On 2010-02-18 03.07, Stanislav Muhametsin wrote:
I ran to this same issue myself a couple days ago. Well, my issue is
regarding strictly to creating of entities. I'm not sure about deleting,
as it seems that it gets stuck at
41188 [main] INFO org.openrdf.sail.nativerdf.NativeStore - Waiting for
active connections to close before shutting down...
for indefinite amount of time whenever I shut down - maybe I should have
waited even longer. Actually came to think about it, this might be
exactly that - the other thread is doing deleting, which is taking huge
amount of time, and when shutdown is initated from another thread, it
waits till that gets completed - apparently a very long time.
The problem manifested itself already with couple thousand entities or
so. And that wasn't even a fairly large usecase in our project. Of
course I might need to re-work on architecture a bit and maybe turn
those entities into value-composites or something.
One important question: are you trying to create thousands of entities
in one UnitOfWork? How many? And delete?
I would *strongly* suggest that you don't create/delete more than say a
thousand entities per UnitOfWork, due to memory usage.
Also, are you using native or memory repository?
/Rickard
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