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Kinesis Scaling, Resharding and Parallel Processing

2023-03-20T03:29:22+00:00

Kinesis Resharding enables you to increase or decrease the number of shards in a stream in order to adapt to changes in the rate of data flowing through the stream. Resharding is always pairwise. You cannot split into more than two shards in a single operation, and you cannot merge more than two shards in a single operation. The Kinesis Client Library (KCL) tracks the shards in the stream using an Amazon DynamoDB table, and adapts to changes in the number of shards that result from resharding. When new shards are created as a result of resharding, the KCL discovers [...]

Kinesis Scaling, Resharding and Parallel Processing2023-03-20T03:29:22+00:00

DynamoDB Scan vs Query

2023-01-30T13:33:00+00:00

Scan The Scan operation returns one or more items and item attributes by accessing every item in a table or a secondary index. The total number of scanned items has a maximum size limit of 1 MB. Scan operations proceed sequentially; however, for faster performance on a large table or secondary index, applications can request a parallel Scan operation. Scan uses eventually consistent reads when accessing the data in a table; therefore, the result set might not include the changes to data in the table immediately before the operation began. If you need a consistent copy of the data, as [...]

DynamoDB Scan vs Query2023-01-30T13:33:00+00:00

ECS Task Placement Strategies

2023-02-17T06:36:28+00:00

A task placement strategy is an algorithm for selecting instances for task placement or tasks for termination. When a task that uses the EC2 launch type is launched, Amazon ECS must determine where to place the task based on the requirements specified in the task definition, such as CPU and memory. Similarly, when you scale down the task count, Amazon ECS must determine which tasks to terminate.  A task placement constraint is a rule that is considered during task placement. You can use constraints to place tasks based on Availability Zone or instance type.  You can also associate attributes, which [...]

ECS Task Placement Strategies2023-02-17T06:36:28+00:00

AWS Serverless Application Model (SAM)

2023-06-06T07:36:32+00:00

AWS Serverless Application Model (SAM) Cheat Sheet An open-source framework for building serverless applications. It provides shorthand syntax to express functions, APIs, databases, and event source mappings.  You create a JSON or YAML configuration template to model your applications.  During deployment, SAM transforms and expands the SAM syntax into AWS CloudFormation syntax. Any resource that you can declare in an AWS CloudFormation template you can also declare in an AWS SAM template. The SAM CLI provides a Lambda-like execution environment that lets you locally build, test, and debug applications defined by SAM templates. You can also use the SAM CLI [...]

AWS Serverless Application Model (SAM)2023-06-06T07:36:32+00:00

Amazon MQ

2023-07-25T09:15:44+00:00

Bookmarks Features Brokers Configuration Security and Monitoring Pricing Amazon MQ Cheat Sheet AWS offering for a managed message broker service for Apache ActiveMQ. Message brokers allow different software systems–often using different programming languages, and on different platforms–to communicate and exchange information. Amazon MQ also supports RabbitMQ, a popular open-source message broker. Migrate your existing RabbitMQ message brokers to AWS without having to rewrite code. Features Amazon MQ uses industry-standard APIs and protocols for messaging, including Java Message Service (JMS), .NET Message Service (NMS), AMQP, STOMP, MQTT, OpenWire, and WebSocket. Amazon MQ manages [...]

Amazon MQ2023-07-25T09:15:44+00:00

AWS X-Ray

2024-04-12T00:27:57+00:00

Bookmarks Concepts Features How X-Ray Works Pricing AWS X-Ray-related Cheat Sheets Validate Your Knowledge AWS X-Ray Cheat Sheet AWS X-Ray analyzes and debugs production, distributed applications, such as those built using a microservices architecture. With X-Ray, you can identify performance bottlenecks, edge case errors, and other hard to detect issues. Concepts A segment provides the name of the compute resources running your application logic, details about the request sent by your application, and details about the work done. A segment can break down the data about the work done into subsegments. [...]

AWS X-Ray2024-04-12T00:27:57+00:00

AWS Step Functions

2023-06-27T02:16:31+00:00

Bookmarks Concepts Features Standard vs. Express Workflow How Step Functions Work Common Use Cases AWS Step Functions Cheat Sheet AWS Step Functions is a web service that provides serverless orchestration for modern applications. It enables you to coordinate the components of distributed applications and microservices using visual workflows. Concepts Step Functions are based on the concepts of tasks and state machines. A task performs work by using an activity or an AWS Lambda function, or by passing parameters to the API actions of other services. A finite state machine can express an [...]

AWS Step Functions2023-06-27T02:16:31+00:00

VPC Peering

2024-11-14T08:49:12+00:00

VPC Peering Cheat Sheet A networking connection between two VPCs that enables you to route traffic between them privately using private IPv4 addresses or IPv6 addresses. Instances in either VPC can communicate with each other as if they are within the same network. You can create a VPC peering connection between your own VPCs, with a VPC in another AWS account, or with a VPC in a different AWS Region (also called Inter-Region VPC Peering). A VPC peering connection is neither a gateway nor a AWS Site-to-Site VPN connection, and does not rely on a separate piece of physical hardware. [...]

VPC Peering2024-11-14T08:49:12+00:00

AWS CodeBuild

2023-06-23T08:16:06+00:00

Bookmarks Concepts Features Monitoring and Security Pricing Additional Training Materials: AWS CodeBuild Video Courses on Udemy AWS CodeBuild Cheat Sheet A fully managed continuous integration service that compiles source code, runs tests, and produces software packages that are ready to deploy. Concepts A build project defines how CodeBuild will run a build. It includes information such as where to get the source code, which build environment to use, the build commands to run, and where to store the build output. A build environment is the combination of operating system, programming language runtime, [...]

AWS CodeBuild2023-06-23T08:16:06+00:00

AWS CodePipeline

2023-07-25T08:47:23+00:00

Bookmarks Concepts Features Limits Pricing Validate Your Knowledge AWS CodePipeline Cheat Sheet A fully managed continuous delivery service that helps you automate your release pipelines for application and infrastructure updates. You can easily integrate AWS CodePipeline with third-party services such as GitHub or with your own custom plugin. Concepts A pipeline defines your release process workflow, and describes how a new code change progresses through your release process. A pipeline comprises a series of stages (e.g., build, test, and deploy), which act as logical divisions in your workflow. Each stage is made [...]

AWS CodePipeline2023-07-25T08:47:23+00:00

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