[Bug 282704] KDE 4.7 is very slow on ext3 root partition

[Jaime Torres]

https://bugs.kde.org/show_bug.cgi?id=282704


Jaime Torres <jtamate at gmail.com> changed:

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--- Comment #6 from Jaime Torres <jtamate gmail com>  2011-11-04 12:40:43 ---
Do you have /var/tmp in the root partition?
There is where most of the temporary data of the kde session is stored.
I'm just guessing..could this be the reason?

Possible WorkAround.... to mount /var/tmp as a tmpfs.

But let's try to isolate the problem:

within an open konsole, let's quit plasma and start it with strace.

>kquitapp plasma-desktop
(probably you must write this 3 or more times until there is no more plasma)
>strace -f -r -o plasma.strace.log -e trace=open,close,read,write,stat plasma-desktop
Wait some time, to let the strace calm down, then use the lancelot launcher
>kquitapp plasma-desktop
(to stop stracing plasma)
>plasma-desktop
(to work normally)
Doing this in the two filesystems could be possible to know if the file
operations take longer in ext3 than ext4 or if there are a lot of not needed
file operations.
If the file plasma.strace.log is quite big, keep only the lancelot part.

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