540 reputation
21228
bio website
location
age
visits member for 5 years, 5 months
seen Nov 14 at 10:42

Nov
11
accepted Ubuntu Server 14.04 in VirtualBox: disk performance drops with more than 1 CPU
Nov
11
answered Ubuntu Server 14.04 in VirtualBox: disk performance drops with more than 1 CPU
Nov
7
revised Ubuntu Server 14.04 in VirtualBox: disk performance drops with more than 1 CPU
remove wrong link
Nov
7
revised Ubuntu Server 14.04 in VirtualBox: disk performance drops with more than 1 CPU
Added iostat
Nov
6
revised Ubuntu Server 14.04 in VirtualBox: disk performance drops with more than 1 CPU
Added vmstat
Nov
6
comment Ubuntu Server 14.04 in VirtualBox: disk performance drops with more than 1 CPU
@harrymc thanks, I tried that already, makes no difference. I updated the question, thanks. But your mention of a driver/bug makes me curious. Unfortunately I lack the kernel knowledge but would love to dig deeper, any pointers for me?
Nov
6
revised Ubuntu Server 14.04 in VirtualBox: disk performance drops with more than 1 CPU
Added things I tested
Nov
6
comment Ubuntu Server 14.04 in VirtualBox: disk performance drops with more than 1 CPU
@harrymc added the RAM (2GB); arch is 64bit but that was already there.
Nov
6
revised Ubuntu Server 14.04 in VirtualBox: disk performance drops with more than 1 CPU
Added HW specs, host/guest
Nov
6
awarded  Promoter
Nov
3
asked Ubuntu Server 14.04 in VirtualBox: disk performance drops with more than 1 CPU
Oct
24
awarded  Famous Question
Sep
10
awarded  Notable Question
Jul
7
answered How to investigate runlevel initialization?
Jul
2
awarded  Curious
Mar
16
awarded  Notable Question
Jan
14
awarded  Popular Question
Jan
12
awarded  Notable Question
Jan
7
awarded  Notable Question
Jan
5
awarded  Nice Question