Hello Kevin, here are a few thoughts and things you could try:
each node has stored about 4TB
When I joined a new node, I found that the process has not been completed
> for more than a week
So first thought is that this is a lot of data per node. I think the sweet
spot is around 1-2 TB / node.
I have a Cassandra(v3.7) cluster with 31 nodes, each node’s hard configuration
is 4cpu, 64GB memory, 8TB hard disk, and each node has stored about 4TB of data
now. When I joined a new node, I found that the process has not been completed
for more than a week, while the CPU load of new node and s