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Posted to issues@beam.apache.org by "ASF GitHub Bot (Jira)" <ji...@apache.org> on 2020/10/14 12:43:00 UTC
[jira] [Work logged] (BEAM-10706) DynamoDBIO fail to write to the
same key in short consecution
[ https://issues.apache.org/jira/browse/BEAM-10706?focusedWorklogId=500622&page=com.atlassian.jira.plugin.system.issuetabpanels:worklog-tabpanel#worklog-500622 ]
ASF GitHub Bot logged work on BEAM-10706:
-----------------------------------------
Author: ASF GitHub Bot
Created on: 14/Oct/20 12:42
Start Date: 14/Oct/20 12:42
Worklog Time Spent: 10m
Work Description: iemejia commented on pull request #12583:
URL: https://github.com/apache/beam/pull/12583#issuecomment-708375803
I have forgotten about this issue, did you have any progress @dennisylyung, any chance you can get this rebased so we can have some progress.
I also just realized that you made a question that I have not answered too :S I have to check this on my side and tell you back.
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Issue Time Tracking
-------------------
Worklog Id: (was: 500622)
Time Spent: 1.5h (was: 1h 20m)
> DynamoDBIO fail to write to the same key in short consecution
> -------------------------------------------------------------
>
> Key: BEAM-10706
> URL: https://issues.apache.org/jira/browse/BEAM-10706
> Project: Beam
> Issue Type: Bug
> Components: io-java-aws
> Affects Versions: 2.23.0
> Reporter: Dennis Yung
> Priority: P2
> Time Spent: 1.5h
> Remaining Estimate: 0h
>
> Internally, DynamoDBIO.Write uses the batchWriteItem method from the AWS SDK to sink items. However, there is a limitation in the AWS SDK that a call to batchWriteItem cannot contain duplicate keys.
> Currently DynamoDBIO.Write performs no key deduplication before flushing a batch, which could cause ValidationException: Provided list of item keys contains duplicates, if consecutive updates to a single key is within the batch size (currently hardcoded to be 25).
> To fix this bug, the batch of write requests need to be deduplicated before being sent to batchRequest.addRequestItemsEntry
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