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Posts Tagged ‘Media Server’

Synology NAS and SSD Cache Part II – Is cache better for Plex Media Server ?

Sunday, April 10th, 2016

In my recent article comparing the performance of the addition of a Read and Write SSD Cache to a volume on a Synology NAS, I started to look in detail at whether this cache benefits any other services on a Synology NAS running DSM 5.2.

In this experiment I’m looking at the Plex Media Server, and I’ve setup two identical Synology NAS, running DSM 5.2 Build 5644 Update 5, both with Plex Media Server 0.9.15.2.1663, both are streaming the same 1080P Blue Ray movie to the same Plex client via WiFi, at the same time. The first NAS has no cache, the second NAS has 120GB of read and write cache, and these are the results.

The second NAS with the read and write cache enabled shows, lower Disk Utilization 1% compared to 5%.

Again you can see here, 6% (no cache), 1% (cache)

The same stats from both NAS, No cache and cache enabled, what is interesting is the CPU load results are lower on the cache enabled version!

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