What Is AWS CloudWatch? Definition and Top Tips

Understand AWS CloudWatch and its key benefits

What Is AWS CloudWatch? Definition and Top Tips

  • Amazon CloudWatch is a monitoring, observability, and management service designed specifically for site reliability engineers (SREs), IT, and DevOps teams. It provides actionable insights for AWS, hybrid, and on-premises applications and infrastructure resources. It enables teams to collect crucial data related to resource performance in the form of logs, events, and metrics. Such data helps teams understand the overall operational health of resources, enabling them to respond to system-wide performance changes and optimize resource utilization accordingly. With this information, teams can easily detect anomalous behavior and overcome the challenge of individual monitoring systems and applications in bulk.

    How Does It Work?

    CloudWatch provides intuitive dashboards for a unified view of applications, resources, and services and monitors overall health and performance. CloudWatch utilizes machine learning algorithms to automate its monitoring capabilities. It allows end users to continuously monitor system and application metrics, identify, and detect potential issues without manual intervention.

  • Unified View of Data Huge volumes of data generated through modern applications running on microservice architecture is difficult to manage. AWS CloudWatch enables organizations to collect data from multiple sources such as AWS resources, applications, services, and centralize it on a single platform. This helps in the management of data and provides system-wide visibility to troubleshoot issues quickly.

    Monitor Resources Quickly AWS CloudWatch integrates with multiple AWS services such as Amazon EC2, Amazon EKS, and Amazon DynamoDB to automatically generate detailed metrics and provide additional context. This makes it easier to monitor resources and applications. Additionally, IT teams can monitor on-premises resources in hybrid cloud architecture using the CloudWatch Agent or API.

    Improve Operational Performance AWS CloudWatch allows development teams to automate actions by setting alarms. These automated actions are based on predefined thresholds, which helps identify unusual behavior. With this information, teams can take proactive measures such as allocating resources, planning to resolve issues, and improving operational performance. CloudWatch can also initiate auto-scaling and trigger workflows using AWS services such as Amazon EC2, AWS Lambda, and AWS Cloud Formation.

  • Collect and Publish Performance Metrics With the CloudWatch Agent or an API The collection of important metrics helps in detecting latency, errors, and throttles. CloudWatch can aggregate different types of metrics such as container metrics and lambda metrics to spot trends and troubleshoot issues. However, publishing these metrics may require either a CloudWatch agent or an API.

    Monitor and Detect Anomalies Using CloudWatch Features Besides using dashboards to monitor applications and resources, CloudWatch allows organizations to create graphical representations of issues or upcoming events. This helps you view the crucial data quickly, diagnose the problem, and understand its root cause. CloudWatch allows teams to correlate crucial data and set alerts to reduce downtime and minimize potential business impact.

    • Amazon CloudWatch Anomaly Detection feature analyzes and identifies anomaly behavior with its machine learning algorithms.
    • CloudWatch Service Lens, with its service map, helps visualize how resources are connected to monitor data easily.

    • CloudWatch synthetics run tests every minute to monitor application endpoints. These tests can be customized to check transactions, page load errors, availability of applications, and unauthorized changes.

    Optimize Resources and Capacity With CloudWatch Auto Scaling The auto-scaling workflow feature of CloudWatch automates capacity and resource planning, helping optimize resource costs. CloudWatch Events provide a real-time stream of system events that describe changes in AWS resources. However, to automate actions and resolve similar issues, it’s important to set and define rules and route them to the stream of events. Moreover, Container Insights provides the ability to stop, reboot, terminate, and recover Amazon EC2 instances.

    Analyze Trends and Metrics With Log Analytics Feature CloudWatch allows organizations to collect granular insights and perform historical analysis to fine-tune resource utilization. CloudWatch combines metrics with trace data for end-to-end observability. It speeds up the analysis, debugging, and user request troubleshooting process to reduce the overall mean-time-to-resolution (MTTR). It offers features such as:

    • Metric Math to perform real-time analysis and derive insights from existing CloudWatch metrics (logs, events) without requiring scripts.
    • Log analytics feature to drive actionable intelligence to address operational issues, drill down into individual log events, and visualize time series data.
    • Contributor insights to view top contributors responsible for influencing system performance.

    Help Maintain Compliance With PCI and FedRamp Integrations Amazon Identity and Access Management (IAM) feature of CloudWatch allows organizations to manage and provide permission rights to users and resources for accessing critical data. AWS CloudWatch is PCI and FedRamp compliant to fulfill compliance and business regulations. It allows encryption of logs at rest and during data transfer for added compliance and security.

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