Welcome on the forums.
Based on your screen capture your computer is far from idle, ~20 Mbits/s Read, any idea what that is?
NVME write wear…
- How long do you have the NVME?
- Can you check the “Percentage Used” used using “smartctl -a” for the NVME(s) you have?
Please check these things first and preferably report them here.
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If you are on BTRFS and KDE there is or used to be a insane bug with Baloo the KDE file index service. It would basically never stop indexing and create crazy IO on my SSD’s.
Maybe thats something you can look into. KDE knows about the bug and i dont know if it got fixed yet.
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The wiops seems par for the course, the constant riops OTOH is a cause for concern, but at least it won’t take years off your SSD’s lifespan compared to wiops.
In iotop, you should sort by disk read and not write to find the culprit.
Newer versions of htop has an I/O tab that I find more pleasing to look at.
Selecting a process in btop would show you its I/O activity as well.
If the problem is intermittent, you might want to install sysstat to get an overall read on the situation. Enable metrics collection using systemctl enable --now sysstat.
Read stats using sar <-b | -u>
thanks guy, really appreciate your responses which helped a ton. i sorted iotop by disk read which show Zero current disk read but system monitor shows around constant 20 mbps read which is puzzling to me. this is intermittent and goes away after relogging in. yes i am on btrfs and kde, will check for this bug.
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