Re: Modeling nested collection with C* 2.0

2016-01-28 Thread Lorand Kasler
Maps and Sets have a hard limit of 65536 elements and you always need to get the full collection even if you are only interested in few elements. They are well suited to denormalize small datasets but above that it is better to use Clustering Columns to model these kind of data. Best, Lorand On T

Read operations freeze for a few second while adding a new node

2016-01-28 Thread Lorand Kasler
Hi, We are struggling with a problem that when adding nodes around 5% read operations freeze (aka time out after 1 second) for a few seconds (10-20 seconds). It might not seems much, but at the order of 200k requests per second that's quite big of disruption. It is well documented and known that