Error when trying to update an item in DynamoDB via management console

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I've got a 17KB item stored in Dynamo. If I open it in the management console (https://eu-west-1.console.aws.amazon.com/dynamodbv2/home?region=eu-west-1#edit-item?table=TABLE&itemMode=2&pk=PRIMARY_KEY&sk&route=ROUTE_ITEM_EXPLORER) and hit Save Changes button, I get the warning message below:

The update request failed with the response below. The request can proceed by overwriting the item.
Tick this box to confirm
Invalid ConditionExpression: Expression size has exceeded the maximum allowed size; expression size: 4255

I can proceed and update the item after ticking the box, but I'd like to know what is going on. What expression is this message talking about? Any help is appreciated.

Denis
asked a year ago200 views
2 Answers
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You are probably hitting Expression Parameters limits. Please refer to: https://docs.aws.amazon.com/amazondynamodb/latest/developerguide/Limits.html#limits-expression-parameters

profile pictureAWS
answered a year ago
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Could you please elaborate your answer? I'm afraid I can't follow you.

Denis
answered a year ago

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