Unbound Cache on RAM Disk

[DWAyotte]

I was thinking it might be nice to have Unbound's cache sit in a RAM drive for a system that has a slow spinning hard drive, but an abundance of RAM. Any chance this is possible without much trouble?

[netblues]

@DWAyotte Judging from the fact that unbound ram usage skyrockets as more lists are loaded, I think it has everything in ram in the first place, without any cache file.
There is an option that can be compiled in --enable-cache-db, and it can be configured to use redis as a secondary cache server, but this is much more work than a ramdisk.
And scanning a memory array is probably faster anyways.

[Gertjan]

@netblues said in Unbound Cache on RAM Disk:

And scanning a memory array is probably faster anyways.

Yep, a whole lot faster as having the same structure on a disk type device : the access would have to flow through the entire file system function calls instead of accessing local processes memory.

[DWAyotte]

Ah, I didn't realize it was architected that way already, in pfsense. Thanks for filling me in.