Specs		GCP Pub/Sub	AWS Kinesis	Oracle Stream
Unit Limits	Write	None	1 MB/s 1000 Records/s	1 MB/s Unlimited Writes
Unit Limits	Read	None	2 MB/s 5 Reads/s	2 MB/s 5 Reads/s
Project Limits	Write	50 MB/s (small**) 200 MB/s (large)	Unit Limit × N	Unit Limit × N
Project Limits	Read	100 MB/s (small) 400 MB/s (large)	Unit Limit × N	Unit Limit × N
Retention Period		7 Days	24 Hours	24 Hours
Pricing		Message Ingestion, Delivery, and Storage	Shards × Hour	Partitions × Hour