Server

Havok Collision Points

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For some time people have been fighting with getting roads to work well in Second Life. The subject came up again this week. Andrew Linden gave us some information that may help some work around the problem:

It [the road seam bounce] is a really hard problem to fix… it is a basic quirk of the physics engine. It might be fixable with careful content workarounds, but it is very hard for us to fix by tweaking vehicles any further.

I don’t know the best way to work-around the seam jump. I’m guessing that you could add a “transition slope” at the edge of the roads pieces that drop down, and overlap the meshes there.

What happens is that the physics engine will produce collision points between the car and some surfaces that are “behind” others … if they are on distinct objects.

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#SL News Week 35

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Server Updates

All of the software packages running in the release channels had problems. So, there was no roll to the main channel. The main channel will continue to run the same software as lat week.

Release Channels

Blue Steel and Magnum will continue to run last week’s packages with some additional big fixes.

Stacked Physical Cubes
Stacked Physical Cubes

Le Tigre is going to get a revised server maintenance package.

It seems there was a security patch in the previous week that caused problems for all the release channels and is the reason none are being promoted this week. Tomorrow it will be isolated into the Le Tigre package… I think isolated. It’s a security thing so the Lindens aren’t talking.

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#SL News Update Week 34

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First… there will be no MetaReality podcasts until September 24th, due to RL problems and RL work load. So, I doubt we will see an update on the Mesh Defomer before then. 🙁

SL Support

If you use a Third Party Viewer (TPV), Second Life™ support can be really annoying. There are viewer problems and server side problems. If it is a server side problem, it really doesn’t matter which viewer you are using. Support should help out and get the problem fixed regardless of the viewer being used. That idea is taking root at the Lab.

Scripting-Server UG August 2012

Now that the MAJORITY of viewers in use are TPV’s, this problem is a significant pain. A process is starting to change that and hopefully reduce the problem. BUT… and this is a big butt… er but… first level support people have a hard time figuring out what are viewer and server side problems. So, some work is going into developing processes to help them decide.

To understand what is happening and what to expect one has to understand the problems support people face. One problem is the Lab’s support people are not trained in how to use or help with TPV’s. That would drive the support training costs and time requirements beyond anything reasonable. If only some TPV’s were supported to reduce cost and time required, there would be a load of drama about which viewers were selected. So, that means an all or nothing approach. It is going to come down on the nothing side.

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#SL News Week 33

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Bandwidth

Bandwidth is a problem right now. Those using capped services and those having ISP’s with a strict abuse ToS are supposedly running into problems.

Server & Scripting 8/2012

The Magnum release channel seems to suffer the most. The worst case is when approaching the SW corner of a region that has 3 adjacent regions. Large draw distance aggravate the problem.

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#SL Server News Week 32

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There isn’t a lot of news yet this week. I think everyone knows that Pathfinding rolled out to the main channel. You can find most of the information about Pathfinding in the SL Wiki: Second Life Pathfinding  Category. The new Pathfinding Tools are in the Beta Viewer.

It is unclear, at least to me, when those tools will roll into the production release viewer. There is no estimate when the third party viewers (TPV) will have all the tools. I expect the Linden and TPV’s to catch up this month.

Server Scripting August 2012

Simon noted Tuesday that the crash rate for Pathfinding (PF) regions had jumped up after the roll out. But, it seemed to be stabilizing and coming down. I suppose when one adds 5 times more regions the possibility of finding problems goes up five-fold too. Whatever, as of the time of the meeting the Lab was only collecting data and watching the system.

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Virtual Landmarks

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There is a new proposal on the Linden table. It comes from Toysoldier Thor and can be found in the JIRA as: SVC-8082 – Proposed Global Service for SL:  VIRTUAL LANDMARKS & VLM Mapping Services.

The Problem

Consider what happens when you have a home or shop in-world and your landlord decides to return the land to Linden Lab or for some other reason you have to move. The land is either going to disappear and all your stuff will be returned or your shop or home will be gone. You find a new house, apartment, and/or shop. There is little that can be done to stop that process.

Current Landmark Flow – By Toysoldier Thor – Click to Enlarge

But, consider. What about all the Landmarks that point to your shop or whatever that no longer exists? What do you do with the dozens to thousands of links in the Market Place to your non-existent shop? Did you know there is no easy way to just change the landmark you have included with a product you have for sale? You have to reload the entire product package.

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