{"id":621,"date":"2023-09-09T06:23:09","date_gmt":"2023-09-09T06:23:09","guid":{"rendered":"https:\/\/softwaretestingstuff.com\/?p=621"},"modified":"2023-09-10T11:16:08","modified_gmt":"2023-09-10T11:16:08","slug":"how-to-correlate-a-winsock-script-in-loadrunner","status":"publish","type":"post","link":"https:\/\/www.softwaretestingstuff.com\/2009\/10\/how-to-correlate-winsock-script-in.html","title":{"rendered":"Correlation In LoadRunner: A Comprehensive Guide"},"content":{"rendered":"\t\t<div data-elementor-type=\"wp-post\" data-elementor-id=\"621\" class=\"elementor elementor-621\" data-elementor-post-type=\"post\">\n\t\t\t\t\t\t<section data-particle_enable=\"false\" data-particle-mobile-disabled=\"false\" class=\"elementor-section elementor-top-section elementor-element elementor-element-632d4a8 elementor-section-boxed elementor-section-height-default elementor-section-height-default\" data-id=\"632d4a8\" data-element_type=\"section\">\n\t\t\t\t\t\t<div class=\"elementor-container elementor-column-gap-default\">\n\t\t\t\t\t<div class=\"elementor-column elementor-col-25 elementor-top-column elementor-element elementor-element-225db25\" data-id=\"225db25\" data-element_type=\"column\">\n\t\t\t<div class=\"elementor-widget-wrap\">\n\t\t\t\t\t\t\t<\/div>\n\t\t<\/div>\n\t\t\t\t<div class=\"elementor-column elementor-col-50 elementor-top-column elementor-element elementor-element-53fdc22\" data-id=\"53fdc22\" data-element_type=\"column\">\n\t\t\t<div class=\"elementor-widget-wrap elementor-element-populated\">\n\t\t\t\t\t\t<div class=\"elementor-element elementor-element-c03ab56 elementor-widget elementor-widget-heading\" data-id=\"c03ab56\" data-element_type=\"widget\" data-widget_type=\"heading.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t<h1 id=\"boomdevs_1\" class=\"elementor-heading-title elementor-size-xl\">Correlation In LoadRunner: A Comprehensive Guide\n<\/h1>\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-f77aaac elementor-widget elementor-widget-image\" data-id=\"f77aaac\" data-element_type=\"widget\" data-widget_type=\"image.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t<img fetchpriority=\"high\" decoding=\"async\" width=\"750\" height=\"450\" src=\"https:\/\/www.softwaretestingstuff.com\/wp-content\/uploads\/2023\/07\/Copy-of-Copy-of-tempate01-1.png\" class=\"attachment-large size-large wp-image-9716\" alt=\"Correlation In LoadRunner\" srcset=\"https:\/\/www.softwaretestingstuff.com\/wp-content\/uploads\/2023\/07\/Copy-of-Copy-of-tempate01-1.png 750w, https:\/\/www.softwaretestingstuff.com\/wp-content\/uploads\/2023\/07\/Copy-of-Copy-of-tempate01-1-300x180.png 300w\" sizes=\"(max-width: 750px) 100vw, 750px\" \/>\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-8f8adea elementor-widget elementor-widget-post-info\" data-id=\"8f8adea\" data-element_type=\"widget\" data-widget_type=\"post-info.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t\t\t<ul class=\"elementor-inline-items elementor-icon-list-items elementor-post-info\">\n\t\t\t\t\t\t\t\t<li class=\"elementor-icon-list-item elementor-repeater-item-e39f711 elementor-inline-item\" itemprop=\"author\">\n\t\t\t\t\t\t<a href=\"https:\/\/www.softwaretestingstuff.com\/author\/tanvirsoftwaretestingstuff-com\/\">\n\t\t\t\t\t\t\t\t\t\t\t<span class=\"elementor-icon-list-icon\">\n\t\t\t\t\t\t\t\t<i aria-hidden=\"true\" class=\"far fa-user-circle\"><\/i>\t\t\t\t\t\t\t<\/span>\n\t\t\t\t\t\t\t\t\t<span class=\"elementor-icon-list-text elementor-post-info__item elementor-post-info__item--type-author\">\n\t\t\t\t\t\t\t\t\t\tRahnuma Tasnim\t\t\t\t\t<\/span>\n\t\t\t\t\t\t\t\t\t<\/a>\n\t\t\t\t<\/li>\n\t\t\t\t<li class=\"elementor-icon-list-item elementor-repeater-item-68251c0 elementor-inline-item\" itemprop=\"datePublished\">\n\t\t\t\t\t\t<a href=\"https:\/\/www.softwaretestingstuff.com\/2023\/09\/09\/\">\n\t\t\t\t\t\t\t\t\t\t\t<span class=\"elementor-icon-list-icon\">\n\t\t\t\t\t\t\t\t<i aria-hidden=\"true\" class=\"fas fa-calendar\"><\/i>\t\t\t\t\t\t\t<\/span>\n\t\t\t\t\t\t\t\t\t<span class=\"elementor-icon-list-text elementor-post-info__item elementor-post-info__item--type-date\">\n\t\t\t\t\t\t\t\t\t\t<time>September 9, 2023<\/time>\t\t\t\t\t<\/span>\n\t\t\t\t\t\t\t\t\t<\/a>\n\t\t\t\t<\/li>\n\t\t\t\t<\/ul>\n\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-ebf2e65 elementor-widget elementor-widget-text-editor\" data-id=\"ebf2e65\" data-element_type=\"widget\" data-widget_type=\"text-editor.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t\t\t\t\t<p><span style=\"font-weight: 400;\">In performance testing, LoadRunner is a name that resonates with many. Among its many features, one that stands out is Correlation. But what exactly is Correlation in LoadRunner? How does it work, and why is it so important?<\/span><\/p><p><span style=\"font-weight: 400;\">Correlation in LoadRunner is a critical process that ensures the smooth execution of scripts during load testing. It handles the dynamic nature of client-server communication, making scripts more robust and reliable.\u00a0<\/span><\/p><p><span style=\"font-weight: 400;\">In this article we will discuss more. So keep reading!<\/span><\/p>\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-b6c7f50 elementor-widget elementor-widget-heading\" data-id=\"b6c7f50\" data-element_type=\"widget\" data-widget_type=\"heading.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t<h2 id=\"boomdevs_2\" class=\"elementor-heading-title elementor-size-default\">What Is Correlation In LoadRunner?\n<\/h2>\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-1649eaa elementor-widget elementor-widget-text-editor\" data-id=\"1649eaa\" data-element_type=\"widget\" data-widget_type=\"text-editor.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t\t\t\t\t<p><\/p><p><span style=\"font-weight: 400;\">In the realm of LoadRunner, a widely used performance testing tool, Correlation holds a significant place. It&#8217;s a technique that establishes a relationship between two variables or entities within the testing environment.<\/span><\/p><p><span style=\"font-weight: 400;\">Correlation is all about dealing with dynamic values, which the server generates and passes to the client during a session. These values, often unique to each session, can include session IDs, transaction IDs, or any other data the server creates on the fly.<\/span><\/p><p><span style=\"font-weight: 400;\">The Correlation process in LoadRunner captures these dynamic values from the server&#8217;s responses. Once captured, these values are then inserted back into subsequent requests from the client to the server.<\/span><\/p><p><span style=\"font-weight: 400;\">This process is vital because the server often requires these dynamic values to maintain a consistent session or transaction. Without Correlation, a script might fail during load testing.<\/span><\/p><p><span style=\"font-weight: 400;\">This is because the script, recorded with a specific set of dynamic values, might not work with a new set of values in a different session. Correlation solves this problem by capturing the new dynamic values in real time and using them in the script.<\/span><\/p><p><\/p>\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-9d31ceb elementor-widget elementor-widget-image\" data-id=\"9d31ceb\" data-element_type=\"widget\" data-widget_type=\"image.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t<img decoding=\"async\" width=\"650\" height=\"350\" src=\"https:\/\/www.softwaretestingstuff.com\/wp-content\/uploads\/2023\/07\/Copy-of-Professional-5-Steps-Digital-Marketing-Strategy-Map-Graph-650-\u00d7-350-px-1.png\" class=\"attachment-large size-large wp-image-9714\" alt=\"\" srcset=\"https:\/\/www.softwaretestingstuff.com\/wp-content\/uploads\/2023\/07\/Copy-of-Professional-5-Steps-Digital-Marketing-Strategy-Map-Graph-650-\u00d7-350-px-1.png 650w, https:\/\/www.softwaretestingstuff.com\/wp-content\/uploads\/2023\/07\/Copy-of-Professional-5-Steps-Digital-Marketing-Strategy-Map-Graph-650-\u00d7-350-px-1-300x162.png 300w\" sizes=\"(max-width: 650px) 100vw, 650px\" \/>\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-5854955 elementor-widget elementor-widget-heading\" data-id=\"5854955\" data-element_type=\"widget\" data-widget_type=\"heading.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t<h2 id=\"boomdevs_3\" class=\"elementor-heading-title elementor-size-default\">Types Of Correlation In LoadRunner\n<\/h2>\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-8051c2d elementor-widget elementor-widget-text-editor\" data-id=\"8051c2d\" data-element_type=\"widget\" data-widget_type=\"text-editor.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t\t\t\t\t<p><span style=\"font-weight: 400;\">In the context of LoadRunner, a widely-used performance testing tool, Correlation is a critical process that deals with dynamic values in client-server communication.<\/span><\/p><p><span style=\"font-weight: 400;\">Broadly, there are two types of Correlation in LoadRunner &#8211; <\/span><a href=\"https:\/\/admhelp.microfocus.com\/vugen\/en\/2022-2022-r2\/help\/WebHelp\/Content\/VuGen\/Correlation\/AutomaticCorrelation.htm\"><span style=\"font-weight: 400;\">Automatic Correlation<\/span><\/a><span style=\"font-weight: 400;\"> and <\/span><a href=\"https:\/\/www.perfmatrix.com\/loadrunner-manual-correlation\/\"><span style=\"font-weight: 400;\">Manual Correlation<\/span><\/a><span style=\"font-weight: 400;\">. Both serve the same purpose of handling dynamic values but differ in their approach and level of control.<\/span><\/p>\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-342eb1d elementor-widget elementor-widget-heading\" data-id=\"342eb1d\" data-element_type=\"widget\" data-widget_type=\"heading.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t<h3 id=\"boomdevs_4\" class=\"elementor-heading-title elementor-size-default\">1. Automatic Correlation\n<\/h3>\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-8670d74 elementor-widget elementor-widget-text-editor\" data-id=\"8670d74\" data-element_type=\"widget\" data-widget_type=\"text-editor.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t\t\t\t\t<p><span style=\"font-weight: 400;\">Automatic Correlation is a feature LoadRunner provides that aims to simplify the correlation process. It&#8217;s designed to automatically detect dynamic values in the server&#8217;s responses and generate correlation rules for them.<\/span><\/p><p><span style=\"font-weight: 400;\">This feature can be a significant time-saver, especially for beginners or those dealing with simple applications. The Automatic Correlation process involves LoadRunner scanning the server&#8217;s responses during the recording and replay of the script.<\/span><\/p><p><span style=\"font-weight: 400;\">It compares the responses and identifies values that change between runs. These changing values are potential dynamic values that need Correlation.<\/span><\/p><p><span style=\"font-weight: 400;\">Once identified, LoadRunner automatically generates correlation rules for these values. These rules instruct the script to capture the dynamic values during the replay and use them in subsequent requests.<\/span><\/p><p><span style=\"font-weight: 400;\">However, Automatic Correlation has its limitations. It may only sometimes be accurate or successful, especially in complex applications with multiple dynamic values.<\/span><\/p><p><span style=\"font-weight: 400;\">Also, it is less flexible as it only allows a little control over the correlation process. It&#8217;s estimated that Automatic Correlation is successful in only a small percentage of cases.<\/span><\/p>\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-549d093 elementor-widget elementor-widget-heading\" data-id=\"549d093\" data-element_type=\"widget\" data-widget_type=\"heading.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t<h3 id=\"boomdevs_5\" class=\"elementor-heading-title elementor-size-default\">2. Manual Correlation\n<\/h3>\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-18c3cf5 elementor-widget elementor-widget-text-editor\" data-id=\"18c3cf5\" data-element_type=\"widget\" data-widget_type=\"text-editor.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t\t\t\t\t<p><span style=\"font-weight: 400;\">Manual Correlation, as the name suggests, involves manually writing correlation rules into your script. It requires a good understanding of the LoadRunner scripting language and the application being tested.<\/span><\/p><p><span style=\"font-weight: 400;\">In Manual Correlation, you must identify the dynamic values that need Correlation. This involves carefully analyzing the server&#8217;s responses and the subsequent requests where these values are used.<\/span><\/p><p><span style=\"font-weight: 400;\">Once identified, you write correlation functions into your script to capture these values and replace them in subsequent requests. Manual Correlation offers a higher level of control and accuracy compared to Automatic Correlation.<\/span><\/p><p><span style=\"font-weight: 400;\">However, <\/span><a href=\"https:\/\/www.perfmatrix.com\/loadrunner-manual-correlation\/\"><span style=\"font-weight: 400;\">Manual Correlation<\/span><\/a><span style=\"font-weight: 400;\"> can be time-consuming and requires more expertise. Experienced testers often prefer it when Automatic Correlation fails or is inaccurate enough.<\/span><\/p>\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-a6d68da elementor-widget elementor-widget-image\" data-id=\"a6d68da\" data-element_type=\"widget\" data-widget_type=\"image.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t<img decoding=\"async\" width=\"650\" height=\"350\" src=\"https:\/\/www.softwaretestingstuff.com\/wp-content\/uploads\/2023\/07\/Copy-of-Learn-3-1.png\" class=\"attachment-large size-large wp-image-9710\" alt=\"Why Do We Need Correlation\" srcset=\"https:\/\/www.softwaretestingstuff.com\/wp-content\/uploads\/2023\/07\/Copy-of-Learn-3-1.png 650w, https:\/\/www.softwaretestingstuff.com\/wp-content\/uploads\/2023\/07\/Copy-of-Learn-3-1-300x162.png 300w\" sizes=\"(max-width: 650px) 100vw, 650px\" \/>\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-a399d19 elementor-widget elementor-widget-heading\" data-id=\"a399d19\" data-element_type=\"widget\" data-widget_type=\"heading.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t<h2 id='why-do-we-need-correlation'  id=\"boomdevs_6\" class=\"elementor-heading-title elementor-size-default\" >Why Do We Need Correlation?<\/h2>\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-2ca626f elementor-widget elementor-widget-text-editor\" data-id=\"2ca626f\" data-element_type=\"widget\" data-widget_type=\"text-editor.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t\t\t\t\t<p><span style=\"font-weight: 400;\">Correlation in LoadRunner is not just a feature; it&#8217;s a necessity. Here are some reasons why we need Correlation:<\/span><\/p>\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-89ce21b elementor-widget elementor-widget-heading\" data-id=\"89ce21b\" data-element_type=\"widget\" data-widget_type=\"heading.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t<h3 id=\"boomdevs_7\" class=\"elementor-heading-title elementor-size-default\">1. Handling Dynamic Values\n<\/h3>\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-77c0c41 elementor-widget elementor-widget-text-editor\" data-id=\"77c0c41\" data-element_type=\"widget\" data-widget_type=\"text-editor.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t\t\t\t\t<p><span style=\"font-weight: 400;\">We primarily need Correlation to handle dynamic values. These are values that the server generates and sends to the client during a session. They are unique to each session and can include session IDs, transaction IDs, or any other data the server creates on the fly.<\/span><\/p><p><span style=\"font-weight: 400;\">These dynamic values can&#8217;t be predicted beforehand. And thus, they need to be captured in real-time during the script execution.<\/span><\/p>\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-66102c7 elementor-widget elementor-widget-heading\" data-id=\"66102c7\" data-element_type=\"widget\" data-widget_type=\"heading.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t<h3 id=\"boomdevs_8\" class=\"elementor-heading-title elementor-size-default\">2. Maintaining Session Consistency\n<\/h3>\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-8e0704f elementor-widget elementor-widget-text-editor\" data-id=\"8e0704f\" data-element_type=\"widget\" data-widget_type=\"text-editor.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t\t\t\t\t<p><span style=\"font-weight: 400;\">Many web applications maintain a session between the client and the server to track the user&#8217;s activities. The server often uses dynamic values, such as session IDs, to maintain this session consistency.<\/span><\/p><p><span style=\"font-weight: 400;\">Without <\/span><a href=\"https:\/\/en.wikipedia.org\/wiki\/Correlation\"><span style=\"font-weight: 400;\">Correlation<\/span><\/a><span style=\"font-weight: 400;\">, the script would fail when encountering these dynamic values, leading to session inconsistency and script failure<\/span><\/p>\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-ef5bd7b elementor-widget elementor-widget-heading\" data-id=\"ef5bd7b\" data-element_type=\"widget\" data-widget_type=\"heading.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t<h3 id=\"boomdevs_9\" class=\"elementor-heading-title elementor-size-default\">3. Ensuring Script Reliability\n<\/h3>\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-8e9f195 elementor-widget elementor-widget-text-editor\" data-id=\"8e9f195\" data-element_type=\"widget\" data-widget_type=\"text-editor.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t\t\t\t\t<p><span style=\"font-weight: 400;\">Correlation increases the reliability of the script. Handling dynamic values ensures that the script can successfully execute in different sessions, even when the dynamic values change.<\/span><\/p><p><span style=\"font-weight: 400;\">This makes the script more robust and reliable, increasing the accuracy of the load testing results.<\/span><\/p>\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-d4bab50 elementor-widget elementor-widget-heading\" data-id=\"d4bab50\" data-element_type=\"widget\" data-widget_type=\"heading.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t<h3 id=\"boomdevs_10\" class=\"elementor-heading-title elementor-size-default\">4. Supporting Complex Scenarios\n<\/h3>\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-de4259f elementor-widget elementor-widget-text-editor\" data-id=\"de4259f\" data-element_type=\"widget\" data-widget_type=\"text-editor.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t\t\t\t\t<p><span style=\"font-weight: 400;\">Many modern web applications involve complex client-server interactions with multiple dynamic values. Correlation supports these complex scenarios by capturing and handling all the necessary dynamic values.<\/span><\/p><p><span style=\"font-weight: 400;\">Without Correlation, testing these complex applications would be challenging, if not impossible.<\/span><\/p>\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-59aab69 elementor-widget elementor-widget-heading\" data-id=\"59aab69\" data-element_type=\"widget\" data-widget_type=\"heading.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t<h3 id=\"boomdevs_11\" class=\"elementor-heading-title elementor-size-default\">5. Improving Test Coverage\n<\/h3>\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-0ce44f2 elementor-widget elementor-widget-text-editor\" data-id=\"0ce44f2\" data-element_type=\"widget\" data-widget_type=\"text-editor.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t\t\t\t\t<p><span style=\"font-weight: 400;\">Correlation improves the test coverage. It ensures the script can handle all possible dynamic values.<\/span><\/p><p><span style=\"font-weight: 400;\">This leads to a more comprehensive testing process, covering all aspects of the application&#8217;s performance.<\/span><\/p>\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-fd4b788 elementor-widget elementor-widget-heading\" data-id=\"fd4b788\" data-element_type=\"widget\" data-widget_type=\"heading.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t<h3 id=\"boomdevs_12\" class=\"elementor-heading-title elementor-size-default\">6. Reducing Manual Effort\n<\/h3>\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-10a4bb4 elementor-widget elementor-widget-text-editor\" data-id=\"10a4bb4\" data-element_type=\"widget\" data-widget_type=\"text-editor.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t\t\t\t\t<p><span style=\"font-weight: 400;\">While manual Correlation does require some effort, it reduces the overall manual effort in the long run.<\/span><\/p><p><span style=\"font-weight: 400;\">Once the <\/span><a href=\"https:\/\/www.google.com\/search?q=Correlation&amp;client=firefox-b-d&amp;sxsrf=APwXEdfyOAfP7shggEH6wRbjaluXxIdMdQ%3A1687697439142&amp;ei=HziYZN-tCPb34-EP68aB0As&amp;ved=0ahUKEwifueTyut7_AhX2-zgGHWtjALoQ4dUDCA4&amp;uact=5&amp;oq=Correlation&amp;gs_lcp=Cgxnd3Mtd2l6LXNlcnAQAzIKCAAQigUQsQMQQzIKCAAQigUQsQMQQzIHCAAQigUQQzIHCAAQigUQQzIHCAAQigUQQzIHCAAQigUQQzIHCAAQigUQQzIHCAAQigUQQzIHCAAQigUQQzIHCAAQigUQQzoHCCMQ6gIQJzoVCC4QAxCPARDqAhC0AhCMAxDlAhgBOhUIABADEI8BEOoCELQCEIwDEOUCGAFKBAhBGABQ2QhY2Qhg_g1oAXABeACAAbwBiAG8AZIBAzAuMZgBAKABAaABArABFMABAdoBBggBEAEYCw&amp;sclient=gws-wiz-serp\"><span style=\"font-weight: 400;\">correlation<\/span><\/a><span style=\"font-weight: 400;\"> rules are set up, they can handle the dynamic values automatically, saving the tester from manually updating the script for each run.<\/span><\/p>\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-3f16400 elementor-widget elementor-widget-heading\" data-id=\"3f16400\" data-element_type=\"widget\" data-widget_type=\"heading.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t<h3 id=\"boomdevs_13\" class=\"elementor-heading-title elementor-size-default\">7. Increasing Test Efficiency\n<\/h3>\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-ee7c518 elementor-widget elementor-widget-text-editor\" data-id=\"ee7c518\" data-element_type=\"widget\" data-widget_type=\"text-editor.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t\t\t\t\t<p><span style=\"font-weight: 400;\">By handling dynamic values, Correlation increases the efficiency of the load testing process. It ensures the script can run smoothly without interruptions, leading to quicker and more efficient testing.<\/span><\/p><p><span style=\"font-weight: 400;\">Correlation is a crucial aspect of LoadRunner that ensures the smooth execution of scripts by handling dynamic values. It&#8217;s a powerful feature that enhances the reliability, coverage, and efficiency of load testing.<\/span><\/p>\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-0906f10 elementor-widget elementor-widget-heading\" data-id=\"0906f10\" data-element_type=\"widget\" data-widget_type=\"heading.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t<h2 id=\"boomdevs_14\" class=\"elementor-heading-title elementor-size-default\">How To Do Correlation In LoadRunner?\n<\/h2>\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-6a6bca9 elementor-widget elementor-widget-text-editor\" data-id=\"6a6bca9\" data-element_type=\"widget\" data-widget_type=\"text-editor.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t\t\t\t\t<p><a href=\"https:\/\/www.softwaretestingstuff.com\/2009\/10\/how-to-correlate-winsock-script-in.html\"><span style=\"font-weight: 400;\">Correlation in LoadRunner<\/span><\/a><span style=\"font-weight: 400;\"> involves the following steps:<\/span><\/p><ol><li style=\"font-weight: 400;\" aria-level=\"1\"><span style=\"font-weight: 400;\">Identify the dynamic values that need to be correlated.<\/span><\/li><li style=\"font-weight: 400;\" aria-level=\"1\"><span style=\"font-weight: 400;\">Capture these values using LoadRunner&#8217;s correlation functions, such as web_reg_save_param.<\/span><\/li><li style=\"font-weight: 400;\" aria-level=\"1\"><span style=\"font-weight: 400;\">Replace all occurrences of the dynamic value in the script with the captured parameter.<\/span><\/li><li style=\"font-weight: 400;\" aria-level=\"1\"><span style=\"font-weight: 400;\">Verify the changes by running the script again.<\/span><\/li><\/ol>\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-0e08b2d elementor-widget elementor-widget-heading\" data-id=\"0e08b2d\" data-element_type=\"widget\" data-widget_type=\"heading.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t<h2 id=\"boomdevs_15\" class=\"elementor-heading-title elementor-size-default\">Correlation Challenge In LoadRunner\n<\/h2>\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-371bb6a elementor-widget elementor-widget-text-editor\" data-id=\"371bb6a\" data-element_type=\"widget\" data-widget_type=\"text-editor.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t\t\t\t\t<p><span style=\"font-weight: 400;\">Correlation in LoadRunner, while a powerful and essential feature, comes with its own challenges. These challenges can make the correlation process complex and time-consuming.<\/span><\/p><p><span style=\"font-weight: 400;\">Here are some of the common challenges faced while implementing Correlation in LoadRunner:<\/span><\/p>\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-bb2f7ab elementor-widget elementor-widget-heading\" data-id=\"bb2f7ab\" data-element_type=\"widget\" data-widget_type=\"heading.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t<h3 id=\"boomdevs_16\" class=\"elementor-heading-title elementor-size-default\">1. Identifying Dynamic Values\n<\/h3>\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-a68f31f elementor-widget elementor-widget-text-editor\" data-id=\"a68f31f\" data-element_type=\"widget\" data-widget_type=\"text-editor.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t\t\t\t\t<p><span style=\"font-weight: 400;\">One of the primary challenges in Correlation is identifying the dynamic values that need to be correlated.<\/span><\/p><p><span style=\"font-weight: 400;\">These values can be hidden in various parts of the server response and are difficult to spot, especially in complex applications with multiple dynamic values.<\/span><\/p><p><span style=\"font-weight: 400;\">It requires a thorough analysis of the server responses and a good understanding of the application&#8217;s functionality.<\/span><\/p>\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-90a5e9f elementor-widget elementor-widget-heading\" data-id=\"90a5e9f\" data-element_type=\"widget\" data-widget_type=\"heading.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t<h3 id=\"boomdevs_17\" class=\"elementor-heading-title elementor-size-default\">2. Writing Correlation Code\n<\/h3>\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-a7991f8 elementor-widget elementor-widget-text-editor\" data-id=\"a7991f8\" data-element_type=\"widget\" data-widget_type=\"text-editor.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t\t\t\t\t<p><span style=\"font-weight: 400;\">Writing the correlation code manually can be daunting. It is especially challenging for beginners or those unfamiliar with the LoadRunner scripting language.<\/span><\/p><p><span style=\"font-weight: 400;\">It requires a deep understanding of the correlation functions and how to use them effectively.<\/span><\/p>\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-0cf0583 elementor-widget elementor-widget-heading\" data-id=\"0cf0583\" data-element_type=\"widget\" data-widget_type=\"heading.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t<h3 id=\"boomdevs_18\" class=\"elementor-heading-title elementor-size-default\">3. Handling Complex Correlation Scenarios\n<\/h3>\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-38eaba1 elementor-widget elementor-widget-text-editor\" data-id=\"38eaba1\" data-element_type=\"widget\" data-widget_type=\"text-editor.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t\t\t\t\t<p><span style=\"font-weight: 400;\">Some applications involve complex correlation scenarios with multiple dynamic values that must be correlated in a specific order.<\/span><\/p><p><span style=\"font-weight: 400;\">Handling these complex scenarios can be challenging and requires high expertise.<\/span><\/p>\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-6ab1f7a elementor-widget elementor-widget-heading\" data-id=\"6ab1f7a\" data-element_type=\"widget\" data-widget_type=\"heading.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t<h3 id=\"boomdevs_19\" class=\"elementor-heading-title elementor-size-default\">4. Maintaining Correlation Rules\n<\/h3>\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-da9ccde elementor-widget elementor-widget-text-editor\" data-id=\"da9ccde\" data-element_type=\"widget\" data-widget_type=\"text-editor.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t\t\t\t\t<p><span style=\"font-weight: 400;\">Over time, the correlation rules may need to be updated as the application evolves. This task can be challenging, especially in large scripts with many dynamic values.<\/span><\/p><p><span style=\"font-weight: 400;\">Regular maintenance and updates are required to ensure the correlation rules remain valid and effective.<\/span><\/p>\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-ee84472 elementor-widget elementor-widget-heading\" data-id=\"ee84472\" data-element_type=\"widget\" data-widget_type=\"heading.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t<h3 id=\"boomdevs_20\" class=\"elementor-heading-title elementor-size-default\">5. Dealing With Unpredictable Dynamic Values\n<\/h3>\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-6e2244f elementor-widget elementor-widget-text-editor\" data-id=\"6e2244f\" data-element_type=\"widget\" data-widget_type=\"text-editor.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t\t\t\t\t<p><span style=\"font-weight: 400;\">Some dynamic values can be unpredictable and change in difficult ways with Correlation.<\/span><\/p><p><span style=\"font-weight: 400;\">This can pose a significant challenge and require advanced correlation techniques or custom solutions.<\/span><\/p>\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-1ba0d0f elementor-widget elementor-widget-heading\" data-id=\"1ba0d0f\" data-element_type=\"widget\" data-widget_type=\"heading.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t<h3 id=\"boomdevs_21\" class=\"elementor-heading-title elementor-size-default\">6. Performance Overhead\n<\/h3>\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-19ffb58 elementor-widget elementor-widget-text-editor\" data-id=\"19ffb58\" data-element_type=\"widget\" data-widget_type=\"text-editor.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t\t\t\t\t<p><span style=\"font-weight: 400;\">Correlation involves additional processing to capture and replace dynamic values. This can add performance overhead to the script execution, especially in scripts with many correlation rules.<\/span><\/p>\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-be4067a elementor-widget elementor-widget-heading\" data-id=\"be4067a\" data-element_type=\"widget\" data-widget_type=\"heading.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t<h3 id=\"boomdevs_22\" class=\"elementor-heading-title elementor-size-default\">7. Limited Success of Automatic Correlation\n<\/h3>\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-f1549e2 elementor-widget elementor-widget-text-editor\" data-id=\"f1549e2\" data-element_type=\"widget\" data-widget_type=\"text-editor.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t\t\t\t\t<p><span style=\"font-weight: 400;\">Automatic Correlation can save time. It&#8217;s only sometimes successful, especially in complex applications.<\/span><\/p><p><span style=\"font-weight: 400;\">It may not identify all the necessary dynamic values or generate the correct correlation rules. This can lead to complete or correct Correlation, requiring manual intervention.<\/span><\/p>\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-3b1ad40 elementor-widget elementor-widget-heading\" data-id=\"3b1ad40\" data-element_type=\"widget\" data-widget_type=\"heading.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t<h2 id=\"boomdevs_23\" class=\"elementor-heading-title elementor-size-default\">Wrapping up\n<\/h2>\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-9e2f652 elementor-widget elementor-widget-text-editor\" data-id=\"9e2f652\" data-element_type=\"widget\" data-widget_type=\"text-editor.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t\t\t\t\t<p><span style=\"font-weight: 400;\">Correlation in LoadRunner is a critical aspect of performance testing. It ensures the smooth execution of scripts by handling dynamic values that change with each run.<\/span><\/p><p><span style=\"font-weight: 400;\">While it does pose some challenges, understanding how to use Correlation effectively can greatly enhance your LoadRunner testing capabilities.<\/span><\/p>\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-c590146 elementor-widget elementor-widget-heading\" data-id=\"c590146\" data-element_type=\"widget\" data-widget_type=\"heading.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t<h2 id='frequently-asked-questions'  id=\"boomdevs_24\" class=\"elementor-heading-title elementor-size-default\" >Frequently Asked Questions<\/h2>\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-68946ce elementor-widget elementor-widget-heading\" data-id=\"68946ce\" data-element_type=\"widget\" data-widget_type=\"heading.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t<h3 id=\"boomdevs_25\" class=\"elementor-heading-title elementor-size-default\">What is the difference between automatic and manual Correlation in LoadRunner?\n<\/h3>\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-51b601f elementor-widget elementor-widget-text-editor\" data-id=\"51b601f\" data-element_type=\"widget\" data-widget_type=\"text-editor.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t\t\t\t\t<p><span style=\"font-weight: 400;\">Automatic Correlation is a feature provided by LoadRunner that automatically identifies potential dynamic values and generates correlation rules for them.<\/span><\/p><p><span style=\"font-weight: 400;\">On the other hand, manual Correlation involves directly writing code into your script to handle dynamic values. It requires a good understanding of the LoadRunner scripting language and the application being tested.<\/span><\/p>\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-2f7fd62 elementor-widget elementor-widget-heading\" data-id=\"2f7fd62\" data-element_type=\"widget\" data-widget_type=\"heading.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t<h3 id=\"boomdevs_26\" class=\"elementor-heading-title elementor-size-default\">How does Correlation contribute to the success of a LoadRunner script?\n<\/h3>\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-37a1f49 elementor-widget elementor-widget-text-editor\" data-id=\"37a1f49\" data-element_type=\"widget\" data-widget_type=\"text-editor.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t\t\t\t\t<p><span style=\"font-weight: 400;\">Correlation plays a crucial role in the success of a LoadRunner script. It handles dynamic values that change with each run of the script.<\/span><\/p><p><span style=\"font-weight: 400;\">These values, such as session IDs or server timestamps, are generated by the server and can&#8217;t be predicted.<\/span><\/p>\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-65c8dcf elementor-widget elementor-widget-heading\" data-id=\"65c8dcf\" data-element_type=\"widget\" data-widget_type=\"heading.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t<h3 id=\"boomdevs_27\" class=\"elementor-heading-title elementor-size-default\">What are some common challenges faced while implementing Correlation in LoadRunner?\n<\/h3>\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-99ebe59 elementor-widget elementor-widget-text-editor\" data-id=\"99ebe59\" data-element_type=\"widget\" data-widget_type=\"text-editor.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t\t\t\t\t<p><span style=\"font-weight: 400;\">Implementing Correlation in LoadRunner can pose several challenges:<\/span><\/p><ol><li style=\"font-weight: 400;\" aria-level=\"1\"><b>Identifying Dynamic Values<\/b><span style=\"font-weight: 400;\">: One of the main challenges is identifying the dynamic values that need to be correlated.<\/span><\/li><li style=\"font-weight: 400;\" aria-level=\"1\"><b>Writing Correlation Code<\/b><span style=\"font-weight: 400;\">: Manual correlation code requires a good understanding of the LoadRunner scripting language.<\/span><\/li><li style=\"font-weight: 400;\" aria-level=\"1\"><b style=\"font-style: inherit;\">Maintaining Correlation Rules<\/b><span style=\"font-weight: 400;\">: Over time, the correlation rules may need to be updated as the application evolves.<\/span><\/li><\/ol>\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t\t<\/div>\n\t\t<\/div>\n\t\t\t\t<div class=\"elementor-column elementor-col-25 elementor-top-column elementor-element elementor-element-d1b470c\" data-id=\"d1b470c\" data-element_type=\"column\">\n\t\t\t<div class=\"elementor-widget-wrap\">\n\t\t\t\t\t\t\t<\/div>\n\t\t<\/div>\n\t\t\t\t\t<\/div>\n\t\t<\/section>\n\t\t\t\t<\/div>\n\t\t","protected":false},"excerpt":{"rendered":"<p>Correlation In LoadRunner: A Comprehensive Guide In performance testing, LoadRunner is a name that resonates with many. Among its many features, one that stands out is Correlation. But what exactly is Correlation in LoadRunner? How does it work, and why is it so important? Correlation in LoadRunner is a critical process that ensures the smooth [&hellip;]<\/p>\n","protected":false},"author":1,"featured_media":9720,"comment_status":"open","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":{"site-sidebar-layout":"default","site-content-layout":"","ast-site-content-layout":"","site-content-style":"default","site-sidebar-style":"default","ast-global-header-display":"","ast-banner-title-visibility":"","ast-main-header-display":"","ast-hfb-above-header-display":"","ast-hfb-below-header-display":"","ast-hfb-mobile-header-display":"","site-post-title":"disabled","ast-breadcrumbs-content":"","ast-featured-img":"disabled","footer-sml-layout":"","theme-transparent-header-meta":"","adv-header-id-meta":"","stick-header-meta":"","header-above-stick-meta":"","header-main-stick-meta":"","header-below-stick-meta":"","astra-migrate-meta-layouts":"default","ast-page-background-enabled":"default","ast-page-background-meta":{"desktop":{"background-color":"var(--ast-global-color-4)","background-image":"","background-repeat":"repeat","background-position":"center center","background-size":"auto","background-attachment":"scroll","background-type":"","background-media":"","overlay-type":"","overlay-color":"","overlay-opacity":"","overlay-gradient":""},"tablet":{"background-color":"","background-image":"","background-repeat":"repeat","background-position":"center center","background-size":"auto","background-attachment":"scroll","background-type":"","background-media":"","overlay-type":"","overlay-color":"","overlay-opacity":"","overlay-gradient":""},"mobile":{"background-color":"","background-image":"","background-repeat":"repeat","background-position":"center center","background-size":"auto","background-attachment":"scroll","background-type":"","background-media":"","overlay-type":"","overlay-color":"","overlay-opacity":"","overlay-gradient":""}},"ast-content-background-meta":{"desktop":{"background-color":"var(--ast-global-color-5)","background-image":"","background-repeat":"repeat","background-position":"center center","background-size":"auto","background-attachment":"scroll","background-type":"","background-media":"","overlay-type":"","overlay-color":"","overlay-opacity":"","overlay-gradient":""},"tablet":{"background-color":"var(--ast-global-color-5)","background-image":"","background-repeat":"repeat","background-position":"center center","background-size":"auto","background-attachment":"scroll","background-type":"","background-media":"","overlay-type":"","overlay-color":"","overlay-opacity":"","overlay-gradient":""},"mobile":{"background-color":"var(--ast-global-color-5)","background-image":"","background-repeat":"repeat","background-position":"center center","background-size":"auto","background-attachment":"scroll","background-type":"","background-media":"","overlay-type":"","overlay-color":"","overlay-opacity":"","overlay-gradient":""}},"footnotes":""},"categories":[17],"tags":[],"table_tags":[],"class_list":["post-621","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-tutorials"],"yoast_head":"<!-- This site is optimized with the Yoast SEO plugin v24.3 - https:\/\/yoast.com\/wordpress\/plugins\/seo\/ -->\n<title>Correlation In LoadRunner: A Comprehensive Guide - Software Testing Stuff<\/title>\n<meta name=\"description\" content=\"Want to supercharge your LoadRunner skills? 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