Calculate the size of f_cache and p_cache for AVAMAR

Formulas to help determine the correct size of your f_cache and p_cache for AVAMAR backups

AVAMAR F_cache And P_cache Formulas

f_cache = N * 40MB

N = Millions of Files

So for 3 million files:

f_cache = 3 * 40MB = 120MB

p_cache = DB Size in GB/Average Chunk * 20MB

Average Chunk Sizes-
Exchange DB: 16
Microsoft SQL DB: 24

For a 100GB Microsoft SQL DB:
p_cache = 20/24 * 20MB
p_cache = 83.3MB