Second Life project updates 28/1: server, viewer

Umbral Photography, Hydra Isles; Inara Pey, July 2015, on FlickrUmbral Photography, July 2015 (Flickr) – blog post

Server Deployments

As always, please refer to the server deployment thread for the latest updates / news.

On Tuesday, July 7th, the Main (SLS) channel received the same server maintenance package deployed to the three RC channels in week #27.

As noted in my project update for week #27, BUG-197 referred to in the package release notes relates to an issue whereby a user can’t see any of their local chat on a region or parcel, and nor can anyone else, due to a scripted object which is spamming chat so badly, the chat throttle kicks in, but no warning would be provided to inform the user this was the case. with the deployed change, the user will now get a message about the chat throttle being hit, but unfortunately, the system will not identify the spammy object (so it might be removed / returned, if possible).

There will be no RC deployments to the RC channels on Wednesday, July 8th, leaving all of the main grid on the same release. A new RC deployment, described as a “minor update” is in preparation for deployment to the RC channels in week #29.

SL Viewer

On Tuesday, July 7th, The Maintenance RC viewer was updated to version 3.8.1.303166, bringing it into line with the attachments RC viewer updated in week #27, and just leaving the Viewer Managed Marketplace viewer to be updated in the release channel, which will likely happen later this week.

Chromium Embedded Framework

At the Monday Open source Developer’ meeting, Oz Linden indicated that an anticipated project viewer,  the Chromium Embedded Framework (CEF) viewer which will provide media support via HMTL 5, should be appearing “Pretty Soon”™.  While Quicktime and Flash  may work on this viewer for some users, given the age / status of both, the Lab does not plan to support either going forward, and recommends media creators migrate to HTML 5.

It had been hoped that this viewer would have been out by now; however there appear to be one or two issues still to be resolved. “I heard the developer working on it today say he was deep in the middle of keyboard issues,” Simon Linden said during the Simulator User Group meeting on Tuesday, July 7th. “Getting frameworks like that to cooperate with OS events like keyboard, mouse and screen is always tough.”

Experience Keys / Tools

Simon is continuing to work on tweaks to the Experience Keys / Tools code, and in doing so passed an interesting comment at the Simulator User Group meeting.

“I’ve been working on updating the KVP code that runs on our server,” he said, “and had the most frustrating time integrating the newest version into our code … The code we have is dated and we should have better performance and stability with their latest.”

Quite what the difference is between “our” and “their” code might be isn’t entirely clear at this point in time – although the question was asked during the meeting, and may well be asked again in the future.

Simon also hopes to put some work into getting KVP access moved onto a separate thread to ordinary asset handling. As previously mentioned in these updates, that KVP access is currently on the same thread as asset handling can, at times, cause issues, as noted in BUG-8946.

Group Chat

The recent improvements made to group chat continue to make themselves felt, with many reporting that the old issues of lag with the chat on large groups has largely dissipated. Such are the improvements that Whirly Fizzle has suggested that http://isslgroupchatstillbroken.com/ should be updated. Even so, despite all the the improvements, Simon has indicated that there are still “a few things” he’d like to tweak a little more.

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6 thoughts on “Second Life project updates 28/1: server, viewer

  1. Regards to the ‘their code’ comment. I think Xp tools was originally started by LL members that have since gone. it’s possible one team started the project, then there was a pause before another team picked I up and finished it. I could be wrong.

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    1. I don’t know who the Lab’s in-house developers were for Experience tools, but Simon’s comment appears to refer to a third-party component. He declined to elaborate with “I’m not sure we’ve discussed the tech behind it before” so I’m guessing it’s about the underlying storage (perhaps Hadoop? NoSQL? MongoDB?) or a layer between storage and its access as KVP.

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    2. Yup, Experience Keys grew out of the Advanced Creator Tools, which first saw the light of day back in 2012 (llAttachToAvatarTemp, llTeleportAgent, llTeleportAgentGlobalCoords). However, as you’ll probably remember, not long after the capabilities had been rolled to the Magnum RC channel with safeguards, someone had found a way to exploit them on regions on the other server channels to force teleport people around the grid, which led to the capabilities being disabled until an additional safeguard on teleports had been introduced.

      However, as Qie points out, Simon’s comment did appear to imply more of a third-party involvement in the tools used within Experience Keys than an internal “us / them” kind of divide.

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