DVA-C01

Opensearch Service (formerly Elasticsearch Service) What it is * https://aws.amazon.com/opensearch-service/ * distributed search and analytics suite derived from Elasticsearch * enables you to perform interactive log analytics, real-time application monitoring, etc. * has visualization capabilities powered by OpenSearch Dashboards and Kibana EventBridge What it is * https://aws.amazon.com/eventbridge/

CI/CD tldr - making small incremental changes with as much of integration, building, testing, and deployed automated as possible. Countinuous integration - integrating or merging code changes frequently Continuous delivery - automating build, test, deployment Continuous deployment - fully automated release process to staging or prod after change passes

SQS - Simple Queue Service What it is * https://aws.amazon.com/sqs/ * distributed message queue service (temp buffer to store messages waiting to be processed) * https://www.youtube.com/watch?v=oUJbuFMyBDk <- good explanation of message queues * helps decouple components of an application * messages can contain up

KMS - Key Management Service What it is * https://aws.amazon.com/kms/ * managed service for creating and controlling the encryption keys used to encrypt your data * encryption keys are Single-Region by default * can be multi-tenant * seamless integration with a plethora of AWS services (usually a checkbox in the console

IAM - Identity and Access Management Web Identity Federation * simplifies authentication and authorization for web applications * allows users to access AWS services after (successfully) authenticating with a web-based identity provider * provider must be OpenID Connect compatible * authenticate with provider -> successful authentication returns an authentication code from the provider

CloudWatch What is it * https://aws.amazon.com/cloudwatch/ * monitoring service to monitor health and performance metrics of you applications and AWS resources * by default can monitor compute, storage & content delivery, database & analytics, and a variety of other AWS services * can even monitor estimated AWS charges * CloudWatch Agent

DynamoDB What it is * https://aws.amazon.com/dynamodb/ * fast, flexible, fully managed NoSQL database * fast - consistent, single-digit millisecond latency * flexible data model - supports both document (JSON, HTML, and XML) and key-value data models * can be configured to auto-scale * stored on SSD storage * spread across 3 geographically distinct

S3 - Simple Storage Service What it is * https://aws.amazon.com/s3/ * scaleable, low cost, object storage * cannot run an operating system or database * manages data as objects instead of files or blocks * you can upload any file type * "unlimited" storage in volume and objects count * 5TB

Serverless Computing What it is * https://aws.amazon.com/serverless/ * allows you to run application code on the cloud without needing to manage a server * AWS handles managing the infrastructure * capacity provisioning * patching * auto scaling * high availability * Advantages * speed to market - no server management overhead * automatic scaling

IAM - Identity and Access Management What it does? * manage users and their level of access to the AWS console and services * centralized control over your AWS account * shared access to your AWS account * granular permissions for different users within your organization * identity federation (being able to log in using