Hello folks,

I attempted to run some workflows I built in a cloud, where disk is actually a 
network filesystem. Using the filesystem storage backend I experienced abysmal 
performance. I think it stems from the sheer quantity of i/o operations that 
the filesystem storage backend does - I counted over 4,000 File.open calls on a 
workflow that ought to have had fewer than 50 steps.

Are there other storage backends that perform fewer i/o operations? Doing equal 
number of database queries should take less time but the database is still on 
network filesystem so really I'd like to have much fewer i/o operations.

Rich

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