Horrible load factor

[JD]

On 12/06/2012 02:55 PM, NoOp wrote:
> On 12/06/2012 04:17 AM, Liam Proven wrote:
>> On 6 December 2012 00:28, NoOp <glgxg at sbcglobal.net> wrote:
>>> My guess is that you are experiencing this:
>>> <https://bugs.launchpad.net/ubuntu/+source/apt-xapian-index/+bug/363695?comments=all>
>>> [update-apt-xapian-index uses too much CPU]
>> Why do you blame apt-xapian-index when that isn't in the list of top
>> programs that the OP gave?
>>
> <quote>
> Hi All,
> on Ubuntu 12.10, I clicked on Ubuntu Software Center
> in the apps menu bar on the left, and all of a sudden
> I could get almost no response from the system.
> </quote>
>
> Typically high xorg cpu usage can be caused by client or client-side
> services:
> <https://wiki.ubuntu.com/X/Troubleshooting/HighCPU>
> <https://bugs.launchpad.net/ubuntu/+source/xorg-server/+bug/294972>
> [MASTER: xorg high cpu usage, general system sluggishness]
>
> In this case, update-software and software-center are running.
> software-center/update-software goes out and calls apt-xapian-index.
> This has been known to cause high cpu usage by xorg in the past:
> <https://bugs.launchpad.net/ubuntu/+source/synaptic/+bug/355355>
> [Update Manager causes high Xorg CPU usage when checking for updates]
>
> $ apt-cache rdepends apt-xapian-index
> apt-xapian-index
> Reverse Depends:
>    software-center
>    aptitude
>    synaptic
>    packagekit-backend-aptcc
>    packagekit-backend-apt
>    goplay
>    fuss-launcher
>    ept-cache
>    adept
>    software-center
>    python-apt
>    muon-installer
>    muon
>    aptitude
>
> So my _guess_ is that apt-xapian-index(db) is likely to be the
> underlying issue.
The good thing is that it does not happen very often.
Overall, I find that interactive response time is much
better than I was experiencing with fedora.