Symptom
In transaction code SM50, the are semaphores displayed. You want to figure out which semaphores status are in your SAP system.
Solution
From the transaction code SM50, click on the semaphore no. tab and press F1. A pop up of semaphores information will list out as per below,
1: PXA semaphore 2: WP_CA_ADM semaphore 3: APPC_CA_ADM semaphore 4: TM_ADM semaphore 5: COMM_ADM semaphore 6: ROLL_ADM semaphore 7: PAGING semaphore 8: NO_BUFFER semaphore 9: STAT semaphore 10: GW Request semaphore 11: CALI_BUFFER semaphore 12: TEMSE Char Code semaphore 13: Update-ADM semaphore 14: PRES_BUF semaphore 15: SHM_ADM_AREA semaphore 16: DB_TBUFF semaphore 17: DB_SYNC semaphore 18: DB_TTAB semaphore 19: DB_SNTAB semaphore 20: DB_IREC semaphore 21: DB_FTAB semaphore 22: LOGFILE semaphore 23: REQ_QUEUE semaphore 24: DB_TBUFF_P semaphore 25: ENQ_REQ semaphore 26: ENQ-TABLE semaphore 27: SAPCOMM_1 semaphore 28: SAPCOMM_2 semaphore 29: FIXADR semaphore 30: DB_CUA_BUFFER semaphore 31: Spool-ADM semaphore 32: Extended memory ADM semaphore 33: Extended segments semaphore 34: Server buffer semaphore 35: Object buffer semaphore 36: Extended segments user list semaphore 37: Global mutex semaphore 38: CCMS monitoring semaphore 39: Extended global memory semaphore 40: Semaphore reserved for testing 41: Semaphore reserved for testing 42: Shared statistic semaphore 43: Spool cache semaphore 44: Basis udit Semaphore 45: Application Statistic Buffer semaphore 46: Profile Parameter semaphore 47: Spool asynchronous RFC semaphore 48: ENQID semaphore 49: ABAP Virtual Machine Instruction Trace semaphore 50: Task handler runtime semaphore 51: ATRA semaphore 52: Memory pipes semaphore 53: Coverage Analyzer semaphore 54: ABAP Time Synchronization semaphore 55: Online Text Repository semaphore 56: ESM (Export to Shared Memory)- Semaphore 57: Runtime Monitor 58: JAVA 59: ABAP Shared Objects 60: JControl adminstration semaphore 61: JControl session semaphore 62: ITS plugin - update statistics 63: ITS plugin - service description 64: VM container lite cluster semaphore 65: Extended segments administration semaphore 66: VM Container adminstration semaphore 67: Extended memory adminstration semaphore 68: CCMS monitoring semaphore 69: Session breakpoint administration of ABAP debugger 70: Extended global memory adminstration semaphore 73: ABAP Hotspot Trace
Note
• If the field is green, the work process is holding the semaphore.
• If the field is red, the work process waits for the semaphore.
• SAP Note 33873
SAP Note 33873, This snote is removed from market place. If you put blog regarding deletion of Semaphore lock that would be helpful,Like your other topics.