This parameter sets the size of the ICM Server Cache in megabytes.
Work area |
Internet Communication Manager, SAP Web Dispatcher |
Unit |
Integer value |
Standard value |
400 (MB) |
Dynamically changeable |
No |
Integration
Value Range and Syntax
You can set values between 10 MB and 4000 (4GB).
Rule of Thumb for Calculating (Virtual) Memory Requirement:
memory_needed = 2 * (2N + U) * M + S * 100000 Bytes
where:
N = icm/HTTP/server_cache_<x>/max_entries
M = icm/HTTP/server_cache_<xx>/max_name_len
U = icm/HTTP/server_cache_<xx>/max_ufo_entries
S = icm/HTTP/server_cache_<xx>/memory_size_MB
The memory required consists of:
The space required for the (2 * (2N + U) * M) Index; the multiplications by 2 come from the implementation. In Unicode systems, the requirement is approximately twice as high.
The space required for the actual data in the cache (images, style sheet, and so on) ( S * 100000 bytes, because S is specified in megabytes)
Note the following documentation associated with this parameter:
Documentation on the related parameters (see above)