SAP Knowledge Base Article - Preview

2937846 - During Backup versioning and user dbspace usage grow - SAP IQ

Symptom

  • Run BACKUP DATABASE command
  • In the meantime, monitor "Main IQ Blocks Used" with sp_iqstatus, or monitor "Usage" with sp_iqdbspace
  • "Main IQ Blocks Used" and "Usage" are growing over time and could reach a high usage, especially when there are concurrent operations modifying data
  • After backup finishes, "Main IQ Blocks Used" decreases
  • BACKUP could fail with "Out of space error" if there are many concurrent operations creating large versions


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Environment

  • SAP IQ 16.0
  • SAP IQ 16.1

Product

SAP IQ 16.0 ; SAP IQ 16.1

Keywords

version, backup, increase, "out of space" , "Other Versions", "Active Txn Versions" , KBA , BC-SYB-IQ , Sybase IQ , HAN-DYT , SAP HANA Dynamic Tiering , Problem

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