Solution : https://service.sap.com/sap/support/notes/201496 (SAP Service marketplace login required)
Key words :
ipc/sem_fast = 0 ipc/sem_pr_set_count = 1when, terms ipc/sem_fast reason, posix read/writelock calls, os/390 unix system services, parameter ipc/sem_fast=1, parameter ipc/sem_fast = 3, initialized multiple times, sap instance profile, normal unix semaphores, os/390 platform
Related Notes :
| 307147 | DB2/390: Performance tuning for OS/390 app servers |