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Enq: MS - Contention When Using Timestamp-based Mview Log (Doc ID 2555801.1)

Last updated on APRIL 01, 2021

Applies to:

Oracle Database - Enterprise Edition - Version and later
Information in this document applies to any platform.


Mview is using "Timestamp-based Mview Log", and occasionally lots of select and insert statement are blocked by "Enq: MS - Contention" when J000 process is refreshing the MVIEW, the session held MS enqueue is performing below SQL statement:



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