Re: Network Bandwidth and Multi-DC replication

2020-12-15 Thread Jeff Jirsa
There's a small amount of overhead on each packet for serialization - e.g., each mutation is tied to a column family (uuid) and gets serialized with sizes and checksums, so I guess there's a point where your updates are small enough that the overhead of the mutations starts being visible. You men

Re: Network Bandwidth and Multi-DC replication

2020-12-15 Thread Jens Fischer
Hi Scott, Thank you for your help. There was an error or at least an ambiguity in my second Mail! I wrote: I still see outgoing cross-DC traffic of ~ 2x the “write size A” What I wanted to say was: I still see outgoing cross-DC traffic of ~ 2x the “write size A” per remote DC or 4x the "write