Solution : https://service.sap.com/sap/support/notes/179224 (SAP Service marketplace login required)
Summary :
This SAP Note addresses issues related to database locks caused by serial document number allocations in NRIV or NRIV_LOKAL tables as a result of the legal need for continuous, traceable document numbering, particularly in FI. With the introduction of the new NRIV_LOKAL method from Release 3.0B, numbers are managed per application server to comply with most legal frameworks, though this leads to parallel process locking at the instance level. The note outlines the technical adjustment of the NRIV_LOKAL buffer size by 260,000 bytes and includes changes needed for setup and potential problems like out-of-sequence numbering and unassigned ranges. It recommends setting up as many instances as resources permit and adjusting server parameters, highlighting constraints related to hardware, instance naming, and workload-specific buffering.
Key words :
function group snr2 gui status upd, buffering_in_local_file_____ no_of_numbers_in_buffer_ _________extended_buffering____________ no_of_numbers_in_buffer_ ________number_ranges_not_bufferedthe field, include buffer_p und ivbuff_p analog, local filebuffer_p nrbuffer_l char 1 0 ind, note 0023835 buffering rv_beleg / number assignment, previously set buffering method nriv_lokal, buffer_l nrbuffer_l char 1 0 ind, 'menu bar -> edit -> set-, locl fileivbuff_l nrivbuff_l numc 8 0, initially process smaller documents
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| 678501 | System stoppage, locks on table NRIV |
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| 388566 | CS: Measures for performance improvement |
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| 311004 | IS-H: Lock wait for patient accounting |
| 213546 | HPR collective note: POS inbound |
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| 175047 | Causes for FI document number gaps (RF_BELEG) |
| 154091 | Performance in delivery process: Collective note |
| 141497 | Consulting: Buffering of number ranges |
| 37844 | Performance: document number assignment RF_BELEG |
| 23835 | Buffering RV_BELEG / Number assignment in SD |
| 9942 | Maximum number of work processes |