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Posted to issues@beam.apache.org by "Etienne Chauchot (Jira)" <ji...@apache.org> on 2021/11/09 14:08:00 UTC

[jira] [Commented] (BEAM-13209) DynamoDBIO silently drops unprocessed items

    [ https://issues.apache.org/jira/browse/BEAM-13209?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=17441186#comment-17441186 ] 

Etienne Chauchot commented on BEAM-13209:
-----------------------------------------

Thanks for identifying this [~mosche] !

> 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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