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Amazon Kinesis Data Streams versus Amazon EventBridge (formerly CloudWatch Events)

25 Nov 2020

Learn how Amazon Kinesis Data Streams differs from Amazon EventBridge (formerly CloudWatch Events).

Amazon Kinesis Data Streams Amazon EventBridge (formerly CloudWatch Events)
Scaling

1 MB or 1000 msg/sec per shard; up to 500 shards; you need to manually add/remove shards

not disclosed (default soft limit depends on region; e.g., 2400 msg/sec in eu-west-1)

Max. message size

1 MB

256 KB

Persistence

up to 7 days

archiving is possible

Replication

Multi-AZ

Multi-AZ

Order guarantee

within a shard

no

Delivery guarantee

at least once

at least once

Pricing

per shard hour

per message

Protocols

AWS Rest API

AWS Rest API

AWS Integrations

Lambda

Lambda, SQS, SNS, and many more

License

AWS only

AWS only

Encryption at rest

yes

no

Encryption in transit

yes

yes