Is Clerezza leaking memory?

[Minto van der Sluis]

Hi, I just ran into some peculiar behavior. For my current project I have to import 633 files each containing approx 20 MB of xml data (a total of 13 GB). When importing this data into a single graph I hit an out of memory exception on the 7th file. Looking at the heap I noticed that after restarting the application I could load a few more files. So I started looking for the bundle that consumed all the memory. It happened to be the Clerezza TDB Storage provider. See the following image (GC = garbage collection): Looking more closely I noticed that Apache Jena is able to close a graph (graph.close()) But Clerezza is not using this feature and is keeping the graph open all the time. How best to tackle this performance issue? Regards, Minto -- ir. ing. Minto van der Sluis Software innovator / renovator Xup BV Mobiel: +31 (0) 626 014541