cozumu-nasil-olur\"><strong>503 <\/strong><strong>S<\/strong><strong>ervice <\/strong><strong>U<\/strong><strong>navailable Hatas\u0131 <\/strong><strong>\u00c7\u00f6z\u00fcm\u00fc Nas\u0131l Olur?<\/strong><\/h4>\n<p>Hata mesaj\u0131yla kar\u015f\u0131la\u015ft\u0131\u011f\u0131m\u0131z zaman son derece sinir bozucu bir durum oldu\u011fu ger\u00e7ektir. \u00dcstelik kimi zaman eri\u015fmeye \u00e7al\u0131\u015ft\u0131\u011f\u0131m\u0131z sayfalara y\u00f6neldi\u011fimiz zaman kar\u015f\u0131m\u0131za hata yaz\u0131s\u0131 \u00e7\u0131k\u0131yor. Her ne kadar sayfay\u0131 tekrar tekrar yenilesek de hata mesaj\u0131ndan kurtulam\u0131yoruz. Tabi ki bu durumun olduk\u00e7a can s\u0131k\u0131c\u0131 oldu\u011funu s\u00f6ylemek m\u00fcmk\u00fcn. Fakat her bir sorunun \u00e7\u00f6z\u00fcm\u00fc oldu\u011fu gibi ayn\u0131 zamanda <strong>503 <\/strong><strong>S<\/strong><strong>ervice <\/strong><strong>U<\/strong><strong>navailable <\/strong><strong>h<\/strong><strong>atas\u0131 <\/strong><strong>\u00e7\u00f6z\u00fcm\u00fc <\/strong>m\u00fcmk\u00fcnd\u00fcr. Hatan\u0131n yeniden sorunsuz \u015fekilde d\u00fczeltilmesi i\u00e7in \u015fu yollara ba\u015fvurulmas\u0131 gerekir.<\/p>\n<ul>\n<li>Havuzun yeniden bo\u015falt\u0131lmas\u0131n\u0131n sa\u011flanmas\u0131 gerekir<\/li>\n<li>CPU ve Ram miktarlar\u0131n\u0131n d\u00fczenli bir \u015fekilde takibinin s\u00fcrd\u00fcr\u00fclmesi<\/li>\n<li>Sunucu disk sistemi \u00fczerinde I\/O yap\u0131l\u0131p yap\u0131lmad\u0131\u011f\u0131n\u0131 incelemek<\/li>\n<li>Request kontrol\u00fcn\u00fc yapmak<\/li>\n<li>Yaz\u0131l\u0131m \u00fczerinde yer alan error log lar\u0131n kontrol\u00fcn\u00fcn sa\u011flanmas\u0131, varsa giderilmesini ger\u00e7ekle\u015ftirmesi<\/li>\n<li>Tema ve eklenti gibi kaynaklar\u0131n yeterliliklerinin incelenmesi<\/li>\n<\/ul>\n<p>Yukar\u0131da belirtmi\u015f oldu\u011fumuz t\u00fcm bu hususlara dikkat edilip kontrol yap\u0131ld\u0131ktan sonra \u00e7ok s\u0131k \u015fekilde bu t\u00fcr hata mesaj\u0131yla kar\u015f\u0131la\u015fman\u0131z s\u00f6z konusu olmayacakt\u0131r. B\u00f6ylelikle internet ortam\u0131nda diledi\u011finiz sayfalarda gezinmenizi son derece rahat bir \u015fekilde yapma \u015fans\u0131na sahip olacaks\u0131n\u0131z.<\/p>\n","protected":false},"excerpt":{"rendered":"\u0130nternet d\u00fcnyas\u0131 i\u00e7erisinde \u00e7ok s\u0131k kar\u015f\u0131m\u0131za gelen 503 service unavailable hatas\u0131 neyden kaynakl\u0131 ve \u00e7\u00f6z\u00fcm\u00fc nas\u0131l bilglendirme yap\u0131lm\u0131\u015ft\u0131r.&hellip;\n","protected":false},"author":7,"featured_media":28758,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[652],"tags":[],"class_list":{"0":"post-28757","1":"post","2":"type-post","3":"status-publish","4":"format-standard","5":"has-post-thumbnail","7":"category-nedir"},"_links":{"self":[{"href":"https:\/\/www.natro.com\/blog\/wp-json\/wp\/v2\/posts\/28757","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/www.natro.com\/blog\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/www.natro.com\/blog\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/www.natro.com\/blog\/wp-json\/wp\/v2\/users\/7"}],"replies":[{"embeddable":true,"href":"https:\/\/www.natro.com\/blog\/wp-json\/wp\/v2\/comments?post=28757"}],"version-history":[{"count":0,"href":"https:\/\/www.natro.com\/blog\/wp-json\/wp\/v2\/posts\/28757\/revisions"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/www.natro.com\/blog\/wp-json\/wp\/v2\/media\/28758"}],"wp:attachment":[{"href":"https:\/\/www.natro.com\/blog\/wp-json\/wp\/v2\/media?parent=28757"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/www.natro.com\/blog\/wp-json\/wp\/v2\/categories?post=28757"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/www.natro.com\/blog\/wp-json\/wp\/v2\/tags?post=28757"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}