Re: strange guest slowness after some time

[Tomasz Chmielewski <mangoo@wpkg.org>]

David S. Ahern schrieb:

>>>> Could you add a (unused) e1000 interface to your virtio guests?
>>>> As this issue happens rarely for me, maybe you could help to
>>>> reproduce it as well (i.e. if network gets slow on virtio interface,
>>>> give e1000 a IP address, and try if network is also slow on e1000 on
>>>> the very same guest).
>>> Will do and report
>>>> BTW, what CPU do you have?
>>> One dual core Opteron 2212
>>> Note: I will upgrade to two Shanghai Quad-Cores in 2 weeks and test
>>> with those as well.
>> I have this "slowness" on an Intel CPU as well, after about 10 days of
>> guest uptime (using virtio net):
>>
>> processor       : 1
>> vendor_id       : GenuineIntel
>> cpu family      : 6
>> model           : 15
>> model name      : Intel(R) Xeon(R) CPU            3050  @ 2.13GHz

> For the Intel server, the guest is using the e1000 NIC or virtio or
> other? I have a few DL320G5s with this processor; I have not hit this
> problem running rhel3 and rhel4 guests using e1000/scsi devices.

As I mentioned, it was using virtio net.

Guests running with e1000 (and virtio_blk) don't have this problem.


-- 
Tomasz Chmielewski
http://wpkg.org