{"id":13931,"date":"2025-03-01T20:00:17","date_gmt":"2025-03-01T17:00:17","guid":{"rendered":"https:\/\/fatihsoysal.com\/blog\/node-jste-streamler-ustalik-seviyesine-ulasma\/"},"modified":"2025-03-01T20:00:17","modified_gmt":"2025-03-01T17:00:17","slug":"node-jste-streamler-ustalik-seviyesine-ulasma","status":"publish","type":"post","link":"https:\/\/fatihsoysal.com\/blog\/node-jste-streamler-ustalik-seviyesine-ulasma\/","title":{"rendered":"Node.js&#8217;te Stream&#8217;ler: Ustal\u0131k Seviyesine Ula\u015fma"},"content":{"rendered":"<p><body><\/p>\n<p>Node.js&#8217;te Stream&#8217;ler: Ustal\u0131k Seviyesine Ula\u015fma<\/p>\n<p>Node.js, b\u00fcy\u00fck veri setleriyle \u00e7al\u0131\u015f\u0131rken performans\u0131 optimize etmek i\u00e7in ak\u0131\u015flar (Streams) sunar.  Bu, \u00f6zellikle b\u00fcy\u00fck dosyalar\u0131n i\u015flenmesi veya ger\u00e7ek zamanl\u0131 veri ak\u0131\u015flar\u0131n\u0131n y\u00f6netimi gibi durumlarda son derece \u00f6nemlidir.  Stream&#8217;ler, verileri k\u00fc\u00e7\u00fck par\u00e7alara b\u00f6lerek i\u015flemi daha verimli hale getirir ve bellek t\u00fcketimini azalt\u0131r.  Bu makalede, Node.js&#8217;te Stream&#8217;lerin nas\u0131l kullan\u0131laca\u011f\u0131n\u0131 ve performans\u0131n\u0131z\u0131 nas\u0131l art\u0131raca\u011f\u0131n\u0131z\u0131 detayl\u0131 bir \u015fekilde ele alaca\u011f\u0131z.<\/p>\n<h2>Stream T\u00fcrleri<\/h2>\n<p>Node.js d\u00f6rt ana Stream t\u00fcr\u00fc sunar: <\/p>\n<ul>\n<li><b>Readable Streams (Okunabilir Ak\u0131\u015flar):<\/b> Verileri d\u0131\u015far\u0131ya (\u00f6rne\u011fin, bir dosyadan veya a\u011f ba\u011flant\u0131s\u0131ndan) okumak i\u00e7in kullan\u0131l\u0131rlar.  \u00d6ncelikle veri \u00fcreten kaynaklar i\u00e7in tasarlanm\u0131\u015flard\u0131r.<\/li>\n<li><b>Writable Streams (Yaz\u0131labilir Ak\u0131\u015flar):<\/b> Verileri bir yere (\u00f6rne\u011fin, bir dosyaya veya a\u011f ba\u011flant\u0131s\u0131na) yazmak i\u00e7in kullan\u0131l\u0131rlar.  Veri al\u0131c\u0131lar\u0131 olarak d\u00fc\u015f\u00fcnebilirsiniz.<\/li>\n<li><b>Duplex Streams (\u00c7ift Tarafl\u0131 Ak\u0131\u015flar):<\/b> Hem okuma hem de yazma i\u015flemlerini desteklerler.  \u00d6rne\u011fin, bir Socket ba\u011flant\u0131s\u0131 \u00e7ift tarafl\u0131 bir ak\u0131\u015ft\u0131r.<\/li>\n<li><b>Transform Streams (D\u00f6n\u00fc\u015ft\u00fcr\u00fcc\u00fc Ak\u0131\u015flar):<\/b> Verileri i\u015fleyip d\u00f6n\u00fc\u015ft\u00fcrmek i\u00e7in kullan\u0131l\u0131rlar.  \u00d6rne\u011fin, bir veri ak\u0131\u015f\u0131n\u0131 s\u0131k\u0131\u015ft\u0131rmak veya \u015fifrelemek i\u00e7in kullan\u0131labilirler.<\/li>\n<\/ul>\n<h2>Readable Stream \u00d6rne\u011fi<\/h2>\n<p>Bir dosyay\u0131 okuman\u0131z\u0131 sa\u011flayacak basit bir Readable Stream \u00f6rne\u011fi:<\/p>\n<pre><code class=\"language-javascript\">\nconst fs = require('fs');\nconst rs = fs.createReadStream('myFile.txt');\n\nrs.on('data', (chunk) => {\n  console.log(Okunan veri par\u00e7as\u0131: ${chunk.toString()});\n});\n\nrs.on('end', () => {\n  console.log('Dosya okumas\u0131 tamamland\u0131.');\n});\n\nrs.on('error', (err) => {\n  console.error(Hata olu\u015ftu: ${err});\n});\n<\/code><\/pre>\n<p>Bu kod,  <code>myFile.txt<\/code> dosyas\u0131n\u0131 okur ve her veri par\u00e7as\u0131n\u0131 konsola yazd\u0131r\u0131r.  <code>'end'<\/code> olay\u0131, dosya okumas\u0131n\u0131n tamamland\u0131\u011f\u0131n\u0131 bildirirken,  <code>'error'<\/code> olay\u0131 olas\u0131 hatalar\u0131 yakalar.  Bu sayede, hata y\u00f6netimi sa\u011flanm\u0131\u015f olur.<\/p>\n<h2>Writable Stream \u00d6rne\u011fi<\/h2>\n<p>Verileri bir dosyaya yazmak i\u00e7in Writable Stream kullan\u0131m\u0131:<\/p>\n<pre><code class=\"language-javascript\">\nconst fs = require('fs');\nconst ws = fs.createWriteStream('newFile.txt');\n\nws.write('Merhaba, d\u00fcnya!');\nws.end();\n\nws.on('finish', () => {\n  console.log('Dosya yazma i\u015flemi tamamland\u0131.');\n});\n\nws.on('error', (err) => {\n  console.error(Hata olu\u015ftu: ${err});\n});\n<\/code><\/pre>\n<p>Bu basit \u00f6rnek, &#8220;Merhaba, d\u00fcnya!&#8221; metnini <code>newFile.txt<\/code> adl\u0131 bir dosyaya yazar.  <code>ws.end()<\/code> metodu, yazma i\u015flemini sonland\u0131r\u0131r.  Hata y\u00f6netimi yine olay dinleyicileri arac\u0131l\u0131\u011f\u0131yla ger\u00e7ekle\u015ftirilir.<\/p>\n<h2>Transform Stream \u00d6rne\u011fi<\/h2>\n<p>Verileri d\u00f6n\u00fc\u015ft\u00fcrmek i\u00e7in Transform Stream&#8217;lerin kullan\u0131m\u0131 olduk\u00e7a faydal\u0131d\u0131r. A\u015fa\u011f\u0131daki \u00f6rnekte, b\u00fcy\u00fck harf d\u00f6n\u00fc\u015ft\u00fcrme i\u015flemi g\u00f6sterilmektedir:<\/p>\n<pre><code class=\"language-javascript\">\nconst { Transform } = require('stream');\n\nclass UpperCaseTransform extends Transform {\n  _transform(chunk, encoding, callback) {\n    callback(null, chunk.toString().toUpperCase());\n  }\n}\n\nconst upperCaseStream = new UpperCaseTransform();\n\n\/\/ ... Readable ve Writable Stream'leri buraya ba\u011flayabilirsiniz ...\n<\/code><\/pre>\n<p>Bu \u00f6rnekte,  <code>UpperCaseTransform<\/code> s\u0131n\u0131f\u0131, gelen veri par\u00e7alar\u0131n\u0131 b\u00fcy\u00fck harflere d\u00f6n\u00fc\u015ft\u00fcr\u00fcr.  Bu d\u00f6n\u00fc\u015ft\u00fcr\u00fclm\u00fc\u015f veriler daha sonra di\u011fer ak\u0131\u015flara (\u00f6rne\u011fin, Writable Stream) aktar\u0131labilir.<\/p>\n<h2>Pipe Kullan\u0131m\u0131<\/h2>\n<p>Stream&#8217;ler aras\u0131nda verileri aktarmak i\u00e7in  <code>pipe()<\/code> metodu kullan\u0131l\u0131r.  Bu, kodun daha okunabilir ve daha d\u00fczenli olmas\u0131n\u0131 sa\u011flar. \u00d6rne\u011fin, bir Readable Stream&#8217;i bir Writable Stream&#8217;e ba\u011flamak i\u00e7in:<\/p>\n<pre><code class=\"language-javascript\">\nconst fs = require('fs');\nconst rs = fs.createReadStream('myFile.txt');\nconst ws = fs.createWriteStream('newFile.txt');\n\nrs.pipe(ws);\n<\/code><\/pre>\n<p>Bu tek sat\u0131r kod,  <code>myFile.txt<\/code> dosyas\u0131n\u0131n i\u00e7eri\u011fini  <code>newFile.txt<\/code> dosyas\u0131na kopyalar.  <code>pipe()<\/code> metodu, verilerin otomatik olarak bir Stream&#8217;den di\u011ferine aktar\u0131lmas\u0131n\u0131 sa\u011flar.<\/p>\n<h2>Performans Optimizasyonu<\/h2>\n<p>Stream&#8217;ler, b\u00fcy\u00fck veri setleriyle \u00e7al\u0131\u015f\u0131rken performans\u0131 \u00f6nemli \u00f6l\u00e7\u00fcde art\u0131r\u0131r.  Bellek kullan\u0131m\u0131n\u0131 azaltarak, uygulaman\u0131z\u0131n daha verimli \u00e7al\u0131\u015fmas\u0131n\u0131 sa\u011flarlar.  \u00d6zellikle b\u00fcy\u00fck dosyalar\u0131 i\u015flerken veya ger\u00e7ek zamanl\u0131 veri ak\u0131\u015flar\u0131yla u\u011fra\u015f\u0131rken Stream&#8217;ler kullanmak \u00f6nemlidir.  Bu sayede, sisteminizin performans\u0131n\u0131 iyile\u015ftirebilirsiniz.<\/p>\n<h2>Sonu\u00e7<\/h2>\n<p>Node.js&#8217;teki Stream&#8217;ler, b\u00fcy\u00fck veri i\u015flemede performans\u0131n\u0131z\u0131 art\u0131rmak i\u00e7in g\u00fc\u00e7l\u00fc bir ara\u00e7t\u0131r.  Bu makalede ele ald\u0131\u011f\u0131m\u0131z konular, Stream&#8217;lerin temel kullan\u0131m\u0131n\u0131 ve \u00e7e\u015fitli t\u00fcrlerini anlaman\u0131za yard\u0131mc\u0131 olacakt\u0131r.  Daha fazla bilgi i\u00e7in  <a href=\"https:\/\/fatihsoysal.com\">fatihsoysal.com<\/a>  sitesini ziyaret edebilir veya  <a href=\"https:\/\/nodejs.org\/api\/stream.html\">Node.js Stream dok\u00fcmantasyonuna<\/a> g\u00f6z atabilirsiniz.  Stream&#8217;leri etkin bir \u015fekilde kullanarak, Node.js uygulamalar\u0131n\u0131z\u0131n \u00f6l\u00e7eklenebilirli\u011fini ve performans\u0131n\u0131 \u00f6nemli \u00f6l\u00e7\u00fcde iyile\u015ftirebilirsiniz.<\/p>\n<p>Umar\u0131m bu makale size yard\u0131mc\u0131 olmu\u015ftur. Ba\u015fka sorular\u0131n\u0131z varsa bana ula\u015fmaktan \u00e7ekinmeyin!<\/p>\n<p>#Etiketler: Node.js, Stream, Ak\u0131\u015flar, JavaScript, Performans, Programlama, Readable Stream, Writable Stream, Duplex Stream, Transform Stream, pipe,  fs,  dosya okuma, dosya yazma, veri i\u015fleme, performans optimizasyonu<\/p>\n<p><\/body><br \/>\n<\/html><\/p>\n","protected":false},"excerpt":{"rendered":"Node.js&#8217;te Stream&#8217;ler: Ustal\u0131k Seviyesine Ula\u015fma Node.js, b\u00fcy\u00fck veri setleriyle \u00e7al\u0131\u015f\u0131rken performans\u0131 optimize etmek i\u00e7in ak\u0131\u015flar (Streams) sunar. Bu,&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-13931","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>Node.js&#039;te Stream&#039;ler: Ustal\u0131k Seviyesine Ula\u015fma<\/title>\n<meta name=\"description\" content=\"Node.js, b\u00fcy\u00fck veri setleriyle \u00e7al\u0131\u015f\u0131rken performans\u0131 optimize etmek i\u00e7in ak\u0131\u015flar (Streams) sunar. Bu, \u00f6zellikle b\u00fcy\u00fck dosyalar\u0131n i\u015flenmesi veya ger\u00e7ek zamanl\u0131 veri ak\u0131\u015flar\u0131n\u0131n y\u00f6netimi gibi durumlarda son derece \u00f6nemlidir. Stream&#039;ler, verileri k\u00fc\u00e7\u00fck par\u00e7alara b\u00f6lerek i\u015flemi daha verimli hale getirir ve bellek t\u00fcketimini azalt\u0131r. Bu makalede, Node.js&#039;te Stream&#039;lerin nas\u0131l kullan\u0131laca\u011f\u0131n\u0131 ve performans\u0131n\u0131z\u0131 nas\u0131l art\u0131raca\u011f\u0131n\u0131z\u0131 detayl\u0131 bir \u015fekilde ele alaca\u011f\u0131z.\" \/>\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\/node-jste-streamler-ustalik-seviyesine-ulasma\/\" \/>\n<meta property=\"og:locale\" content=\"tr_TR\" \/>\n<meta property=\"og:type\" content=\"article\" \/>\n<meta property=\"og:title\" content=\"Node.js&#039;te Stream&#039;ler: Ustal\u0131k Seviyesine Ula\u015fma\" \/>\n<meta property=\"og:description\" content=\"Node.js, b\u00fcy\u00fck veri setleriyle \u00e7al\u0131\u015f\u0131rken performans\u0131 optimize etmek i\u00e7in ak\u0131\u015flar (Streams) sunar. Bu, \u00f6zellikle b\u00fcy\u00fck dosyalar\u0131n i\u015flenmesi veya ger\u00e7ek zamanl\u0131 veri ak\u0131\u015flar\u0131n\u0131n y\u00f6netimi gibi durumlarda son derece \u00f6nemlidir. Stream&#039;ler, verileri k\u00fc\u00e7\u00fck par\u00e7alara b\u00f6lerek i\u015flemi daha verimli hale getirir ve bellek t\u00fcketimini azalt\u0131r. Bu makalede, Node.js&#039;te Stream&#039;lerin nas\u0131l kullan\u0131laca\u011f\u0131n\u0131 ve performans\u0131n\u0131z\u0131 nas\u0131l art\u0131raca\u011f\u0131n\u0131z\u0131 detayl\u0131 bir \u015fekilde ele alaca\u011f\u0131z.\" \/>\n<meta property=\"og:url\" content=\"https:\/\/fatihsoysal.com\/blog\/node-jste-streamler-ustalik-seviyesine-ulasma\/\" \/>\n<meta property=\"og:site_name\" content=\"Kodlar\u0131n Gizemli D\u00fcnyas\u0131\" \/>\n<meta property=\"article:published_time\" content=\"2025-03-01T17:00:17+00:00\" \/>\n<meta name=\"author\" content=\"Fatih Soysal\" \/>\n<meta name=\"twitter:card\" content=\"summary_large_image\" \/>\n<meta name=\"twitter:label1\" content=\"Yazan:\" \/>\n\t<meta name=\"twitter:data1\" content=\"Fatih Soysal\" \/>\n\t<meta name=\"twitter:label2\" content=\"Tahmini okuma s\u00fcresi\" \/>\n\t<meta name=\"twitter:data2\" content=\"4 dakika\" \/>\n<script type=\"application\/ld+json\" class=\"yoast-schema-graph\">{\"@context\":\"https:\/\/schema.org\",\"@graph\":[{\"@type\":\"Article\",\"@id\":\"https:\/\/fatihsoysal.com\/blog\/node-jste-streamler-ustalik-seviyesine-ulasma\/#article\",\"isPartOf\":{\"@id\":\"https:\/\/fatihsoysal.com\/blog\/node-jste-streamler-ustalik-seviyesine-ulasma\/\"},\"author\":{\"name\":\"Fatih Soysal\",\"@id\":\"https:\/\/fatihsoysal.com\/blog\/#\/schema\/person\/002a254750921dcfd568a99e48240dd1\"},\"headline\":\"Node.js&#8217;te Stream&#8217;ler: Ustal\u0131k Seviyesine Ula\u015fma\",\"datePublished\":\"2025-03-01T17:00:17+00:00\",\"mainEntityOfPage\":{\"@id\":\"https:\/\/fatihsoysal.com\/blog\/node-jste-streamler-ustalik-seviyesine-ulasma\/\"},\"wordCount\":693,\"commentCount\":0,\"publisher\":{\"@id\":\"https:\/\/fatihsoysal.com\/blog\/#\/schema\/person\/002a254750921dcfd568a99e48240dd1\"},\"inLanguage\":\"tr\",\"potentialAction\":[{\"@type\":\"CommentAction\",\"name\":\"Comment\",\"target\":[\"https:\/\/fatihsoysal.com\/blog\/node-jste-streamler-ustalik-seviyesine-ulasma\/#respond\"]}],\"copyrightYear\":\"2025\",\"copyrightHolder\":{\"@id\":\"https:\/\/fatihsoysal.com\/blog\/#organization\"}},{\"@type\":\"WebPage\",\"@id\":\"https:\/\/fatihsoysal.com\/blog\/node-jste-streamler-ustalik-seviyesine-ulasma\/\",\"url\":\"https:\/\/fatihsoysal.com\/blog\/node-jste-streamler-ustalik-seviyesine-ulasma\/\",\"name\":\"Node.js'te Stream'ler: Ustal\u0131k Seviyesine Ula\u015fma\",\"isPartOf\":{\"@id\":\"https:\/\/fatihsoysal.com\/blog\/#website\"},\"datePublished\":\"2025-03-01T17:00:17+00:00\",\"description\":\"Node.js, b\u00fcy\u00fck veri setleriyle \u00e7al\u0131\u015f\u0131rken performans\u0131 optimize etmek i\u00e7in ak\u0131\u015flar (Streams) sunar. 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