Undiscovered heavy disk activity on Ventura...???

My Ventura install is thrashing the SATA SSD where it is installed. I have disabled Spotlight indexing, quit all background tasks... opened Activity Monitor, and the macOS boot drive seems to be constantly reading at 30-40 MB/sec. I wouldn't mind this if it were actually doing something, but Activity Monitor showed only archive.service using an appreciable amount of disk activity (about 14GB) and nothing at all of interest running or using any CPU.

I have temporarily switched back to Mojave, where my drive is perfectly quiet when idle.

Anyone have any ideas???

submitted by /u/themacmeister1967
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