{"id":476592,"date":"2023-08-09T07:31:20","date_gmt":"2023-08-09T07:31:20","guid":{"rendered":""},"modified":"2023-09-05T11:13:02","modified_gmt":"2023-09-05T11:13:02","slug":"dask","status":"publish","type":"wiki","link":"https:\/\/oneproxy.pro\/tr\/wiki\/dask\/","title":{"rendered":"Dask"},"content":{"rendered":"<p>Dask, Python&#039;da paralel hesaplamaya y\u00f6nelik g\u00fc\u00e7l\u00fc, esnek bir a\u00e7\u0131k kaynakl\u0131 k\u00fct\u00fcphanedir. Tek bir bilgisayardan bir sunucu k\u00fcmesine kadar \u00f6l\u00e7eklendirilmek \u00fczere tasarlanan Dask, analitik i\u00e7in geli\u015fmi\u015f paralellik sa\u011flayarak kullan\u0131c\u0131n\u0131n bir\u00e7ok \u00e7ekirdekte b\u00fcy\u00fck hesaplamalar yapmas\u0131na olanak tan\u0131r. Dask, b\u00fcy\u00fck veri i\u015fleme i\u00e7in pop\u00fcler bir se\u00e7imdir ve Python gerektiren paralel hesaplama g\u00f6revleri i\u00e7in Apache Spark&#039;a bir alternatif sa\u011flar.<\/p>\n<h2>Dask&#039;\u0131n Tarihi<\/h2>\n<p>Proje a\u00e7\u0131k kaynakl\u0131 bir giri\u015fim olarak ba\u015flad\u0131 ve ilk olarak 2014 y\u0131l\u0131nda yarat\u0131c\u0131s\u0131 Matthew Rocklin taraf\u0131ndan duyuruldu. O zamanlar Anaconda Inc. ile \u00e7al\u0131\u015fan bir geli\u015ftirici olan Rocklin, Python&#039;da, \u00f6zellikle de NumPy ve Pandas gibi pop\u00fcler k\u00fct\u00fcphanelerde bellek i\u00e7i i\u015flemenin hesaplama s\u0131n\u0131rlamalar\u0131n\u0131 ele almaya \u00e7al\u0131\u015f\u0131yordu. Bu ara\u00e7lar, bellekten daha b\u00fcy\u00fck veri k\u00fcmeleriyle verimli bir \u015fekilde \u00e7al\u0131\u015fmakta zorlan\u0131yordu; bu, Dask&#039;\u0131n \u00fcstesinden gelmeye \u00e7al\u0131\u015ft\u0131\u011f\u0131 bir s\u0131n\u0131rlamayd\u0131.<\/p>\n<h2>Dask&#039;\u0131 Anlamak<\/h2>\n<p>Dask, paralel ve bellekten b\u00fcy\u00fck hesaplamalar\u0131 daha k\u00fc\u00e7\u00fck g\u00f6revlere b\u00f6lerek, bu g\u00f6revleri paralel bir \u015fekilde y\u00fcr\u00fcterek ve bellek kaynaklar\u0131n\u0131 do\u011fru \u015fekilde y\u00f6neterek kolayla\u015ft\u0131r\u0131r. Dask bunu yapmak i\u00e7in basit bir strateji kullan\u0131r: ger\u00e7ekle\u015ftirilecek hesaplamalar\u0131n s\u0131ras\u0131n\u0131 tan\u0131mlayan bir g\u00f6rev planlama grafi\u011fi, y\u00f6nlendirilmi\u015f bir asiklik grafik (DAG) olu\u015fturur.<\/p>\n<p>Dask \u00f6z\u00fcnde iki bile\u015fen etraf\u0131nda in\u015fa edilmi\u015ftir:<\/p>\n<ol>\n<li>\n<p>Dinamik g\u00f6rev planlama: Bu, hesaplama i\u00e7in optimize edilmi\u015ftir ve b\u00fcy\u00fck veri yap\u0131lar\u0131n\u0131 i\u015fleyebilir.<\/p>\n<\/li>\n<li>\n<p>\u201cB\u00fcy\u00fck Veri\u201d koleksiyonlar\u0131: Bu diziler, listeler ve panda veri \u00e7er\u00e7evelerini taklit eder ancak belle\u011fe s\u0131\u011fmayan veri k\u00fcmelerini daha k\u00fc\u00e7\u00fck, y\u00f6netilebilir par\u00e7alara b\u00f6lerek paralel olarak \u00e7al\u0131\u015fabilir.<\/p>\n<\/li>\n<\/ol>\n<h2>Dask&#039;\u0131n \u0130\u00e7 Yap\u0131s\u0131<\/h2>\n<p>Dask, g\u00f6rev grafiklerini paralel olarak y\u00fcr\u00fctmek i\u00e7in da\u011f\u0131t\u0131lm\u0131\u015f bir zamanlay\u0131c\u0131 kullan\u0131r. Bu zamanlay\u0131c\u0131, g\u00f6revlerin y\u00fcr\u00fct\u00fclmesini koordine eder ve bir k\u00fcmedeki \u00e7al\u0131\u015fan d\u00fc\u011f\u00fcmler aras\u0131ndaki ileti\u015fimi y\u00f6netir. Zamanlay\u0131c\u0131 ve \u00e7al\u0131\u015fanlar, ayr\u0131 bir Python s\u00fcreci olarak uygulanan merkezi bir &#039;da\u011f\u0131t\u0131lm\u0131\u015f zamanlay\u0131c\u0131&#039; arac\u0131l\u0131\u011f\u0131yla ileti\u015fim kurar.<\/p>\n<p>Bir hesaplama g\u00f6nderildi\u011finde Dask ilk \u00f6nce hesaplamay\u0131 temsil eden bir g\u00f6rev grafi\u011fi olu\u015fturur. Grafikteki her d\u00fc\u011f\u00fcm bir Python fonksiyonunu temsil ederken her kenar, fonksiyonlar aras\u0131nda aktar\u0131lan verileri (genellikle bir Python nesnesini) temsil eder.<\/p>\n<p>Dask da\u011f\u0131t\u0131lm\u0131\u015f zamanlay\u0131c\u0131 daha sonra grafi\u011fi daha k\u00fc\u00e7\u00fck, daha y\u00f6netilebilir par\u00e7alara b\u00f6ler ve bu par\u00e7alar\u0131 k\u00fcmedeki \u00e7al\u0131\u015fan d\u00fc\u011f\u00fcmlere atar. Her \u00e7al\u0131\u015fan d\u00fc\u011f\u00fcm kendisine atanan g\u00f6revleri yerine getirir ve sonu\u00e7lar\u0131 zamanlay\u0131c\u0131ya geri bildirir. Zamanlay\u0131c\u0131, grafi\u011fin hangi b\u00f6l\u00fcmlerinin tamamland\u0131\u011f\u0131n\u0131 ve hangilerinin hala beklemede oldu\u011funu takip ederek planlama kararlar\u0131n\u0131 hesaplaman\u0131n durumuna ve k\u00fcmede mevcut kaynaklara g\u00f6re ayarlar.<\/p>\n<h2>Dask&#039;\u0131n Temel \u00d6zellikleri<\/h2>\n<ul>\n<li>\n<p><strong>Paralellik<\/strong>: Dask, modern \u00e7ok \u00e7ekirdekli i\u015flemcilerin ve da\u011f\u0131t\u0131lm\u0131\u015f ortamlar\u0131n g\u00fcc\u00fcnden yararlanarak i\u015flemleri paralel olarak y\u00fcr\u00fctebilir.<\/p>\n<\/li>\n<li>\n<p><strong>\u00d6l\u00e7eklenebilirlik<\/strong>: Tek makineden k\u00fcme tabanl\u0131 hesaplamalara sorunsuz bir \u015fekilde \u00f6l\u00e7eklenebilir.<\/p>\n<\/li>\n<li>\n<p><strong>Entegrasyon<\/strong>: Dask, Pandas, NumPy ve Scikit-Learn gibi mevcut Python kitapl\u0131klar\u0131yla iyi bir \u015fekilde b\u00fct\u00fcnle\u015fir.<\/p>\n<\/li>\n<li>\n<p><strong>Esneklik<\/strong>: Veri analiti\u011fi ve veri d\u00f6n\u00fc\u015f\u00fcm\u00fcnden makine \u00f6\u011frenimine kadar \u00e7ok \u00e7e\u015fitli g\u00f6revleri yerine getirebilir.<\/p>\n<\/li>\n<li>\n<p><strong>Bellekten daha b\u00fcy\u00fck veri k\u00fcmelerini i\u015fleme<\/strong>: Dask, verileri daha k\u00fc\u00e7\u00fck par\u00e7alara b\u00f6lerek belle\u011fe s\u0131\u011fmayan veri k\u00fcmelerini i\u015fleyebilir.<\/p>\n<\/li>\n<\/ul>\n<h2>Dask T\u00fcrleri<\/h2>\n<p>Dask temelde tek bir kitapl\u0131k olsa da tan\u0131d\u0131k Python veri yap\u0131lar\u0131n\u0131 taklit eden ve geni\u015fleten \u00e7e\u015fitli veri yap\u0131lar\u0131 veya &#039;koleksiyonlar&#039; sa\u011flar. Bunlar \u015funlar\u0131 i\u00e7erir:<\/p>\n<ol>\n<li>\n<p><strong>Dask Dizisi<\/strong>: NumPy&#039;nin ndarray aray\u00fcz\u00fcn\u00fc taklit eder ve NumPy&#039;nin API&#039;sinin \u00e7o\u011funu destekleyebilir. Belle\u011fe s\u0131\u011fmayan b\u00fcy\u00fck veri k\u00fcmeleri i\u00e7in tasarlanm\u0131\u015ft\u0131r.<\/p>\n<\/li>\n<li>\n<p><strong>Dask DataFrame<\/strong>: Pandas DataFrame aray\u00fcz\u00fcn\u00fc yans\u0131t\u0131r ve Pandas API&#039;sinin bir alt k\u00fcmesini destekler. Pandalara benzer bir aray\u00fcze sahip, bellekten b\u00fcy\u00fck veri k\u00fcmelerini i\u015flemek i\u00e7in kullan\u0131\u015fl\u0131d\u0131r.<\/p>\n<\/li>\n<li>\n<p><strong>Dask \u00c7anta<\/strong>: Gibi i\u015flemleri uygular <code data-no-translation=\"\">map<\/code>, <code data-no-translation=\"\">filter<\/code>, <code data-no-translation=\"\">groupby<\/code> genel Python nesnelerinde. JSON veya XML gibi yar\u0131 yap\u0131land\u0131r\u0131lm\u0131\u015f verilerle \u00e7al\u0131\u015fmak i\u00e7in \u00e7ok uygundur.<\/p>\n<\/li>\n<li>\n<p><strong>Dask ML<\/strong>: Di\u011fer Dask koleksiyonlar\u0131yla iyi entegre olan \u00f6l\u00e7eklenebilir makine \u00f6\u011frenimi algoritmalar\u0131 sa\u011flar.<\/p>\n<\/li>\n<\/ol>\n<h2>Dask&#039;\u0131 Kullanma Yollar\u0131<\/h2>\n<p>Dask \u00e7ok y\u00f6nl\u00fcd\u00fcr ve a\u015fa\u011f\u0131dakiler de dahil olmak \u00fczere \u00e7e\u015fitli uygulamalar i\u00e7in kullan\u0131labilir:<\/p>\n<ul>\n<li>\n<p>Veri d\u00f6n\u00fc\u015f\u00fcm\u00fc ve \u00f6n i\u015fleme: Dask&#039;\u0131n DataFrame ve dizi yap\u0131lar\u0131, b\u00fcy\u00fck veri k\u00fcmelerinin paralel olarak verimli bir \u015fekilde d\u00f6n\u00fc\u015ft\u00fcr\u00fclmesine olanak tan\u0131r.<\/p>\n<\/li>\n<li>\n<p>Makine \u00d6\u011frenimi: Dask-ML, \u00f6zellikle b\u00fcy\u00fck veri k\u00fcmeleriyle u\u011fra\u015f\u0131rken yararl\u0131 olabilecek bir dizi \u00f6l\u00e7eklenebilir makine \u00f6\u011frenimi algoritmas\u0131 sa\u011flar.<\/p>\n<\/li>\n<li>\n<p>Sim\u00fclasyonlar ve karma\u015f\u0131k hesaplamalar: Dask gecikmeli aray\u00fcz\u00fc, iste\u011fe ba\u011fl\u0131 hesaplamalar\u0131 paralel olarak ger\u00e7ekle\u015ftirmek i\u00e7in kullan\u0131labilir.<\/p>\n<\/li>\n<\/ul>\n<p>\u00c7ok y\u00f6nl\u00fcl\u00fc\u011f\u00fcne ve g\u00fcc\u00fcne ra\u011fmen Dask zorluklarla kar\u015f\u0131la\u015fabilir. \u00d6rne\u011fin, baz\u0131 algoritmalar kolayl\u0131kla paralelle\u015ftirilemez ve Dask&#039;\u0131n da\u011f\u0131t\u0131lm\u0131\u015f bilgi i\u015flem yeteneklerinden \u00f6nemli \u00f6l\u00e7\u00fcde yararlanamayabilir. \u00dcstelik herhangi bir da\u011f\u0131t\u0131lm\u0131\u015f bilgi i\u015flem sisteminde oldu\u011fu gibi, Dask hesaplamalar\u0131 da \u00f6zellikle bir k\u00fcme \u00fczerinde \u00e7al\u0131\u015f\u0131rken a\u011f bant geni\u015fli\u011fi ile s\u0131n\u0131rlanabilir.<\/p>\n<h2>Benzer Ara\u00e7larla Kar\u015f\u0131la\u015ft\u0131rmalar<\/h2>\n<p>Dask s\u0131kl\u0131kla di\u011fer da\u011f\u0131t\u0131lm\u0131\u015f bilgi i\u015flem \u00e7er\u00e7eveleriyle, \u00f6zellikle de Apache Spark ile kar\u015f\u0131la\u015ft\u0131r\u0131l\u0131r. \u0130\u015fte k\u0131sa bir kar\u015f\u0131la\u015ft\u0131rma:<\/p>\n<table>\n<thead>\n<tr>\n<th>\u00d6zellikler<\/th>\n<th>Dask<\/th>\n<th>Apache K\u0131v\u0131lc\u0131m\u0131<\/th>\n<\/tr>\n<\/thead>\n<tbody>\n<tr>\n<td>Dil<\/td>\n<td>Python<\/td>\n<td>Scala, Java, Python, R<\/td>\n<\/tr>\n<tr>\n<td>Kullan\u0131m kolayl\u0131\u011f\u0131<\/td>\n<td>Y\u00fcksek (\u00f6zellikle Python kullan\u0131c\u0131lar\u0131 i\u00e7in)<\/td>\n<td>Il\u0131man<\/td>\n<\/tr>\n<tr>\n<td>Ekosistem<\/td>\n<td>Python veri y\u0131\u011f\u0131n\u0131yla yerel entegrasyon (Pandas, NumPy, Scikit-learn)<\/td>\n<td>Kapsaml\u0131 (Spark SQL, MLLib, GraphX)<\/td>\n<\/tr>\n<tr>\n<td>\u00d6l\u00e7eklenebilirlik<\/td>\n<td>\u0130yi<\/td>\n<td>Harika<\/td>\n<\/tr>\n<tr>\n<td>Verim<\/td>\n<td>H\u0131zl\u0131, karma\u015f\u0131k hesaplamalar i\u00e7in optimize edilmi\u015f<\/td>\n<td>H\u0131zl\u0131, veri kar\u0131\u015ft\u0131rma i\u015flemleri i\u00e7in optimize edilmi\u015f<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n<h2>Dask ile \u0130lgili Gelecek Perspektifleri ve Teknolojiler<\/h2>\n<p>Veri boyutlar\u0131 b\u00fcy\u00fcmeye devam ettik\u00e7e Dask gibi ara\u00e7lar giderek \u00f6nem kazan\u0131yor. Dask aktif olarak geli\u015ftirilmektedir ve gelecekteki g\u00fcncellemeler performans\u0131, kararl\u0131l\u0131\u011f\u0131 ve PyData ekosistemindeki di\u011fer k\u00fct\u00fcphanelerle entegrasyonu iyile\u015ftirmeyi ama\u00e7lamaktad\u0131r.<\/p>\n<p>B\u00fcy\u00fck verilerle makine \u00f6\u011frenimi Dask i\u00e7in gelecek vaat eden bir alan. Dask&#039;\u0131n Scikit-Learn ve XGBoost gibi k\u00fct\u00fcphanelerle sorunsuz bir \u015fekilde \u00e7al\u0131\u015fabilme yetene\u011fi, onu da\u011f\u0131t\u0131lm\u0131\u015f makine \u00f6\u011frenimi g\u00f6revleri i\u00e7in \u00e7ekici bir ara\u00e7 haline getiriyor. Gelecekteki geli\u015fmeler bu yetenekleri daha da g\u00fc\u00e7lendirebilir.<\/p>\n<h2>Proxy Sunucular\u0131 ve Dask<\/h2>\n<p>Proxy sunucular\u0131, Dask d\u0131\u015f kaynaklarla etkile\u015fime girdi\u011finde ek bir g\u00fcvenlik ve kontrol katman\u0131 sa\u011flayarak Dask ortam\u0131nda bir rol oynayabilir. \u00d6rne\u011fin, Dask \u00e7al\u0131\u015fanlar\u0131 ile internetteki veri kaynaklar\u0131 veya depolama hizmetleri aras\u0131ndaki trafi\u011fi kontrol etmek ve izlemek i\u00e7in bir proxy sunucusu kullan\u0131labilir. Ancak proxy sunucunun Dask&#039;\u0131n performans\u0131n\u0131 s\u0131n\u0131rlayan bir darbo\u011faz haline gelmemesine dikkat edilmelidir.<\/p>\n<h2>\u0130lgili Ba\u011flant\u0131lar<\/h2>\n<ol>\n<li><a href=\"https:\/\/dask.org\/\" target=\"_new\" rel=\"noopener nofollow\">Dask Belgeleri<\/a>: Dask&#039;\u0131n t\u00fcm y\u00f6nlerini kapsayan kapsaml\u0131 resmi belgeler.<\/li>\n<li><a href=\"https:\/\/github.com\/dask\/dask\" target=\"_new\" rel=\"noopener nofollow\">Dask GitHub Deposu<\/a>: \u00d6rnekler ve sorun takibiyle birlikte Dask&#039;\u0131n kaynak kodu.<\/li>\n<li><a href=\"https:\/\/tutorial.dask.org\/\" target=\"_new\" rel=\"noopener nofollow\">Dask E\u011fitimi<\/a>: Yeni kullan\u0131c\u0131lar\u0131n Dask&#039;\u0131 kullanmaya ba\u015flamas\u0131 i\u00e7in ayr\u0131nt\u0131l\u0131 bir e\u011fitim.<\/li>\n<li><a href=\"https:\/\/blog.dask.org\/\" target=\"_new\" rel=\"noopener nofollow\">Dask Blogu<\/a>: Dask ile ilgili g\u00fcncellemeleri ve kullan\u0131m \u00f6rneklerini i\u00e7eren resmi blog.<\/li>\n<li><a href=\"https:\/\/stories.dask.org\/en\/latest\/\" target=\"_new\" rel=\"noopener nofollow\">Dask Kullan\u0131m Durumlar\u0131<\/a>: Dask&#039;\u0131n nas\u0131l kullan\u0131ld\u0131\u011f\u0131na dair ger\u00e7ek d\u00fcnyadan \u00f6rnekler.<\/li>\n<li><a href=\"https:\/\/docs.dask.org\/en\/latest\/api.html\" target=\"_new\" rel=\"noopener nofollow\">Dask API&#039;si<\/a>: Dask&#039;\u0131n API&#039;si hakk\u0131nda detayl\u0131 bilgi.<\/li>\n<\/ol>","protected":false},"featured_media":468085,"menu_order":0,"template":"","meta":{"_acf_changed":false,"content-type":"","inline_featured_image":false,"footnotes":""},"class_list":["post-476592","wiki","type-wiki","status-publish","has-post-thumbnail","hentry"],"acf":{"faq_title":"Frequently Asked Questions about <mark>Dask: An Overview<\/mark>","faq_items":[{"question":"What is Dask?","answer":"<p>Dask is an open-source library for parallel computing in Python. It is designed to scale from a single computer to a cluster of servers, allowing large computations to be performed across many cores. Dask is particularly useful for big data processing tasks.<\/p>"},{"question":"When was Dask first introduced and by whom?","answer":"<p>Dask was first announced in 2014 by Matthew Rocklin, a developer associated with Anaconda Inc. He created Dask to overcome the computational limitations of in-memory processing in Python, specifically for large datasets.<\/p>"},{"question":"How does Dask work?","answer":"<p>Dask works by breaking down computations into smaller tasks, executing these tasks in a parallel manner, and effectively managing memory resources. It creates a task scheduling graph, a directed acyclic graph (DAG), that describes the sequence of computations to be performed. The Dask distributed scheduler then assigns and executes these tasks across worker nodes in a cluster.<\/p>"},{"question":"What are the key features of Dask?","answer":"<p>The key features of Dask include its ability to perform parallel operations, scale seamlessly, integrate with existing Python libraries, handle a wide range of tasks, and manage datasets larger than memory by breaking them into smaller chunks.<\/p>"},{"question":"What types of Dask exist?","answer":"<p>Dask provides several data structures or 'collections' that mimic and extend familiar Python data structures, including Dask Array, Dask DataFrame, Dask Bag, and Dask ML.<\/p>"},{"question":"How can Dask be used and what challenges can arise?","answer":"<p>Dask can be used for various applications including data transformation, machine learning, and complex computations. Despite its versatility, Dask can present challenges. Some algorithms are not easily parallelizable and network bandwidth can limit Dask computations when working on a cluster.<\/p>"},{"question":"How does Dask compare to similar tools like Apache Spark?","answer":"<p>While both Dask and Apache Spark are distributed computing frameworks, Dask is built around Python and natively integrates with Python data stack. It is often considered easier to use for Python developers. Apache Spark, on the other hand, is built around Scala and Java, and while it supports Python, it is often considered more extensive in its ecosystem.<\/p>"},{"question":"What are the future perspectives and technologies related to Dask?","answer":"<p>As data sizes continue to grow, tools like Dask become increasingly important. Future developments aim to improve Dask's performance, stability, and integration with other libraries. Machine learning with big data is a promising area for Dask.<\/p>"},{"question":"How are proxy servers associated with Dask?","answer":"<p>Proxy servers can provide an additional layer of security and control when Dask interacts with external resources. A proxy server can control and monitor the traffic between Dask workers and data sources or storage services on the internet. However, it must be ensured that the proxy server does not limit Dask's performance.<\/p>"}]},"_links":{"self":[{"href":"https:\/\/oneproxy.pro\/tr\/wp-json\/wp\/v2\/wiki\/476592","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/oneproxy.pro\/tr\/wp-json\/wp\/v2\/wiki"}],"about":[{"href":"https:\/\/oneproxy.pro\/tr\/wp-json\/wp\/v2\/types\/wiki"}],"version-history":[{"count":0,"href":"https:\/\/oneproxy.pro\/tr\/wp-json\/wp\/v2\/wiki\/476592\/revisions"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/oneproxy.pro\/tr\/wp-json\/wp\/v2\/media\/468085"}],"wp:attachment":[{"href":"https:\/\/oneproxy.pro\/tr\/wp-json\/wp\/v2\/media?parent=476592"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}