disk slow after resume from suspend
Bug #1468640 reported by
Piyush
This bug affects 2 people
| Affects | Status | Importance | Assigned to | Milestone | |
|---|---|---|---|---|---|
| compiz (Ubuntu) |
Invalid
|
Undecided
|
Unassigned | ||
Bug Description
Installed 15.04 32 bit flavor desktop on Thinkpad W540 and T420
after resume from suspend
>_ dd if=/dev/zero of=/tmp/speed_test bs=10M count=10
10+0 records in
10+0 records out
104857600 bytes (105 MB) copied, 37.8204 s, 2.8 MB/s
to resume to disk speed back
>_ sync; echo 3 | sudo tee /proc/sys/
>_ dd if=/dev/zero of=/tmp/speed_test bs=10M count=10
10+0 records in
10+0 records out
104857600 bytes (105 MB) copied, 0.263862 s, 397 MB/s
mentioned here as well
http://
Revision history for this message
| Stephen M. Webb (bregma) wrote | #1 |
| Changed in compiz (Ubuntu): | |
| status: | New → Invalid |
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It's not clear why you might think the desktop graphics compositing manager might affect the kernel's disk caching policies.