- Kerio WinRoute Firewall Administrator's Guide

5.6 HTTP cache
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Figure 5.23 HTTP cache configuration
Cache size
Size of the cache file on the disk. Maximal cache size allowed is 2 GB (2047 MB)
Notes:
1. If 98 per cent of the cache is full, a so called cleaning will be run — this function
will remove all objects with expired TTL. If no objects are deleted successfully,
no other objects can be stored into the cache unless there is more free space
on the disk (made by further cleaning or by manual removal).
2. The maximal cache size is applied in WinRoute since 6.2.0. In older versions,
maximal cache size allowed was 4 GB (the treshold was cut for technical rea-
sons). If, upon its startup, the WinRoute Firewall Engine detects that the cache
size exceeds 2047 MB, the size is changed to the allowed value automatically.
3. If the maximum cache size set is larger than the free space on the correspond-
ing disk, the cache is not initialized and the following error is recorded in the
Error log (see chapter
20.8).