Solution : https://service.sap.com/sap/support/notes/822248 (SAP Service marketplace login required)
Key words :
db2 insert processing favors processing speed, considerable synchronous write activity, large table record length, table vbdata grows unproportionally, optimal insert location, column vbdata shortened, /os vbdata reason, table space grows, bufferpool parameter vdwqt, table space
Related Notes :
122599 | DB2/390: Performance of the update |