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Global Secondary Index vs Local Secondary Index


Bookmarks Global Secondary Index Local Secondary Index A secondary index is a data structure that contains a subset of attributes from a table, along with an alternate key to support Query operations. An Amazon DynamoDB table can have multiple secondary indexes. Global Secondary Index Read/Write Capacity Calculation (Provisioned Throughput Mode) Eventually consistent reads consume ½ read capacity unit. Therefore, each query can retrieve up to 8KB of data per capacity unit (4KB x 2). The maximum size of the results returned by a Query operation is 1 MB. The total provisioned throughput cost for a [...]

Global Secondary Index vs Local Secondary Index2021-05-06T09:40:09+00:00



Bookmarks Concepts Features How X-Ray Works Pricing AWS X-Ray-related Cheat Sheets Validate Your Knowledge 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. A subsegment can contain [...]

AWS X-Ray2021-05-06T10:27:00+00:00

AWS Step Functions


Bookmarks Concepts Features How Step Functions Work Common Use Cases 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 is 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 algorithm as a number of states, their relationships, and their [...]

AWS Step Functions2021-07-14T08:18:11+00:00

AWS, Azure, and GCP Certifications are consistently among the top-paying IT certifications in the world, considering that most companies have now shifted to the cloud. Earn over $150,000 per year with an AWS, Azure, or GCP certification!

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