[K12OSN] Poor performance woes
monteslu at cox.net
Wed Sep 21 18:31:10 UTC 2011
I have a vague recollection of firefox using more client ram than it
should have a few years back that cause me grief.
Definitely give Chrome a shot and see if performance gets better.
Jeff Siddall wrote:
> On 09/20/2011 03:18 PM, Jomegat wrote:
>> When he loads the web page - with no flash in it that I can find - the
>> network maxes out at 12MiB/sec, and it takes an eternity for the page to
>> load. He reports that sometimes this particular page will cause the TC
>> to crash (black screen with text followed by login screen), but he was
>> not able to reproduce that while I was there. I suspect there is some
>> user error involved in the crash scenario, but it will be difficult to
> Unfortunately there are some cases where LTSP just doesn't work well.
> silly with the display and sending raw display updates across the LAN
> is killing things.
> You can probably get around the problem of that one page by running
> the browser as a localapp, but of course then there is no flash for
> that user.
> That being said, there are a few things you can do:
> 1. Try a different browser (ex: chrome). It may work better and it
> would allow you to run a dual browser (ex: firefox as a localapp and
> chrome as a native). If the users will put up with it tell them to
> run flash sites in Chrome and all others in Firefox. Ugly for sure
> but may work for the few exception cases you are running into.
> 2. Fire up one of those clients as a Windoze machine and load a flash
> page to show that Windows on your clients is a non-option.
> 3. Try installing more RAM in one client and see if it works any
> better on the problem page. That should confirm/deny the running out
> of RAM question. Also, that will allow you to try installing flash in
> the chroot and see if the performance is acceptable. Maybe you can
> add some RAM to your clients and successfully run them all with
> localapp browsers.
> 4. If they are going to upgrade the PCs anyway, try to convince them
> to order them diskless initially and run either LTSP with localapps or
> something like DRBL. If nothing else they save admin time/effort vs.
> any Windows option plus the cost of all the hard drives and Windoze
> licenses in the clients. They can still add drives and Windoze after
> if it doesn't work.
> Good luck!
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