We are trying to render a volumetric galaxy, but /tmp/houdini_temp/usd_renders/ directories are filling up on worker nodes on our render farm and our render jobs are failing.
It appears that Karma USD renders that include VDBs leave a copy of the VDBs in the /tmp/houdini_temp/usd_renders/<jobSubDir>.
The USD Render ROP/Usd/Delete USD Files menu defaults to Delete if Saved to Temp Directory
Please find attached a simplified example.
There are 2 USD render ROP lops.
One renders the polygonal version of Crag.
This renders and then deletes the /tmp/houdini_temp/usd_renders/<jobSubDir>
So far so good.
However, the other USD render ROP renders the VDB version of Crag.
This leaves a copy of the VDB in /tmp/houdini_temp/usd_renders/<jobSubDir>.
The post-render clean-up deletes the USD files, but does not delete the /tmp/houdini_temp/usd_renders/<jobSubDir> dir, as the VDB is still in there.
I'm assuming this is a bug?
In the meantime, we'll try to write our own post-render script that more aggressively deletes /tmp/houdini_temp/usd_renders/<jobSubDir>
Thanks
VDBs left behind in /tmp/houdini_temp/usd_renders/
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