This is set in the cassandra.yaml on each node independently; it doesn't have to be same cluster-wide.
On Mon, Jan 4, 2016 at 3:59 PM, Ken Hancock <ken.hanc...@schange.com> wrote: > I was surprised the other day to discover that this was a cluster-wide > setting. Why does that make sense? > > In a heterogeneous cassandra deployment, say I have some old servers > running spinning disks and I'm bringing on more nodes that perhaps utilize > SSD. I want to have different compaction throttling on different nodes to > minimize read impact times. > > I can already balance data ownership through either token allocation or > vnode counts. > > Also, as I increase my node count, I technically also have to increase my > compaction_throughput which would require a rolling restart across the > cluster. > > >
