Memory size

Dear some consultation, I have a base of about 750 GB in size and we are
having problem of slowness in certain views of the application, so I have
been seeing it is apparently a memory problem because if I run again the
view runs fast, the base is in a virtual server with 24 GB of RAM and 8 GB
of shared buffer, with this information how much would you recommend to put
a memory in the server
thank you very much



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