Public bug reported:

I created the user's home directory on the computer's mechanical hard drive, 
but the user's login speed is very slow, and the speed of viewing the file 
content in the desktop environment is slow. At the same time, I tested the hard 
disk read speed:
 hdparm -Tt /dev/sdb
/dev/sdb:
 Timing cached reads:   23962 MB in  2.00 seconds = 11993.56 MB/sec
 Timing buffered disk reads: 456 MB in  3.00 seconds = 151.78 MB/sec
There is no problem with the read speed of the hard disk.
And when I have a lot of data exchange while running a python program, the 
speed used to be 3s, but now it suddenly becomes 30-50s.
The above is when my computer is running well.

** Affects: nautilus (Ubuntu)
     Importance: Undecided
         Status: New

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https://bugs.launchpad.net/bugs/1955001

Title:
  File reading speed is slow

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