{"id":3920,"date":"2023-08-08T17:22:59","date_gmt":"2023-08-08T17:22:59","guid":{"rendered":"https:\/\/bulutistan.com\/blog\/?p=3920"},"modified":"2024-01-20T10:27:58","modified_gmt":"2024-01-20T10:27:58","slug":"elk-stack-nedir","status":"publish","type":"post","link":"https:\/\/bulutistan.com\/blog\/elk-stack-nedir\/","title":{"rendered":"ELK Stack Nedir?"},"content":{"rendered":"<p><span style=\"font-weight: 400;\">Genellikle ELK Stack olarak bilinen Elastic Stack, i\u015fletmelerin b\u00fcy\u00fck hacimli verileri ger\u00e7ek zamanl\u0131 olarak aramas\u0131na, analiz etmesine ve g\u00f6rselle\u015ftirmesine yard\u0131mc\u0131 olmak i\u00e7in tasarlanm\u0131\u015f g\u00fc\u00e7l\u00fc bir a\u00e7\u0131k kaynak ara\u00e7lar\u0131 koleksiyonudur. ELK, Elasticsearch, Logstash ve Kibana&#8217;n\u0131n k\u0131saltmas\u0131d\u0131r. Son y\u0131llarda stack, hafif bir veri g\u00f6ndericisi olan Beats adl\u0131 d\u00f6rd\u00fcnc\u00fc bir bile\u015feni de i\u00e7erecek \u015fekilde geni\u015flemi\u015ftir. Bu ara\u00e7lar birlikte, modern BT sistemleri taraf\u0131ndan \u00fcretilen ve s\u00fcrekli artan miktarda veriyi y\u00f6netmek ve anlamland\u0131rmak i\u00e7in kapsaml\u0131 bir \u00e7\u00f6z\u00fcm sunar.<\/span><\/p>\n<p><span style=\"font-weight: 400;\">Elastic Stack&#8217;in kalbi olan Elasticsearch, Apache Lucene \u00fczerine in\u015fa edilmi\u015f da\u011f\u0131t\u0131lm\u0131\u015f bir RESTful arama ve analiz motorudur. B\u00fcy\u00fck hacimli yap\u0131land\u0131r\u0131lm\u0131\u015f ve yap\u0131land\u0131r\u0131lmam\u0131\u015f verileri i\u015flemek i\u00e7in tasarlanm\u0131\u015ft\u0131r, bu da onu b\u00fcy\u00fck veri uygulamalar\u0131 i\u00e7in ideal bir se\u00e7im haline getirir. Elasticsearch son derece \u00f6l\u00e7eklenebilirdir ve i\u015fletmelerin veri ihtiya\u00e7lar\u0131 artt\u0131k\u00e7a altyap\u0131lar\u0131n\u0131 kolayca b\u00fcy\u00fctmelerine olanak tan\u0131r. Ayr\u0131ca ger\u00e7ek zamanl\u0131 arama \u00f6zellikleri sunarak kullan\u0131c\u0131lar\u0131n ihtiya\u00e7 duyduklar\u0131 bilgileri h\u0131zl\u0131 bir \u015fekilde bulabilmelerini sa\u011flar.<\/span><\/p>\n<p><span style=\"font-weight: 400;\">Logstash, Elastic Stack&#8217;in veri i\u015fleme bile\u015fenidir. \u0130ndeksleme i\u00e7in Elasticsearch&#8217;e g\u00f6ndermeden \u00f6nce \u00e7e\u015fitli kaynaklardan veri toplamak, ayr\u0131\u015ft\u0131rmak ve d\u00f6n\u00fc\u015ft\u00fcrmekten sorumludur. Logstash, g\u00fcnl\u00fck dosyalar\u0131, mesaj kuyruklar\u0131 ve a\u011f verileri dahil olmak \u00fczere \u00e7ok \u00e7e\u015fitli girdi kaynaklar\u0131n\u0131 destekler ve bu da onu y\u0131\u011f\u0131na veri almak i\u00e7in \u00e7ok y\u00f6nl\u00fc bir ara\u00e7 haline getirir. Ayr\u0131ca, pipeline\u2019dan ge\u00e7erken verileri temizlemek, zenginle\u015ftirmek ve d\u00f6n\u00fc\u015ft\u00fcrmek i\u00e7in kullan\u0131labilecek zengin bir filtre ve eklenti seti sunar.<\/span><\/p>\n<p><span style=\"font-weight: 400;\">Kibana, Elastic Stack&#8217;in g\u00f6rselle\u015ftirme katman\u0131d\u0131r ve Elasticsearch&#8217;te depolanan verileri ke\u015ffetmek ve analiz etmek i\u00e7in kullan\u0131c\u0131 dostu bir aray\u00fcz sa\u011flar. Kibana ile kullan\u0131c\u0131lar, verileri hakk\u0131nda i\u00e7g\u00f6r\u00fc kazanmak ve bilin\u00e7li kararlar almak i\u00e7in \u00f6zel g\u00f6sterge tablolar\u0131, g\u00f6rselle\u015ftirmeler ve raporlar olu\u015fturabilir. Kibana ayr\u0131ca Elasticsearch indekslerini y\u00f6netmek i\u00e7in indeks olu\u015fturma ve silme gibi \u00f6zelliklerin yan\u0131 s\u0131ra Elasticsearch k\u00fcmesinin sa\u011fl\u0131\u011f\u0131n\u0131 ve performans\u0131n\u0131 izleme \u00f6zelliklerini de i\u00e7erir.<\/span><\/p>\n<p><span style=\"font-weight: 400;\">Elastic Stack&#8217;in en yeni \u00fcyesi olan Beats, \u00e7e\u015fitli veri t\u00fcrlerini toplamak ve Logstash veya Elasticsearch&#8217;e iletmek i\u00e7in tasarlanm\u0131\u015f hafif bir veri g\u00f6nderici ailesidir. Beats, sistem g\u00fcnl\u00fckleri, a\u011f trafi\u011fi ve uygulama metrikleri gibi belirli veri t\u00fcrlerini toplamak i\u00e7in \u00f6nceden olu\u015fturulmu\u015f mod\u00fcller sa\u011flayarak veri alma s\u00fcrecini basitle\u015ftirir. Beats&#8217;i kullanarak i\u015fletmeler, \u00e7ok \u00e7e\u015fitli kaynaklardan veri toplamak ve analiz etmek i\u00e7in Elastic Stack da\u011f\u0131t\u0131mlar\u0131n\u0131n yeteneklerini kolayca geni\u015fletebilir.<\/span><\/p>\n<p><span style=\"font-weight: 400;\">Elastic Stack kullanman\u0131n en \u00f6nemli avantajlar\u0131ndan biri esnekli\u011fi ve geni\u015fletilebilirli\u011fidir. Y\u0131\u011f\u0131n\u0131n mod\u00fcler mimarisi, i\u015fletmelerin da\u011f\u0131t\u0131mlar\u0131n\u0131 kendi \u00f6zel ihtiya\u00e7lar\u0131na g\u00f6re uyarlamalar\u0131na, gerekti\u011finde bile\u015fen eklemelerine veya \u00e7\u0131karmalar\u0131na olanak tan\u0131r. Bu esneklik, verilerin y\u0131\u011f\u0131n i\u00e7inde i\u015flenme ve analiz edilme bi\u00e7imine kadar uzan\u0131r.<\/span><\/p>\n<p><span style=\"font-weight: 400;\">Elastic Stack&#8217;in bir di\u011fer avantaj\u0131 da a\u00e7\u0131k kaynak olmas\u0131, yani geni\u015f bir geli\u015ftirici toplulu\u011fu taraf\u0131ndan s\u00fcrekli olarak geli\u015ftiriliyor ve g\u00fcncelleniyor olmas\u0131d\u0131r. Bu, y\u0131\u011f\u0131n\u0131n b\u00fcy\u00fck veri teknolojisinin en ileri noktas\u0131nda kalmas\u0131n\u0131 sa\u011flayarak kullan\u0131c\u0131lara en yeni \u00f6zellikleri ve performans geli\u015ftirmelerini sunar.<\/span><\/p>\n<h2 id=\"elk-stack-nasil-calisir\">ELK Stack Nas\u0131l \u00c7al\u0131\u015f\u0131r?<\/h2>\n<p><span style=\"font-weight: 400;\">ELK Stack \u00fc\u00e7l\u00fc bir ara\u00e7t\u0131r. Elasticsearch, Logstash ve Kibana&#8217;dan olu\u015fur. Bunlar verileri etkili bir \u015fekilde i\u015flemek i\u00e7in birlikte \u00e7al\u0131\u015f\u0131r.<\/span><\/p>\n<p><b>Logstash:<\/b><span style=\"font-weight: 400;\"> \u00c7e\u015fitli kaynaklardan veri toplar, i\u015fler ve analize haz\u0131r hale getirir.<\/span><\/p>\n<p><b>Elasticsearch:<\/b><span style=\"font-weight: 400;\"> Verilerin depoland\u0131\u011f\u0131 ve h\u0131zl\u0131 arama i\u00e7in indekslendi\u011fi yerdir<\/span><\/p>\n<p><b>Kibana:<\/b><span style=\"font-weight: 400;\"> Verileri Elasticsearch&#8217;ten al\u0131r ve grafikler ve \u00e7izelgeler gibi anla\u015f\u0131lmas\u0131 kolay g\u00f6rselle\u015ftirmelere d\u00f6n\u00fc\u015ft\u00fcr\u00fcr.<\/span><\/p>\n<p><span style=\"font-weight: 400;\">Bulutistan hizmetlerinin detaylar\u0131na ula\u015fmak i\u00e7in <\/span><a href=\"https:\/\/bulutistan.com\/cloud\/\"><span style=\"font-weight: 400;\">t\u0131klay\u0131n\u0131z<\/span><\/a><span style=\"font-weight: 400;\">.<\/span><\/p>\n<h2 id=\"elk-stack-mimarisi\">ELK Stack Mimarisi<\/h2>\n<p><span style=\"font-weight: 400;\">Basit bir ELK stack mimarisi a\u015fa\u011f\u0131dakileri i\u00e7erir:<\/span><\/p>\n<h3 id=\"1-gunlukler\">1. G\u00fcnl\u00fckler<\/h3>\n<p><span style=\"font-weight: 400;\">ELK stack, analiz edilmesi gereken sunucu g\u00fcnl\u00fcklerini tan\u0131mlayarak ba\u015flar. Bu g\u00fcnl\u00fckler, sunucuda neler olup bitti\u011fi hakk\u0131nda de\u011ferli bilgiler i\u00e7erir.<\/span><\/p>\n<h3 id=\"2-logstash\">2. Logstash<\/h3>\n<p><span style=\"font-weight: 400;\">Logstash, ayn\u0131 anda bir\u00e7ok kaynaktan veri alabilen, verileri analiz edebilen, verileri filtreleyebilen, d\u00f6n\u00fc\u015ft\u00fcrebilen ve zenginle\u015ftirebilen ve ard\u0131ndan bir alt sisteme iletebilen a\u00e7\u0131k kaynakl\u0131 ve sunucu taraf\u0131 bir veri i\u015fleme i\u015flem hatt\u0131d\u0131r.<\/span><\/p>\n<p><span style=\"font-weight: 400;\">Veriler Logstash i\u015flem hatt\u0131nda \u00fc\u00e7 a\u015famada akar: giri\u015f a\u015famas\u0131, filtre a\u015famas\u0131 ve \u00e7\u0131k\u0131\u015f a\u015famas\u0131.<\/span><\/p>\n<p><b>Giri\u015f a\u015famas\u0131:<\/b><span style=\"font-weight: 400;\"> Veriler Logstash&#8217;a bir kaynaktan al\u0131n\u0131r. Logstash verilere eri\u015fmez ve onlar\u0131 toplamaz, verileri \u00e7e\u015fitli kaynaklardan almak i\u00e7in giri\u015f eklentilerini kullan\u0131r.<\/span><\/p>\n<p><b>Filtre a\u015famas\u0131: <\/b><span style=\"font-weight: 400;\">Veriler al\u0131nd\u0131ktan sonra bir veya daha fazla filtre eklentisi filtre a\u015famas\u0131ndaki i\u015fleme k\u0131sm\u0131yla ilgilenir. Bu a\u015famada, gerekli veri \u00f6\u011feleri giri\u015f ak\u0131\u015f\u0131ndan \u00e7\u0131kar\u0131l\u0131r.<\/span><\/p>\n<p><b>\u00c7\u0131kt\u0131 a\u015famas\u0131:<\/b><span style=\"font-weight: 400;\"> \u0130\u015flenen veriler bir al\u0131c\u0131ya g\u00f6nderilir ve \u00e7\u0131kt\u0131 al\u0131n\u0131r. \u00c7\u0131kt\u0131 eklentileri, Elasticsearch, HTTP, e-posta, S3 dosyas\u0131, PagerDuty uyar\u0131s\u0131 veya Syslog gibi bir\u00e7ok farkl\u0131 u\u00e7 nokta i\u00e7in kullan\u0131labilir.<\/span><\/p>\n<p><span style=\"font-weight: 400;\">Logstash&#8217;\u0131n i\u015flenen verileri y\u00fcksek performansl\u0131, aranabilir bir depolama motoruna kaydedilir ve bir kullan\u0131c\u0131 aray\u00fcz\u00fc katman\u0131ndan kolayca g\u00f6r\u00fcnt\u00fclenebilir.<\/span><\/p>\n<h3 id=\"3-elasticsearch\">3. Elasticsearch<\/h3>\n<p><span style=\"font-weight: 400;\">Elasticsearch, a\u00e7\u0131k kaynakl\u0131 bir analiz ve tam metin arama motorudur. Genellikle b\u00fcy\u00fck hacimli verileri h\u0131zl\u0131 bir \u015fekilde ve neredeyse ger\u00e7ek zamanl\u0131 olarak depolamak, aramak ve analiz etmek i\u00e7in kullan\u0131l\u0131r. Metni do\u011frudan aramak yerine bir dizinde arama yapt\u0131\u011f\u0131 i\u00e7in h\u0131zl\u0131 arama yan\u0131tlar\u0131 elde edebilir.<\/span><\/p>\n<p><span style=\"font-weight: 400;\">\u00d6rne\u011fin, kullan\u0131c\u0131lar\u0131n anahtar kelimeler veya \u00e7e\u015fitli veri t\u00fcrleri i\u00e7in arama yapabilmesini istedi\u011finiz bir web sayfan\u0131z olabilir. Elasticsearch ile karma\u015f\u0131k arama i\u015flevleri olu\u015fturabilirsiniz. Buna otomatik tamamlama, yaz\u0131m hatalar\u0131n\u0131 d\u00fczeltme, e\u015fle\u015fmeleri vurgulama vb. dahildir. Elasticsearch g\u00fc\u00e7l\u00fc bir arama motoru olu\u015fturmak i\u00e7in ihtiyac\u0131n\u0131z olan her \u015feyi yapar.<\/span><\/p>\n<h3 id=\"4-kibana\">4. Kibana<\/h3>\n<p><span style=\"font-weight: 400;\">Kibana, Elasticsearch i\u00e7in bir veri g\u00f6rselle\u015ftirme ve y\u00f6netim arac\u0131d\u0131r. Ger\u00e7ek zamanl\u0131 histogramlar, \u00e7izgi grafikler, pasta grafikler ve haritalar sa\u011flar ve verilerinizi g\u00f6rselle\u015ftirmenize ve Elastic Stack&#8217;te gezinmenize olanak tan\u0131r.<\/span><\/p>\n<p><span style=\"font-weight: 400;\">Kibana, Elasticsearch&#8217;\u00fcn resmi aray\u00fcz\u00fcd\u00fcr. Kullan\u0131c\u0131lar, Kibana&#8217;y\u0131 veri i\u00e7g\u00f6r\u00fclerini ke\u015ffetmek ve Elastic Stack&#8217;lerinin sa\u011fl\u0131\u011f\u0131n\u0131n aktif y\u00f6netimini ger\u00e7ekle\u015ftirmek i\u00e7in en etkili aray\u00fcz olarak g\u00f6r\u00fcr.<\/span><\/p>\n<h3 id=\"5-beats\">5. Beats<\/h3>\n<p><span style=\"font-weight: 400;\">Beats, hafif ve tek ama\u00e7l\u0131 veri g\u00f6nderme ara\u00e7lar\u0131 koleksiyonudur. Y\u00fczlerce veya binlerce makine ve sistemden Logstash veya Elasticsearch&#8217;e veri iletmek i\u00e7in kullan\u0131l\u0131r. Beats, sunucular\u0131n\u0131za entegre edilebilen veya kapsay\u0131c\u0131larda \u00e7al\u0131\u015ft\u0131r\u0131labilen ve ard\u0131ndan Elasticsearch&#8217;te verileri merkezile\u015ftirebilen, verileri toplamak i\u00e7in m\u00fckemmel bir \u00e7\u00f6z\u00fcmd\u00fcr.<\/span><\/p>\n<p><span style=\"font-weight: 400;\">Daha yak\u0131ndan incelemeniz gereken iki Beats vard\u0131r: Filebeat &amp; Winlogbeat.<\/span><\/p>\n<p><b>Filebeat:<\/b><span style=\"font-weight: 400;\"> Log verilerini iletmek ve merkezile\u015ftirmek i\u00e7in hafif bir g\u00f6ndericidir. Filebeat, belirtti\u011finiz g\u00fcnl\u00fck dosyalar\u0131n\u0131 veya konumlar\u0131n\u0131 izler, g\u00fcnl\u00fck olaylar\u0131n\u0131 toplar ve bunlar\u0131 indeksleme i\u00e7in Elasticsearch veya Logstash&#8217;a iletir.<\/span><\/p>\n<p><b>Winlogbeat:<\/b><span style=\"font-weight: 400;\"> Winlogbeat, Windows olay g\u00fcnl\u00fcklerini Elasticsearch veya Logstash&#8217;a g\u00f6nderir. Windows API&#8217;lerini (uygulama programlama aray\u00fcz\u00fc) kullanarak bir veya daha fazla olay g\u00fcnl\u00fc\u011f\u00fcnden okur. Winlogbeat, olaylar\u0131 kullan\u0131c\u0131 taraf\u0131ndan yap\u0131land\u0131r\u0131lm\u0131\u015f kriterlere g\u00f6re filtreler ve olay verilerini yap\u0131land\u0131r\u0131lm\u0131\u015f \u00e7\u0131kt\u0131lara g\u00f6nderir.<\/span><\/p>\n<p><span style=\"font-weight: 400;\">Winlogbeat olay g\u00fcnl\u00fcklerini izler ve yeni olay verilerini zaman\u0131nda g\u00f6nderir. Winlogbeat, sisteminizde \u00e7al\u0131\u015fan herhangi bir olay g\u00fcnl\u00fc\u011f\u00fcnden olay verilerini yakalayabilir. Bu sayede a\u015fa\u011f\u0131daki gibi olaylar\u0131 yakalayabilirsiniz:<\/span><\/p>\n<ul>\n<li style=\"font-weight: 400;\" aria-level=\"1\"><span style=\"font-weight: 400;\">Uygulama olaylar\u0131<\/span><\/li>\n<li style=\"font-weight: 400;\" aria-level=\"1\"><span style=\"font-weight: 400;\">Donan\u0131m etkinlikleri<\/span><\/li>\n<li style=\"font-weight: 400;\" aria-level=\"1\"><span style=\"font-weight: 400;\">G\u00fcvenli\u0307k olaylari<\/span><\/li>\n<li style=\"font-weight: 400;\" aria-level=\"1\"><span style=\"font-weight: 400;\">Si\u0307stem olaylari<\/span><\/li>\n<\/ul>\n<h2 id=\"elk-stack-neden-populerdir\">ELK Stack Neden Pop\u00fclerdir?<\/h2>\n<p><span style=\"font-weight: 400;\">ELK stack\u2019in bu kadar pop\u00fcler olmas\u0131n\u0131n nedeni, log y\u00f6netimi ve analitik ara\u00e7 ihtiyac\u0131n\u0131 kar\u015f\u0131lamas\u0131d\u0131r. M\u00fchendislerin uygulamalar\u0131 ve BT ortam\u0131n\u0131 izleme gibi zorlu bir g\u00f6revi kolayl\u0131kla y\u00f6netebilmelerini sa\u011flar.<\/span><\/p>\n<p><span style=\"font-weight: 400;\">Ayr\u0131ca kullan\u0131c\u0131lara birden fazla kaynaktan elde edilen verilerin toplanmas\u0131 ve i\u015flenmesi i\u00e7in merkezi bir platform sunar. Bu veriler, ek verileri depolamak i\u00e7in \u00f6l\u00e7eklenebilir olan tek bir veri taban\u0131nda saklan\u0131r. Ayr\u0131ca verilerin analizi i\u00e7in analitik ara\u00e7lara da sahiptir.<\/span><\/p>\n<p><span style=\"font-weight: 400;\">ELK Stack&#8217;in pop\u00fclerli\u011finin bir di\u011fer \u00f6nemli nedeni de, a\u00e7\u0131k kaynakl\u0131 olmas\u0131d\u0131r. Sat\u0131c\u0131 kilitlenmesini \u00f6nleyerek i\u015fletmelere maliyet avantajlar\u0131 sa\u011flar. A\u00e7\u0131k kaynak ayr\u0131ca s\u00fcrekli olarak yeni \u00f6zellikler geli\u015ftiren yenilik\u00e7i bir toplulu\u011fun par\u00e7as\u0131 olmaya da olanak tan\u0131r.<\/span><\/p>\n<p><span style=\"font-weight: 400;\">ELK Stack ayr\u0131ca Splunk gibi pazar liderleriyle rekabet eder ve daha k\u00fc\u00e7\u00fck \u015firketler aras\u0131nda son derece pop\u00fclerdir. Splunk geli\u015fmi\u015f \u00f6zellikleriyle bilinir ve bu da k\u00fc\u00e7\u00fck \u015firketler i\u00e7in pahal\u0131 bir i\u015ftir. ELK stack, \u00e7ok daha d\u00fc\u015f\u00fck bir maliyetle sunulan g\u00fc\u00e7l\u00fc g\u00fcnl\u00fck y\u00f6netimi ve analitik \u00f6zelliklere sahip basit bir ara\u00e7t\u0131r.<\/span><\/p>\n<h2 id=\"gunluk-kaydi-neden-bu-kadar-onemlidir\">G\u00fcnl\u00fck Kayd\u0131 Neden Bu Kadar \u00d6nemlidir?<\/h2>\n<p><span style=\"font-weight: 400;\">Mikro hizmetlerin ve sunucu verilerinin b\u00fcy\u00fcmesiyle birlikte g\u00fcnl\u00fck kayd\u0131 giderek daha \u00f6nemli hale gelmektedir. Optimum uygulama performans\u0131 i\u00e7in sorunlar\u0131 te\u015fhis etmek ve gidermek a\u00e7\u0131s\u0131ndan kritik \u00f6neme sahiptir. Ayr\u0131ca, bir\u00e7ok ara\u00e7 g\u00fcnl\u00fcklerden kritik i\u015f metriklerini ve verilerini almay\u0131 m\u00fcmk\u00fcn k\u0131lar.<\/span><\/p>\n<p><span style=\"font-weight: 400;\">G\u00fcnl\u00fck kayd\u0131 art\u0131k sadece sorunlar\u0131 bulmak i\u00e7in de\u011fildir. Ayn\u0131 zamanda sistemlerinizi izlemek i\u00e7in de kullan\u0131l\u0131r.<\/span><\/p>\n<h2 id=\"elk-elk-stackin-avantaj-ve-dezavantajlari-nelerdir\">ELK ELK Stack&#8217;\u0131n Avantaj ve Dezavantajlar\u0131 Nelerdir?<\/h2>\n<p><span style=\"font-weight: 400;\">ELK Stack&#8217;in avantajlar\u0131 a\u015fa\u011f\u0131dakileri i\u00e7erir:<\/span><\/p>\n<ul>\n<li style=\"font-weight: 400;\" aria-level=\"1\"><span style=\"font-weight: 400;\">ELK, t\u00fcm uygulamalardan gelen g\u00fcnl\u00fckler tek bir ELK \u00f6rne\u011fine birlikte g\u00f6nderildi\u011finde en iyi sonu\u00e7lar\u0131 verir. Bu \u00f6rnekten elde edilen bilgiler, birden fazla g\u00fcnl\u00fck veri kayna\u011f\u0131na olan ba\u011f\u0131ml\u0131l\u0131\u011f\u0131 azalt\u0131r.<\/span><\/li>\n<li style=\"font-weight: 400;\" aria-level=\"1\"><span style=\"font-weight: 400;\">H\u0131zl\u0131 \u015firket i\u00e7i kurulum sa\u011flar.<\/span><\/li>\n<li style=\"font-weight: 400;\" aria-level=\"1\"><span style=\"font-weight: 400;\">Elastic taraf\u0131ndan sunulan \u00e7e\u015fitli dil istemcileri vard\u0131r. Ruby, Python, PHP, Perl ve .NET bunlara birka\u00e7 \u00f6rnektir. Bu, kod taban\u0131nda farkl\u0131 dillere sahip olan ve Elasticsearch&#8217;\u00fc t\u00fcm bu dillerden kullanmak isteyen kullan\u0131c\u0131lar i\u00e7in faydal\u0131d\u0131r.<\/span><\/li>\n<li style=\"font-weight: 400;\" aria-level=\"1\"><span style=\"font-weight: 400;\">\u00c7e\u015fitli programlama ve komut dosyas\u0131 dillerine ait k\u00fct\u00fcphaneler mevcuttur.<\/span><\/li>\n<li style=\"font-weight: 400;\" aria-level=\"1\"><span style=\"font-weight: 400;\">\u00dccretsiz bir a\u00e7\u0131k kaynak arac\u0131 olarak mevcuttur.<\/span><\/li>\n<li style=\"font-weight: 400;\" aria-level=\"1\"><span style=\"font-weight: 400;\">Merkezi g\u00fcnl\u00fck kayd\u0131 sa\u011flar. Bu, kullan\u0131c\u0131lar\u0131n en karma\u015f\u0131k bulut ortam\u0131ndan bile g\u00fcnl\u00fckleri aranabilir tek bir dizinde toplamas\u0131n\u0131 sa\u011flar. Bu, birden fazla kaynaktan elde edilen olaylara ili\u015fkin g\u00fcnl\u00fcklerin ve verilerin korelasyonunu ve kar\u015f\u0131la\u015ft\u0131r\u0131lmas\u0131n\u0131 m\u00fcmk\u00fcn k\u0131lar.<\/span><\/li>\n<li style=\"font-weight: 400;\" aria-level=\"1\"><span style=\"font-weight: 400;\">Veri analizi ve g\u00f6rselle\u015ftirme ger\u00e7ek zamanl\u0131 bir s\u00fcre\u00e7tir. Veriler ger\u00e7ek zamanl\u0131 olarak g\u00f6rselle\u015ftirildi\u011finde \u00e7eviklik ve h\u0131zl\u0131 karar verme avantaj\u0131 elde edilir.<\/span><\/li>\n<\/ul>\n<p><span style=\"font-weight: 400;\">ELK Stack&#8217;in dezavantajlar\u0131 a\u015fa\u011f\u0131dakileri i\u00e7erir:<\/span><\/p>\n<ul>\n<li style=\"font-weight: 400;\" aria-level=\"1\"><span style=\"font-weight: 400;\">Karma\u015f\u0131k bir kurulumda veya b\u00fcy\u00fck i\u015fletmeler i\u00e7in ELK stack\u2019in farkl\u0131 bile\u015fenlerini y\u00f6netmek zor olabilir.<\/span><\/li>\n<li style=\"font-weight: 400;\" aria-level=\"1\"><span style=\"font-weight: 400;\">ELK stack a\u00e7\u0131k kaynakl\u0131 bir ara\u00e7 olmas\u0131na ra\u011fmen t\u00fcm kurulum s\u00fcrecinin tek basit k\u0131sm\u0131 arac\u0131 indirmektir. Da\u011f\u0131t\u0131m ve yap\u0131land\u0131rma s\u00fcreci uzun ve s\u0131k\u0131c\u0131d\u0131r. Ayr\u0131ca, da\u011f\u0131t\u0131m i\u00e7in kaynaklar\u0131 ve becerileri olmayan i\u015fletmeler i\u00e7in daha karma\u015f\u0131k hale gelir. Bu t\u00fcr i\u015fletmeler, bir e\u011fitim program\u0131n\u0131n ek maliyetlerine katlanmak veya da\u011f\u0131t\u0131m s\u00fcrecini y\u00f6netebilecek bir ELK stack uzman\u0131n\u0131 i\u015fe almak zorunda kalacakt\u0131r.<\/span><\/li>\n<li style=\"font-weight: 400;\" aria-level=\"1\"><span style=\"font-weight: 400;\">Baz\u0131 ELK Stack kullan\u0131c\u0131lar\u0131, artan veri hacimleriyle daha da k\u00f6t\u00fcle\u015febilen kararl\u0131l\u0131k ve \u00e7al\u0131\u015fma s\u00fcresiyle ilgili sorunlar bildirmi\u015ftir.<\/span><\/li>\n<\/ul>\n<p><span style=\"font-weight: 400;\">Yukar\u0131da belirtilen dezavantajlar, bir i\u015fletmenin ELK stack da\u011f\u0131t\u0131m\u0131n\u0131 ve y\u00f6netimini kendi ba\u015f\u0131na \u00fcstlenebilece\u011fini, ancak yine de uzman geli\u015ftiricilerin veya DevOps m\u00fchendislerinin hizmetlerini kullanman\u0131n tercih edilen bir se\u00e7enek olaca\u011f\u0131n\u0131 a\u00e7\u0131k\u00e7a a\u00e7\u0131klamaktad\u0131r.<\/span><\/p>\n<p><span style=\"font-weight: 400;\">Bu uzman ekip yaln\u0131zca yenilik\u00e7i \u00e7\u00f6z\u00fcmler ve uygulamalar geli\u015ftirmekle kalmaz, ayn\u0131 zamanda kurulumdan izleme faaliyetlerine kadar s\u0131k\u0131c\u0131 g\u00f6revleri sorunsuz bir \u015fekilde y\u00f6netir.<\/span><\/p>\n<p><span style=\"font-weight: 400;\">\u00c7o\u011fu durumda, bir i\u015fletmenin ELK stack\u2019i kendi ba\u015f\u0131na y\u00f6netmesi durumunda, g\u00fcvenlik ve uyumlulu\u011fu s\u00fcrd\u00fcrme ve ayr\u0131ca i\u015fletmenin dinamik ihtiya\u00e7lar\u0131n\u0131 kar\u015f\u0131lamak i\u00e7in yukar\u0131 ve a\u015fa\u011f\u0131 \u00f6l\u00e7eklendirme hedeflerine ula\u015fmas\u0131 zor olabilir.<\/span><\/p>\n<h2 id=\"elk-stack-kullanim-ornekleri\">ELK Stack Kullan\u0131m \u00d6rnekleri<\/h2>\n<p><span style=\"font-weight: 400;\">A\u015fa\u011f\u0131da ELK stack\u2019in ba\u015far\u0131yla kullan\u0131ld\u0131\u011f\u0131 baz\u0131 \u00f6rnekleri bulabilirsiniz:<\/span><\/p>\n<h3 id=\"1-accenture\">1. Accenture<\/h3>\n<p><span style=\"font-weight: 400;\">Accenture, d\u00fcnyan\u0131n \u00f6nde gelen BT \u015firketlerinden biridir ve ELK uygulamas\u0131na ili\u015fkin projelere de \u00f6nc\u00fcl\u00fck etmi\u015ftir. Kurulu\u015f olarak, a\u00e7\u0131k kaynakl\u0131 bir yaz\u0131l\u0131m olan ELK Stack\u2019i Splunk&#8217;a tercih ettiklerini belirtmi\u015flerdir. Kurulu\u015f taraf\u0131ndan ELK stack\u2019in tercih edilmesinde belirtilen di\u011fer fakt\u00f6rler, aray\u00fcz\u00fcn basitli\u011fi ve i\u015flevlerin geni\u015fletilmesine yard\u0131mc\u0131 olan eklentilerin kullan\u0131lmas\u0131d\u0131r.<\/span><\/p>\n<h3 id=\"2-netflix\">2. Netflix<\/h3>\n<p><span style=\"font-weight: 400;\">Pop\u00fcler bir film ve i\u00e7erik ak\u0131\u015f hizmeti olan Netflix, m\u00fc\u015fteri hizmetleri operasyonlar\u0131n\u0131 ve g\u00fcvenlikle ilgili g\u00fcnl\u00fckleri izlemek ve analiz etmek i\u00e7in ELK&#8217;ya b\u00fcy\u00fck \u00f6l\u00e7\u00fcde g\u00fcvenir.\u00a0<\/span><\/p>\n<p><span style=\"font-weight: 400;\">Netflix, m\u00fc\u015fteri i\u015flemlerini ve g\u00fcvenlikle ilgili g\u00fcnl\u00fckleri izlemek ve analiz etmek i\u00e7in ELK Stack\u2019e ba\u011fl\u0131 olan bir ba\u015fka \u015firkettir. Elasticsearch, otomatikle\u015ftirilmi\u015f sharding ve replikasyon i\u00e7in kullan\u0131l\u0131r. Bunun d\u0131\u015f\u0131nda \u015firket esnek \u015fema, uzant\u0131 modelleri ve \u00e7oklu eklentiler gibi \u00f6zelliklerden de yararlan\u0131r.<\/span><\/p>\n<p><span style=\"font-weight: 400;\">Netflix&#8217;in kapsaml\u0131 Elasticsearch kullan\u0131m\u0131, bir avu\u00e7 izole da\u011f\u0131t\u0131mdan yakla\u015f\u0131k 800 d\u00fc\u011f\u00fcme sahip 15&#8217;in \u00fczerinde k\u00fcmeye kadar geni\u015fletilmi\u015ftir.<\/span><\/p>\n<h3 id=\"3-linkedin\">3. LinkedIn<\/h3>\n<p><span style=\"font-weight: 400;\">LinkedIn, performans\u0131 ve g\u00fcvenli\u011fi izlemek i\u00e7in ELK kullan\u0131r. BT ekibi, y\u00fcklerini ger\u00e7ek zamanl\u0131 olarak desteklemek i\u00e7in ELK&#8217;y\u0131 Kafka ile entegre eder. ELK operasyonlar\u0131, yirmiden fazla ekip ve alt\u0131 veri merkezinde 100&#8217;den fazla k\u00fcme i\u00e7erir.<\/span><\/p>\n<h3 id=\"4-tripwire\">4. Tripwire<\/h3>\n<p><span style=\"font-weight: 400;\">Tripwire, G\u00fcvenlik Bilgi Olay Y\u00f6netimi (SIEM) alan\u0131nda d\u00fcnya lideridir. Bu \u015firket, bir bilgi paketi g\u00fcnl\u00fc\u011f\u00fcn\u00fcn analizini desteklemek i\u00e7in ELK kullan\u0131r.<\/span><\/p>\n<h3 id=\"5-github\">5. GitHub<\/h3>\n<p><span style=\"font-weight: 400;\">Geli\u015ftiricilerin kodlar\u0131n\u0131 depolamalar\u0131 ve y\u00f6netmeleri i\u00e7in d\u00fcnyan\u0131n en b\u00fcy\u00fck deposudur. GitHub, kullan\u0131c\u0131lar yeni kodu GitHub&#8217;daki bir depoya g\u00f6nderir g\u00f6ndermez endekslemek i\u00e7in Elasticsearch&#8217;\u00fc kullan\u0131r. Veriler \u00e7ok k\u0131sa bir s\u00fcre sonra aranabilir ve arama sonu\u00e7lar\u0131 hem genel hem de \u00f6zel depolar i\u00e7in d\u00f6nd\u00fcr\u00fcl\u00fcr.<\/span><\/p>\n<p><span style=\"font-weight: 400;\">Bulutistan hizmetlerinin detaylar\u0131na ula\u015fmak i\u00e7in <\/span><a href=\"https:\/\/bulutistan.com\/cloud\/\"><span style=\"font-weight: 400;\">t\u0131klay\u0131n\u0131z<\/span><\/a><span style=\"font-weight: 400;\">.<\/span><\/p>\n<h2 id=\"elk-stack-ile-ilgili-sikca-sorulan-sorular\">ELK Stack \u0130le \u0130lgili S\u0131k\u00e7a Sorulan Sorular<\/h2>\n<h3 id=\"1-elk-stack-ucretsiz-mi\">1. ELK stack \u00fccretsiz mi?<\/h3>\n<p><span style=\"font-weight: 400;\">ELK stack \u00fccretsiz bir yaz\u0131l\u0131md\u0131r, ancak ELK stack\u2019in kurulum ve bak\u0131m s\u00fcreci kaynak ve altyap\u0131 gerektirir. \u015eirket i\u00e7i veya bulut i\u00e7i da\u011f\u0131t\u0131m maliyeti, uygulamalardan gelen g\u00fcnl\u00fck toplama hacmine ba\u011fl\u0131d\u0131r.<\/span><\/p>\n<h3 id=\"2-elk-bir-siem-guvenlik-bilgileri-ve-olay-yonetimi-midir\">2. ELK bir SIEM (G\u00fcvenlik Bilgileri ve Olay Y\u00f6netimi) midir?<\/h3>\n<p><span style=\"font-weight: 400;\">ELK stack, ham haldeyken ve Logstash, Kibana, Elasticsearch ve Beats&#8217;i i\u00e7erdi\u011finde, SIEM (G\u00fcvenlik Bilgileri ve Olay Y\u00f6netimi) \u00e7\u00f6z\u00fcm\u00fc olarak kullan\u0131lamaz. ELK stack, g\u00fcnl\u00fck kayd\u0131 i\u00e7in g\u00fc\u00e7l\u00fc bir ara\u00e7t\u0131r, ancak bir SIEM \u00e7\u00f6z\u00fcm\u00fc de\u011fildir.<\/span><\/p>\n<h3 id=\"3-elasticsearch-kullanarak-belge-uzerinde-gerceklestirilebilecek-farkli-islemler-nelerdir\">3. Elasticsearch kullanarak belge \u00fczerinde ger\u00e7ekle\u015ftirilebilecek farkl\u0131 i\u015flemler nelerdir?<\/h3>\n<p><span style=\"font-weight: 400;\">Elasticsearch \u00fczerinde ger\u00e7ekle\u015ftirilebilecek farkl\u0131 i\u015flem t\u00fcrleri a\u015fa\u011f\u0131dakileri i\u00e7erir:<\/span><\/p>\n<ul>\n<li style=\"font-weight: 400;\" aria-level=\"1\"><span style=\"font-weight: 400;\">Indexing<\/span><\/li>\n<li style=\"font-weight: 400;\" aria-level=\"1\"><span style=\"font-weight: 400;\">Updating<\/span><\/li>\n<li style=\"font-weight: 400;\" aria-level=\"1\"><span style=\"font-weight: 400;\">Fetching<\/span><\/li>\n<li style=\"font-weight: 400;\" aria-level=\"1\"><span style=\"font-weight: 400;\">Deleting<\/span><\/li>\n<\/ul>\n<h3 id=\"4-kibana-elasticsearch-olmadan-kullanilabilir-mi\">4. Kibana Elasticsearch olmadan kullan\u0131labilir mi?<\/h3>\n<p><span style=\"font-weight: 400;\">Hay\u0131r, Kibana, Elasticsearch olmadan verilerin g\u00f6r\u00fcnt\u00fclenmesi i\u00e7in kullan\u0131lamaz.<\/span><\/p>\n<h3 id=\"5-elk-stack-ne-icin-kullanilir\">5. ELK Stack ne i\u00e7in kullan\u0131l\u0131r?<\/h3>\n<p><span style=\"font-weight: 400;\">ELK Stack, g\u00fcnl\u00fck verilerini ger\u00e7ek zamanl\u0131 olarak aramak, analiz etmek ve g\u00f6rselle\u015ftirmek i\u00e7in kullan\u0131l\u0131r.<\/span><\/p>\n<h3 id=\"6-elk-stack-bir-arac-midir\">6. ELK Stack bir ara\u00e7 m\u0131d\u0131r?<\/h3>\n<p><span style=\"font-weight: 400;\">Evet, ELK Stack, Logstash ve Kibana ara\u00e7lar\u0131ndan olu\u015fan bir pakettir. Her ara\u00e7 belirli bir role hizmet ederek veri y\u00f6netimi ve analizi i\u00e7in kapsaml\u0131 bir ara\u00e7 seti olu\u015fturur.<\/span><\/p>\n<p><span style=\"font-weight: 400;\">Sonu\u00e7 olarak ELK Stack, g\u00fcnl\u00fck ve olay veri y\u00f6netiminde yayg\u0131n olarak kullan\u0131lan, ger\u00e7ek zamanl\u0131 veri i\u015fleme ve analiz i\u00e7in sa\u011flam ve \u00e7ok y\u00f6nl\u00fc bir platform sunar. B\u00fcy\u00fck veri hacimlerini \u00f6l\u00e7eklendirme ve i\u015fleme kabiliyetiyle, b\u00fcy\u00fck veri analiti\u011fi alan\u0131nda zorlu bir ara\u00e7 olarak hizmet verir. \u0130\u015fletmeler artan miktarda veri \u00fcretmeye devam ettik\u00e7e, ELK Stack gibi \u00e7\u00f6z\u00fcmler \u015f\u00fcphesiz bu verilerden de\u011fer elde etmede ve bilin\u00e7li i\u015f kararlar\u0131n\u0131 y\u00f6nlendirmede \u00e7ok \u00f6nemli olmaya devam edecektir.<\/span><\/p>\n","protected":false},"excerpt":{"rendered":"Genellikle ELK Stack olarak bilinen Elastic Stack, i\u015fletmelerin b\u00fcy\u00fck hacimli verileri ger\u00e7ek zamanl\u0131 olarak aramas\u0131na, analiz etmesine ve&hellip;\n","protected":false},"author":1,"featured_media":3921,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"csco_singular_sidebar":"","csco_page_header_type":"","csco_appearance_grid":"","csco_page_load_nextpost":"","csco_post_video_location":[],"csco_post_video_location_hash":"","csco_post_video_url":"","csco_post_video_bg_start_time":0,"csco_post_video_bg_end_time":0},"categories":[15],"tags":[],"yoast_head":"<!-- This site is optimized with the Yoast SEO plugin v20.9 - https:\/\/yoast.com\/wordpress\/plugins\/seo\/ -->\n<title>ELK Stack Nedir? 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