Maybe try to monitor through JMX with 'org.apache.cassandra.db:type=CompactionManager', attribute 'Compactions' or 'CompactionsSummary'
C*heers ----------------------- Alain Rodriguez - @arodream - al...@thelastpickle.com France The Last Pickle - Apache Cassandra Consulting http://www.thelastpickle.com 2017-04-27 12:27 GMT+02:00 Alain RODRIGUEZ <arodr...@gmail.com>: > Hi, > > I am not sure about this one. It happened to me in the past as well. I > never really wondered about it as it was gone after a while or a restart > off the top of my head. To get rid of it, a restart might be enough. > > But if you feel like troubleshooting this, I think the first thing is to > try to see if compactions are really happening. Maybe using JMX, I believe > `org.apache.cassandra.metrics:type=Compaction,name=PendingTasks` is what > is used by 'nodetool compactionstats' but they might be more info there. > Actually I don't really know what the 'system.compactions_in_progress' > was replaced by, but any way to double check you could think of would > probably help understanding better what's happening. > > Does someone now the way to check pending compactions details in 3.0.9? > > C*heers, > ----------------------- > Alain Rodriguez - @arodream - al...@thelastpickle.com > France > > The Last Pickle - Apache Cassandra Consulting > http://www.thelastpickle.com > > 2017-04-25 15:13 GMT+02:00 Abhishek Kumar Maheshwari <Abhishek.Maheshwari@ > timesinternet.in>: > >> Hi All, >> >> >> >> In Production, I am using Cassandra 3.0.9. >> >> >> >> While I am running nodetool compactionstats command its just showing >> count not any other information like below: >> >> >> >> [mohit.kundra@AdtechAppXXXX bin]$ ./nodetool -h XXX.XX.XX.XX >> compactionstats >> >> pending tasks: 3 >> >> [mohit.kundra@AdtechAppXXXXX bin]$ >> >> >> >> So, this is some Cassandra bug or what? I am not able to understand. >> >> >> >> >> >> *Thanks & Regards,* >> *Abhishek Kumar Maheshwari* >> *+91- 9999805591 <+91%2099998%2005591> (Mobile)* >> >> Times Internet Ltd. | A Times of India Group Company >> >> FC - 6, Sector 16A, Film City, Noida, U.P. 201301 | INDIA >> >> *P** Please do not print this email unless it is absolutely necessary. >> Spread environmental awareness.* >> >> >> "Learn journalism at India's largest media house - The Times of India >> Group. Last Date 28 April, 2017. Visit www.tcms.in for details." >> > >
