Re: Sudden disk usage

+1 to checking for snapshots. Cassandra by default will automatically snapshot tables before destructive actions like drop or truncate. Some general advice regarding cleanup. Cleanup will result in a temporary increase in both disk I/O load and disk space usage (especially with STCS). It should

Re: Sudden disk usage

On Sat, Feb 13, 2016 at 4:30 PM, Branton Davis wrote: > We use SizeTieredCompaction. The nodes were about 67% full and we were > planning on adding new nodes (doubling the cluster to 6) soon. > Be sure to add those new nodes one at a time. Have you checked for, and

Re: Sudden disk usage

Hi, what kind of compaction strategy do you use? What you are about to see is a compaction likely - think of 4 sstables of 50gb each, compacting those can take up 200g while rewriting the new sstable. After that the old ones are deleted and space will be freed again. If using

Re: Sudden disk usage

We use SizeTieredCompaction. The nodes were about 67% full and we were planning on adding new nodes (doubling the cluster to 6) soon. I've been watching the disk space used, and the nodes were taking about 100GB during compaction, so I thought we were going to be okay for another week. The

Sudden disk usage

One of our clusters had a strange thing happen tonight. It's a 3 node cluster, running 2.1.10. The primary keyspace has RF 3, vnodes with 256 tokens. This evening, over the course of about 6 hours, disk usage increased from around 700GB to around 900GB on only one node. I was at a loss as to