What is the optimal File Cache size?
Posted by - NA - on 27 December 2017 09:23 AM

The File Cache stores copies of all files transferred from remote machines, and should optimally be large enough to store the entire code tree (including standard header files). Additionally, persistent temporary files (like precompiled headers) and required tool binaries are stored in the file cache. Identical files from different machines are only stored once to save space.

If the File Cache runs out of space during a build, files that have not been accessed for the longest period of time will be deleted to make room for the required files. If the File Cache is too small, this may occur often and result in excess network traffic.

The Coordinator Monitor highlights in Red Agents whose file cache generates a lot of swapping activity. Increasing the file cache size on these Agents can improve performance.

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