Second Life

Things about SL

Mesh Costs Explained

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In the SL Wiki we have been given the equation that represents how mesh complexity is converted to Prim Equivalency. The page has changed from time to time and the values used in constants have changed too. Often changing without the wiki page updating.  Frequently a release of a Mesh Project viewer changes all the equivalency values we have been seeing in the viewer. Changes to the simulator software have also changed the values shown in the viewer. Several have been guessing at what the Lindens are actually trying to achieve with these changes. Speculation on what the Lindens will do and why is ranging from hopeful to ridiculous. Now Runitai Linden has explained the Linden goals.

Mesh110612_001
Mesh Equivalents

The Fallacy

When the Linden’s used the worlds ‘Prim Equivalency’ the stage was set for residents to start comparing prims and sculpties to mesh. The Lindens may have even been thinking of mesh as a prim type. We know that the first mesh we saw in open beta was very sculpty like. The Build Floater even had a mesh asset in the same place as a sculpty has a place for (sculpty map window) the sculpty map.

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#SL Chat Update

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You probably remember that on the first of the month I posted Second Life Chat Load Test. That test was carried out last week. It was hoped we would see some of the numbers this week. That didn’t happen but we did get some of the story from Oskar Linden in the Beta Server Group meeting. I also posted #SL Server Follow Up Week 23, which has a section on chat. That article explains the inefficiencies in group chat.

The Test

Three regions were involved. One running the main grid server-trunk version (Oatmeal ) and the other two running the a test version with improved chat software. Also, the Utility Servers received new software weeks prior to the test. Nobody told me. But, Oskar just officially announced it here: UTIL hosts updated with Group Chat fixes.  The test was pretty well covered in blogs, forum, and group notices. The turnout was good and the Lindens collected lots of good stuff… data. Oskar Linden said, “It was a huge success from a QA POV.”

The main things being tested were backward compatibility – old grid software to new grid software, multi-region chats, and large in region group chats.

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Are Second Life Trends Changing

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We have all seen the trend of decreasing concurrent users and poor player retention numbers. There seems to be a turn around. I think it is too early to actually say that with any certainly… or if I wanted to be a wiener, certitude.

Sign Up Rate

Tateru’s site has stats on Second Life. One of her graphs is displaying signup rates.

Signup Rates
Signup Rates - from SL via Dwell On It

Since the SL Signup process changed we are seeing a climb in signups. On average the signup were about 10,000 per day for over a year. It looks like that has jumped to between 13,000 to 14,000 per day. It appears to be in an upward trend. It is early in the trend change, if it is a trend. We don’t know if this is a long term change or not. But the old trend has been broken.

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KirstenLee Viewer S21(8) RC2 Release Review

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KirstenLee Viewer Install

This morning I see KirstenLee has a new release candidate out. This one is based on Linden Lab 2.7.3 code. So, this viewer is on the very edge of the latest viewer code. The full version number is 2.7.3.8. The viewer remains Anaglyph 3D capable and it now works with my 8800 GTS card. My first impressions review follows.

Download and Install

One of the KLV users with an nVidia 460 card on driver 275.33 is experiencing crash on start. So, it is a good idea to keep your previous RC1 install package. I’m on an nVidia 8800 with driver 270.61 (per Windows driver ID 8.17.12.7061). Watching Group chat I see others are having crash problems. The crashing seems to depend on the nVidia driver version. Some have gone back to version 266.38 and say they get 3x better FPS. This very much looks to be an nVidia and OpenGL issue.

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#SL Server Follow Up Week 23

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The meeting notes from the Beta Server Group came out. There is some interesting stuff from the meeting. We got great information on CHAT. 🙂

Server Stability

The Lab has been working on what is labeled Server-Maint. This is a group of fixes and features that allow better roll out and problem recoveries. It has taken several tries and roll outs from the Release Channel had to be rolled back each time. The problems seems to have passed and Server-Maint. has made it to the main grid.

Mono2

This upgrade has been cycling through the Release Channel for 3 or 4 weeks now. This changes touches so many aspects of SL that it is a complex change. While performance of new scripts rezzing in a region has been greatly improved, avatars with hundreds of scripts are still a problem. The Lab was working on that last week and the new fixes are in testing on Le Tigre this week. If they prove up, they will make the main grid next week.

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#SL Physics-Scripting Update Week 23

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On June 3 Maestro Linden emailed the Scripters List that the Mesh Prep version of the server software has been updated on ADITI grid. These changes are to fix problems experienced with some vehicles.  Refer to these JIRA issues:

  • SVC-7015 “Vehicle Physics Issues with Magnum 11.05.31.231501”
  • <no SVC Jira #> “The Monorail in the TOYOSU region gets stuck”
  • SVC-7011 “Sim lag after last server maintenance”

You can find the latest version deployed to the following ADITI grid regions:

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