Re: Standalone cluster node utilization

2016-07-14 Thread Zhou (Joe) Xing
i have seen similar behavior in my standalone cluster, I tried to increase the number of partitions and at some point it seems all the executors or worker nodes start to make parallel connection to remote data store. But it would be nice if someone could point us to some references on how to ma

Re: Matrix Factorization Model model.save error "NullPointerException"

2016-07-12 Thread Zhou (Joe) Xing
Anyone may have an idea on what this NPE issue below is about? Thank you! cheers zhou On Jul 11, 2016, at 11:27 PM, Zhou (Joe) Xing mailto:joe.x...@nextev.com>> wrote: Hi Guys, I searched for the archive and also googled this problem when saving the ALS trained Matrix Factorization

Matrix Factorization Model model.save error "NullPointerException"

2016-07-11 Thread Zhou (Joe) Xing
Hi Guys, I searched for the archive and also googled this problem when saving the ALS trained Matrix Factorization Model to local file system using Model.save() method, I found some hints such as partition the model before saving, etc. But it does not seem to solve my problem. I’m always getti