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2523141 - Recurring error 644 as a result of concurrent DML - SAP ASE

Symptom

  • ASE errorlog reports error 644 (row entry missing from index page)
  • The error is recurring and usually seen for one or a small number of tables with similar DDL and activity profile:

Error: 644, Severity: 21, State: 5
Index row entry for data row id (123456, 1) is missing from index page 456789 of index id 3 of table 'my_table' in database 'my_db'. Xactid is (987654,2)
Drop and re-create the index.


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Environment

  • SAP Adaptive Server Enterprise (ASE) 15.7 
  • SAP Adaptive Server Enterprise (ASE) 16.0
  • "enable housekeeper GC" set to 4 or 5

Product

SAP Adaptive Server Enterprise 15.7 ; SAP Adaptive Server Enterprise 16.0

Keywords

corrupt, housekeeper, garbage, collection, aggressive, HKGC, non-clustered index, delete, GC, self deadlock, self-deadlock, CR800627,CR#800627, 800627 , KBA , BC-SYB-ASE , Sybase ASE Database Platform (non Business Suite) , Bug Filed

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