Performance Issue When Standard Managers Waiting for "enq: TX - row lock contention" Held By ICM
(Doc ID 1492893.1)
Last updated on FEBRUARY 01, 2019
Applies to:Oracle Concurrent Processing - Version 126.96.36.199 to 12.1.3 [Release 11.5 to 12.1]
Information in this document applies to any platform.
Reviewed for Relevance 27 Jan 2019.
Internal Concurrent Manager (ICM) holds TX lock on a lot of rows in FND_CONCURRENT_PROCESSES table. Many Standard Managers are waiting for "enq: TX - row lock contention" held by ICM.
Below SQL was being executed by ICM:
Large numbers of Concurrent Managers defined to support more end users.
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