Optimizing Oracle Undo Tablespace Configuration and Monitoring
Identifying Undo Tablespace Issues
When an Oracle database's undo tablespace consistently exceeds 85% utilization despite repeated expansions, it raises questions about actual space requirements and proper configuraton. Key metrics to examine:
SELECT a.tablespace_name,
ROUND(a.bytes/1024/1024/1024, 0) "total_GB",
ROUND(( ...
Posted on Thu, 07 May 2026 10:24:19 +0000 by dicamille
Database Read-Write Splitting Implementation
Core Principles of Read-Write Separation
Database read-write splitting distributes query and modification operations across separate database instances to enhance system performance and scalability. This architectural pattern directs write operations to a primary instance while routing read queries to one or multiple replica instances.
Key Comp ...
Posted on Thu, 07 May 2026 04:51:32 +0000 by the elegant