This was fixed (again) in 3.0.15. https://issues.apache.org/jira/browse/CASSANDRA-13738
On Fri., 20 Apr. 2018, 00:53 Jeff Jirsa, <jji...@gmail.com> wrote: > There have also been a few sstable ref counting bugs that would over > report load in nodetool ring/status due to overlapping normal and > incremental repairs (which you should probably avoid doing anyway) > > -- > Jeff Jirsa > > > On Apr 19, 2018, at 9:27 AM, Rahul Singh <rahul.xavier.si...@gmail.com> > wrote: > > I’ve seen something similar in 2.1. Our issue was related to file > permissions being flipped due to an automation and C* stopped seeing > Sstables so it started making new data — via read repair or repair > processes. > > In your case if nodetool is reporting data that means that it’s growing > due to data growth. What does your cfstats / tablestats day? Are you > monitoring your key tables data via cfstats metrics like SpaceUsedLive or > SpaceUsedTotal. What is your snapshottjng / backup process doing? > > -- > Rahul Singh > rahul.si...@anant.us > > Anant Corporation > > On Apr 19, 2018, 7:01 AM -0500, horschi <hors...@gmail.com>, wrote: > > Did you check the number of files in your data folder before & after the > restart? > > I have seen cases where cassandra would keep creating sstables, which > disappeared on restart. > > regards, > Christian > > > On Thu, Apr 19, 2018 at 12:18 PM, Fernando Neves <fernando1ne...@gmail.com > > wrote: > >> I am facing one issue with our Cassandra cluster. >> >> Details: Cassandra 3.0.14, 12 nodes, 7.4TB(JBOD) disk size in each node, >> ~3.5TB used physical data in each node, ~42TB whole cluster and default >> compaction setup. This size maintain the same because after the retention >> period some tables are dropped. >> >> Issue: Nodetool status is not showing the correct used size in the >> output. It keeps increasing the used size without limit until automatically >> node shutdown or until our sequential scheduled restart(workaround 3 times >> week). After the restart, nodetool shows the correct used space but for few >> days. >> Did anybody have similar problem? Is it a bug? >> >> Stackoverflow: >> https://stackoverflow.com/questions/49668692/cassandra-nodetool-status-is-not-showing-correct-used-space >> >> >
