WebC. Export the DynamoDB data to Amazon S3 Glacier on a daily basis. For RPO recovery, import the data from S3 Glacier to DynamoDB. D. Schedule Amazon Elastic Block Store (Amazon EBS) snapshots for the DynamoDB table every 15 minutes. For RPO recovery, restore the DynamoDB table by using the EBS snapshot. WebMay 20, 2024 · 1 Answer Sorted by: 4 A scan may return different results on a GSI compared to a base table because a GSI can be sparse. A GSI has a different key set to the base table. Items are only written to the GSI if the GSI keys are present on an item. Otherwise it is omitted, meaning there can be less data in a GSI than a base table.
Module 3: Querying and Global Secondary Indexes
WebEach table in DynamoDB can have up to 20 global secondary indexes (default quota) and 5 local secondary indexes. For more information about the differences between global … WebManaging Amazon EC2 instances; Working with Amazon EC2 key pairs; Describe Amazon EC2 Regions and Availability Zones; Working with security groups in Amazon EC2 inches of hg to mm of hg
DynamoDB: Efficient Indexes - Medium
WebDynamoDB supports two types of secondary indexes: Global secondary index — An index with a partition key and a sort key that can be different from those on the base table. A global secondary index is considered "global" because queries on the index can span all of the data in the base table, across all partitions. WebJul 8, 2024 · Figure 3: DispatchDate Global Secondary Index. We can now run the faster Query operation on the DispatchDate attribute. This is where DynamoDB’s flexibility is exemplified, as we did not have to ... WebAug 5, 2024 · There is an existing table in DynamoDB with few billion records and I want to add a Global Secondary Index (GSI) to it. Does this consume any Read Request Units … inches of hg to h20