[volunteergrid2-l] [ej3fw] connection timeouts

[Billy Earney]

Yes,  we can always change it back, if we don't like the results. :)

On Mon, Mar 26, 2012 at 10:01 PM, Jody Harris <jharris at harrisdev.com> wrote:

> Okay, "vote" time:
>
> Are we going to add the timeout setting to the recommended configuration?
> Yes?
> No?
>
> j
> ----
> Ph. 575-208-4567
> - Think carefully.
>
>
>
> On Mon, Mar 26, 2012 at 8:55 PM, Shawn Willden <shawn at willden.org> wrote:
>
>> FYI, I've been uploading all day with no problems.  I'm not getting the
>> high data rates (~300 KBps) that I got last year when the grid was smaller,
>> but they're still quite reasonable (~100 KBps) and I think they're probably
>> a result of the greater geographic diversity we've achieved -- which is a
>> good tradeoff!
>>
>>
>> On Mon, Mar 26, 2012 at 10:23 PM, Steve Dodson <steve.dodson at gmail.com>wrote:
>>
>>> Thanks Brian for looking into this!  The timeout config has been added
>>> to both rhp99 and hiro
>>>
>>>
>>> On Mon, Mar 26, 2012 at 9:00 AM, Iantcho Vassilev <ianchov at gmail.com>wrote:
>>>
>>>> timeout.keepalive=120 added
>>>>
>>>>
>>>> Great work :)
>>>>
>>>> Iantcho
>>>>
>>>>
>>>> On Mon, Mar 26, 2012 at 17:28, Shawn Willden <shawn at willden.org> wrote:
>>>>
>>>>> Great work, Brian!
>>>>>
>>>>> I've added the keepalive to my configuration.  I'll watch it for a bit
>>>>> to see if the behavior looks good.
>>>>>
>>>>>
>>>>> On Sun, Mar 25, 2012 at 11:40 PM, Brian Warner <warner at lothar.com>wrote:
>>>>>
>>>>>>
>>>>>> I did some brief digging this afternoon, uploading small files and
>>>>>> watching with a packet sniffer. I was connected to 15 out of 17
>>>>>> servers
>>>>>> (all but ianchov's [aty4r] and slush-backup's [2na4j]).
>>>>>>
>>>>>> One thing I observed was that my connection to stercor's server
>>>>>> (ej3fw)
>>>>>> was dropping and reconnecting about once every 16 minutes. I noticed
>>>>>> this by looking at the "Since" column on the welcome page's server
>>>>>> list:
>>>>>> it shows a timestamp of a few seconds after node reboot for most
>>>>>> servers, but that one server showed a fairly recent timestamp,
>>>>>> changing
>>>>>> every once in a while.
>>>>>>
>>>>>> I think I figured it out, and have a workaround (as well as notes on
>>>>>> tools to build to help diagnose the issue more easily). I'll write a
>>>>>> longer letter to the tahoe-dev list with the details, so everyone can
>>>>>> see them. For VG2's purposes, my advice is to do at least one of:
>>>>>>
>>>>>>  1: add [node]timeout.keepalive=120 to all client's tahoe.cfg
>>>>>>  2: have stercor add timeout.keepalive=120 to the server's tahoe.cfg
>>>>>>  3: have stercor reconfigure the NAT/router box to increase the
>>>>>> timeout
>>>>>>    for "idle" TCP connections to at least 10 minutes (it currently
>>>>>>    might be set to more like 5 minutes)
>>>>>>
>>>>>> I this this might explain a few problems, but I've certainly seen
>>>>>> others
>>>>>> that this doesn't account for. I'll keep digging.
>>>>>>
>>>>>> cheers,
>>>>>>  -Brian
>>>>>> _______________________________________________
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>>>>>>
>>>>>
>>>>>
>>>>>
>>>>> --
>>>>> Shawn
>>>>>
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>>>>>
>>>>
>>>>
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>>>
>>>
>>>
>>> --
>>> soli Deo gloria,
>>>
>>> Steve Dodson
>>>
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>>
>>
>>
>> --
>> Shawn
>>
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>
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