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Date: | Fri, 10 Feb 2006 06:48:48 -0500 |
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Compiling is fast today. Back to normal so it may have been some
problem at some site !!!
> Joe,
>
> Jaime did a traceroute on the issues. Somehow, we have a very high
> latency to foyer1.osc.edu.
>
> Jaime's traceroute reveals couple more things.
>
> Everytime we run Intel compiler it would check the license.
> I'm not sure if when running the code which dynamic link intel
> libraries would make it connect to the OSC as well.
>
> Jaime found that out when running Intel compiler is extremely slow.
> Dave Woods suggested that it could be
> latency issues to foyer1.osc.edu.
>
> Thanks,
> Robin
>
> Begin forwarded message:
>
>> From: "Jaime E. Combariza" <[log in to unmask]>
>> Date: February 9, 2006 9:45:56 PM EST
>> To: [log in to unmask]
>> Subject: Re: one for network people more ...
>> Reply-To: Research Computing Support <[log in to unmask]>,
>> "Jaime E. Combariza" <[log in to unmask]>
>>
>> And this is traceroute: What is 199.18.164.145. Is this OARNET?
>>
>>
>>
>> {57}{9:38pm} <mulnx31.hpc.muohio.edu|Colombia|combarje> % traceroute
>> ipf-login1.osc.edu
>> traceroute to ipf-login1.osc.edu (192.148.248.84), 30 hops max, 46
>> byte
>> packets
>> 1 134.53.13.158 (134.53.13.158) 0.295 ms 0.262 ms 0.239 ms
>> 2 hythubrou004-2.muohio.edu (134.53.2.105) 0.237 ms 0.198 ms
>> 0.239 ms
>> 3 hythubrou103-2.muohio.edu (134.53.13.249) 0.740 ms 0.628 ms
>> 0.615 ms
>> 4 199.18.164.145 (199.18.164.145) 3412.271 ms 3448.622 ms
>> 3520.379 ms
>> 5 cncnc-r0-ge7-1s371.core.oar.net (199.18.164.1) 3463.553 ms
>> 3366.096
>> ms 3126.710 ms
>> 6 clmbn-r0-po0-0.core.oar.net (199.18.145.34) 3101.244 ms
>> 3197.685 ms
>> 3215.802 ms
>> 7 clmbn-r1-po3-0.core.oar.net (199.18.145.2) 3242.432 ms
>> 3305.142 ms
>> 3465.040 ms
>> 8 clmbo-r0-ge-0-0-0s302.bb.oar.net (199.18.152.33) 3498.046 ms
>> 3605.708 ms 3625.308 ms
>> 9 osc-r0-ge-1-3-0s68.bb.oar.net (199.18.22.6) 3615.320 ms
>> 3701.770 ms
>> 3609.961 ms
>> 10 osc-r2-vl65.cpe.oar.net (192.153.41.10) 3898.805 ms 3910.166 ms
>> 3465.404 ms
>> 11 ipf-login1.osc.edu (192.148.248.84) 3529.371 ms 3372.592 ms
>> 3318.603 ms
>>
>>> please forward to Joe Simpson, I do not have his email handy.
>>>
>>> from unixgen.muohio.edu ( ~ 4 sec)
>>>
>>> $
>>> $ ping -s foyer2.osc.edu
>>> PING foyer2.osc.edu: 56 data bytes
>>> 64 bytes from foyer2.osc.edu (192.148.248.53): icmp_seq=0.
>>> time=4057. ms
>>> 64 bytes from foyer2.osc.edu (192.148.248.53): icmp_seq=1.
>>> time=4137. ms
>>> 64 bytes from foyer2.osc.edu (192.148.248.53): icmp_seq=2.
>>> time=4147. ms
>>>
>>>
>>> From redhawk (similar results)
>>> <mulnx31|combarje> % ping foyer2.osc.edu (~ 3sec)
>>> PING foyer2.osc.edu (192.148.248.53) 56(84) bytes of data.
>>> 64 bytes from foyer2.osc.edu (192.148.248.53): icmp_seq=0 ttl=244
>>> time=2990 ms
>>> 64 bytes from foyer2.osc.edu (192.148.248.53): icmp_seq=1 ttl=244
>>> time=2968 ms
>>>
>>>
>>> From a machine at Arizona: a lot faster??????????
>>>
>>> <dyer.rc.arizona.edu|Colombia|jaimeco> % ping -s foyer2.osc.edu
>>> PING foyer2.osc.edu: 56 data bytes
>>> 64 bytes from foyer2.osc.edu (192.148.248.53): icmp_seq=0.
>>> time=45. ms
>>> 64 bytes from foyer2.osc.edu (192.148.248.53): icmp_seq=1.
>>> time=44. ms
>>>
>>>
>>>
>>>
>>>
>>>
>>>
>>>> David Woods wrote:
>>>>
>>>>> I'm wondering if we are seeing the lag to access the network
>>>>> license at
>>>>> OSC.
>>>>>
>>>>> I tried the 8.1 compilers, which aren't on the Ibrix file
>>>>> system, and it
>>>>> is also slow. When I ping foyer2.osc.edu, which is their license
>>>>> server,
>>>>> the time lag is almost 4 seconds. If this happens a couple of
>>>>> times
>>>>> when
>>>>> the compiler is used, this could explain why the compilers seem
>>>>> so slow.
>>>
>>>
>>> --
>>> Jaime E. Combariza
>>> Assistant Director Research Computing
>>> Academic Technology Services
>>> [log in to unmask]
>>> (513) 529-5080
>>> Miami University
>>> Oxford, Ohio 45056
>>>
>>
>>
>> --
>> Jaime E. Combariza
>> Assistant Director Research Computing
>> Academic Technology Services
>> [log in to unmask]
>> (513) 529-5080
>> Miami University
>> Oxford, Ohio 45056
>
>
--
Jaime E. Combariza
Assistant Director Research Computing
Academic Technology Services
[log in to unmask]
(513) 529-5080
Miami University
Oxford, Ohio 45056
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