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Unload LOCK YES Drain Writers instead of executing LOCK TABLE
When executing HPU in Native MODE with parameters ULLOCK = YES, ULLOCKTE = LOCK and ULLOCKMO = NATIVE_ONLY HPU executes a EXEC SQL LOCK TABLE. Sometimes table being locked is in a TS whose a IX TS lock was left in DB2 due to this table be used in persistent threads (like IMS PWFI) with RELEASE DEALLOCATE. When this occurs LOCK TABLE issued by HPU fails.
Our suggestion is: could HPU has ULLOCKTE like DRAIN, which won't issue a LOCK TABLE stmt ?
Instead of LOCK TABLE, HPU will ask DB2 to DRAIN writers, the same way DB2 Unload utility does.
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