Data sync in bedrock knowledge base

Question

How does AWS Bedrock Knowledge Base syncing work internally? I have 10 files in S3, and after deleting and re-uploading them, the sync status does not show the files as modified. Can someone explain how the sync process handles file changes and updates?

Hyunjoong Shin · Answer

Hello.

Bedrock's knowledge base works with the following actions.

[+] Sync your data with your Amazon Bedrock knowledge base

https://docs.aws.amazon.com/ko_kr/bedrock/latest/userguide/kb-data-source-sync-ingest.html
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Each time you add, modify, or remove files from your data source, you must sync the data source so that it is re-indexed to the knowledge base. 
Syncing is incremental, so Amazon Bedrock only processes added, modified, or deleted documents since the last sync.
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If you put it in the S3 folder connected to Bedrock, it will not be automatically synchronized, so please check the link below additionally.

[+] Does Knowledge Base auto update data from s3

https://repost.aws/questions/QUZOmMEo5hTLOZ4cZn9l7jrg/does-knowledge-base-auto-update-data-from-s3

Data sync in bedrock knowledge base

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