High disk I/O in kworker

Hello. Recently I was bothered by the constant sound of high usage of my disk. I used iotop and got such results:
I’ve already killed all programs that are remotely close to disk usage. I don’t know where to look at. lsof was not useful to me.
I also haven’t found anything suspicious in htop. Please help me to find the reason of high disk I/O.

Edit: replaced screenshots with links. After several hours the load dropped and I can’t reproduce the same results for commands on screenshots.

$ free --human 08:55:23
total used free shared buff/cache available
Mem: 15Gi 4,2Gi 7,1Gi 420Mi 4,3Gi 10Gi
Swap: 0B 0B 0B

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Check if baloo is running. You can try to disable file indexing in system settings to test if it is baloo.

I checked for baloo process load in htop immediately and didn’t find it while sorted by CPU. Last time I had a similar problem it was the solution.

P.S.: I also checked out “Also index file content” to have peace of mind after the load died out.

After several hours the load dropped and I can’t reproduce the problem.

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