Re: DataSourceV2 community sync #3

2018-11-28 Thread Xiao Li
Based on my understanding, we are not inventing anything new here. Basically, we are building a federated database system especially after we supporting multiple catalog. There are many mature commercial products in the market. For example, https://www.ibm.com/support/knowledgecenter/en/SSEPGG_10.5

Re: DataSourceV2 community sync #3

2018-11-28 Thread Wenchen Fan
Hi Ryan, Thanks for hosting the discussion! I think the table catalog is super useful, but since this is the first time we allow users to extend catalog, it's better to write down some details from end-user APIs to internal management. 1. How would end-users register/unregister catalog with SQL AP

Re: A survey about IP clearance of Spark in UC Berkeley for donating to Apache

2018-11-28 Thread Mark Hamstra
Your history isn't really accurate. Years before Spark became an Apache project, the AMPlab and UC Berkeley placed the Spark code under a 3-clause BSD License and made the code publicly available. Later, a group of developers and Spark users from both inside and outside Berkeley brought Spark and t