{"id":2820,"date":"2025-02-27T12:01:13","date_gmt":"2025-02-27T10:01:13","guid":{"rendered":"https:\/\/www.puurdata.nl\/?p=2820"},"modified":"2025-07-17T09:37:47","modified_gmt":"2025-07-17T07:37:47","slug":"alerting-vs-watcher","status":"publish","type":"post","link":"https:\/\/puurdata.nl\/uk\/alerting-vs-watcher\/","title":{"rendered":"Alerting vs Watcher: choose the right ELK tool for monitoring and insights"},"content":{"rendered":"<div id=\"fws_6a5fda3011380\"  data-column-margin=\"default\" data-midnight=\"dark\"  class=\"wpb_row vc_row-fluid vc_row full-width-section headerBox\"  style=\"padding-top: 0px; padding-bottom: 0px; \"><div class=\"row-bg-wrap\" data-bg-animation=\"none\" data-bg-animation-delay=\"\" data-bg-overlay=\"false\"><div class=\"inner-wrap row-bg-layer using-image\" ><div class=\"row-bg viewport-desktop using-image\"  style=\"background-image: url(https:\/\/puurdata.nl\/wp-content\/uploads\/2019\/07\/header.png); background-position: center bottom; background-repeat: no-repeat; \"><\/div><\/div><\/div><div class=\"row_col_wrap_12 col span_12 dark left\">\n\t<div  class=\"vc_col-sm-12 wpb_column column_container vc_column_container col no-extra-padding\"  data-padding-pos=\"all\" data-has-bg-color=\"false\" data-bg-color=\"\" data-bg-opacity=\"1\" data-animation=\"\" data-delay=\"0\" >\n\t\t<div class=\"vc_column-inner\" >\n\t\t\t<div class=\"wpb_wrapper\">\n\t\t\t\t<div id=\"fws_6a5fda3011a44\" data-midnight=\"\" data-column-margin=\"default\" class=\"wpb_row vc_row-fluid vc_row inner_row vc_row-o-equal-height vc_row-flex vc_row-o-content-middle\"  style=\"padding-top: 10%; padding-bottom: 20%; \"><div class=\"row-bg-wrap\"> <div class=\"row-bg\" ><\/div> <\/div><div class=\"row_col_wrap_12_inner col span_12  left\">\n\t<div  class=\"vc_col-sm-8 wpb_column column_container vc_column_container col child_column padding-2-percent\"   data-padding-pos=\"right\" data-has-bg-color=\"false\" data-bg-color=\"\" data-bg-opacity=\"1\" data-animation=\"\" data-delay=\"0\" >\n\t\t<div class=\"vc_column-inner\" >\n\t\t<div class=\"wpb_wrapper\">\n\t\t\t<h1 style=\"text-align: left\" class=\"vc_custom_heading vc_do_custom_heading headerText\" >Alerting vs Watcher<\/h1>\n<div class=\"wpb_text_column wpb_content_element  headerText\" >\n\t<div class=\"wpb_wrapper\">\n\t\t<p data-pm-slice=\"1 1 &#091;&#093;\">Choose the right ELK tool for monitoring and insights.<\/p>\n\t<\/div>\n<\/div>\n\n\n\n\n\t\t<\/div> \n\t<\/div>\n\t<\/div> \n\n\t<div  class=\"vc_col-sm-4 wpb_column column_container vc_column_container col child_column padding-2-percent\"   data-padding-pos=\"left\" data-has-bg-color=\"false\" data-bg-color=\"\" data-bg-opacity=\"1\" data-animation=\"\" data-delay=\"0\" >\n\t\t<div class=\"vc_column-inner\" >\n\t\t<div class=\"wpb_wrapper\">\n\t\t\t\n\t\t<\/div> \n\t<\/div>\n\t<\/div> \n<\/div><\/div>\n\t\t\t<\/div> \n\t\t<\/div>\n\t<\/div> \n<\/div><\/div>\n\t\t<div id=\"fws_6a5fda301268e\"  data-column-margin=\"default\" data-midnight=\"dark\"  class=\"wpb_row vc_row-fluid vc_row\"  style=\"padding-top: 100px; padding-bottom: 100px; \"><div class=\"row-bg-wrap\" data-bg-animation=\"none\" data-bg-animation-delay=\"\" data-bg-overlay=\"false\"><div class=\"inner-wrap row-bg-layer\" ><div class=\"row-bg viewport-desktop\"  style=\"\"><\/div><\/div><\/div><div class=\"row_col_wrap_12 col span_12 dark left\">\n\t<div  class=\"vc_col-sm-8 wpb_column column_container vc_column_container col padding-5-percent\"  data-padding-pos=\"right\" data-has-bg-color=\"false\" data-bg-color=\"\" data-bg-opacity=\"1\" data-animation=\"\" data-delay=\"0\" >\n\t\t<div class=\"vc_column-inner\" >\n\t\t\t<div class=\"wpb_wrapper\">\n\t\t\t\t<div id=\"fws_6a5fda3012b09\" data-midnight=\"\" data-column-margin=\"default\" class=\"wpb_row vc_row-fluid vc_row inner_row\"  style=\"padding-top: 20px; padding-bottom: 20px; \"><div class=\"row-bg-wrap\"> <div class=\"row-bg\" ><\/div> <\/div><div class=\"row_col_wrap_12_inner col span_12  left\">\n\t<div  class=\"vc_col-sm-12 wpb_column column_container vc_column_container col child_column no-extra-padding\"   data-padding-pos=\"all\" data-has-bg-color=\"false\" data-bg-color=\"\" data-bg-opacity=\"1\" data-animation=\"\" data-delay=\"0\" >\n\t\t<div class=\"vc_column-inner\" >\n\t\t<div class=\"wpb_wrapper\">\n\t\t\t\n<div class=\"wpb_text_column wpb_content_element\" >\n\t<div class=\"wpb_wrapper\">\n\t\t<p><em>Door <a href=\"https:\/\/puurdata.nl\/uk\/author\/francesca\/\">Francesca Brzoskowski<\/a>.<\/em><\/p>\n<p><strong>When monitoring and alerting within the Elastic Stack, two features stand out: Alerting and Watcher. Both are designed to automate searches, track data changes, and ensure your system remains efficient and reliable. Whether you're a data engineer, DevOps professional, or an enthusiast of AI and search technology, understanding these tools is essential for keeping systems running smoothly and resolving issues before they escalate.<\/strong><\/p>\n<h3>Automate your search and data analysis<\/h3>\n<p>Effective server monitoring and logging go beyond simply collecting data. It's about detecting anomalies and ensuring system stability in real-time. With Alerting and Watcher, you can:<\/p>\n<p>\ud83d\udd0d <strong>Detecting and responding to critical system changes<\/strong> \u2013 such as an unexpected CPU spike, memory overload, disk I\/O problems, or an application error.<\/p>\n<p>\ud83e\udd16 <strong>Automating log monitoring and anomaly detection<\/strong> \u2013 by setting up notifications for error logs, slow response times, unauthorised access attempts, or abnormal traffic patterns. This ensures optimal security and performance.<\/p>\n<p>\u2699\ufe0f <strong>Streamline incident response<\/strong> \u2013 to automate actions that inform teams, start scripts, or execute remediation processes before minor issues escalate into major outages.<\/p>\n<p>\u2728 <strong>Improving the efficiency of searches and monitoring<\/strong> \u2013 by using automated insights to track KPIs and reduce manual intervention.<\/p>\n<h3>Which tool best suits your situation?<\/h3>\n<p>Two key factors determine whether Alerting or Watcher is the best choice for your monitoring:<\/p>\n<ol>\n<li>The level of automation you need.<\/li>\n<li>The degree of customisation you wish to apply.<\/li>\n<\/ol>\n<p>Let's look at the differences in detail.<\/p>\n<h3>Alerting: ingebouwde assistent voor real-time monitoring<\/h3>\n<p>See Alerting as your always-on assistant. It monitors key performance indicators and alerts you as soon as something requires attention. Integrated into Kibana, Alerting offers a simple, code-free way to set up monitoring rules and actions \u2013 ideal for quick, efficient monitoring.<\/p>\n<h4>Why choose Alerting?<\/h4>\n<p>\u2705 <strong>User-friendly interface<\/strong> Using the Kibana UI, you can easily set up alerts without requiring any programming knowledge.<\/p>\n<p>\u2705 <strong>Pre-set actions<\/strong> \u2013 Send notifications via Slack, Teams, e-mail and other pre-configured connectors in just a few clicks.<\/p>\n<p>\u2705 <strong>Ideal for basic monitoring<\/strong> \u2013 Easily follow changes like CPU peaks, system failures, or search performance without complex configurations.<\/p>\n<p>When the conditions of a rule are met, a notification is triggered. If the rule has an action, it will be executed with the set frequency.<\/p>\n<h4>Practical scenario: Automating anomaly detection<\/h4>\n<p>Imagine that your server\u2019s CPU usage suddenly rises to 95%. Without automatic monitoring, this could go unnoticed and lead to serious performance issues. With Alerting, you can set up a rule to monitor CPU usage. As soon as the threshold of 95% is exceeded, you\u2019ll receive an immediate notification via email or Microsoft Teams, so you can resolve the issue before it affects users.<\/p>\n<h3>Watcher: advanced automation for complex environments<\/h3>\n<p>While Alerting is perfect for quick, intuitive monitoring, Watcher is the solution for users who require in-depth customisation, multi-step automation, and complex alerting workflows. Watcher uses JSON-based scripts, making it ideal for environments that demand detailed monitoring and automated responses.<\/p>\n<p>\ud83d\udca1 You can think of Watcher as the more advanced version of Alerting, with more precision, control, and capabilities for complex scenarios.<\/p>\n<h4>Why choose Watcher?<\/h4>\n<p>\u2705 <strong>Extensive customisability<\/strong> \u2013 Set up detailed conditions and reactions with JSON scripting for fully customised notifications.<\/p>\n<p>\u2705 <strong>Scheduled monitoring<\/strong> \u2013 Define notifications that are triggered at specific times or intervals, for proactive management.<\/p>\n<p>\u2705 <strong>Workflow automation<\/strong> \u2013 Combine multiple rules, inputs, and actions into a comprehensive monitoring workflow.<\/p>\n<p>\u2705 <strong>Accurate control<\/strong> \u2013 Monitor logs, operations and system performance, or perform automatic recovery actions without manual intervention.<\/p>\n<h4>Practical Scenario: Automating Server Monitoring with Watcher<\/h4>\n<p>Imagine you are managing a high-traffic web application where CPU spikes, memory leaks, or slow response times can impact performance. With Watcher, you can:<\/p>\n<p>\ud83d\udccc Monitor combinations of important server statistics, such as CPU usage, memory, and API latency.<\/p>\n<p>A script to execute to restart a hung service or enable extra resources when thresholds are exceeded.<\/p>\n<p>\ud83d\udccc Only alert your team when it's truly necessary, reducing unnecessary notifications and enabling quick intervention.<\/p>\n<h4>Bonus practical scenario: Automating search performance<\/h4>\n<p>Imagine you are monitoring search relevance in a government knowledge base. If search accuracy falls below 80%, Watcher can:<\/p>\n<p>Log relevant search queries for analysis.<\/p>\n<p>Starting a script to retrain the search model and improve accuracy.<\/p>\n<p>Engineers warn to investigate indexing issues.<\/p>\n<h3>Choosing between Alerting and Watcher<\/h3>\n<p>The table below helps in choosing the right tool:<\/p>\n<table style=\"height: 124px;\" border=\"1\" width=\"761\">\n<thead>\n<tr>\n<th style=\"text-align: left;\">Feature<\/th>\n<th style=\"text-align: left;\">Alerting<\/th>\n<th style=\"text-align: left;\">Watcher<\/th>\n<\/tr>\n<\/thead>\n<tbody>\n<tr>\n<td style=\"text-align: left;\">Use case<\/td>\n<td style=\"text-align: left;\">Real-time and basic monitoring<\/td>\n<td style=\"text-align: left;\">Automation and workflows<\/td>\n<\/tr>\n<tr>\n<td style=\"text-align: left;\">Complexity<\/td>\n<td style=\"text-align: left;\">Simple UI, no code needed<\/td>\n<td style=\"text-align: left;\">Requires JSON scripting and integration<\/td>\n<\/tr>\n<tr>\n<td style=\"text-align: left;\">Automation<\/td>\n<td style=\"text-align: left;\">Threshold-based notifications<\/td>\n<td style=\"text-align: left;\">Multiple steps and automated recovery<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n<h3>Final considerations<\/h3>\n<p>Both Alerting and Watcher play a crucial role in monitoring your search infrastructure and system performance.<\/p>\n<p>\ud83d\udcdd <strong>Alerting<\/strong> Offers a quick and simple way to set up notifications, ideal for basic monitoring.<br \/>\n\ud83d\udcdd <strong>Watcher<\/strong> Take automation to the next level, with advanced scripting, workflow automation and intelligent search optimisation.<\/p>\n<p>Whether you're monitoring search performance, data pipelines, or infrastructure health, the Elastic Stack provides the right tools to always have the insights you need \u2013 precisely when you need them.<\/p>\n<h4 data-start=\"0\" data-end=\"55\">Ready to optimise your monitoring strategy?<\/h4>\n<p data-start=\"0\" data-end=\"55\">Whether you opt for the simple efficiency of Alerting or the advanced automation of Watcher, the right tool can make all the difference in your Elastic Stack environment. Want to know more about how to effectively deploy these tools for your organisation? Then get in touch. <a href=\"https:\/\/puurdata.nl\/uk\/contact\/\">Contact<\/a> Meet with us for advice or find out how we can help you set up a powerful monitoring solution.<\/p>\n\t<\/div>\n<\/div>\n\n\n\n\n\t\t<\/div> \n\t<\/div>\n\t<\/div> \n<\/div><\/div><div id=\"fws_6a5fda3013221\" data-midnight=\"\" data-column-margin=\"default\" class=\"wpb_row vc_row-fluid vc_row inner_row  vc_custom_1563971679673\"  style=\"\"><div class=\"row-bg-wrap\"> <div class=\"row-bg\" ><\/div> <\/div><div class=\"row_col_wrap_12_inner col span_12  left\">\n\t<div  class=\"vc_col-sm-12 wpb_column column_container vc_column_container col child_column padding-4-percent\"   data-padding-pos=\"all\" data-has-bg-color=\"false\" data-bg-color=\"\" data-bg-opacity=\"1\" data-animation=\"\" data-delay=\"0\" >\n\t\t<div class=\"vc_column-inner\" >\n\t\t<div class=\"wpb_wrapper\">\n\t\t\t<h4 style=\"text-align: left\" class=\"vc_custom_heading vc_do_custom_heading\" >Want to know more?<\/h4>\n<div class=\"wpb_text_column wpb_content_element\" >\n\t<div class=\"wpb_wrapper\">\n\t\t<p>Would you like to know more or do you have questions about the possibilities? Call us on <a href=\"tel:+31887887328\">+31 (0)88-7887328<\/a>, visit our <a href=\"\/uk\/contact\/\">Contact page<\/a>, fill in the form below!<\/p>\n\t<\/div>\n<\/div>\n\n\n\n\n\t\t<\/div> \n\t<\/div>\n\t<\/div> \n<\/div><\/div>\n\t\t\t<\/div> \n\t\t<\/div>\n\t<\/div> \n\n\t<div  class=\"vc_col-sm-4 sidebarcards wpb_column column_container vc_column_container col no-extra-padding\"  data-padding-pos=\"all\" data-has-bg-color=\"false\" data-bg-color=\"\" data-bg-opacity=\"1\" data-animation=\"\" data-delay=\"0\" >\n\t\t<div class=\"vc_column-inner\" >\n\t\t\t<div class=\"wpb_wrapper\">\n\t\t\t\t<h4 style=\"color: #e9812e;text-align: left\" class=\"vc_custom_heading vc_do_custom_heading\" >Recent news reports<\/h4>\n    <div class=\"row blog-recent columns-1\" data-style=\"default\" data-color-scheme=\"light\" data-remove-post-date=\"\" data-remove-post-author=\"1\" data-remove-post-comment-number=\"1\" data-remove-post-nectar-love=\"1\">\n\n      \n      <div class=\"col span_12 post-4505 post type-post status-publish format-standard has-post-thumbnail category-headlines\" >\n\n        <a href=\"https:\/\/puurdata.nl\/uk\/save-the-date-elasticon-amsterdam-2026\/\"><img loading=\"lazy\" decoding=\"async\" width=\"600\" height=\"403\" src=\"https:\/\/puurdata.nl\/wp-content\/uploads\/2026\/06\/photo-elasticon-2026-attendees-600x403.jpg\" class=\"attachment-portfolio-thumb size-portfolio-thumb wp-post-image\" alt=\"\" title=\"\" srcset=\"https:\/\/puurdata.nl\/wp-content\/uploads\/2026\/06\/photo-elasticon-2026-attendees-600x403.jpg 600w, https:\/\/puurdata.nl\/wp-content\/uploads\/2026\/06\/photo-elasticon-2026-attendees-18x12.jpg 18w, https:\/\/puurdata.nl\/wp-content\/uploads\/2026\/06\/photo-elasticon-2026-attendees-400x269.jpg 400w\" sizes=\"auto, (max-width: 600px) 100vw, 600px\" \/><\/a>\n            <div class=\"post-header\">\n              <h3 class=\"title\"><a href=\"https:\/\/puurdata.nl\/uk\/save-the-date-elasticon-amsterdam-2026\/\">Save the Date: 20 October 2026 \u2013 ElasticON Amsterdam<\/a><\/h3>\n              <span class=\"meta-author\"><a href=\"https:\/\/puurdata.nl\/uk\/author\/astegpuurdata-nl\/\" rel=\"author\">Alex Steg<\/a> <\/span> <span class=\"meta-category\"> | <a href=\"https:\/\/puurdata.nl\/uk\/category\/headlines\/\">Headlines<\/a> <\/span> <span class=\"meta-comment-count\"> | <a href=\"https:\/\/puurdata.nl\/uk\/save-the-date-elasticon-amsterdam-2026\/#respond\">\n              No comments<\/a> <\/span>\n            <\/div>\n\n            <div class=\"excerpt\">On 20 October, Elastic users, experts, and innovators will meet during ElasticON Amsterdam. We will be there. Will you? The world of data, search, observability, security, and AI is developing at breakneck speed. During\u2026<\/div>\n      <\/div><!--\/col-->\n\n      \n      <div class=\"col span_12 post-4408 post type-post status-publish format-standard has-post-thumbnail category-headlines tag-nis2 tag-observability tag-security\" >\n\n        <a href=\"https:\/\/puurdata.nl\/uk\/puurdata-in-fd-special-over-nis2-en-cybersecurity\/\"><img loading=\"lazy\" decoding=\"async\" width=\"600\" height=\"403\" src=\"https:\/\/puurdata.nl\/wp-content\/uploads\/2026\/05\/cybersecurity-paper-600x403.png\" class=\"attachment-portfolio-thumb size-portfolio-thumb wp-post-image\" alt=\"\" title=\"\" srcset=\"https:\/\/puurdata.nl\/wp-content\/uploads\/2026\/05\/cybersecurity-paper-600x403.png 600w, https:\/\/puurdata.nl\/wp-content\/uploads\/2026\/05\/cybersecurity-paper-18x12.png 18w, https:\/\/puurdata.nl\/wp-content\/uploads\/2026\/05\/cybersecurity-paper-900x604.png 900w, https:\/\/puurdata.nl\/wp-content\/uploads\/2026\/05\/cybersecurity-paper-400x269.png 400w\" sizes=\"auto, (max-width: 600px) 100vw, 600px\" \/><\/a>\n            <div class=\"post-header\">\n              <h3 class=\"title\"><a href=\"https:\/\/puurdata.nl\/uk\/puurdata-in-fd-special-over-nis2-en-cybersecurity\/\">PuurData featured in an FD special on NIS2 and cybersecurity<\/a><\/h3>\n              <span class=\"meta-author\"><a href=\"https:\/\/puurdata.nl\/uk\/author\/astegpuurdata-nl\/\" rel=\"author\">Alex Steg<\/a> <\/span> <span class=\"meta-category\"> | <a href=\"https:\/\/puurdata.nl\/uk\/category\/headlines\/\">Headlines<\/a> <\/span> <span class=\"meta-comment-count\"> | <a href=\"https:\/\/puurdata.nl\/uk\/puurdata-in-fd-special-over-nis2-en-cybersecurity\/#respond\">\n              No comments<\/a> <\/span>\n            <\/div>\n\n            <div class=\"excerpt\">In the *Financieele Dagblad*\u2019s cybersecurity special, PuurData shares its views on how organisations can demonstrably remain in control under NIS2.<\/div>\n      <\/div><!--\/col-->\n\n      \n    <\/div><!--\/blog-recent-->\n\n  \n\t\t\t<\/div> \n\t\t<\/div>\n\t<\/div> \n<\/div><\/div>","protected":false},"excerpt":{"rendered":"<p>Bij monitoring en alerting binnen de Elastic Stack springen twee functies eruit: Alerting en Watcher. Beide zijn ontworpen om zoekopdrachten te automatiseren, gegevenswijzigingen te volgen en ervoor te zorgen dat je systeem effici\u00ebnt en betrouwbaar blijft.<\/p>","protected":false},"author":8,"featured_media":2835,"comment_status":"closed","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":{"content-type":"","footnotes":""},"categories":[5],"tags":[29,16,19,31,30],"class_list":["post-2820","post","type-post","status-publish","format-standard","has-post-thumbnail","category-blog","tag-alerting","tag-elastic","tag-elasticsearch","tag-elk","tag-watcher"],"yoast_head":"<!-- This site is optimized with the Yoast SEO plugin v27.9 - https:\/\/yoast.com\/product\/yoast-seo-wordpress\/ -->\n<title>Alerting vs Watcher: kies de juiste ELK-tool voor monitoring en inzichten - PuurData<\/title>\n<meta name=\"description\" content=\"Bij monitoring en alerting binnen de Elastic Stack springen twee functies eruit: Alerting en Watcher, ontworpen om zoekopdrachten te automatiseren.\" \/>\n<meta name=\"robots\" content=\"index, follow, max-snippet:-1, max-image-preview:large, max-video-preview:-1\" \/>\n<link rel=\"canonical\" href=\"https:\/\/puurdata.nl\/uk\/alerting-vs-watcher\/\" \/>\n<meta name=\"twitter:label1\" content=\"Written by\" \/>\n\t<meta name=\"twitter:data1\" content=\"Francesca Brzoskowski\" \/>\n\t<meta name=\"twitter:label2\" content=\"Estimated reading time\" \/>\n\t<meta name=\"twitter:data2\" content=\"6 minutes\" \/>\n<script type=\"application\/ld+json\" class=\"yoast-schema-graph\">{\"@context\":\"https:\\\/\\\/schema.org\",\"@graph\":[{\"@type\":\"Article\",\"@id\":\"https:\\\/\\\/puurdata.nl\\\/alerting-vs-watcher\\\/#article\",\"isPartOf\":{\"@id\":\"https:\\\/\\\/puurdata.nl\\\/alerting-vs-watcher\\\/\"},\"author\":{\"name\":\"Francesca Brzoskowski\",\"@id\":\"https:\\\/\\\/puurdata.nl\\\/#\\\/schema\\\/person\\\/9865a2f5096a7475caa6eec32fb31d5b\"},\"headline\":\"Alerting vs Watcher: kies de juiste ELK-tool voor monitoring en inzichten\",\"datePublished\":\"2025-02-27T10:01:13+00:00\",\"dateModified\":\"2025-07-17T07:37:47+00:00\",\"mainEntityOfPage\":{\"@id\":\"https:\\\/\\\/puurdata.nl\\\/alerting-vs-watcher\\\/\"},\"wordCount\":1554,\"image\":{\"@id\":\"https:\\\/\\\/puurdata.nl\\\/alerting-vs-watcher\\\/#primaryimage\"},\"thumbnailUrl\":\"https:\\\/\\\/puurdata.nl\\\/wp-content\\\/uploads\\\/2025\\\/02\\\/serverruimte_dashboard.jpg\",\"keywords\":[\"Alerting\",\"elastic\",\"elasticsearch\",\"ELK\",\"Watcher\"],\"articleSection\":[\"Blog\"],\"inLanguage\":\"en-GB\"},{\"@type\":\"WebPage\",\"@id\":\"https:\\\/\\\/puurdata.nl\\\/alerting-vs-watcher\\\/\",\"url\":\"https:\\\/\\\/puurdata.nl\\\/alerting-vs-watcher\\\/\",\"name\":\"Alerting vs Watcher: kies de juiste ELK-tool voor monitoring en inzichten - 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