3235310 - The role of database level tuning in case of table declustering with ICNV

Declustering is sooner or later necessary for all clustered tables due to desupport of this feature. Declustering can be done with SWPM or with transaction ICNV. The latter is done online and is recommended in case one strives for a short business outage. However, the declustering of a table with ICNV can take a long time, weeks or even months.

declustering ICNV SWPM export import runtime RFBLG performance parallelity , KBA , BC-DB-ORA , Oracle , BC-DB-DB6 , DB2 Universal Database for Unix / NT , BC-UPG-TLS-TLA , Upgrade tools for ABAP , BC-DB-DB2 , DB2 for z/OS , Problem