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RE: Second week - Full Steem Ahead!
Hi.
A witness node needs about 45 - 50 GB of RAM.
You should be just fine running on a 32 GB server, as long as you have the memory mapped file stored on a SSD drive instead of a 'traditional' disk. Dropping to a 32 GB should help cut down on costs, and it should not affect the reliability of your node. Details here.
Technically a 16 GB will work too, but it is quite a bit slower for replay.
Thank you Tim. It also depends on how fast the SSD is and we running, for the moment, on VPS, we do not quite control that ... Pablo has run some tests and it appears the SSD provided by the host is of the sluggish type so we take advantage of their "guaranteed 50GB of RAM" for the time being
Ah, ok. that makes sense :)