list-state-machines does not return all records

[danielsitnik]

Describe the bug

I have 17 state machines visible in the Step Functions Console on my AWS Account and all of them have the status Active.

When calling the list-state-machines command on AWS CLI, only 14 state machines are returned, and there is no nextToken present on the response to ask for a next page.

I also tried using --max-items 10 and it gave me a token. But when fetching the second page, it also only had 4 records, totalling 14 again. There's always 3 records missing from the response.

Expected Behavior

Expected all 17 state machines to be returned since they are all active.

Current Behavior

Only 14 state machines are returned from a total of 17.

Reproduction Steps

I'm just calling aws stepfunctions list-state-machines --profile my-profile-here

Possible Solution

No response

Additional Information/Context

This behavior also happens when using the AWS JavaScript SDK v3 and calling the ListStateMachinesCommand.

CLI version used

2.7.33

Environment details (OS name and version, etc.)

macOS Sonoma 14.2.1, Python/3.9.11

[danielsitnik]

Nevermind, just found this note on the API documentation:

This operation is eventually consistent. The results are best effort and may not reflect very recent updates and changes.

Being eventually consistent is pretty awful.. what good is an API to list my resources if it won't return everything I need?
This should at least be mentioned in the CLI and SDK documentations as well.

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