Library Cache Locks With Enq: SQ - Contention
(Doc ID 2930875.1)
Last updated on JULY 20, 2024
Applies to:
Oracle Database - Enterprise Edition - Version 19.14.0.0.0 and laterInformation in this document applies to any platform.
Goal
High waits on enq: SQ - contention on sequence IDGEN1$.
LOB IDs are generated using system generated sequence idgen1.
A high number of row inserts are inserting to table with lob column. Altogether they account for 80 Million rows.
With a smaller cache size, the cache would be quickly exhausted with direct path loads in such case.
Solution
To view full details, sign in with your My Oracle Support account. |
|
Don't have a My Oracle Support account? Click to get started! |
In this Document
Goal |
Solution |