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https://issues.apache.org/jira/browse/BEAM-13209?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=17441185#comment-17441185
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Etienne Chauchot commented on BEAM-13209:
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regarding data loss comment, I'd raise the priority
> DynamoDBIO silently drops unprocessed items
> -------------------------------------------
>
> Key: BEAM-13209
> URL: https://issues.apache.org/jira/browse/BEAM-13209
> Project: Beam
> Issue Type: Bug
> Components: io-java-aws
> Reporter: Moritz Mack
> Priority: P0
> Labels: aws, data-loss, dynamodb
>
> `[batchWriteItem|https://docs.aws.amazon.com/amazondynamodb/latest/APIReference/API_BatchWriteItem.html]`
> might fail partially and return unprocessed items. Such partial failures are
> not handled and result in a data loss.
> If hitting DynamoDB at scale it's rather likely to run into this.
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