Re: Couter column family performance problems

2014-05-16 Thread Chris Lohfink
What version are you using? and what consistency level are you using for your inserts? A CL.ONE for instance can end up with a large backup in the replicateOnWrite (or CounterMutation depending on version) stage since it happens outside the feedback loop from the request and can be a little sl

Re: Couter column family performance problems

2014-05-16 Thread Robert Coli
On Mon, May 12, 2014 at 3:03 PM, Batranut Bogdan wrote: > I have a counter CF defined as pk text PRIMARY KEY, a counter, b counter, > c counter, d counter > > Feel free to comment and share experiences about counter CF performance. > Briefly : 1) Counters original version are slow and somewha

Couter column family performance problems

2014-05-13 Thread Batranut Bogdan
Hello all, I have a counter CF defined as pk text PRIMARY KEY, a counter, b counter, c counter, d counter After inserting a few million keys... 55 mil, the performance goes down the drain, 2-3 nodes in the cluster are on medium load, and when inserting batches of same lengths writes take longer