
Memory Pipes
Data transfer between ICM (Internet Communication Manager) and the SAP work processes goes via memory pipes (MPI). These work on the basis of shared memory.
The following parameters relate to memory pipes.
mpi/buffer_size
Data transfer within memory pipes is conducted in blocks of a set length. This parameter
defines the size of these blocks.
Do not change the values of this parameter.
Value Range |
Unit |
Default Setting |
32768-256K |
Bytes |
65536 |
mpi/total_size_MB
This parameter specifies in megabytes the total size of the shared memory area used for the MPIs.
Value Range |
Unit |
Default Setting |
5-1000 |
Megabytes |
40 |