{"id":2629,"date":"2017-05-23T12:41:38","date_gmt":"2017-05-23T12:41:38","guid":{"rendered":"http:\/\/data-flair.training\/blogs\/?p=2629"},"modified":"2018-11-21T11:26:32","modified_gmt":"2018-11-21T05:56:32","slug":"apache-spark-rdd-limitations","status":"publish","type":"post","link":"https:\/\/data-flair.training\/blogs\/apache-spark-rdd-limitations\/","title":{"rendered":"How to Overcome the Limitations of RDD in Apache Spark?"},"content":{"rendered":"<div class='__iawmlf-post-loop-links' style='display:none;' data-iawmlf-post-links='[{&quot;id&quot;:1357,&quot;href&quot;:&quot;https:\\\/\\\/en.wikipedia.org\\\/wiki\\\/Apache_Spark&quot;,&quot;archived_href&quot;:&quot;http:\\\/\\\/web-wp.archive.org\\\/web\\\/20250922221612\\\/https:\\\/\\\/en.wikipedia.org\\\/wiki\\\/Apache_Spark&quot;,&quot;redirect_href&quot;:&quot;&quot;,&quot;checks&quot;:[{&quot;date&quot;:&quot;2025-12-09 05:27:27&quot;,&quot;http_code&quot;:200},{&quot;date&quot;:&quot;2025-12-12 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15:03:23&quot;,&quot;http_code&quot;:429},{&quot;date&quot;:&quot;2026-04-20 17:12:48&quot;,&quot;http_code&quot;:429},{&quot;date&quot;:&quot;2026-04-23 18:14:30&quot;,&quot;http_code&quot;:404},{&quot;date&quot;:&quot;2026-04-26 23:59:57&quot;,&quot;http_code&quot;:200},{&quot;date&quot;:&quot;2026-04-30 03:29:22&quot;,&quot;http_code&quot;:200},{&quot;date&quot;:&quot;2026-05-03 03:48:13&quot;,&quot;http_code&quot;:200},{&quot;date&quot;:&quot;2026-05-06 06:11:43&quot;,&quot;http_code&quot;:200},{&quot;date&quot;:&quot;2026-05-09 10:25:28&quot;,&quot;http_code&quot;:200},{&quot;date&quot;:&quot;2026-05-12 12:20:35&quot;,&quot;http_code&quot;:200},{&quot;date&quot;:&quot;2026-05-15 15:48:18&quot;,&quot;http_code&quot;:200},{&quot;date&quot;:&quot;2026-05-19 00:06:09&quot;,&quot;http_code&quot;:200},{&quot;date&quot;:&quot;2026-05-22 12:24:50&quot;,&quot;http_code&quot;:200},{&quot;date&quot;:&quot;2026-05-25 12:59:28&quot;,&quot;http_code&quot;:200},{&quot;date&quot;:&quot;2026-05-28 18:04:56&quot;,&quot;http_code&quot;:200},{&quot;date&quot;:&quot;2026-06-01 07:34:11&quot;,&quot;http_code&quot;:200},{&quot;date&quot;:&quot;2026-06-04 09:52:56&quot;,&quot;http_code&quot;:200},{&quot;date&quot;:&quot;2026-06-07 13:28:25&quot;,&quot;http_code&quot;:404}],&quot;broken&quot;:false,&quot;last_checked&quot;:{&quot;date&quot;:&quot;2026-06-07 13:28:25&quot;,&quot;http_code&quot;:404},&quot;process&quot;:&quot;done&quot;}]'><\/div>\n<h2>1. Objective<\/h2>\n<p>This Tutorial on the limitations of RDD in <a href=\"http:\/\/data-flair.training\/blogs\/apache-spark-tutorial-quickstart-introduction\/\">Apache Spark<\/a>, walk you through the Introduction to RDD in Spark, what is the need of DataFrame and Dataset in Spark, when to use DataFrame and when to use DataSet in Apache Spark. To get the answer to these questions we will discuss various <a href=\"http:\/\/data-flair.training\/blogs\/limitations-of-apache-spark-overcome-spark-drawbacks\/\">limitations of Apache Spark<\/a> RDD and How we can use DataFrame and Dataset to overcome the Disadvantages of Spark RDD.<\/p>\n<div id=\"attachment_43057\" style=\"width: 1210px\" class=\"wp-caption aligncenter\"><a href=\"https:\/\/data-flair.training\/blogs\/wp-content\/uploads\/sites\/2\/2017\/05\/limitations-of-rdd-768x402-1.jpg\"><img loading=\"lazy\" decoding=\"async\" aria-describedby=\"caption-attachment-43057\" class=\"size-full wp-image-43057\" src=\"https:\/\/data-flair.training\/blogs\/wp-content\/uploads\/sites\/2\/2017\/05\/limitations-of-rdd-768x402-1.jpg\" alt=\"How to Overcome the Limitations of RDD in Apache Spark?\" width=\"1200\" height=\"628\" srcset=\"https:\/\/data-flair.training\/blogs\/wp-content\/uploads\/sites\/2\/2017\/05\/limitations-of-rdd-768x402-1.jpg 1200w, https:\/\/data-flair.training\/blogs\/wp-content\/uploads\/sites\/2\/2017\/05\/limitations-of-rdd-768x402-1-150x79.jpg 150w, https:\/\/data-flair.training\/blogs\/wp-content\/uploads\/sites\/2\/2017\/05\/limitations-of-rdd-768x402-1-300x157.jpg 300w, https:\/\/data-flair.training\/blogs\/wp-content\/uploads\/sites\/2\/2017\/05\/limitations-of-rdd-768x402-1-768x402.jpg 768w, https:\/\/data-flair.training\/blogs\/wp-content\/uploads\/sites\/2\/2017\/05\/limitations-of-rdd-768x402-1-1024x536.jpg 1024w, https:\/\/data-flair.training\/blogs\/wp-content\/uploads\/sites\/2\/2017\/05\/limitations-of-rdd-768x402-1-520x272.jpg 520w\" sizes=\"auto, (max-width: 1200px) 100vw, 1200px\" \/><\/a><p id=\"caption-attachment-43057\" class=\"wp-caption-text\">How to Overcome the Limitations of RDD in Apache Spark?<\/p><\/div>\n<h2>2. What is RDD in Apache Spark?<\/h2>\n<p>Before going to the disadvantages of RDD, let&#8217;s have a brief <a href=\"http:\/\/data-flair.training\/blogs\/rdd-in-apache-spark\/\">introduction to Spark\u00a0RDD<\/a>.<br \/>\n<strong>RDD<\/strong> is the fundamental data structure of<strong>\u00a0Apache Spark<\/strong>. RDD is Read-only partition collection of records. It can only be created through deterministic operation on either: Data in stable storage, other RDDs, and parallelizing already existing collection in driver program(Follow this guide to <a href=\"http:\/\/data-flair.training\/blogs\/how-to-create-rdds-in-apache-spark\/\">learn the ways to create RDD in Spark<\/a>). RDD is an immutable distributed collection of data, partitioned across nodes in the cluster that can be operated in parallel with a low-level API that offers\u00a0<a href=\"http:\/\/data-flair.training\/blogs\/rdd-transformations-actions-apis-apache-spark\/\">transformations\u00a0and actions<\/a>.<\/p>\n<h2><span style=\"font-family: Georgia, Georgia, serif;font-weight: inherit\">3. What are the Limitations of RDD in Apache Spark?<\/span><\/h2>\n<p>In this Section of Spark tutorial, we will discuss the problems related to RDDs in Apache Spark along with their solution.<\/p>\n<h3>i. No input optimization engine<\/h3>\n<p>There is no provision in RDD for automatic optimization. It cannot make use of Spark advance optimizers like <strong><a href=\"http:\/\/data-flair.training\/blogs\/spark-sql-optimization-catalyst-optimizer\/\">catalyst optimizer<\/a><\/strong> and <strong>Tungsten execution engine<\/strong>. We can optimize each RDD manually.<br \/>\nThis limitation is overcome in <strong>Dataset<\/strong> and <a href=\"http:\/\/data-flair.training\/blogs\/apache-spark-dataframe-tutorial\/\"><strong>DataFrame<\/strong><\/a>, both make use of Catalyst to generate optimized logical and physical query plan. We can use same code optimizer for\u00a0<a href=\"http:\/\/data-flair.training\/blogs\/r-programming-tutorial\/\">R<\/a>, Java, <a href=\"http:\/\/data-flair.training\/blogs\/why-you-should-learn-scala-introductory-tutorial\/\">Scala<\/a>, or Python DataFrame\/Dataset APIs. It provides space and speed efficiency.<\/p>\n<h3>ii. Runtime type safety<\/h3>\n<p>There is no <strong>Static typing<\/strong> and <strong>run-time type safety<\/strong> in RDD. It does not allow us to check error at the runtime.<br \/>\nDataset provides <strong>compile-time type safety<\/strong> to build complex data workflows. Compile-time type safety means if you try to add any other type of element to this list, it will give you compile time error. It helps detect errors at compile time and makes your code safe.<\/p>\n<h3>iii. Degrade when not enough memory<\/h3>\n<p>The RDD degrades when there is not enough memory to store RDD<strong> <a href=\"http:\/\/data-flair.training\/blogs\/apache-spark-in-memory-computing\/\">in-memory<\/a><\/strong> or on disk. There comes storage issue when there is a lack of memory to store RDD. The partitions that overflow from RAM can be stored on disk and will provide the same level of performance. By increasing the size of RAM and disk it is possible to overcome this issue.<\/p>\n<h3>iv. Performance limitation &amp; Overhead of serialization &amp; garbage collection<\/h3>\n<p>Since the RDD are in-memory JVM object, it involves the overhead of <strong>Garbage Collection<\/strong> and <strong>Java serialization<\/strong> this is expensive when the data grows.<br \/>\nSince the cost of garbage collection is proportional to the number of Java objects. Using data structures with fewer objects will lower the cost. Or we can persist the object in serialized form.<\/p>\n<h3>v. Handling structured data<\/h3>\n<p>RDD does not provide schema view of data. It has no provision for handling structured data.<br \/>\nDataset and DataFrame provide the Schema view of data. It is a distributed collection of data organized into named columns.<\/p>\n<p>So, this was all in limitations of RDD in Apache Spark. Hope you like our explanation.<\/p>\n<h2>4. Conclusion<\/h2>\n<p>As a result of RDD&#8217;s limitations, the need of DataFrame and Dataset emerged. Thus made the system more friendly to play with a large volume of data.<br \/>\nIf you are willing to work with Spark 1.6.0 then the DataFrame API is the most stable option available and offers the best performance. However, the Dataset API is very promising and provides a more natural way to code.<br \/>\nIf you like this post and think that I have missed some limitations of RDD in Apache Spark, So, please leave a comment in the comment box.<br \/>\n<strong>See Also-\u00a0<\/strong><\/p>\n<ul>\n<li><a href=\"http:\/\/data-flair.training\/blogs\/apache-spark-features\/\">Features of Apache Spark.<\/a><\/li>\n<li><a href=\"http:\/\/data-flair.training\/blogs\/apache-spark-rdd-vs-dataframe-vs-dataset\/\">Comparison between Apache Spark RDD vs DataFrame vs DataSet.<\/a><\/li>\n<\/ul>\n<p><strong><a href=\"https:\/\/en.wikipedia.org\/wiki\/Apache_Spark\">Reference for Spark<\/a><\/strong><\/p>\n","protected":false},"excerpt":{"rendered":"<p>1. Objective This Tutorial on the limitations of RDD in Apache Spark, walk you through the Introduction to RDD in Spark, what is the need of DataFrame and Dataset in Spark, when to use&#46;&#46;&#46;<\/p>\n","protected":false},"author":6,"featured_media":43057,"comment_status":"open","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[10],"tags":[944,3963,8266,11344],"class_list":["post-2629","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-spark","tag-apache-spark-rdd-limitations","tag-disadvantages-of-spark-rdd","tag-limitations-of-rdd-in-apache-spark","tag-rdd-limitations-in-spark"],"yoast_head":"<!-- This site is optimized with the Yoast SEO plugin v27.4 - https:\/\/yoast.com\/product\/yoast-seo-wordpress\/ -->\n<title>How to Overcome the Limitations of RDD in Apache Spark? - DataFlair<\/title>\n<meta name=\"description\" content=\"Learn RDD introduction, Limitations of RDD in Apache Spark, Need of DataFrame &amp; Dataset, how Spark DataFrame &amp; Dataset overcomes the disadvantages of RDD.\" \/>\n<meta name=\"robots\" content=\"index, follow, max-snippet:-1, max-image-preview:large, max-video-preview:-1\" \/>\n<link rel=\"canonical\" href=\"https:\/\/data-flair.training\/blogs\/apache-spark-rdd-limitations\/\" \/>\n<meta property=\"og:locale\" content=\"en_US\" \/>\n<meta property=\"og:type\" content=\"article\" \/>\n<meta property=\"og:title\" content=\"How to Overcome the Limitations of RDD in Apache Spark? 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