[volunteergrid2-l] [ej3fw] connection timeouts

[Jody Harris]

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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