"Unnecessary" is the keyword you missed. Refer to sentences 1, 2 and 3 in my response.
The argument of cost is fundamental and no amount of Kafka, etc. can override it.
The argument of cost is fundamental and no amount of Kafka, etc. can override it.
Considering that the topic is an article is comparing raw NVMe vs EBS performance for postgres storage and GP saying that cloud is unnecessarily inefficient, I misinterpreted your comment as implying that networked storage is always an unnecessary cost. In many cases the cost of replication and availability is lower than the cost of data loss and downtime.