{"id":200378,"date":"2023-09-18T07:30:00","date_gmt":"2023-09-18T07:30:00","guid":{"rendered":"https:\/\/datascientest.com\/?p=200378"},"modified":"2023-11-09T14:21:41","modified_gmt":"2023-11-09T14:21:41","slug":"aws-cloudwatch-tout-savoir","status":"publish","type":"post","link":"https:\/\/datascientest.com\/aws-cloudwatch-tout-savoir","title":{"rendered":"AWS CloudWatch : Qu&rsquo;est-ce que c&rsquo;est ? \u00c0 quoi \u00e7a sert ?"},"content":{"rendered":"\t\t<div data-elementor-type=\"wp-post\" data-elementor-id=\"200378\" class=\"elementor elementor-200378\" data-elementor-post-type=\"post\">\n\t\t\t\t\t\t\t<div class=\"elementor-element elementor-element-fb872ee e-flex e-con-boxed e-con\" data-id=\"fb872ee\" data-element_type=\"container\" data-settings=\"{&quot;content_width&quot;:&quot;boxed&quot;}\">\n\t\t\t\t\t<div class=\"e-con-inner\">\n\t\t\t\t<div class=\"elementor-element elementor-element-672b6eb elementor-widget elementor-widget-heading\" data-id=\"672b6eb\" data-element_type=\"widget\" data-widget_type=\"heading.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t<style>\/*! elementor - v3.15.0 - 02-08-2023 *\/\n.elementor-heading-title{padding:0;margin:0;line-height:1}.elementor-widget-heading .elementor-heading-title[class*=elementor-size-]>a{color:inherit;font-size:inherit;line-height:inherit}.elementor-widget-heading .elementor-heading-title.elementor-size-small{font-size:15px}.elementor-widget-heading .elementor-heading-title.elementor-size-medium{font-size:19px}.elementor-widget-heading .elementor-heading-title.elementor-size-large{font-size:29px}.elementor-widget-heading .elementor-heading-title.elementor-size-xl{font-size:39px}.elementor-widget-heading .elementor-heading-title.elementor-size-xxl{font-size:59px}<\/style><h2 class=\"elementor-heading-title elementor-size-default\">Amazon AWS CloudWatch est un service qui a pour but de surveiller et de monitorer vos ressources et applications que vous ex\u00e9cutez sur AWS. CloudWatch met en place une surveillance en temps r\u00e9el de vos diff\u00e9rentes ressources, telles que vos instances EC2 ou RDS, vos \u00e9quilibreurs de charges, etc.<\/h2>\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t<div class=\"elementor-element elementor-element-9f343c7 e-flex e-con-boxed e-con\" data-id=\"9f343c7\" data-element_type=\"container\" data-settings=\"{&quot;content_width&quot;:&quot;boxed&quot;}\">\n\t\t\t\t\t<div class=\"e-con-inner\">\n\t\t\t\t<div class=\"elementor-element elementor-element-c545648 elementor-widget elementor-widget-text-editor\" data-id=\"c545648\" data-element_type=\"widget\" data-widget_type=\"text-editor.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t<style>\/*! elementor - v3.15.0 - 02-08-2023 *\/\n.elementor-widget-text-editor.elementor-drop-cap-view-stacked .elementor-drop-cap{background-color:#69727d;color:#fff}.elementor-widget-text-editor.elementor-drop-cap-view-framed .elementor-drop-cap{color:#69727d;border:3px solid;background-color:transparent}.elementor-widget-text-editor:not(.elementor-drop-cap-view-default) .elementor-drop-cap{margin-top:8px}.elementor-widget-text-editor:not(.elementor-drop-cap-view-default) .elementor-drop-cap-letter{width:1em;height:1em}.elementor-widget-text-editor .elementor-drop-cap{float:left;text-align:center;line-height:1;font-size:50px}.elementor-widget-text-editor .elementor-drop-cap-letter{display:inline-block}<\/style>\t\t\t\t<p><span style=\"font-weight: 400;\">Vous pouvez utiliser CloudWatch afin de collecter et de suivre diff\u00e9rentes m\u00e9triques, de surveiller vos journaux de diagnostic ou encore cr\u00e9er des alarmes pour \u00eatre en mesure de r\u00e9agir efficacement \u00e0 tout changement dans vos ressources AWS.<\/span><\/p>\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t<div class=\"elementor-element elementor-element-f7e1745 e-flex e-con-boxed e-con\" data-id=\"f7e1745\" data-element_type=\"container\" data-settings=\"{&quot;content_width&quot;:&quot;boxed&quot;}\">\n\t\t\t\t\t<div class=\"e-con-inner\">\n\t\t\t\t<div class=\"elementor-element elementor-element-9a4120c elementor-widget elementor-widget-heading\" data-id=\"9a4120c\" data-element_type=\"widget\" data-widget_type=\"heading.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t<h3 class=\"elementor-heading-title elementor-size-default\">Comment effectuer un suivi des performances ?<\/h3>\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-c5be91c elementor-widget elementor-widget-text-editor\" data-id=\"c5be91c\" 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<p><span style=\"font-weight: 400;\">Amazon CloudWatch permet aux utilisateurs d\u2019avoir une visibilit\u00e9 compl\u00e8te concernant l\u2019utilisation de leurs ressources, les performances de leurs applications et la sant\u00e9 g\u00e9n\u00e9rale de leur\u00a0<\/span><a href=\"https:\/\/datascientest.com\/amazon-web-services-tout-savoir\" target=\"_blank\" rel=\"noopener\">infrastructure AWS<\/a><span style=\"font-weight: 400;\">.<\/span><\/p><p><span style=\"font-weight: 400;\">Afin de comprendre comment cela fonctionne, il est important de comprendre ces <\/span><b>concepts fondamentaux<\/b><span style=\"font-weight: 400;\"> :\u00a0<\/span><b><\/b><\/p><ul><li aria-level=\"1\"><b>Namespaces<\/b><span style=\"font-weight: 400;\"> (espaces de noms) : il s\u2019agit de conteneurs logiques pour les m\u00e9triques. On peut les apparenter \u00e0 des cat\u00e9gories ou des groupes de m\u00e9triques associ\u00e9es \u00e0 une application, un service ou une ressource particuli\u00e8re. Ils doivent \u00eatre unique, et seront cr\u00e9\u00e9s avant de pouvoir collecter des m\u00e9triques.<\/span><\/li><li aria-level=\"1\"><b>Metrics<\/b><span style=\"font-weight: 400;\"> (m\u00e9triques) : ce sont des donn\u00e9es de performances transmises \u00e0 CloudWatch. Elles peuvent inclure des informations sur les performances de diverses ressources AWS (instances EC2, bases DynamoDB, fonctions Lambda, etc). Elles sont identifi\u00e9es par un nom, une unit\u00e9 de mesure, une dimension et un espace de noms.<\/span><\/li><li aria-level=\"1\"><b>Dimensions<\/b><span style=\"font-weight: 400;\"> (dimensions) : les dimensions sont des attributs de m\u00e9triques suppl\u00e9mentaires qui peuvent \u00eatre utilis\u00e9es pour filtrer et segmenter leurs donn\u00e9es. Ce sont des paires cl\u00e9-valeur qui permettent de cr\u00e9er des vues personnalis\u00e9es en fonction de diff\u00e9rents attributs de votre environnement AWS.<\/span><\/li><li aria-level=\"1\"><b>Statistics<\/b><span style=\"font-weight: 400;\"> (statistiques) : il s\u2019agit de valeurs calcul\u00e9es pour une m\u00e9trique donn\u00e9e sur une p\u00e9riode de temps sp\u00e9cifi\u00e9e. CloudWatch calcule automatiquement les statistiques pour toutes les m\u00e9triques et les rend disponibles pour l\u2019analyse et la surveillance.<\/span><\/li><li aria-level=\"1\"><b>Percentiles<\/b><span style=\"font-weight: 400;\"> (pourcentages) : ils mesurent la distribution des valeurs d\u2019une m\u00e9trique, sous la forme d\u2019un pourcentage. Ils peuvent \u00eatre utilis\u00e9s pour comprendre les tendances de performances et les comportements anormaux des ressources AWS.<\/span><\/li><li aria-level=\"1\"><b>Alarms<\/b> (alarmes) : ce sont des r\u00e8gles de seuils au-del\u00e0 desquelles une action automatis\u00e9e est d\u00e9clench\u00e9e d\u00e8s lors qu\u2019une m\u00e9trique d\u00e9passe ou tombe en dessous d\u2019un seuil\u00a0 sp\u00e9cifi\u00e9. Il s\u2019agit d\u2019un outil essentiel pour la surveillance en temps r\u00e9el des performances de vos ressources AWS.<\/li><\/ul>\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-b03de77 elementor-widget elementor-widget-text-editor\" data-id=\"b03de77\" 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<p><span style=\"font-weight: 400;\">On peut imaginer CloudWatch tel un entrep\u00f4t de m\u00e9triques. Votre service AWS ira enregistrer ses m\u00e9triques dans cet entrep\u00f4t, et vous obtiendrez ainsi des statistiques bas\u00e9es sur ces m\u00e9triques.<\/span><\/p>\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t<div class=\"elementor-element elementor-element-5b99cc4 e-flex e-con-boxed e-con\" data-id=\"5b99cc4\" data-element_type=\"container\" data-settings=\"{&quot;content_width&quot;:&quot;boxed&quot;}\">\n\t\t\t\t\t<div class=\"e-con-inner\">\n\t\t\t\t<div class=\"elementor-element elementor-element-320693e elementor-widget elementor-widget-heading\" data-id=\"320693e\" data-element_type=\"widget\" data-widget_type=\"heading.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t<h3 class=\"elementor-heading-title elementor-size-default\">Amazon CloudWatch Logs : la journalisation<\/h3>\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-1e67bf8 elementor-widget elementor-widget-text-editor\" data-id=\"1e67bf8\" 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<p><span style=\"font-weight: 400;\">CloudWatch Logs vous permet d\u2019acc\u00e9der, de surveiller, et de stocker des fichiers journaux (<\/span><b>log files<\/b><span style=\"font-weight: 400;\">) depuis leur ressource AWS. Gr\u00e2ce \u00e0 ces journaux vous serez en mesure de diagnostiquer vos syst\u00e8mes et applications.<\/span><\/p><p><span style=\"font-weight: 400;\">Voici quelques fonctionnalit\u00e9s de CloudWatch Logs :<\/span><\/p>\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-ee5aef4 elementor-widget elementor-widget-html\" data-id=\"ee5aef4\" data-element_type=\"widget\" data-widget_type=\"html.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t<style type=\"text\/css\">\r\n.tg  {border-collapse:collapse;border-spacing:0;}\r\n.tg td{border-color:black;border-style:solid;border-width:1px;font-family:Arial, sans-serif;font-size:14px;\r\n  overflow:hidden;padding:10px 5px;word-break:normal;}\r\n.tg th{border-color:black;border-style:solid;border-width:1px;font-family:Arial, sans-serif;font-size:14px;\r\n  font-weight:normal;overflow:hidden;padding:10px 5px;word-break:normal;}\r\n.tg .tg-72o8{background-color:#c0c0c0;font-family:\"Trebuchet MS\", Helvetica, sans-serif !important;font-size:100%;font-weight:bold;\r\n  text-align:center;vertical-align:top}\r\n.tg .tg-cfot{font-family:\"Trebuchet MS\", Helvetica, sans-serif !important;font-size:100%;text-align:left;vertical-align:top}\r\n.tg .tg-388z{background-color:#efefef;font-family:\"Trebuchet MS\", Helvetica, sans-serif !important;font-size:100%;text-align:center;\r\n  vertical-align:top}\r\n<\/style>\r\n<table class=\"tg\" style=\"undefined;table-layout: fixed; width: 600px\">\r\n<colgroup>\r\n<col style=\"width: 100px\">\r\n<col style=\"width: 150px\">\r\n<col style=\"width: 350px\">\r\n<\/colgroup>\r\n<thead>\r\n  <tr>\r\n    <th class=\"tg-388z\"><img decoding=\"async\" src=\"https:\/\/datascientest.com\/wp-content\/uploads\/2023\/05\/image6-1.png\" alt=\"Image\" width=\"75\" height=\"75\"><br><\/th>\r\n    <th class=\"tg-72o8\">Collecte de logs<br><\/th>\r\n    <th class=\"tg-cfot\"><p>La collecte de logs peut s\u2019effectuer depuis diverses sources, telles que des instances EC2, des conteneurs Docker, des services AWS ou des applications tierces.<\/p><p><i>Il est n\u00e9cessaire d\u2019installer un agent (SSM) sur la source pour permettre l\u2019envoi \u00e0 CloudWatch.<\/i><\/p><\/th>\r\n  <\/tr>\r\n<\/thead>\r\n<tbody>\r\n  <tr>\r\n    <td class=\"tg-388z\"><img decoding=\"async\" src=\"https:\/\/datascientest.com\/wp-content\/uploads\/2023\/05\/image5-1.png\" alt=\"Image\" width=\"75\" height=\"75\"><br><br><\/td>\r\n    <td class=\"tg-72o8\">Stockage des logs<br><\/td>\r\n    <td class=\"tg-cfot\"><p>Les journaux collect\u00e9s sont stock\u00e9s dans des groupes de logs. Vous pouvez cr\u00e9er des groupes pour chaque application, service ou ressource que vous souhaitez surveiller.<\/p><p><i>Ils sont conserv\u00e9s durant une dur\u00e9e d\u00e9finie (de quelques jours \u00e0 plusieurs ann\u00e9es).<\/i><\/p><\/td>\r\n  <\/tr>\r\n  <tr>\r\n    <td class=\"tg-388z\"><img decoding=\"async\" src=\"https:\/\/datascientest.com\/wp-content\/uploads\/2023\/05\/image4-2.png\" alt=\"Image\" width=\"75\" height=\"75\"><\/td>\r\n    <td class=\"tg-72o8\">Recherche et filtrage<br><\/td>\r\n    <td class=\"tg-cfot\">Vous pouvez rechercher et filtrer dans vos journaux en utilisant des expressions de recherche avanc\u00e9es.<\/td>\r\n  <\/tr>\r\n  <tr>\r\n    <td class=\"tg-388z\"><img decoding=\"async\" src=\"https:\/\/datascientest.com\/wp-content\/uploads\/2023\/05\/image3-2.png\" alt=\"Image\" width=\"75\" height=\"75\"><\/td>\r\n    <td class=\"tg-72o8\">Visualisation des logs<\/td>\r\n    <td class=\"tg-cfot\">Une interface graphique simple et conviviale est mise \u00e0 votre disposition afin de visualiser vos journaux sous forme de graphiques et de tableaux de bord personnalisables.<\/td>\r\n  <\/tr>\r\n<\/tbody>\r\n<\/table>\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-b4cd3a3 elementor-widget elementor-widget-text-editor\" data-id=\"b4cd3a3\" 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<p><span style=\"font-weight: 400;\">La surveillance au travers de ces fichiers journaux s\u2019effectue en temps quasi r\u00e9el, et vous pouvez rechercher des mots cl\u00e9s, des phrases sp\u00e9cifiques, ou encore des valeurs. Par ailleurs, les journaux CloudWatch peuvent \u00eatre impl\u00e9ment\u00e9s <\/span><b>sans inclure de frais suppl\u00e9mentaire<\/b><span style=\"font-weight: 400;\"> \u00e0 votre compte AWS.<\/span><\/p>\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-e25a2ae elementor-align-center button-principale elementor-widget elementor-widget-button\" data-id=\"e25a2ae\" data-element_type=\"widget\" data-widget_type=\"button.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t<div class=\"elementor-button-wrapper\">\n\t\t\t<a class=\"elementor-button elementor-button-link elementor-size-sm elementor-animation-grow\" href=\"https:\/\/datascientest.com\/formation-aws\">\n\t\t\t\t\t\t<span class=\"elementor-button-content-wrapper\">\n\t\t\t\t\t\t<span class=\"elementor-button-text\">Monter en comp\u00e9tences sur AWS<\/span>\n\t\t<\/span>\n\t\t\t\t\t<\/a>\n\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t<div class=\"elementor-element elementor-element-d5e7b28 e-flex e-con-boxed e-con\" data-id=\"d5e7b28\" data-element_type=\"container\" data-settings=\"{&quot;content_width&quot;:&quot;boxed&quot;}\">\n\t\t\t\t\t<div class=\"e-con-inner\">\n\t\t\t\t<div class=\"elementor-element elementor-element-b19cc10 elementor-widget elementor-widget-heading\" data-id=\"b19cc10\" data-element_type=\"widget\" data-widget_type=\"heading.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t<h3 class=\"elementor-heading-title elementor-size-default\">Les \u00e9v\u00e9nements CloudWatch<\/h3>\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-a14b414 elementor-widget elementor-widget-text-editor\" data-id=\"a14b414\" 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<p><span style=\"font-weight: 400;\">Ils vont vous permettre d\u2019acc\u00e9der \u00e0 des flux d\u2019\u00e9v\u00e9nements en temps quasi r\u00e9el \u00e0 mesure que votre environnement AWS \u00e9volue. Ils peuvent par la suite d\u00e9clencher des notifications ou d\u2019autres actions automatis\u00e9es.<\/span><\/p><p><span style=\"font-weight: 400;\">Les principaux composants des \u00e9v\u00e8nements CloudWatch sont les suivants : <\/span><\/p>\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-5988907 elementor-widget elementor-widget-html\" data-id=\"5988907\" data-element_type=\"widget\" data-widget_type=\"html.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t<style type=\"text\/css\">\r\n.tg  {border-collapse:collapse;border-spacing:0;}\r\n.tg td{border-color:black;border-style:solid;border-width:1px;font-family:Arial, sans-serif;font-size:14px;\r\n  overflow:hidden;padding:10px 5px;word-break:normal;}\r\n.tg th{border-color:black;border-style:solid;border-width:1px;font-family:Arial, sans-serif;font-size:14px;\r\n  font-weight:normal;overflow:hidden;padding:10px 5px;word-break:normal;}\r\n.tg .tg-e0gc{background-color:#efefef;border-color:inherit;font-family:\"Trebuchet MS\", Helvetica, sans-serif !important;\r\n  font-size:100%;text-align:center;vertical-align:top}\r\n.tg .tg-v7vj{background-color:#c0c0c0;border-color:inherit;font-family:\"Trebuchet MS\", Helvetica, sans-serif !important;\r\n  font-size:100%;font-weight:bold;text-align:center;vertical-align:top}\r\n.tg .tg-sc94{border-color:inherit;font-family:\"Trebuchet MS\", Helvetica, sans-serif !important;font-size:100%;text-align:left;\r\n  vertical-align:top}\r\n<\/style>\r\n<table class=\"tg\" style=\"undefined;table-layout: fixed; width: 600px\">\r\n<colgroup>\r\n<col style=\"width: 100px\">\r\n<col style=\"width: 150px\">\r\n<col style=\"width: 350px\">\r\n<\/colgroup>\r\n<thead>\r\n  <tr>\r\n    <th class=\"tg-e0gc\"><img decoding=\"async\" src=\"https:\/\/datascientest.com\/wp-content\/uploads\/2023\/05\/image2-2.png\" alt=\"Image\" width=\"75\" height=\"75\"><\/th>\r\n    <th class=\"tg-v7vj\">Les \u00e9v\u00e9nements<\/th>\r\n    <th class=\"tg-sc94\">Ils sont g\u00e9n\u00e9r\u00e9s de 4 mani\u00e8res distinctes, et sont repr\u00e9sent\u00e9s en tant que JSON :\r\n    <ul>\r\n        <li>Ils peuvent provenir d\u2019AWS lorsqu\u2019une ressource change d\u2019\u00e9tat<\/li>\r\n        <li>Lors d\u2019\u00e9v\u00e9nements g\u00e9n\u00e9r\u00e9s par des appels \u00e0 des APIs et des connexions \u00e0 la console<\/li>\r\n        <li>Votre propre application ou code peut \u00e9galement g\u00e9n\u00e9rer un \u00e9v\u00e9nement et le publier sur CloudWatch<\/li>\r\n        <li>Par le biais de planification, \u00e0 intervalles d\u00e9finis, de type Cron par exemple<\/li>\r\n    <\/ul>\r\n    <\/th>\r\n  <\/tr>\r\n<\/thead>\r\n<tbody>\r\n  <tr>\r\n    <td class=\"tg-e0gc\"><img decoding=\"async\" src=\"https:\/\/datascientest.com\/wp-content\/uploads\/2023\/05\/image7-1.png\" alt=\"Image\" width=\"75\" height=\"75\"><\/td>\r\n    <td class=\"tg-v7vj\">Les r\u00e8gles<\/td>\r\n    <td class=\"tg-sc94\">Elles font correspondre  les \u00e9v\u00e9nements entrants et les redirigent vers une ou plusieurs cibles. Elles ne disposent pas d\u2019ordre de traitement, chaque r\u00e8gle correspondant \u00e0 un \u00e9v\u00e9nement sera trait\u00e9e<\/td>\r\n  <\/tr>\r\n  <tr>\r\n    <td class=\"tg-e0gc\"><img decoding=\"async\" src=\"https:\/\/datascientest.com\/wp-content\/uploads\/2023\/05\/image1-1.png\" alt=\"Image\" width=\"75\" height=\"75\"><\/td>\r\n    <td class=\"tg-v7vj\">Les cibles<\/td>\r\n    <td class=\"tg-sc94\"><p>Elles traitent les \u00e9v\u00e9nements qui sont sp\u00e9cifi\u00e9s dans les r\u00e8gles.<\/p><p>Initialement, 4 types de cibles existent : int\u00e9gr\u00e9s (built-in), les fonctions Lambda, les flux Kinesis et les topics SNS. Une seule r\u00e8gle peut sp\u00e9cifier plusieurs cibles.<\/p><\/td>\r\n  <\/tr>\r\n<\/tbody>\r\n<\/table>\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t<div class=\"elementor-element elementor-element-9002050 e-flex e-con-boxed e-con\" data-id=\"9002050\" data-element_type=\"container\" data-settings=\"{&quot;content_width&quot;:&quot;boxed&quot;}\">\n\t\t\t\t\t<div class=\"e-con-inner\">\n\t\t\t\t<div class=\"elementor-element elementor-element-c73387a elementor-widget elementor-widget-heading\" data-id=\"c73387a\" data-element_type=\"widget\" data-widget_type=\"heading.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t<h3 class=\"elementor-heading-title elementor-size-default\">Quels sont les tarifs d'Amazon Cloudwatch ?<\/h3>\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-9d39fb6 elementor-widget elementor-widget-text-editor\" data-id=\"9d39fb6\" 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<p><span style=\"font-weight: 400;\">Amazon CloudWatch dispose d\u2019une <\/span><b>p\u00e9riode d\u2019essai<\/b><span style=\"font-weight: 400;\"> qui devrait permettre de r\u00e9pondre \u00e0 beaucoup de cas d\u2019utilisation courant afin de tester le service. De plus, la plupart des services fournissent <\/span><b>automatiquement <\/b><span style=\"font-weight: 400;\">et <\/span><b>gratuitement <\/b><span style=\"font-weight: 400;\">des m\u00e9triques \u00e0 CloudWatch.<\/span><\/p><p><span style=\"font-weight: 400;\">Le plan gratuit (qui, par ailleurs, n\u2019expire jamais) vous donne acc\u00e8s au volume suivant :\u00a0<\/span><\/p><ul><li style=\"font-weight: 400;\" aria-level=\"1\"><span style=\"font-weight: 400;\">10 m\u00e9triques personnalis\u00e9es<\/span><\/li><li style=\"font-weight: 400;\" aria-level=\"1\"><span style=\"font-weight: 400;\">10 alarmes<\/span><\/li><li style=\"font-weight: 400;\" aria-level=\"1\"><span style=\"font-weight: 400;\">Un million de requ\u00eates API<\/span><\/li><li style=\"font-weight: 400;\" aria-level=\"1\"><span style=\"font-weight: 400;\">5 Go de stockage pour l\u2019ingestion de logs et 5 Go pour l\u2019archivage des logs<\/span><\/li><li style=\"font-weight: 400;\" aria-level=\"1\"><span style=\"font-weight: 400;\">3 tableaux de bords, avec 50 m\u00e9triques chacun par mois<\/span><\/li><\/ul>\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-f63598e elementor-widget elementor-widget-text-editor\" data-id=\"f63598e\" 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<p><span style=\"font-weight: 400;\">Quant \u00e0 l\u2019offre payante, elle n\u2019engage aucun frais minimum, et <\/span><b>vous ne payez qu\u2019\u00e0 l\u2019utilisation<\/b><span style=\"font-weight: 400;\">. La tarification du plan payant diff\u00e8re en fonction de la r\u00e9gion AWS dans laquelle vous vous trouvez. C\u2019est pourquoi il est conseill\u00e9 de v\u00e9rifier la <a href=\"https:\/\/aws.amazon.com\/fr\/cloudwatch\/pricing\/\">tarification en vigueur<\/a><\/span><span style=\"font-weight: 400;\">dans votre r\u00e9gion, et il est \u00e0 noter que chaque fonctionnalit\u00e9 de CloudWatch est tarif\u00e9e diff\u00e9remment.<\/span><\/p>\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t<div class=\"elementor-element elementor-element-ed8bfea e-flex e-con-boxed e-con\" data-id=\"ed8bfea\" data-element_type=\"container\" data-settings=\"{&quot;content_width&quot;:&quot;boxed&quot;}\">\n\t\t\t\t\t<div class=\"e-con-inner\">\n\t\t\t\t<div class=\"elementor-element elementor-element-342fc12 elementor-widget elementor-widget-heading\" data-id=\"342fc12\" data-element_type=\"widget\" data-widget_type=\"heading.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t<h3 class=\"elementor-heading-title elementor-size-default\">Conclusion<\/h3>\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-f5117dd elementor-widget elementor-widget-text-editor\" data-id=\"f5117dd\" 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<p><span style=\"font-weight: 400;\">Amazon CloudWatch est d\u2019une grande utilit\u00e9 en ce qui concerne la <\/span><b>surveillance et les diff\u00e9rentes t\u00e2ches qui en d\u00e9coulent<\/b><span style=\"font-weight: 400;\">, pouvant vite se r\u00e9v\u00e9ler chronophages et laborieuses. En permettant aux administrateurs de surveiller leurs m\u00e9triques sur une <\/span><b>large gamme de services AWS<\/b><span style=\"font-weight: 400;\"> (ainsi que de permettre la cr\u00e9ation de m\u00e9triques personnalis\u00e9es), conjointement avec l\u2019utilisation d\u2019alarmes et de notifications, <strong>Amazon CloudWatch est un outil tr\u00e8s puissant.<\/strong><\/span><\/p>\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-a6cd395 elementor-align-center button-principale elementor-widget elementor-widget-button\" data-id=\"a6cd395\" data-element_type=\"widget\" data-widget_type=\"button.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t<div class=\"elementor-button-wrapper\">\n\t\t\t<a class=\"elementor-button elementor-button-link elementor-size-sm elementor-animation-grow\" href=\"https:\/\/datascientest.com\/formation-aws\">\n\t\t\t\t\t\t<span class=\"elementor-button-content-wrapper\">\n\t\t\t\t\t\t<span class=\"elementor-button-text\">Commencer une formation sur AWS<\/span>\n\t\t<\/span>\n\t\t\t\t\t<\/a>\n\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t<div class=\"elementor-element elementor-element-66ae451 e-flex e-con-boxed e-con\" data-id=\"66ae451\" data-element_type=\"container\" data-settings=\"{&quot;content_width&quot;:&quot;boxed&quot;}\">\n\t\t\t\t\t<div class=\"e-con-inner\">\n\t\t\t\t<div class=\"elementor-element elementor-element-0983c51 elementor-widget elementor-widget-html\" data-id=\"0983c51\" data-element_type=\"widget\" data-widget_type=\"html.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t<script type=\"application\/ld+json\">\r\n{\r\n  \"@context\": \"https:\/\/schema.org\",\r\n  \"@type\": \"FAQPage\",\r\n  \"mainEntity\": [{\r\n    \"@type\": \"Question\",\r\n    \"name\": \"Comment effectuer un suivi des performances ?\",\r\n    \"acceptedAnswer\": {\r\n      \"@type\": \"Answer\",\r\n      \"text\": \"Amazon CloudWatch permet aux utilisateurs d\u2019avoir une visibilit\u00e9 compl\u00e8te concernant l\u2019utilisation de leurs ressources, les performances de leurs applications et la sant\u00e9 g\u00e9n\u00e9rale de leur infrastructure AWS. Afin de comprendre comment cela fonctionne, il est important de comprendre ces concepts fondamentaux : Namespaces (espaces de noms) : il s\u2019agit de conteneurs logiques pour les m\u00e9triques. On peut les apparenter \u00e0 des cat\u00e9gories ou des groupes de m\u00e9triques associ\u00e9es \u00e0 une application, un service ou une ressource particuli\u00e8re. Ils doivent \u00eatre unique, et seront cr\u00e9\u00e9s avant de pouvoir collecter des m\u00e9triques. Metrics (m\u00e9triques) : ce sont des donn\u00e9es de performances transmises \u00e0 CloudWatch. Elles peuvent inclure des informations sur les performances de diverses ressources AWS (instances EC2, bases DynamoDB, fonctions Lambda, etc). 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Ils peuvent par la suite d\u00e9clencher des notifications ou d\u2019autres actions automatis\u00e9es.\"\r\n    }\r\n  }]\r\n}\r\n<\/script>\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t\t\t\t<\/div>\n\t\t","protected":false},"excerpt":{"rendered":"<p>Amazon AWS CloudWatch est un service qui a pour but de surveiller et de monitorer vos ressources et applications que vous ex\u00e9cutez sur AWS. CloudWatch met en place une surveillance en temps r\u00e9el de vos diff\u00e9rentes ressources, telles que vos instances EC2 ou RDS, vos \u00e9quilibreurs de charges, etc. Vous pouvez utiliser CloudWatch afin de [&hellip;]<\/p>\n","protected":false},"author":79,"featured_media":200380,"comment_status":"open","ping_status":"open","sticky":false,"template":"elementor_theme","format":"standard","meta":{"content-type":"","inline_featured_image":false},"categories":[2411],"tags":[],"yoast_head":"<!-- This site is optimized with the Yoast SEO Premium plugin v21.7 (Yoast SEO v21.7) - https:\/\/yoast.com\/wordpress\/plugins\/seo\/ -->\n<title>AWS CloudWatch : Qu&#039;est-ce que c&#039;est ? \u00c0 quoi \u00e7a sert ?<\/title>\n<meta name=\"description\" content=\"Amazon AWS CloudWatch est un service qui a pour but de surveiller et de monitorer vos ressources et applications que vous ex\u00e9cutez sur AWS. 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