Block Size for Cloud Backup

[tophee]

@drakar2007

I eventually decided on 200MB volumes for my main PC with the biggest data size, and for other computers I’m backing up to the same account have done anything from 150 to slightly over 200 MB.

If you want to restore a 1MB file, you will have to download the entire 150 or 200 MB block. Was that part of your consideration?

Also this (just replace 100kb with 200MB):

@JonMikelV

Only changes within a block are resent (so in a 100M file if 1byte is changed and your block-size is 100k, then a single 100k block will be sent. However, if 1k is changed the actually re-send amount could be anywhere between a single 100k file and 1,024 of them depending on how closely the 1k of changes aligns with individual blocks. Most likely you wouldn’t see more than 2 or 3 individual blocks being re-sent)