HW enqueue contention can occur for LOB segments which are ASSM managed
as space allocation only acquires one block at a time.
With this fix ASSM lobs get a minimum number of chunks based
on the value of event 44951 (up to 1024) which should help
remove enqueue contention.
Please note: The above is a summary description only. Actual symptoms can vary. Matching to any symptoms here does not confirm that you are encountering this problem. For questions about this bug please consult Oracle Support.
(This link will only work for PUBLISHED bugs) Note:245840.1 Information on the sections in this article