Re: Disk space utilization by from some Cassandra

2019-08-21 Thread Jon Haddad
This advice hasn't been valid for a long time now for most use cases. The only time you need to reserve 50% disk space is if you're going to be running major compactions against a table in your cluster that occupies 50% of its total disk space. Nowadays, that's far less common than it was when yo

Re: Disk space utilization by from some Cassandra

2019-08-21 Thread Stefan Miklosovic
Hi, for example compaction uses a lot of disk space. It is quite common so it is not safe to have your disk utilised like on 85% because compactions would not have room to comapact and that node would be stuck. This happens in production quite often. Hence, having it on 50% and having big buffer

Disk space utilization by from some Cassandra

2019-08-21 Thread yanga.zukelwa
Good day, I’m running the monitoring script for disk space utilization set the benchmark to 50%. Currently am getting the alerts from some of the nodes About disk space greater than 50%. Is there a way, I can quickly figure out why the space has increased and how I can maintain the disk space