DBWR Hangs With Event 'EXTENT MAP LOAD/UNLOCK' During Rebalance
Last updated on NOVEMBER 25, 2011
Applies to:Oracle Server - Enterprise Edition - Version: 126.96.36.199
Information in this document applies to any platform.
If rebalance starts, database hangs in event 'EXTENT MAP LOAD/UNLOCK'.
To check run:
select sid, serial#, type, machine, program from gv$session where event ='extent map load/unlock' ;
Also in traces generated by DBWR processes are reported:
WAIT #0: nam='extent map load/unlock' ....
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