lol I've ran a local minecraft server for a year and a half. It's not large, only 45 players on average. With no borders, it actively uses 16gb of ram (out of the 24 I have available). I've had enough server crashes to tell you, it is in fact NOT writing to disk every second, or every two seconds. Rollbacks occur after a server crash because what was in ram was not written to disk. I've seen rollbacks be 2 hours worth of time lost. There are plugins to force world-saves which write to disk. If this were not true, the /save-all command would not be needed - it would be a redundant command. Go watch direwolf server series, you'll see semi-frequently "world saving" - this is done by an additional mod, and because they expect crashes (Data lost from RAM not being written to disk).
Why do you think more ram is needed for higher server caps? Because there are more chunks loaded into ram all the time. You over-estimate how fast hard drives are, and how much data gets read/written. If you think the level of graphics dictate the amount of data being read/written to ram/disk then you don't have a full grasp of how serve-side works. What I'm saying is, it being 16 bit has no bearing at all on what happens server side. MW3 servers have a smaller foot print than minecraft and is clearly a higher level of graphics. The only thing those servers worry about are the coords of a player, scores-stats, and weapon events. Minecraft servers store the entire map, every single block. One chunk is 65,536 blocks not including entities - and that gets loaded into ram.
The only reason you want a fast hard drive, is so when a player enters a new chunk then the action of reading the map data, and loading it to ram is faster. RAM > CPU is leaps and bounds faster than ANY SSD > CPU is, why would minecraft which requires a lot more read/writes than a vast majority of games want to load from the slow disk?
I know that's a lot to read, but well worth it if you want to continue advising people on how servers work. There is very little disk activity until you start using a SQL server to store data for plugins (LWC/LB).
Why do you think more ram is needed for higher server caps? Because there are more chunks loaded into ram all the time. You over-estimate how fast hard drives are, and how much data gets read/written. If you think the level of graphics dictate the amount of data being read/written to ram/disk then you don't have a full grasp of how serve-side works. What I'm saying is, it being 16 bit has no bearing at all on what happens server side. MW3 servers have a smaller foot print than minecraft and is clearly a higher level of graphics. The only thing those servers worry about are the coords of a player, scores-stats, and weapon events. Minecraft servers store the entire map, every single block. One chunk is 65,536 blocks not including entities - and that gets loaded into ram.
The only reason you want a fast hard drive, is so when a player enters a new chunk then the action of reading the map data, and loading it to ram is faster. RAM > CPU is leaps and bounds faster than ANY SSD > CPU is, why would minecraft which requires a lot more read/writes than a vast majority of games want to load from the slow disk?
I know that's a lot to read, but well worth it if you want to continue advising people on how servers work. There is very little disk activity until you start using a SQL server to store data for plugins (LWC/LB).
