The QTDELAYED state indicates that a session is waiting for rows to be inserted into a queue table. The QTDELAYED state is limited to 20% of the total possible sessions, which is 120 x the number of PEs. If the 20% limit is exceeded, then error message 3128 appears:
3128 Transaction aborted due to exceeding the maximum consume statement limit.
You must decrease the number of sessions consuming queue table rows. For detailed information on error message 3128, refer to Database Messages, B035-1096.
The QTDELAYED state display for a session is shown here.
State Details : QTDELAYED