Stuart Bishop wrote:
I'm putting together a road map on how our systems can scale as our load
increases. As part of this, I need to look into setting up some fast read
only mirrors of our database. We should have more than enough RAM to fit
everything into memory. I would like to find out if I could expect better
performance by mounting the database from a RAM disk, or if I would be
better off keeping that RAM free and increasing the effective_cache_size
appropriately.


In theory yes if you can fit the entire database onto a ram disk then you would see a performance benefit.

Sincerely,

Joshua D. Drake



I'd also be interested in knowing if this is dependant on whether I am
running 7.4, 8.0 or 8.1.




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