The files are in (5) different folders that i'm reading the data from. I'm writing the final mosaic out locally and as a single file at full resolution. These images cover a large area and the final product will be hosted on a web server. Any suggestions on best way to process this out than putting it all thru rastermosicker? My original flow is snipped below.
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First impression is that it's not going to work, or that it's not going to be a good solution, because the resulting file is going to be just gigantic (~1.5TB).
Why cannot the web server use the collection of smaller files? In my experience, that is usually how these things are done.
I think you have to read on how a web server works.
Your method is the way to do it, if you want, but it will take forever and change and a lot of resources (RAM, disk space).
A web server usually uses tiles to show large maps. If I were you I would split the 260 megs files in smaller ones to optimize for speed (server speed).