View cache activity
View content cache activity in Activity Monitor.
Click Cache in the Activity Monitor window (or use the Touch Bar).
If you don’t see the Cache tab in the Activity Monitor window, choose Apple menu > System Preferences, click Sharing, then select Content Caching.
To see data served for a particular period of time, click the pop-up menu above the graph, then choose a time period.
The following content caching statistics are displayed:
Data Dropped | Amount of data the content cache downloaded but could not add to its cache. | ||||||||||
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 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, 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. | ||||||||||