Re: CL1 and CLQ with 5 nodes cluster and 3 alives node

2013-07-23 Thread aaron morton
I really don't think I have more than 500 million rows ... any smart way to count rows number inside the ks? use the output from nodetool cfstats, it has a row count and bloom filter size for each CF. You may also want to upgrade to 1.1 to get global cache management, that can make things

R: Re: CL1 and CLQ with 5 nodes cluster and 3 alives node

2013-07-22 Thread cbert...@libero.it
Hi Aaron, thanks for your help. If you have more than 500Million rows you may want to check the bloom_filter_fp_chance, the old default was 0.000744 and the new (post 1.) number is 0.01 for sized tiered. I really don't think I have more than 500 million rows ... any smart way to count rows

Re: Re: CL1 and CLQ with 5 nodes cluster and 3 alives node

2013-07-22 Thread Nate McCall
Do you have a copy of the specific stack trace? Given the version and CL behavior, one thing you may be experiencing is: https://issues.apache.org/jira/browse/CASSANDRA-4578 On Mon, Jul 22, 2013 at 7:15 AM, cbert...@libero.it cbert...@libero.it wrote: Hi Aaron, thanks for your help. If you have

Re: CL1 and CLQ with 5 nodes cluster and 3 alives node

2013-07-21 Thread aaron morton
I'm experiencing some problems after 3 years of cassandra in production (from 0.6 to 1.0.6) -- for 2 times in 3 weeks 2 nodes crashed with OutOfMemory Exception. Take a look at how many rows you have and the size of the bloom filters. You may have grown :) If you have more than 500Million

CL1 and CLQ with 5 nodes cluster and 3 alives node

2013-07-18 Thread cbert...@libero.it
Hi all, I'm experiencing some problems after 3 years of cassandra in production (from 0.6 to 1.0.6) -- for 2 times in 3 weeks 2 nodes crashed with OutOfMemory Exception. In the log I can read the warn about the few heap available ... now I'm increasing a little bit my RAM, my Java Heap (1/4 of