Custom Caching Limits for OS X Server

Question

In Server Manager, you can set predefined limits for the caching server. Is it possible to set a custom limit? Maybe through Terminal? How do I do this?

I want to limit caching to 100GB but my options are 25GB or 270GB or 755GB or Unlimited.

Answer 1

Your options aren't limited to the numbers printed below the scroll bar. You can drag between the options to select a value closer to your desired value:

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You can set custom values if you really want to though. The cache size is stored in the CacheLimit key in the configuration plist which is located by default here:

/Library/Server/Caching/Config/Config.plist

<key>CacheLimit</key>
<real>268586281855</real>

^{The integer is bytes.}