I read that I shouldn't install version less than 6 in the end. But I started with 2.1.0. Then I upgraded to 2.1.3.
But as I know, I cannot downgrade it On Wed, Feb 25, 2015 at 12:05 PM, Carlos Rolo <r...@pythian.com> wrote: > Your latency doesn't seem that high that can cause that problem. I suspect > more of a problem with the Cassandra version (2.1.3) than that with the > hard drives. I didn't look deep into the information provided but for your > reference, the only time I had serious (leading to OOM and all sort of > weird behavior) my hard drives where near 70ms latency. > > 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 Wed, Feb 25, 2015 at 11:19 AM, Ja Sam <ptrstp...@gmail.com> wrote: > >> Hi, >> I write some question before about my problems with C* cluster. All my >> environment is described here: >> https://www.mail-archive.com/user@cassandra.apache.org/msg40982.html >> To sum up I have thousands SSTables in one DC and much much less in >> second. I write only to first DC. >> >> Anyway after reading a lot of post/mails/google I start to think that the >> only reason of above is disk problems. >> >> My OpsCenter with some stats is following: >> https://drive.google.com/file/d/0B4N_AbBPGGwLR21CZk9OV1kxVDA/view >> >> My iostats are like this: >> https://drive.google.com/file/d/0B4N_AbBPGGwLTTZEeG1SYkF0cXc/view >> (dm-XX are C* drives. dm-11 is for commitlog) >> >> If You could be so kind and validate above and give me an answer is my >> disk are real problems or not? And give me a tip what should I do with >> above cluster? Maybe I have misconfiguration? >> >> Regards >> Piotrek >> > > > -- > > > >
