Solution : https://service.sap.com/sap/support/notes/5424 (SAP Service marketplace login required)
Summary :
This SAP Note provides detailed solutions to questions concerning the application and management of enqueue locks. It addresses the status of locks when the enqueue server restarts, indicating they are lost unless saved to a backup file. The location of the lock table is specified, with differences between classic and standalone enqueue servers. Lock speeds range from 20 to 80 milliseconds based on CPU and network load. Diagnostic steps in transaction SM12 are given for troubleshooting, including saving trace files and viewing the syslog. Additionally, it mentions the configurations and operations relevant to ensuring effective lock management, explaining key parameters such as _SCOPE.
Key words :
<time> <operation> <owners> <obj> <gra> <user> <tab> <mode> <arg>, enqueue server <host>_<instance>_<sys, transaction sm12 -> error processing -> special diagnosis - check enqueue, servers <host>_<instance>_<sys, lock management operation mode internal lock management, code test -> error handling -> logging -> switch, abap dictionary structure- lock mode [, local log directory- enque/table_size, enqueue server display - summary statistics, enqueue server factors takes longer
Related Notes :
| 1090114 | Lock table overflow |
| 208192 | Causes for message V1042 when creating sales orders |