Cached Memory and Swap Usage

The CPU can access 16GB. Unused ram is used as file system cache. And in this case, I think the cache is a little overaggressive in grabbing memory and that ...

For Synology NAS models using an Alpine CPU, the maximum cache size is 930 GB. · For other Synology NAS models, the maximum cache size is 127 TB.

Typically, when a read request is received, the servers check if the relevant data are stored in the system memory cache known as random access memory (RAM).

We recommend setting your SSD cache to at least 2.5% of the planned volume size. Further reading. Important considerations when creating SSD ...

I am trying to figure out what how the Cached Memory is used with the Synology OS. I have a DS218+ that have been working ok for the last year with his 2 GB.

The OS can move inactive memory pages to swap to free up 'real' memory, which will be better used as disk cache especially on a NAS.

Generally you should always max out system RAM prior to adding an SSD cache because a RAM cache is faster than SSD.

SSD cache, also known as flash caching, is an easy and cost-effective way to improve the performance of your Synology NAS.

Comments · Synology for Families - Complete Guide · What is SSD Caching and Should You Bother On Your NAS? · They wanted to sue me, but I can't ...

I'm showing you how to upgrade your Synology NAS to add RAM and an SSD cache drive for a performance boost. The items used to upgrade in the ...