Propagation Blocked by Qmon Process - Streams_queue_table / 'library cache lock' waits
Last updated on MAY 12, 2017
Applies to:Oracle Database - Enterprise Edition - Version 10.2.0.1 to 126.96.36.199 [Release 10.2 to 11.1]
Information in this document applies to any platform.
No messages are propagated and attempting to stop the queue does not complete.
From a system state dump/ level 266 the following are observed:
- the relevant qmon slave / q0* is holding a shared lock on the Streams
- this process is performing : 'db file sequential read';
- this process shows in its stack the functions :
.. kwqbmrcvq() kwqbmrcvmain() kwqmnslv() ...
- other processes are waiting on this process to complete
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