One think I do not understand. In my case compaction is running permanently. Is there a way to check which compaction is pending? The only information is about total count.
On Monday, February 16, 2015, Ja Sam <ptrstp...@gmail.com> wrote: > 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> 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 >>> >> >> >> -- >> >> >> >>
