View cache activity in Activity Monitor on Mac
View content cache activity in Activity Monitor.
- In the Activity Monitor app - on your Mac, click Cache. - If you don’t see the Cache tab in the Activity Monitor window, choose Apple menu - in the sidebar. (You may need to scroll down.) Click Sharing on the right, then turn on Content Caching. After that, quit and then reopen Activity Monitor to view Cache information. 
- To see data served for a particular period of time, click the pop-up menu at the bottom of the window, then choose a time period. 
The following content caching statistics are displayed:
| Content cache activity | Description | ||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|
| Data Served | Total amount of data the content cache has served. When these values are nonzero, the content cache is working. | ||||||||||
| Data Served From Cache | Amount of data the content cache has served from its cache. The closer these values are to the Data Served values, the more the content cache is helping. | ||||||||||
| Data Dropped | Amount of data the content cache downloaded but couldn’t add to its cache. | ||||||||||
| Data Served From Origin | Amount of data the content cache downloaded over the internet. | ||||||||||
| Data Served From Parents | Amount of data the content cache downloaded from any of its parent content caches. | ||||||||||
| Data Served From Peers | Amount of data the content cache downloaded from any of its peer content caches. | ||||||||||
| Data Served To Children | Amount of data the content cache served to any of its child content caches. | ||||||||||
| Data Served To Clients | Amount of data the content cache served to client Mac computers, iOS devices, iPadOS devices, and Apple TV devices. | ||||||||||
| Data Served To Peers | Amount of data the content cache served to any of its peer content caches. | ||||||||||
| Data Uploaded | Amount of data uploaded from clients through the content cache. | ||||||||||
| Maximum Cache Pressure | How urgently the content cache needs more disk space. Lower cache pressure is better. If these values are higher than 50%, you should assign the cache more space, move the cache to a larger volume, or add content caches. | ||||||||||