Full cache and blocksize?

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Magistar
Level 3
Level 3
Posts: 11
Joined: Thu Nov 30, 2017 3:09 am

Full cache and blocksize?

Post by Magistar »

I am currently testing primo cache for caching my 2x HDD 1 TB Raid 0 stripe onto an old 120 GB SSD. These drives hold 1600 GB of games. For this purpose I have created a level 2 cache partition of 53GB. After playing Rainbow Six Siege, Civilization VI and Ghost Recon Wildlands I had about 37 GB of cache left. So at this rate I will not be filling the cache. I do wonder: what happens when my cache space hits 0? Does it auto clear old files? Is there a smart logic?

Other question is regarding blocksize. I noticed 16 KB takes 700 MB of ram. This makes me wonder; does primo cache NOT cache files below 16 KB (when set at 16 KB), or is it just the internal block size, meaning some efficiency is lost.
rutra80
Level 5
Level 5
Posts: 57
Joined: Fri Aug 14, 2015 9:10 am

Re: Full cache and blocksize?

Post by rutra80 »

When cache gets full, least used data gets discarded.

It's internal block size. Bigger block size = less RAM overhead but worse efficiency in caching.
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