I'm working on a PHP webapp that does automatic resizing of images and I'm thinking of storing the cached copies on the NFS mounted NAS so it's easy for me to flush the cache when images are updated.The only thing I'm worried about is what happens in general with NFS if 2 or more of the servers in the cluster are trying to create the same image cache file at the same time?There's a pretty good chance that when the cache gets flushed for content updates that they could collide like that, but I don't have a great way to test this scenario in development because I'm only working on a single box.Anyone with experience on this?
What happens in NFS if 2 or more servers try to write the same file simultaneously?
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