S3 Object-Level Logging S3 object-level logging integrates with AWS CloudTrail data events. AWS CloudTrail is a service that records and tracks all API requests that are made. These can be programmatic requests made using an SDK, using the AWS CLI, from within the AWS Management Console, or with another AWS service. When S3 object-level logging […]

2.3  Data Management Tools The Schema Builder is a visual tool within Salesforce that provides a graphical representation of your organization’s data model. It allows you to create, modify, and view objects, fields, and relationships in a visual interface. With the Schema Builder, you can Add Objects: Create new custom objects with fields and relationships. […]

Important note In Chapter 7, Evaluating and Optimizing Models, you will learn about evaluation metrics. For instance, you will learn that each type of model may have its own set of evaluation metrics. Regression models are commonly evaluated with Mean Squared Error (MSE) and Root Mean Squared Error (RMSE). In other words, apart from R, R […]

Deprecations or End of Life Most products will eventually reach a point when they no longer serve a useful purpose or no longer align with the organization’s business needs. Typically, an organization takes one of two approaches: Specify an end of life for the product: This involves indicating when the product will no longer be […]

Throttling Requests Throttling is a useful mechanism to respond to an unexpected burst in demand that exceeds a component’s capacity. Some of the requests are still served but those over a specific threshold are rejected with a return message that indicates they have been throttled. Why is it important to mention the reason for the […]

Viewing the Access Logs S3 access logs can be downloaded from the AWS Management Console or the AWS CLI. S3 access logs are not written in real time; they are created in batches that take a few hours to appear in your S3 logging bucket. After a few hours, you can check your logging bucket […]

Target Groups A target group is a configuration container that groups targets and is used to route connection requests to one or more of the registered targets. When created, the listener is defined for incoming connections, and the target group lists the devices or servers to connect to on the backend. Also, the target group […]

Least squares method There are different ways to find the slope and y intercept of a line, but the most used method is known as the least squares method. The principle behind this method is simple: you have to find the best line that reduces the sum of squared error. In Figure 6.1, you can […]

Lifecycle Management The following sections explore lifecycle management of cloud resources. Roadmaps In lifecycle management, roadmaps provide a timeline for the implementation of the product from start to finish. Roadmaps are also used to align the product with business goals and are designed to provide an easy way to visualize the lifecycle management of a […]

Designing Interactions in a Distributed System to Mitigate or Withstand Failures First, every component in your workload must behave in a way that does not negatively impact other components. Second, every component in your workload must be able to withstand the failure of one or more other components. Now, how can you achieve this? The […]