Josh Thompson updated VCL-5:

    Fix Version/s:     (was: 2.3)
> multiple web servers
> --------------------
>                 Key: VCL-5
>                 URL: https://issues.apache.org/jira/browse/VCL-5
>             Project: VCL
>          Issue Type: New Feature
>          Components: web gui (frontend)
>    Affects Versions: 2.2
>            Reporter: Josh Thompson
>             Fix For: 2.4
> Modify the frontend code to allow the existence of multiple web servers 
> running in a load balanced fashion. The holdup for this has been due to a 
> semaphore lock around the code that allocates a machine for a reservation. 
> Without the semaphore, two people hitting the site at (nearly) the exact same 
> time can end up being assigned the same machine.
> An idea I came up with to handle this is to only run the scheduling portion 
> of the code via the XML RPC API. A single web server would be elected as the 
> master. All web servers would call the scheduling part of the code via the 
> API on the master, allowing the semaphore lock to still function. If the 
> master server goes down, an election process would determine the new master.

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