Increase 3 throughput Compaction throughput Stream throughput Interdcstream throughput (if rebuilding from another DC)
Make all of the above to 0 and see if there is any improvement and later set the value if u can’t leave these values to 0. On Wed, Sep 12, 2018 at 5:42 AM Vitali Dyachuk <vdjat...@gmail.com> wrote: > Hi, > I'm currently streaming data with nodetool rebuild on 2 nodes, each node > is streaming from different location. The problem is that it takes ~7 days > to stream 4Tb of data to 1 node, the speed on each side is ~150Mbit/s so > it should take around > ~2,5 days . Although there are resources on the destnodes and in the > source regions. > I've increased stream throughput, but its only affects outbound > connections. > Tested with iperf the bandwidth is 600Mibt/s from both sides. Last week > i've changed the CS from ST to LC because of huge sstables and compaction > of them is still ongoing. > How does rebuild command works ? Does it calculate the range then request > the needed sstables from that node and start streaming ? How is it possible > to speed up the streaming ? > > Vitali. >
