F12: Yum - network disconnects spins it's wheels.
Daniel B. Thurman
dant at cdkkt.com
Fri Feb 26 01:36:53 UTC 2010
On 02/25/2010 03:58 PM, Daniel B. Thurman wrote:
> On 02/25/2010 03:53 PM, Ed Greshko wrote:
>
>> Daniel B. Thurman wrote:
>>
>>
>>> On 02/25/2010 03:21 PM, Ed Greshko wrote:
>>>
>>>
>>>
>>>> Daniel B. Thurman wrote:
>>>>
>>>>
>>>>
>>>>
>>>>> Seems to me, that Yum is performing quite
>>>>> badly. I often get network disconnects and Yum
>>>>> keeps spinning after going into 0.0b transfer rates
>>>>> forever and requires a forced kill.
>>>>>
>>>>>
>>>>>
>>>>>
>>>>>
>>>> Ahhh.... If you are getting network disconnects then any application
>>>> yum, firefox, etc. which connects to a remote server would certainly
>>>> suffer. Some apps/protocols may recover better when the network is
>>>> restored.
>>>>
>>>> So, are you saying that in your case the network connection is dropping
>>>> frequently and yum isn't recovering as you'd expect?
>>>>
>>>>
>>>>
>>>>
>>> I am saying specifically with Yum, it somehow loses the connection,
>>> and you can see the transfer rate slowly drop to 0.0b, the ETA
>>> grows ridiculously large and getting larger... and stays that
>>> way "forever", until one kills yum. This disconnect happens
>>> quite often that it takes several yum restarts to complete
>>> the downloads.
>>>
>>>
>>>
>>>> Or....
>>>>
>>>>
>>>>
>>>>
>>>>> Anyone see this problem?
>>>>>
>>>>> I am of course using NetworkManager, and wonder
>>>>> if I should use the old-network connectivity style?
>>>>>
>>>>>
>>>>>
>>>>>
>>>> Are you saying you're having frequent network disconnects, but you don't
>>>> know why, and you are trying to solve that problem?
>>>>
>>>>
>>>>
>>>>
>>> Yes, and I do not know why - seems the other apps are running
>>> fine, AFAIK, unless there is a test that can ram the network hard
>>> to see if it is dropping network connections frequently or not.
>>>
>>> So, I am willing to test the network on F12 to discover if the
>>> problem is mine alone. Could you or someone tell me how
>>> check this out? I had no problems on F9/11 - works fine.
>>>
>>>
>>>
>>>
>> OK, I believe I understand your question a bit better.
>>
>> Since you are able to use firefox, for example, without problem it
>> doesn't appear you have a true network issue. Or, at least, it isn't
>> local to you. If firefox were also giving you grief it would be a
>> different story.
>>
>> Generally I'm having no issues with yum on updates or installs. I did
>> have to add "exclude=.gov, .sg"
>> to my fastestmirror.conf as I use yum-plugin-fastestmirror and have had
>> issues with slow network to Singapore.
>>
>> Are you using yum-plugin-fastestmirror
>>
> Yes. I tried it with and without. Problems are the same. Seems to
> me it is a yum problem, but I am speculating. I am running FF. sendmail,
> DNS, etc.. a LOT of services and I am not seeing any problems. Just
> with yum installs/updates.
>
OK, it seems that when I removed yum-fastestmirror, the problem went away.
Perhaps fastestmirror is not playing nice! I noticed that it was
hard-hitting
the network and perhaps reaches a bandwidth limit and causes breakage?
Dunno.. I think I will stick with this for now.
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