SAP Knowledge Base Article - Preview

2760504 - IQ unresponsive while parallel "alter table move" between dbspaces - SAP IQ


Customer is upgrading from IQ 16 SP11 to IQ 16.1 SP02. In addition moving tables from 100 GB dbfiles ( dbspace1 ) to 500 GB dbfiles ( dbspace2 ).

  • CPU gets quite loaded with single table relocation operation
  • Mostly unresponsive if  more then 3 “alter table … move” statements are issued concurrently



  • SAP IQ 16.0
  • SAP IQ 16.1


SAP IQ 16.0 ; SAP IQ 16.1


hang, stuck, performance, slow, slowness, lock, s_blockmap::AlterMoveData, hos_compress::CmprsLZRW1 , KBA , BC-SYB-IQ , Sybase IQ , Bug Filed

About this page

This is a preview of a SAP Knowledge Base Article. Click more to access the full version on SAP for Me (Login required).

Search for additional results

Visit SAP Support Portal's SAP Notes and KBA Search.