Tag: Simulator User Group 2014

SL projects updates week 14/2: viewer, group chat

Posted on by Inara Pey

SL Server Deployments week 14 – recap

As always, please refer to the server deployment thread in the forums for the latest news and updates.

  • On Tuesday April 1st, the Main channel received the server maintenance package deployed to the Magnum RC in week 13.
  • On Wednesday April 2nd, all three RCs received the same maintenance update, which incorporates the bug fixes deployed to the Main channel and which also sees AIS v3 support returned on the Magnum RC alongside of BlueSteel and LeTigre.

SL Viewer

On Wednesday April 2nd, the Lab officially announced the SL Share 2 project viewer, which I’d managed to preview on Tuesday April 1st.

The Sunshine / AIS v3 RC returned to the viewer release channel on Wednesday April 2nd with the release of  version 3.7.5.288573 (download and release notes).

On Thursday April 3rd, the Lab also confirmed that Facebook had lifted to block on uploading snapshot to Facebook accounts following updates made by the Lab to both the viewer (available in all RC versions of the viewer) and the back-end intermediary sitting between SL and Facebook.

Group Chat

“I think we’re pretty close to a deploy and test on the main grid,” Simon Linden said during the Server Beta meeting on Thursday April 3rd, in reference to his work trying to improve group chat. He then added wryly, “but I thought that last week too.” Not that any non-deployment of the code to Agni for controlled testing should be taken as a bad sign. Rather the reverse, as Simon went on to say, “The test last week was really good … it helped point out some existing bugs in the system which I think I fixed this week.”

A further test was carried out on Aditi during the meeting yielding further logs to be checked, the outcome of which we’ll doubtless get to hear about in week 15.

Aditi Log-in Issue / Inventory Update Issue

When changing passwords to sync inventory between the main (Agni) and beta (Aditi) grids, the general recommendation is to change your password and, while you can immediately use it to log-into the main grid, wait around 24 hours in order for your password and inventory on Aditi to synchronise (or you can continue to use your old password to log-in to Aditi, and use the “unsynchronized” version of your inventory).

This is because a script is run once a day during a period of relatively low platform use (said to be between midnight and 02:00 SLT) which carries-out the synchronizing of passwords and inventory. However, a bug was recently filed (BUG-5563) indicating that passwords and inventory weren’t updating on Aditi even after 24-hours or more.

Commenting on the issue on March 31st, Maestro Linden said, “There seems to be something wrong with the nightly script that is supposed to keep the beta grid synchronized with the main grid.” When the issue was raised at the Server Beta meeting, Simon Linden indicated that Maestro may well have fixed the problem.

SL projects updates week 14/1: server, viewer updates

Posted on by Inara Pey

SL Server Deployments

As always, please refer to the server deployment thread in the forums for the latest news and updates.

Main (SLS) Channel

On Tuesday April 1st, the Main channel received the server maintenance package deployed to the Magnum RC in week 13. This package comprises:

  • Crash mode fix.
  • Fixed a rare case in which certain users were unable to log in (BUG-5130)
  • Fix for a case in which multiple scripts in the same prim calling llTakeControls() with heterogeneous ‘accept’ and ‘pass_on’ parameters would not receive a control() event correctly in some cases (BUG-5281)
  • Updated LSL syntax file to use a new schema (fixes STORM-2000) related to a viewer in testing and apart of STORM-1831.

As the roll-out progressed, there were reports on the forum thread that some regions are having a double restart. After investigating the issue, Caleb Linden reported: “I got the word from engineering that the double rolls were manually triggered by accident but they shouldn’t compromise the sims’ performances once up. This only affected a small group of regions.”

Release Candidate Channels

On Wednesday April 2nd, all three RCs should receive the same maintenance update, which incorporates the bug fixes deployed to the Main channel and which also sees AIS v3 support returned on the Magnum RC, after it was disabled / removed in the week 13 deployment. There seems to be yet more confusion over that actual status of AIS v3 server-side. and whether this means it will actually be enabled on all three RCs, or just re-deployed.

SL Viewer Updates

The SL Voice RC returned to the release channel on Monday March 21st, with the arrival of version 3.7.5.288516. This viewer pulls in Vivox 4.6.x libraries instead of 4.5 for improved voice stability and to address Mavericks issues (download and release notes).

the Sunshine / AIS v3 Rc should return to the channel later in the week if all goes according to plan.

SL Share 2 Project Viewer

As I’ve reported here, on Tuesday april 1st, Linden Lab released the SL Share 2 project viewer, version 3.7.5.288424. This includes:

  • An option to connect to Twitter and upload tweets  / snapshots from in-world to your Twitter account
  • An option to connect to Flickr and upload snapshots
  • An updated Facebook floater with revised snapshot upload tab incorporating the features found in the Flickr and Twitter snapshot uploads, and a new Friends tab.

An interesting element in this viewer is the use of filter effects which can be applied to snapshots, and which allow users to add their own filter options.

Group Chat and Group Bans

There’s little to report here, other than:

  • At the Simulator User Group meeting on Tuesday April 1st, Simon Linden said of the most recent group chat test, ” We had a good group chat test last week that gave me a few more things to fix. They weren’t new issues, but showed some more ways the current system can fail. So it was a good test.” It’s not clear whether this means the testing will now move to Agni and a selected group with a large number of users, or whether there will be further Aditi testing first.
  • With group bans, and as reported last time on the subject, Baker Linden is busy repairing the code that want broken / lost during a merge process and trying to make sure everything is back together and working properly,

 

SL projects updates week 13/2: group bans, group chat

Posted on by Inara Pey

Server Deployments: week 13 – recap

there was only one update in week 13. The Magnum Rc received a new server maintenance project, comprising:

  • Crash mode fix.
  • Fixed a rare case in which certain users were unable to log in (BUG-5130)
  • Fix for a case in which multiple scripts in the same prim calling llTakeControls() with heterogenous ‘accept’ and ‘pass_on’ parameters would not receive a control() event correctly in some cases (BUG-5281)
  • Updated LSL syntax file to use a new schema (fixes STORM-2000) related to a viewer in testing and apart of STORM-1831.

beta-270314_001

SL Viewer

The StatTest viewer was updated on Thursday March 27th to version 3.7.5.288371. This viewer makes one change related to crash statistics gathering  has no functional changes compared to the current release viewer (download and release notes).

Also on Thursday March 27th, the Interest List RC returned to the release channel, having been temporarily removed on March 21st due to the number of RCs occupying the channel.  The return sees the viewer updated to version 3.7.5.288404 (download and release notes).

Group Bans List

Things have been a little quiet in this of late. speaking at the Server Beta meeting on Thursday March 27th, Baker Linden explained why. “I pushed a new version of the group ban viewer, but unfortunately, it’s still a tad unstable. I don’t know how I managed to mess up the merge this bad … I think I lost some code. Well, I’m sure I lost some code. So I’m trying to go back and fix all that, but it’s coming along.”

The latest versions of the test viewer can be obtained via the links on the Server Beta wiki page. This can be tested on Aditi, and the server-side code in active on Morris, where the Server Beta meetings are held (and the code for which has been updated to prevent people with group ban rights from banning themselves from the group…).

Group Chat

There was a further test of the group chat back-end changes during the Server Beta meeting on Thursday March 27th. This involved around the same number of people as the first test, with some remaining in one location and others moving between regions while chatting.

In both instances, viewer freezes were noted when swapping between the group chat sessions and between local chat and one or other of the group chat sessions. These would last between 2-10 seconds depending on the volume of chat going through the group channel session being swapped to, with the average freeze being around 5 seconds.

Commenting on progress with the work, Simon Linden said:

I’m cautiously optimistic I can increase the performance … which should help reliability. From what I can tell, it just can’t handle the load at times. At a small-scale group chat isn’t that difficult a problem but with possibly 42 groups per online AV, the numbers involved can start getting big … I didn’t write the group chat servers, but am just the lucky guy wading through it now. Like I said, I’m cautiously optimistic I can improve it. A re-write to a new engine would be a pretty large project … and has already been tried once.

 Further testing should be progressing to Agni and a large group in week 14.

 

 

 

SL projects updates week 13/1: server, viewer

Posted on by Inara Pey

SL Server Deployments

As always, please refer to the server deployment thread in the forums for the latest news and updates.

There was again no server deployment to the Main (SLS) channel on Tuesday March 25th. Of the three RC channels, there will be no change to either BlueSteel or LeTigre on Wednesday March 26th. However, the Magnum RC will be updated with a new server maintenance project, comprising:

  • Crash mode fix.
  • Fixed a rare case in which certain users were unable to log in (BUG-5130)
  • Fix for a case in which multiple scripts in the same prim calling llTakeControls() with heterogenous ‘accept’ and ‘pass_on’ parameters would not receive a control() event correctly in some cases (BUG-5281)
  • Updated LSL syntax file to use a new schema (fixes STORM-2000)

The LSL syntax file update for STORM-2000 is part of a large project being undertaken by Ima Mechanic with assistance from Oz Linden (see STORM-1831). This work is currently awaiting the release of viewer-side changes, which have been undergoing testing by LL’s QA.

A lightly-attended Simulator UG meeting, Tuesday March 25th
A lightly-attended Simulator UG meeting, Tuesday March 25th

SL Viewer Updates

On Monday March 24th, the FmodEx Hotfix viewer (3.7.4.288138, release notes here) was updated to the de facto release viewer. The core updates in this viewer comprise:

  • Crash fix (MAINT-3703)
  • Update FmodEx library to 4.44.31
  • Additional work for MAINT-2718 (Linux viewer was using logging version of library)

Group Chat Work

During the Simulator User Group meeting on Tuesday March 25th, I asked Simon Linden about the outcome of the group chat tests run on Thursday March 20th, now that there’s been time to check the logs files. He said, “It didn’t have any surprises, but that was a good result. That test was mostly checking out the new statistics it gathered, which worked fine too.” He also confirmed that testing with a large group (most likely the Firestorm support group) is the next step in proceedings:

It’s been delayed a bit due to some people being out of the office. I’m hoping to do something next week … I think that’s the earliest possible. In the mean time I’m working on another layer in the back-end system that is inefficient, so I’m hoping to finish that up today or tomorrow and roll it in together.

Other Items

Revision to the TPVD Directory

The Third-party Viewer Directory received a change to the section listing viewers that report crash statistics. Whereas previously, viewers in this section had been ranked from best to worst crash rate (% of sessions that end in a crash), as from March 25th, they are now ordered from best to worst disconnect rate (% of sessions that end without the simulator seeing a logout).

Regions Size Trivia

During a discussion on vehicle design and region crossings, Simon Linde made mention of the factor that he once spent time looking at region sizes in SL. This isn’t the first time he’s mentioned this work. The last time he raised it, he went to far as to indicate that were regions ever to be resized, increasing them to 1 km a side rather than 1024 metres a side would be preferable, although this would impact the power of 2 approach taken with building SL. At the Simulator UG meeting, he reiterated this latter point, saying, “unfortunately the 256×256 region space is carved into the SL design all over … from the database to the simuators to the viewer and the messages. Changing that would be huge.”

SL projects updates 12/2: Group chat

Posted on by Inara Pey

Server Deployments: week 12 – recap

Short and to the point: there weren’t any.

Upcoming Release Items

There are a couple of things server-side making their way towards a release:

  • Fix for login issues of agents with number display names – this is a fix an issue where users with display names made-up of numbers are unable to log-in. “It was a subtle change in a low-level library that started treating those as numbers and not strings,” Simon Linden said of the issue’s origins.
  • Fix for llTakeControls() issues with multiple scripts with mixed parameters in same prim

These fixes are liable to testing on Aditi prior to moving to an RC.

SL Viewer

On Wednesday March 18th, the Hotfix viewer was updated to version 3.7.4.288138. This now lists three core issues as being addressed:

  • Crash fix (MAINT-3703)
  • Update FmodEx library to 4.44.31
  • Additional work for MAINT-2718 (Linux viewer was using logging version of library)
A typical Server Beta meeting
A typical Server Beta meeting

Group Chat

As indicated in part 1 of this week’s report, there is work underway to try to improve group chat. A small-scale test with a dozen people  was carried out with some of the initial improvements during the Sever Beta meeting on Thursday March 20th.  “This is really a test that shows it doesn’t fall over with minor load,” Simon Linden said of it.

During the test, those present were asked to send lots of short messages at speed to two test groups while moving around and between various regions (walking, flying, teleporting).  Few issues appeared to be noted, at least none that Simon indicted he was interested in (e.g. messages showing delay between being sent and appearing), but as noted, it was a small group. In terms of what has been done with the code and plans for the future, Simon went on:

Basically I dug into the code and found some inefficient parts and cleaned them up.  I also added more metrics, so I’m hoping it can show an improvement.  I’m pretty sure it will be better, but it’s really hard to guess how much better. I’m hoping to test it on the main grid soon.  It would get put on a server and then it would affect a fraction of the groups.  I can pick one group to target and make sure it covers that group.

As chat is handled back dedicated back-end servers, no simulator or viewer change will be required to take advantage of this work as it progresses. If the logs from this initial test show nothing unpleasant or unexpected, and providing LL’s QA are happy, testing on the main grid could start in a week’s time.

SL projects updates 12/1: Group chat

Posted on by Inara Pey

There’s not a lot to report a present this week in terms of ongoing project work from the Lab.

Server Deployments: week 12

There are no server deployments scheduled for week 12 on the Main channel or the RCs.

SL Viewer

On Monday March 17th, the Lab issued the latest iteration of the Google Breakpad RC, version 3.7.4.288045, for the purposes of improvements to crash and statistics logging. It has been anticipated that this may be the last iteration of the Breakpad RC for a while.

It is anticipated that the remaining RCs will be updated during week 12.

Group Chat

Om March 17th, Ebbe Altberg indicated that group chat was being worked upon by the Lab via a Tweet in response to a complaint:

Ebbe-group chat

When asked about this at the Simulator User Group Meeting on Tuesday March 18th, Kelly Linden was able to say:

As Ebbe has confirmed someone is looking at and working on group chat. However it is a non-trivial problem saddled with a lot of legacy and high expectations. I have reviewed some of the changes so I do know changes are being made that sound like they will make improvements.