When you say "the load rises ... ", could you clarify what you mean by "load"? That has a specific Linux term, and in e.g. Cloudera Manager. But in neither case would that be relevant to transient or persisted disk. Am I missing something?
On Tue, May 30, 2017 at 10:18 AM, tommaso barbugli <tbarbu...@gmail.com> wrote: > 3-4 TB per node or in total? > > On Tue, May 30, 2017 at 6:48 PM, Daniel Steuernol <dan...@sendwithus.com> > wrote: > >> I should also mention that I am running cassandra 3.10 on the cluster >> >> >> >> On May 29 2017, at 9:43 am, Daniel Steuernol <dan...@sendwithus.com> >> wrote: >> >>> The cluster is running with RF=3, right now each node is storing about >>> 3-4 TB of data. I'm using r4.2xlarge EC2 instances, these have 8 vCPU's, 61 >>> GB of RAM, and the disks attached for the data drive are gp2 ssd ebs >>> volumes with 10k iops. I guess this brings up the question of what's a good >>> marker to decide on whether to increase disk space vs provisioning a new >>> node? >>> >>> >>> On May 29 2017, at 9:35 am, tommaso barbugli <tbarbu...@gmail.com> >>> wrote: >>> >>> Hi Daniel, >>> >>> This is not normal. Possibly a capacity problem. Whats the RF, how much >>> data do you store per node and what kind of servers do you use (core count, >>> RAM, disk, ...)? >>> >>> Cheers, >>> Tommaso >>> >>> On Mon, May 29, 2017 at 6:22 PM, Daniel Steuernol <dan...@sendwithus.com >>> > wrote: >>> >>> >>> I am running a 6 node cluster, and I have noticed that the reported load >>> on each node rises throughout the week and grows way past the actual disk >>> space used and available on each node. Also eventually latency for >>> operations suffers and the nodes have to be restarted. A couple questions >>> on this, is this normal? Also does cassandra need to be restarted every few >>> days for best performance? Any insight on this behaviour would be helpful. >>> >>> Cheers, >>> Daniel >>> --------------------------------------------------------------------- >>> To unsubscribe, e-mail: user-unsubscr...@cassandra.apache.org For >>> additional commands, e-mail: user-h...@cassandra.apache.org >>> >>> >>> >
