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Hi, I've seen a few topics on this subject, but none actually solved the issue in the end. So here's the problem: I'm writing out a flip mesh (vdb) to disk (using the rop output driver), and the first 1-2 frames go just fine (takes +- 3 min per frame). Of course Houdini uses a lot of RAM for this, but the problem is that it doesnt flush it after its finished writing out a frame. The cache stays, and houdini doesnt free up the memory, causing the whole computer to slow down (it then takes like 3 hours to write out 1 frame!). Is there a way to clear the node cache/memory after cooking a frame?flushing the cache from the cache manager isn't really possible (since I'd need to stop the writing after every frame). After i stop the writing, the memory only frees up again after I actually close houdini. p.s. I have an AMD FX8320, with 12GB RAM and a weta digital 3TB green HDD. Using houdini 13, on windows 7.