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I have enabled the Point-in-time-recovery on my dynamodb table. So it will handle the creation of incremental backups. when i tried to restore from backup it is creating a new dynamodb table. Can't we restore to same dynamodb table? If not, what is the best way to do, without impacting the performance of dynamodb table?
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You can restore a table to a point in time using the DynamoDB console or the AWS Command Line Interface (AWS CLI). The point-in-time recovery process restores to a new table.
You can restore your DynamoDB table data across AWS Regions with a single click in the AWS Management Console or a simple API call, or in the AWS Command Line Interface. You pay only for the data you transfer out of the source Region and for restoring backups as new tables in destination Regions.
Restoring a table using point-in-time recovery. For EarliestRestorableDateTime , you can restore your table to any point in time during the last 35 days. The retention period is a fixed 35 days (5 calendar weeks) and can't be modified.
It can take up to 20 minutes (even if the table is empty) to perform all the actions to create the new table and initiate the restore process. For tables with even data distribution across your primary keys, the restore time is proportional to the largest single partition by item count and not the overall table size.
You can use the DynamoDB on-demand backup capability to create full backups of your tables for long-term retention and archival for regulatory compliance needs. You can back up and restore your table data anytime with a single click on the AWS Management Console or with a single API call.
You can back up and restore your table data anytime with a single click on the AWS Management Console or with a single API call. Backup and restore actions run with zero impact on table performance or availability. You can create table backups using the console, the AWS Command Line Interface (AWS CLI), or the DynamoDB API.
As mentioned previously, On-Demand Backup and Restore is an option that allows you to take a snapshot of your DynamoDB table data and restore it at a later time.
You can restore the table to a different AWS Region from where the backup resides. The sse-specification-override parameter is mandatory for cross-Region restores but optional for restores in the same Region as the source table.
At this time, you can only restore with PITR to another table. I know this sounds terrible, but it is done so the original table cannot be blown away and you are protected and you have options on how you want to restore.
Your best bet is to just repoint your application at the new table. Failing that, you will need to create a process that will update the original table from the newly restored table, if that is your intent.
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Not ideal, but you could try this. Make a backup of Table_A, restore to Table_B. Take a backup of Table_B. Drop Table_A. Restore Table_B as Table_A. And drop Table_B.
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