[CentOS] Question about aspell, alpine and a Xen guest

Scot P. Floess sfloess at nc.rr.com
Mon Nov 9 14:11:05 UTC 2009

Answers inline below...

> On Fri, Nov 06, 2009 at 08:39:06AM -0500, Scot P. Floess wrote:
>> I have some weird behavior I can't explain...  I've noticed this behavior
>> since CentOS 5.2 (version I started running) through 5.4...
>> I am running a Xen host/VM.  On my guest VM, I use Alpine as my email
>> client and Aspell as the spell-check...  For whatever reason, when Aspell
>> is kicked off - there appears to be what I'd call a prolonged pause before
>> Aspell does its job.  Should I run Alpine on bare metal (even on the host
>> OS) - there is no pause whatsoever.
>> The pause is so bad, I've stopped using Alpine in the VM and just running
>> on the host OS itself.
>> Its really not a big deal, but I can't figure out what or why there is a
>> difference.  Initially I thought it might be an issue with the amount of
>> RAM I give the guest OS - I've tried from 256 MB to 768 MB - the pause is
>> the same :(
>> Any help or anything I can look at to figure this out - is greatly
>> appreciated!
> What kind of pause is that? How long?

So, I can see aspell kicking off...and nothing...for a good 30 - 60 
seconds anyway...

> Do you have DNS properly configured in the guest? Does network function
> at full speed from the guest?

Yep, DNS works fine...if I run bare metal - no issues.  Oddly enough 
Fedora 9 xen guest runs it fine too..

> Any errors in the logs on the guest? how about dom0?

Nope, nothing in the logs on the guest nor dom0...

> -- Pasi
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Scot P. Floess
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