Dear Community, could you point me to resources on Jena performance optimization?
I found this excellent presentation [1] covering a lot of interesting topics but I'm not sure how up-to-date it might be. I also read the Jena docs which gave me some hints but also created some confusion. My main areas of interest are: 1. How to make complex INSERT WHERE statements faster? Does statistic based optimization work for them? Why is there no --explain function for them? Would CONSTRUCTs be faster? 2. optimization methods (fixed vs. stats) - which is a default one? how to run tdbstats against running Fuseki server? how to run tdbstats on a database with triples in multiple named graphs (I have to use separate named graphs and I can't use default union graph) Thanks, Piotr [1] https://events.static.linuxfound.org/sites/events/files/slides/SPARQL%20Optimisation%20101%20Tutorial.pdf
