{"id":29512,"date":"2025-09-14T14:30:20","date_gmt":"2025-09-14T11:30:20","guid":{"rendered":"https:\/\/fatihsoysal.com\/blog\/azure-service-busta-dead-letter-queues-dlq-ile-hata-yonetimi\/"},"modified":"2025-09-14T14:30:20","modified_gmt":"2025-09-14T11:30:20","slug":"azure-service-busta-dead-letter-queues-dlq-ile-hata-yonetimi","status":"publish","type":"post","link":"https:\/\/fatihsoysal.com\/blog\/azure-service-busta-dead-letter-queues-dlq-ile-hata-yonetimi\/","title":{"rendered":"Azure Service Bus&#8217;ta Dead-Letter Queues (DLQ) ile Hata Y\u00f6netimi"},"content":{"rendered":"<p>Azure Service Bus&#8217;ta Dead-Letter Queues (DLQ) ile Hata Y\u00f6netimi<\/p>\n<p>Mesaj kuyruklar\u0131, modern uygulamalar\u0131n kalbinde yer alan kritik bir bile\u015fendir. Ancak, mesajlar\u0131n i\u015flenmesi s\u0131ras\u0131nda beklenmedik hatalar ortaya \u00e7\u0131kabilir. Bu hatalarla ba\u015fa \u00e7\u0131kmak ve sistemin g\u00fcvenilirli\u011fini sa\u011flamak i\u00e7in Azure Service Bus&#8217;\u0131n sundu\u011fu g\u00fc\u00e7l\u00fc bir mekanizma olan Dead-Letter Queues (DLQ) yani \u00d6l\u00fc Mektup Kuyruklar\u0131n\u0131 kullanmak \u015fartt\u0131r. Bu makalede, Azure Service Bus&#8217;ta DLQ&#8217;lar\u0131n nas\u0131l \u00e7al\u0131\u015ft\u0131\u011f\u0131n\u0131, nas\u0131l kullan\u0131ld\u0131\u011f\u0131n\u0131 ve ger\u00e7ek d\u00fcnya senaryolar\u0131nda nas\u0131l fayda sa\u011flad\u0131\u011f\u0131n\u0131 ad\u0131m ad\u0131m \u00f6\u011frenece\u011fiz.  Hata y\u00f6netiminin \u00f6nemini ve DLQ&#8217;lar\u0131n bu konudaki rol\u00fcn\u00fc derinlemesine inceleyece\u011fiz.  Haz\u0131rsan\u0131z, Azure Service Bus&#8217;taki hata y\u00f6netimi yolculu\u011fumuza ba\u015flayal\u0131m!<\/p>\n<h2>Azure Service Bus ve Temel Kavramlar: \u00d6l\u00fc Mektup Kuyru\u011fu Nedir?<\/h2>\n<p>\u00d6ncelikle, Azure Service Bus&#8217;\u0131n ne oldu\u011funu ve temel kavramlar\u0131n\u0131 anlamak \u00f6nemlidir. Azure Service Bus, mesaj tabanl\u0131, y\u00fcksek performansl\u0131, g\u00fcvenilir ve \u00f6l\u00e7eklenebilir bir bulut mesajla\u015fma hizmetidir.  Uygulamalar\u0131n\u0131z\u0131n birbirleriyle asenkron olarak ileti\u015fim kurmas\u0131n\u0131 sa\u011flar ve bu sayede sisteminizin daha esnek ve dayan\u0131kl\u0131 olmas\u0131n\u0131 garantiler.  Ancak, baz\u0131 durumlarda, i\u015flenen mesajlar \u00e7e\u015fitli nedenlerle i\u015flenemeyebilir.  Bu durumlar, \u00f6rne\u011fin,  bir al\u0131c\u0131n\u0131n ge\u00e7ici bir hata ya\u015famas\u0131, mesaj\u0131n ge\u00e7ersiz olmas\u0131 veya al\u0131c\u0131n\u0131n belirli bir mesaj\u0131 i\u015fleme yetene\u011finin olmamas\u0131 gibi sebeplerden kaynaklanabilir. \u0130\u015fte tam burada devreye \u00f6l\u00fc mektup kuyruklar\u0131 (DLQ) giriyor. DLQ, i\u015flenemeyen mesajlar\u0131 g\u00fcvenli bir \u015fekilde saklayan bir kuyruktur. Bu sayede, daha sonra bu mesajlar\u0131 inceleyebilir, hata nedenlerini belirleyebilir ve gerekli d\u00fczeltmeleri yapabilirsiniz.  Ba\u015fka bir deyi\u015fle, DLQ&#8217;lar, sisteminizin hata durumlar\u0131nda g\u00fcvenilirli\u011fini ve sa\u011flaml\u0131\u011f\u0131n\u0131 art\u0131rmaya yard\u0131mc\u0131 olan bir g\u00fcvenlik a\u011f\u0131 g\u00f6revi g\u00f6r\u00fcr.<\/p>\n<h2>DLQ&#8217;lar\u0131 Kurma ve Yap\u0131land\u0131rma: Ad\u0131m Ad\u0131m K\u0131lavuz<\/h2>\n<p>Azure Portal veya Azure CLI arac\u0131l\u0131\u011f\u0131yla DLQ&#8217;lar\u0131n\u0131z\u0131 kolayca olu\u015fturabilirsiniz. \u00d6ncelikle, bir Service Bus kuyru\u011fu veya konular\u0131 olu\u015fturmal\u0131s\u0131n\u0131z.  Daha sonra, bu kuyruk veya konunun \u00f6zelliklerindeki &#8220;Dead-lettering&#8221; ayarlar\u0131n\u0131 yap\u0131land\u0131rmal\u0131s\u0131n\u0131z. Bu ayarlar, bir mesaj\u0131n ka\u00e7 kez denenmeden sonra DLQ&#8217;ya ta\u015f\u0131naca\u011f\u0131n\u0131 belirlemenizi sa\u011flar.  \u00d6rne\u011fin, bir mesaj 5 kez i\u015flenmeye \u00e7al\u0131\u015f\u0131l\u0131p ba\u015far\u0131s\u0131z olursa, otomatik olarak DLQ&#8217;ya ta\u015f\u0131n\u0131r.  Bu ayarlar\u0131 do\u011fru \u015fekilde yap\u0131land\u0131rmak, sisteminizin istikrar\u0131n\u0131 ve g\u00fcvenilirli\u011fini art\u0131rmada b\u00fcy\u00fck \u00f6nem ta\u015f\u0131r.  A\u015fa\u011f\u0131da, Azure Portal&#8217;\u0131 kullanarak bir DLQ olu\u015fturma ad\u0131mlar\u0131 g\u00f6sterilmektedir:<\/p>\n<ol>\n<li>Azure Portal&#8217;a giri\u015f yap\u0131n ve Service Bus ad alan\u0131n\u0131z\u0131 se\u00e7in.<\/li>\n<li>Kuyru\u011funuzu veya konunuzu se\u00e7in.<\/li>\n<li>&#8220;Dead-lettering on&#8221; se\u00e7ene\u011fini etkinle\u015ftirin.<\/li>\n<li>&#8220;Maximum delivery count&#8221; de\u011ferini belirleyin (\u00f6rne\u011fin, 5).<\/li>\n<li>De\u011fi\u015fiklikleri kaydedin.<\/li>\n<\/ol>\n<p>Bu ad\u0131mlar\u0131 takip ederek, kuyru\u011funuz veya konunuz i\u00e7in bir DLQ otomatik olarak olu\u015fturulur. Art\u0131k i\u015flenemeyen mesajlar bu kuyru\u011fa y\u00f6nlendirilecektir.  Azure CLI kullanarak da benzer \u015fekilde DLQ&#8217;lar\u0131 yap\u0131land\u0131rabilirsiniz.  Detayl\u0131 bilgi i\u00e7in Microsoft belgelerini inceleyebilirsiniz.  <a href=\"https:\/\/fatihsoysal.com\">(https:\/\/fatihsoysal.com)<\/a> sitesinden daha fazla \u00f6rnek ve kaynak bulabilirsiniz.<\/p>\n<h2>DLQ&#8217;dan Mesajlar\u0131 Okuma ve Hata Giderme: Pratik Bir Yakla\u015f\u0131m<\/h2>\n<p>DLQ&#8217;ya ta\u015f\u0131nan mesajlar\u0131 incelemek ve hata nedenlerini belirlemek i\u00e7in, bu kuyruktan mesajlar\u0131 okuyabilirsiniz.  Bunun i\u00e7in,  standart Service Bus m\u00fc\u015fteri k\u00fct\u00fcphanelerini kullanabilir ve  DLQ&#8217;ya \u00f6zel bir ba\u011flant\u0131 dizini kullanarak mesajlar\u0131 alabilirsiniz.  Mesajlar\u0131 okuduktan sonra, hatan\u0131n nedenini belirleyebilir ve gerekli d\u00fczeltmeleri yapabilirsiniz.  \u00d6rne\u011fin, mesaj\u0131n i\u00e7eri\u011finde bir hata varsa, mesaj\u0131 d\u00fczeltip tekrar kuyru\u011fa ekleyebilirsiniz.  E\u011fer hata sistemsel bir sorundan kaynaklan\u0131yorsa, altta yatan sorunu \u00e7\u00f6zmeniz gerekecektir.  DLQ&#8217;dan mesaj okuma i\u015flemi, sisteminizin sa\u011flaml\u0131\u011f\u0131n\u0131 sa\u011flamak ve gelecekteki hatalar\u0131 \u00f6nlemek i\u00e7in kritik bir ad\u0131md\u0131r.  Bu s\u00fcre\u00e7, sisteminizdeki olas\u0131 sorunlar\u0131 belirlemenize ve bunlar\u0131 \u00e7\u00f6zmenize olanak tan\u0131r.<\/p>\n<h2>Ger\u00e7ek D\u00fcnya Senaryolar\u0131: DLQ&#8217;lar\u0131n Faydalar\u0131n\u0131 G\u00f6rmek<\/h2>\n<p>DLQ&#8217;lar, \u00e7e\u015fitli ger\u00e7ek d\u00fcnya senaryolar\u0131nda b\u00fcy\u00fck faydalar sa\u011flar. \u00d6rne\u011fin, bir e-ticaret uygulamas\u0131nda, \u00f6deme i\u015flemi s\u0131ras\u0131nda bir hata olu\u015fursa, ilgili mesaj DLQ&#8217;ya ta\u015f\u0131nabilir.  Bu sayede, m\u00fc\u015fterilerin sipari\u015fleri kaybolmaz ve daha sonra manuel olarak i\u015flenebilir.  Ba\u015fka bir \u00f6rnek olarak, bir veri i\u015fleme sisteminde, bir veri kayd\u0131 ge\u00e7ersizse, DLQ&#8217;ya ta\u015f\u0131narak daha sonra incelenebilir ve d\u00fczeltilebilir.  Bu \u015fekilde, veri kayb\u0131 \u00f6nlenir ve verilerin b\u00fct\u00fcnl\u00fc\u011f\u00fc korunur.  DLQ&#8217;lar\u0131n kullan\u0131m\u0131, sisteminizin g\u00fcvenilirli\u011fini ve dayan\u0131kl\u0131l\u0131\u011f\u0131n\u0131 b\u00fcy\u00fck \u00f6l\u00e7\u00fcde art\u0131r\u0131r.  Hatalar\u0131 izleyerek ve bunlar\u0131 \u00e7\u00f6zerek, sisteminizin kesintisiz \u00e7al\u0131\u015fmas\u0131n\u0131 sa\u011flayabilirsiniz.<\/p>\n<h2>\u0130leri D\u00fczey Teknikler: DLQ&#8217;lar\u0131 Optimize Etme<\/h2>\n<p>DLQ&#8217;lar\u0131n performans\u0131n\u0131 optimize etmek i\u00e7in birka\u00e7 ileri d\u00fczey teknik kullanabilirsiniz.  \u00d6rne\u011fin, DLQ&#8217;nun boyutunu izleyerek,  mesajlar\u0131n DLQ&#8217;ya ta\u015f\u0131nma s\u0131kl\u0131\u011f\u0131n\u0131 azaltabilirsiniz.  Bu, DLQ&#8217;nun performans\u0131n\u0131 art\u0131r\u0131r ve hata giderme i\u015flemini kolayla\u015ft\u0131r\u0131r.  Ayr\u0131ca,  DLQ&#8217;dan mesajlar\u0131 i\u015fleme i\u00e7in ayr\u0131 bir i\u015f\u00e7i s\u00fcreci olu\u015fturabilir ve bu s\u00fcreci \u00f6l\u00e7eklendirebilirsiniz.  Bu sayede, DLQ&#8217;dan mesajlar\u0131 h\u0131zl\u0131 ve verimli bir \u015fekilde i\u015fleyebilirsiniz.  DLQ&#8217;yu d\u00fczenli olarak temizleyerek, gereksiz mesajlar\u0131n birikmesini \u00f6nleyebilirsiniz.  Bu,  depolaman\u0131n daha verimli kullan\u0131lmas\u0131n\u0131 sa\u011flar ve gereksiz maliyetlerden ka\u00e7\u0131nman\u0131za yard\u0131mc\u0131 olur.<\/p>\n<h2>Performans Kar\u015f\u0131la\u015ft\u0131rmas\u0131: DLQ ile DLQ Olmadan<\/h2>\n<p>| \u00d6zellik           | DLQ ile                  | DLQ Olmadan              |<br \/>\n|&#8212;&#8212;&#8212;&#8212;&#8212;&#8212;&#8211;|&#8212;&#8212;&#8212;&#8212;&#8212;&#8212;&#8212;&#8212;&#8212;|&#8212;&#8212;&#8212;&#8212;&#8212;&#8212;&#8212;&#8212;&#8212;|<br \/>\n| Hata Y\u00f6netimi     | G\u00fc\u00e7l\u00fc ve g\u00fcvenilir       | Zay\u0131f ve g\u00fcvenilmez       |<br \/>\n| Sistem G\u00fcvenilirli\u011fi | Y\u00fcksek                     | D\u00fc\u015f\u00fck                     |<br \/>\n| Bak\u0131m Kolayl\u0131\u011f\u0131    | Kolay                     | Zor                       |<br \/>\n| Maliyet             | Uygun (Depolama Maliyeti)| Y\u00fcksek (Hata Sonucu Kay\u0131p)|<\/p>\n<p>Yukar\u0131daki tabloda g\u00f6r\u00fcld\u00fc\u011f\u00fc gibi, DLQ kullan\u0131m\u0131, sistemin g\u00fcvenilirli\u011fini ve bak\u0131m kolayl\u0131\u011f\u0131n\u0131 \u00f6nemli \u00f6l\u00e7\u00fcde art\u0131r\u0131rken maliyetleri de d\u00fc\u015f\u00fcr\u00fcr. DLQ olmadan, hatalar sistemin \u00e7\u00f6kmesine veya veri kayb\u0131na neden olabilir, bu da daha y\u00fcksek maliyetlere yol a\u00e7ar.<\/p>\n<h2>G\u00fcvenlik Uyar\u0131lar\u0131: DLQ&#8217;lar\u0131 G\u00fcvenli Bir \u015eekilde Kullanma<\/h2>\n<div class=\"alert alert-danger\">\n  <strong>Dikkat!<\/strong> DLQ&#8217;lardaki mesajlar\u0131n g\u00fcvenli\u011fini sa\u011flamak i\u00e7in, eri\u015fim kontrol listelerini do\u011fru \u015fekilde yap\u0131land\u0131rman\u0131z \u00f6nemlidir.  Yetkisiz eri\u015fimi \u00f6nlemek i\u00e7in, yaln\u0131zca yetkili kullan\u0131c\u0131lar\u0131n DLQ&#8217;ya eri\u015febildi\u011finden emin olun.\n<\/div>\n<h2>Sonu\u00e7 ve S\u0131k\u00e7a Sorulan Sorular<\/h2>\n<p>Azure Service Bus&#8217;ta Dead-Letter Queues (DLQ) kullan\u0131m\u0131, uygulamalar\u0131n\u0131z\u0131n g\u00fcvenilirli\u011fini ve dayan\u0131kl\u0131l\u0131\u011f\u0131n\u0131 \u00f6nemli \u00f6l\u00e7\u00fcde art\u0131r\u0131r.  DLQ&#8217;lar, hata durumlar\u0131nda mesajlar\u0131 g\u00fcvenli bir \u015fekilde saklar ve hata giderme i\u015flemini kolayla\u015ft\u0131r\u0131r.  Bu makalede, DLQ&#8217;lar\u0131n nas\u0131l \u00e7al\u0131\u015ft\u0131\u011f\u0131n\u0131, nas\u0131l kullan\u0131ld\u0131\u011f\u0131n\u0131 ve ger\u00e7ek d\u00fcnya senaryolar\u0131nda nas\u0131l fayda sa\u011flad\u0131\u011f\u0131n\u0131 ayr\u0131nt\u0131l\u0131 olarak inceledik.  DLQ&#8217;lar\u0131 do\u011fru \u015fekilde yap\u0131land\u0131rmak ve kullanmak, uygulamalar\u0131n\u0131z\u0131n daha g\u00fcvenilir ve sa\u011flam olmas\u0131n\u0131 sa\u011flar.<\/p>\n<h3>S\u0131k\u00e7a Sorulan Sorular<\/h3>\n<ol>\n<li><strong>DLQ&#8217;nun boyutu s\u0131n\u0131rl\u0131 m\u0131d\u0131r?<\/strong> Evet, DLQ&#8217;nun boyutu, ilgili Service Bus ad alan\u0131n\u0131n depolama kotas\u0131na ba\u011fl\u0131d\u0131r.<\/li>\n<li><strong>DLQ&#8217;ya ta\u015f\u0131nan mesajlar ne kadar s\u00fcreyle saklan\u0131r?<\/strong> Mesajlar\u0131n saklama s\u00fcresi, ad alan\u0131n\u0131z\u0131n yap\u0131land\u0131rmas\u0131na ba\u011fl\u0131d\u0131r.  Varsay\u0131lan olarak, mesajlar s\u00fcresiz saklan\u0131r ancak isterseniz bir s\u00fcre limiti belirleyebilirsiniz.<\/li>\n<li><strong>DLQ&#8217;dan mesajlar\u0131 silmek m\u00fcmk\u00fcn m\u00fcd\u00fcr?<\/strong> Evet, DLQ&#8217;dan mesajlar\u0131 silebilirsiniz.  Ancak, bunu yapmadan \u00f6nce, mesajlar\u0131 dikkatlice incelemeniz ve gerekli d\u00fczeltmeleri yapman\u0131z \u00f6nerilir.<\/li>\n<li><strong>DLQ&#8217;lar sadece kuyruklar i\u00e7in mi kullan\u0131labilir?<\/strong> Hay\u0131r, DLQ&#8217;lar konular i\u00e7in de kullan\u0131labilir.<\/li>\n<li><strong>Birden fazla DLQ kullanabilir miyim?<\/strong> Hay\u0131r, her kuyruk veya konu i\u00e7in sadece bir DLQ tan\u0131mlayabilirsiniz. Ancak, farkl\u0131 DLQ&#8217;lara y\u00f6nlendirme i\u00e7in farkl\u0131 filtreleme mekanizmalar\u0131 kullanabilirsiniz.<\/li>\n<\/ol>\n<p>Yazar: Fatih Soysal<\/p>\n","protected":false},"excerpt":{"rendered":"Azure Service Bus&#8217;ta Dead-Letter Queues (DLQ) ile Hata Y\u00f6netimi Mesaj kuyruklar\u0131, modern uygulamalar\u0131n kalbinde yer alan kritik bir&hellip;","protected":false},"author":1,"featured_media":0,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"csco_page_header_type":"","csco_page_load_nextpost":"","csco_page_subscribe_form":"","csco_page_contact_form":"","footnotes":""},"categories":[1],"tags":[],"class_list":{"0":"post-29512","1":"post","2":"type-post","3":"status-publish","4":"format-standard","6":"category-genel","7":"cs-entry","8":"cs-video-wrap"},"yoast_head":"<!-- This site is optimized with the Yoast SEO Premium plugin v20.5 (Yoast SEO v25.3.1) - https:\/\/yoast.com\/wordpress\/plugins\/seo\/ -->\n<title>Azure Service Bus&#039;ta Dead-Letter Queues (DLQ) ile Hata Y\u00f6netimi<\/title>\n<meta name=\"description\" content=\"Mesaj kuyruklar\u0131, modern uygulamalar\u0131n kalbinde yer alan kritik bir bile\u015fendir. Ancak, mesajlar\u0131n i\u015flenmesi s\u0131ras\u0131nda beklenmedik hatalar ortaya \u00e7\u0131kabilir. Bu hatalarla ba\u015fa \u00e7\u0131kmak ve sistemin g\u00fcvenilirli\u011fini sa\u011flamak i\u00e7in Azure Service Bus&#039;\u0131n sundu\u011fu g\u00fc\u00e7l\u00fc bir mekanizma olan Dead-Letter Queues (DLQ) yani \u00d6l\u00fc Mektup Kuyruklar\u0131n\u0131 kullanmak \u015fartt\u0131r. Bu makalede, Azure Service Bus&#039;ta DLQ&#039;lar\u0131n nas\u0131l \u00e7al\u0131\u015ft\u0131\u011f\u0131n\u0131, nas\u0131l kullan\u0131ld\u0131\u011f\u0131n\u0131 ve ger\u00e7ek d\u00fcnya senaryolar\u0131nda nas\u0131l fayda sa\u011flad\u0131\u011f\u0131n\u0131 ad\u0131m ad\u0131m \u00f6\u011frenece\u011fiz. Hata y\u00f6netiminin \u00f6nemini ve DLQ&#039;lar\u0131n bu konudaki rol\u00fcn\u00fc derinlemesine inceleyece\u011fiz. Haz\u0131rsan\u0131z, Azure Service Bus&#039;taki hata y\u00f6netimi yolculu\u011fumuza ba\u015flayal\u0131m!\" \/>\n<meta name=\"robots\" content=\"index, follow, max-snippet:-1, max-image-preview:large, max-video-preview:-1\" \/>\n<link rel=\"canonical\" href=\"https:\/\/fatihsoysal.com\/blog\/azure-service-busta-dead-letter-queues-dlq-ile-hata-yonetimi\/\" \/>\n<meta property=\"og:locale\" content=\"tr_TR\" \/>\n<meta property=\"og:type\" content=\"article\" \/>\n<meta property=\"og:title\" content=\"Azure Service Bus&#039;ta Dead-Letter Queues (DLQ) ile Hata Y\u00f6netimi\" \/>\n<meta property=\"og:description\" content=\"Mesaj kuyruklar\u0131, modern uygulamalar\u0131n kalbinde yer alan kritik bir bile\u015fendir. Ancak, mesajlar\u0131n i\u015flenmesi s\u0131ras\u0131nda beklenmedik hatalar ortaya \u00e7\u0131kabilir. Bu hatalarla ba\u015fa \u00e7\u0131kmak ve sistemin g\u00fcvenilirli\u011fini sa\u011flamak i\u00e7in Azure Service Bus&#039;\u0131n sundu\u011fu g\u00fc\u00e7l\u00fc bir mekanizma olan Dead-Letter Queues (DLQ) yani \u00d6l\u00fc Mektup Kuyruklar\u0131n\u0131 kullanmak \u015fartt\u0131r. Bu makalede, Azure Service Bus&#039;ta DLQ&#039;lar\u0131n nas\u0131l \u00e7al\u0131\u015ft\u0131\u011f\u0131n\u0131, nas\u0131l kullan\u0131ld\u0131\u011f\u0131n\u0131 ve ger\u00e7ek d\u00fcnya senaryolar\u0131nda nas\u0131l fayda sa\u011flad\u0131\u011f\u0131n\u0131 ad\u0131m ad\u0131m \u00f6\u011frenece\u011fiz. Hata y\u00f6netiminin \u00f6nemini ve DLQ&#039;lar\u0131n bu konudaki rol\u00fcn\u00fc derinlemesine inceleyece\u011fiz. 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