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A comment on S3 trickery: using it as a scheduler. Parent comment

Re:S3 trickery: using it as a scheduler by efi_mk on Friday September 14, 2018 @08:31AM (#17986702)
CloudWatch is cron based, which means you can't schedule a one time event.

Agree regarding sns, but in our case sns == s3

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Re:S3 trickery: using it as a scheduler by scarface74 on Friday September 14, 2018 @08:38AM (#17986741)
AWS adds a year parameter to cron. You can specify the exact time.

Why use S3? S3 events aren’t guaranteed. SNS was specifically designed for this use case.

https://docs.aws.amazon.com/AmazonCloudWatch/latest/events/S...

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