Solution : https://service.sap.com/sap/support/notes/892818 (SAP Service marketplace login required)
Key words :
/developerworks/linux/linux390/perf/index, release memory pages back, extensive extended memory request, additionally tested linux kernels, em/blocksize_kbthe recommended setting, memory bottleneck em/blocksize_kb 2048, newer linux kernels, standard setting sap, set em/address_space_mb, optimize storage usage
Related Notes :
| 871985 | Linux: Integer Overflow if em/address_space_MB > 4092 |
| 724140 | Extended memory, release for operating system |
| 386605 | SAP Memory Management for Linux (32-bit) |
| 81737 | DB2-z/OS: APAR List |