Re: Data storage space unbalance issue

2018-12-04 Thread Eunsu Kim
Thanks to you, I found a good tool called Reaper.(http://cassandra-reaper.io/ ) I will try it. > On 4 Dec 2018, at 3:30 PM, Elliott Sims wrote: > > It depends on the type of repair, but you'll want to make sure all the data > is where it should be before running

Re: Data storage space unbalance issue

2018-12-03 Thread Elliott Sims
It depends on the type of repair, but you'll want to make sure all the data is where it should be before running cleanup. Somewhat related, if you're not running regular repairs already, you should be. You can do it via cron, but I strongly suggest checking out Reaper. On Wed, Nov 28, 2018, 8:05

Re: Data storage space unbalance issue

2018-11-28 Thread Eunsu Kim
Thank you for your response. I will run repair from datacenter2 with your advice. Do I have to run repair on every node in datacenter2? There is no snapshot when checked with nodetool listsnaphosts. Thank you. > On 29 Nov 2018, at 4:31 AM, Elliott Sims wrote: > > I think you answered your ow

Re: Data storage space unbalance issue

2018-11-28 Thread Elliott Sims
I think you answered your own question, sort of. When you expand a cluster, it copies the appropriate rows to the new node(s) but doesn't automatically remove them from the old nodes. When you ran cleanup on datacenter1, it cleared out those old extra copies. I would suggest running a repair fir

Data storage space unbalance issue

2018-11-28 Thread Eunsu Kim
(I am sending the previous mail again because it seems that it has not been sent properly.) HI experts, I am running 2 datacenters each containing five nodes. (total 10 nodes, all 3.11.3) My data is stored one at each data center. (REPLICATION = { 'class' : 'org.apache.cassandra.locator.Netwo