What is the advantage to doing that as opposed to using Jena's built-in in-memory dataset?
ajs6f > On Dec 15, 2018, at 3:04 AM, Siddhesh Rane <[email protected]> wrote: > > Bring the entire database in RAM. > Use "vmtouch <database location>" > Get vmtouch from https://hoytech.com/vmtouch/ > > I had used jena for 150M triples and my performance findings are documented > at > https://lists.apache.org/thread.html/254968eee3cd04370eafa2f9cc586e238f8a7034cf9ab4cbde3dc8e9@%3Cusers.jena.apache.org%3E > > Regards, > Siddhesh > > On Fri, 7 Dec 2018, 8:23 pm [email protected] <[email protected] wrote: > >> Dear jena, >> I have built a graph with 1.4 billion triples and store it as a data set >> in TDB through Fuseki upload system. >> Now, I try to make some sparql search, the speed is very slow. >> >> For example, when I make the sqarql in Fuseki in the following, it takes >> 50 seconds. >> How can I improve the speed? >> ------------------------------ >> Best wishes! >> >> >> 胡云苹 >> 浙江大学控制科学与工程学院 >> 浙江省杭州市浙大路38号浙大玉泉校区CSC研究所 >> Institute of Cyber-Systems and Control, College of Control Science and >> Engineering, Zhejiang University, Hangzhou 310027,P.R.China >> Email : [email protected] <[email protected]>;[email protected] >> >>
