update-apt-xapi --- not nice!

Discussion in 'all things UNIX' started by vasa1, Nov 15, 2011.

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  1. vasa1

    vasa1 Registered Member

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    When this commands runs it hogs CPU up to 100%. It happens to me on Ubuntu 11.10 and has been known to happen to others.

    I found two "fixes":
    http://naveenubuntu.blogspot.com/2011/10/ubuntu-update-apt-xapi-takes-lot-of-cpu.html
    and
    http://sapnwnewbie.blogspot.com/2010/11/high-cpu-usage-by-update-apt-xapi.html

    Comments, anyone?

    PS: I still have Synaptic as a carry-over from 11.04 because I upgraded. People who did a clean 11.10 install may not have Synaptic unless they subsequently installed it.
     
  2. linuxforall

    linuxforall Registered Member

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    This issue is intense in my poor AMD C50 Netbook where the CPU gets taxed tgo 100% for a brief moment, however its no sweat for my i7 laptop or dual Xeon desktop.
     
  3. vasa1

    vasa1 Registered Member

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  4. vasa1

    vasa1 Registered Member

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    This POS seems to fire every Monday (at least). It ran for about 1 min 15 sec. I really don't like it!
     
  5. vasa1

    vasa1 Registered Member

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    Here's a link to a bug that implies that removing it doesn't end the world. And the good news is that it may not be present in 12.04 (according to a comment in the bug)!
     
  6. vasa1

    vasa1 Registered Member

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    But I think I saw it today :(
     
  7. iceni60

    iceni60 ( ^o^)

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    hi, i had the same problem. i checked to see which fix i used, as update-apt-xapi runs very smoothly now. the fix i used was editting /etc/cron.weekly/apt-xapian-index

    Code:
    #!/bin/sh
    
    CMD=/usr/sbin/update-apt-xapian-index
    
    # ionice should not be called in a virtual environment
    # (similar to man-db cronjobs)
    egrep -q '(envID|VxID):.*[1-9]' /proc/self/status || IONICE=/usr/bin/ionice
    
    # Check if we're on battery
    if which on_ac_power >/dev/null 2>&1; then
        on_ac_power >/dev/null 2>&1
        ON_BATTERY=$?
    
        # Here we use "-eq 1" instead of "-ne 0" because
        # on_ac_power could also return 255, which means
        # it can't tell whether we are on AC or not. In
        # that case, run update-a-x-i nevertheless.
        [ "$ON_BATTERY" -eq 1 ] && exit 0
    fi
    
    # Rebuild the index
    if [ -x "$CMD" ]
    then
        if [ -x "$IONICE" ]
        then
            nice -n 19 $IONICE -c 3 $CMD --quiet
        else
            nice -n 19 $CMD --quiet
        fi
    fi
    NOTE this is on "Linux Mint 12 Lisa"
     
  8. vasa1

    vasa1 Registered Member

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    Hi & thanks. I will look at that. BTW, it doesn't look like having Synaptic installed or not is a factor. This is a totally clean 12.04 install, new /home new everything which doesn't have Synaptic.
     
  9. iceni60

    iceni60 ( ^o^)

    Joined:
    Jun 29, 2004
    Posts:
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    well, i don't know it seems if i read my linux posts from 5 years a go i knew what i was doing, now i'm at noob level lol. i tried these commands to no avail
    Code:
    sudo apt-cache show update-apt-xapi
    sudo apt-cache depends update-apt-xapi
    sudo apt-rdepends update-apt-xapi
    sudo debtree update-apt-xapi
    what makes me more depressed is Mrk and i started using linux at about the same time and i bet he comes a long with the right answer lol. still, i have vowed to start getting fit and reading a linux book every 2 weeks, so Mrk better watch his back :D
     
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