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RAMdisk and Minecraft

systole

systole

macrumors member
Original poster
Mar 24, 2011
99
1
Minnesnowta
Random question

Any MBP users implimented ramdisks? I've been running minecraft on a ubuntu server with it's built-in integration (/dev/shm), but was wondering if any power users have used it with success. The reason I'm asking is I want to speed up the generation of maps locally using MCMap Live, which renders each block, allowing for rotation and map slices by elevation.
 
Thanks

Thanks for all the responses... It just amazes me at the speed needed by storage to keep-up with MC.
 
How big a RAMdisk would you need to pull it off? I'll give it a whirl, but I only have 4gb, and have to leave some of my RAM as RAM too...
 
The entire storage/RAMdisk problem is now a non-issue with the move to MCRegion as the save format.

The only reason it caused problems before was because each chunk was tiny, and the game wrote new chunks and changed chunks on the disk far too often. MCRegion expands the size of a chunk, and effectively reduces the amount of files saved by MC by 500 to 1000 times.

As far as performance on OSX, that's a Java fault on the operating system. I agree that the game could be written better, but the hardware in the 2010 MBP that the person in the aforementioned post is far more than required to play the game smoothly.
 
RamDisk size

as soon as my replacement MBP arrives, I plan on experimenting with a 1-2 GB ramdisk as I have 8 to work with. Thanks for giving it a go.

As for the new McRegion format, that's interesting. My main purpose for the post was to pull the map files off of my dedicated server and render them into layerable png files. Would implimenting a ramdisk speed-up the render at all? Hope that clarifies my original question.
 
systole said:
as soon as my replacement MBP arrives, I plan on experimenting with a 1-2 GB ramdisk as I have 8 to work with. Thanks for giving it a go.

As for the new McRegion format, that's interesting. My main purpose for the post was to pull the map files off of my dedicated server and render them into layerable png files. Would implimenting a ramdisk speed-up the render at all? Hope that clarifies my original question.
Click to expand...

I don't believe so, I know that on my Windows machine where I've done all my rendering, the CPU was the bottleneck, and the map loaded very quickly off the disk (I believe it actually cached the map files to RAM before rendering). Your mileage may vary with whatever software you may be using to render on OSX and Mac memory management. I would say it might be worth a try for that situation.
 
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