We all know that LMDB uses a memory-mapped database, so the actual usage of memory by the monero network service process (aka monerod, monero daemon) is very minimal (once network synchronization has completed).
More information on caching and memory mapping can be found here.
Despite these facts, it is sometimes advantageous to reduce the apparent usage of memory by the monerod process. How can one reduce the apparent memory usage?
48.419GB VIRT, 2.579GB RES monerod
– Nick Sep 20 '17 at 18:14Also, VPS providers preset amount of memory a VM has access to. If you want to use 100% of it that's fine - that's what you are paying for.
– jtgrassie May 24 '18 at 13:57