Detecting Blocking Sessions in RAC and non-RAC (Enqueue Locks) Environments
(Doc ID 398519.1)
Last updated on JULY 18, 2023
Applies to:
Oracle Database - Enterprise Edition - Version 7.3.4.0 and laterOracle Database Cloud Exadata Service - Version N/A and later
Oracle Database Backup Service - Version N/A and later
Oracle Database Exadata Express Cloud Service - Version N/A and later
Oracle Database Cloud Service - Version N/A and later
Information in this document applies to any platform.
Goal
Script and explanation for finding blocking and blocked sessions in both RAC (multi instance) and non-RAC (single instance) environments.
Solution
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In this Document
Goal |
Solution |
Purpose |
Requirements |
Configuring |
Instructions |
Script |
Sample Output |