[Opensim-users] Slow handling of POST -

Sat Sep 22 00:22:38 UTC 2012

There are no timeouts on these particular requests, which probably isn't a good thing - OpenSimulator is inconsistent 
when it comes to timeouts.  However, I suspect that's oging to be peripheral to the issue here.

On 20/09/12 11:44, M.E. Verhagen wrote:
> I wonder if there is a timeout on the fetch request ?
> Or are they stacking up and just waiting till they are in the front of the line to be processed ?
>
> 2012/9/20 Justin Clark-Casey <jjustincc at googlemail.com <mailto:jjustincc at googlemail.com>>
>
>     Fetch times of 1068560ms (which is more than 15 minutes!) are pathological - something is wrong.
>
>     In the first case I would suspect an issue with the connection to the OSGrid inventory service.  Either it is being
>     overloaded (OSGrid actually runs multiple copies of the ROBUST inventory service and load-balances between them
>     using Nginx, but perhaps the limits are being hit), things are being massive lagged because of lots of requests
>     hitting the .net default connection limit, as Melanie discussed, or you have a network issue.
>
>     However, I'm a little surprised that the OSGrid Inventory Service request within FetchInventoryDescendents2 isn't
>     making it's own complaint about a long request.  The log message you're seeing does cover the whole of the CAPs call
>     so I suppose there is some chance there's some other cause, though it is a pretty simple capability.
>
>     If you want to see if viewers are doing a lot of inventory fetches, then you can try the command "debug http 3" on
>     the simulator console.  This will show every incoming http request from viewers (and other simulators) and the HTTP
>     URI they are hitting.  Very recent code also has levels 4 and 5 which will log a snippet of the incoming request and
>     the entire request, though you probably don't want to use them for any length of time.
>
>
>     On 14/09/12 11:33, Ai Austin wrote:
>
>
>             From: Melanie <melanie at t-data.com <mailto:melanie at t-data.com>>
>
>             You're using a viewer that fetches the user inventory in the
>             background on login. ...
>             You will need to disable inventory fetch on startup and/or
>             viewerside AO.
>
>
>         Thanks for the explanation Melanie... that sounds like it is the type of problem I am seeing on our add on OSGrid
>         regions... but not on our own Openvue grid whcih essentially runs on identical hardware and with identical
>         network setups.
>
>         I am observing the problem with both LL 3.3.4 and Firestorm/Pheonix 4.2.2...
>
>         I don't have the viewer provided sAO turned on in Firestorm,  but I just looked at all the settings I can find in LL
>         3.3.4 and Firestorm 4.2.2 and cannot see one that refers to http fetching via http.  Although I am sure I have
>         seen this
>         in the past on earlier viewers.  Which Preferences tab is it on?
>
>             From: James Stallings II <james.stallings at gmail.com <mailto:james.stallings at gmail.com>>
>
>             I would recommend (assuming firestorm here) setting both inventory fetch
>             and texture fetch to http in the settings, and making the following changes
>             to opensim.ini:
>             [ClientStack.LindenCaps]
>                  ...
>                  Cap_GetTexture = "localhost"
>                  Cap_GetMesh = "localhost"
>                  ; This is disabled by default. Change if you see fit. Note that
>                  ; serving this cap from the simulators may lead to poor performace.
>                   Cap_FetchInventoryDescendents2 = "localhost"
>                   Cap_FetchInventory2 = "localhost"
>
>
>         Yep, that what I am set to already James.. I just checked. Thanks.
>         _________________________________________________
>         Opensim-users mailing list
>         Opensim-users at lists.berlios.de <mailto:Opensim-users at lists.berlios.de>
>         https://lists.berlios.de/__mailman/listinfo/opensim-users <https://lists.berlios.de/mailman/listinfo/opensim-users>
>
>
>
>     --
>     Justin Clark-Casey (justincc)
>     OSVW Consulting
>     http://justincc.org
>     http://twitter.com/justincc
>
>     _________________________________________________
>     Opensim-users mailing list
>     Opensim-users at lists.berlios.de <mailto:Opensim-users at lists.berlios.de>
>     https://lists.berlios.de/__mailman/listinfo/opensim-users <https://lists.berlios.de/mailman/listinfo/opensim-users>
>
>
>
>
> --
> Groningen en Hannover Opensims: secondlife://meverhagen.nl:8002:Hannover ZW/
>
>
> _______________________________________________
> Opensim-users mailing list
> Opensim-users at lists.berlios.de
> https://lists.berlios.de/mailman/listinfo/opensim-users
>

-- 
Justin Clark-Casey (justincc)
OSVW Consulting
http://justincc.org
http://twitter.com/justincc