[Opensim-dev] AssetLoader to selectively load assets based on timestamps ?

[Justin Clark-Casey]

Alex Reatov wrote:
> Hello,
> 
> The AssetLoader uploads all pre-defined assets to the database on each
> startup, unless the feature is disabled in the config file. The
> proposed change is to keep in the DB a dummy asset with a timestamp in
> it, attempt to read that asset in AssetLoader, then load only those
> XML files that have been modified since that date. The updated timestamp asset
> is stored back after AssetLoader completes the loading. When the
> timestamp asset is not present, AssetLoader would perform the full loading
> as it does now.

Why is a dummy asset required - wouldn't the real asset always be in the db after the first run?

> 
> This way we can avoid loading the entire asset library every time,
> without actually disabling it. The feature can be controlled by either
> adding another config parameter "ForceAssetLoader=1" (alongside with
> DisableAssetLoading or whatever its called) or by replacing the
> existing setting with something like AssetLoaderMode={none|full|auto}
> (not implemented in the code below).

It would be nice not to implement yet another config parameter.  Why would one want to force a load if the intelligent loader deals with all situations?

> 
> The modified code is available as branch "asset-loader" at my github fork:
> 
>   git at github.com:AlexRa/opensim-mods-Alex.git
> 
> It is NOT TESTED at the moment and I don't ask anybody to debug it for
> me, but would like to hear opinions whether this feature would be
> welcome and should I proceed with it.
> 
> A copy of this post is now also on the Mantis:
> 
> http://opensimulator.org/mantis/view.php?id=4694
>   
> 
> Best regards,
> 
> AlexRa
> 
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> 


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Justin Clark-Casey (justincc)
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