Of couse I made a mistake. I am using 2.1.2. Anyway night build is available from http://cassci.datastax.com/job/cassandra-2.1/
I read about cold_reads_to_omit It looks promising. Should I set also compaction throughput? p.s. I am really sad that I didn't read this before: https://engineering.eventbrite.com/what-version-of-cassandra-should-i-run/ On Monday, February 16, 2015, Carlos Rolo <r...@pythian.com <javascript:_e(%7B%7D,'cvml','r...@pythian.com');>> wrote: > Hi 100% in agreement with Roland, > > 2.1.x series is a pain! I would never recommend the current 2.1.x series > for production. > > Clocks is a pain, and check your connectivity! Also check tpstats to see > if your threadpools are being overrun. > > Regards, > > Carlos Juzarte Rolo > Cassandra Consultant > > Pythian - Love your data > > rolo@pythian | Twitter: cjrolo | Linkedin: *linkedin.com/in/carlosjuzarterolo > <http://linkedin.com/in/carlosjuzarterolo>* > Tel: 1649 > www.pythian.com > > On Mon, Feb 16, 2015 at 8:12 PM, Roland Etzenhammer < > r.etzenham...@t-online.de> wrote: > >> Hi, >> >> 1) Actual Cassandra 2.1.3, it was upgraded from 2.1.0 (suggested by Al >> Tobey from DataStax) >> 7) minimal reads (usually none, sometimes few) >> >> those two points keep me repeating an anwser I got. First where did you >> get 2.1.3 from? Maybe I missed it, I will have a look. But if it is 2.1.2 >> whis is the latest released version, that version has many bugs - most of >> them I got kicked by while testing 2.1.2. I got many problems with >> compactions not beeing triggred on column families not beeing read, >> compactions and repairs not beeing completed. See >> >> https://www.mail-archive.com/search?l=user@cassandra. >> apache.org&q=subject:%22Re%3A+Compaction+failing+to+trigger% >> 22&o=newest&f=1 >> https://www.mail-archive.com/user%40cassandra.apache.org/msg40768.html >> >> Apart from that, how are those both datacenters connected? Maybe there is >> a bottleneck. >> >> Also do you have ntp up and running on all nodes to keep all clocks in >> thight sync? >> >> Note: I'm no expert (yet) - just sharing my 2 cents. >> >> Cheers, >> Roland >> > > > -- > > > >
