oneiric have reached EOL now ; closing that report. Feel free to report
against a newer version if needed, with ubuntu-bug
** Changed in: software-center (Ubuntu)
Status: Confirmed => Invalid
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Sorry my last post was a bit vague as to the triggers for the
bottlenecks.
To follow up my last entry:
the get_mset() calls are actually made in _get_estimate_nr_apps_and_nr_pkgs
which is called from _blocking_perform_search()
These are Triggered by _build_homepage_view in
softwarecenter/ui/gtk
ok, so it seems another big bottleneck in startup is Xapian calls.
Specifically calls to get_mset() these calls take over 4 seconds in
total on my machine.
Most of these calls are made from _blocking_perform_search() in
softwarecenter/db/enquire.py
Again aside from upstream optimizations to Xapi
I've filled my suggested improvement in the debian bug system for apt-
xapian-index I guess its now up to upstream to agree.
http://bugs.debian.org/cgi-bin/bugreport.cgi?bug=689717
** Bug watch added: Debian Bug tracker #689717
http://bugs.debian.org/cgi-bin/bugreport.cgi?bug=689717
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I just couldn't leave this one alone. The cataloged_times is just a dictionary
so there is no real need to use pickle to serialise it. I loaded the file into
python and created a serialise file using msgpack instead.
This reduced the file size from 3.1MB to 1.7MB. I then changed software center
Ok, turns out the xml parsing isn't to bad after all. I tracked this one
all the way back to:
# get cataloged_times
cataloged_times = {}
CF = "/var/lib/apt-xapian-index/cataloged_times.p"
if os.path.exists(CF):
try:
cataloged_times = pickle.load(open(CF))
except Exception as e:
Ran a quick performance test here is the result:
2012-10-04 22:23:11,027 - softwarecenter.performance - DEBUG - _parse_menu_tag:
1.55758905411
2012-10-04 22:23:11,324 - softwarecenter.performance - DEBUG -
cat_parser.parse_applications_menu(): 1.86049294472
So there is definitely over a second
I still have to verify this with actual benchmarking but one place that
looks like it will benefit from optimising is here:
softwarecenter.performance - DEBUG -
cat_parser.parse_applications_menu(): 1.73268795013
The code called is in /softwarecenter/db/categories.py and from a quick
scan over th
Python is not good choice for desktop systems. It's too slow for it.
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Title:
software-center terribly slow, ubuntu freezing
To manage notificatio
It seems with the latest speedup2 code changes in 5.3.14.2 Software
Center gets to main window visible faster but is slower elsewhere. Here
the output from my machine.
timothy@timothy-1005P:~$ software-center --measure-startup-time
2012-10-03 21:31:15,025 - softwarecenter.performance - DEBUG - imp
Running software-center with --measure-startup-time I get the following:
software-center --measure-startup-time
2012-09-08 18:10:08,170 - softwarecenter.performance - DEBUG - opening the
pkginfo: 0.0926611423492
2012-09-08 18:10:08,315 - softwarecenter.performance - DEBUG - opening the
xapiandb:
Nogero, that is obviously a different bug. Please report it separately.
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Title:
software-center terribly slow, ubuntu freezing
To manage notifica
Yes, Ubuntu Software center is horribly slow, inconsistent, hangs,
poorly designed and confusing. The "add-on" section is weird too. If you
click "Aply changes" in the addon section it just goes ahead and starts
installing the software without confirmation. Who designed/wrote this
stuff and how di
Take a Geany for example - clicking on any additional package freezes
Ubuntu Software Center for 30~60 seconds... additionally at that time
compiz and Xorg consumes suspiciously lot of processor time.
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Same here
any clue?
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software-center terribly slow, ubuntu freezing
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Any movement on this.
Is there a reason that it takes so long to be usable?
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Yes, it's really slow.
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Here I use if a i5 2410M, 4 GB of Ram 64bit and takes 12 seconds to
fully load and go.
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Title:
software-center terribly slow, ubuntu freezing
To
>From a cold boot SC takes 15 seconds to be usable. Also installing
software takes much longer than synaptic.
64 bit. AMD athlon 64 x2 dual core 5200+
2 gig ram.
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** Changed in: software-center (Ubuntu)
Status: New => Confirmed
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Title:
software-center terribly slow, ubuntu freezing
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I think the same issue happened in the Bug #556375. and according to the
that bug this bug must be modified before.
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Title:
software-center terrib
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