I would assume storage varies greatly. I know that LinkedIn quoted an average read fanout ratio of 5.5x in Kafka, meaning each byte was read 5.5x times. Assumin

I would assume storage varies greatly. I know that LinkedIn quoted an average read fanout ratio of 5.5x in Kafka, meaning each byte was read 5.5x times. Assuming that is still true, we ought to divide by 6.5x to get to the daily write amount That comes out to 87 disks a day. Assuming a 7 day retention period (this is on the high side), it’s not unthinkable to have a 600-1800 disk deployment (accounting for replication copies)