Initial Extent Size of a Partition Changed to 8MB from 64KB After Upgrade to 11.2.0.2 or Later
(Doc ID 1295484.1)
Last updated on NOVEMBER 07, 2023
Applies to:
Oracle Database - Enterprise Edition - Version 11.2.0.2 to 12.1.0.2 [Release 11.2 to 12.1]Oracle Database Cloud Schema Service - Version N/A and later
Oracle Database Exadata Cloud Machine - Version N/A and later
Oracle Cloud Infrastructure - Database Service - Version N/A and later
Oracle Database Cloud Exadata Service - Version N/A and later
Information in this document applies to any platform.
Symptoms
Table partition created in 11.2.0.2 has default initial extent size 8MB vs 64KB in previous versions.
Table created in 11.2.0.2 having many partitions with few rows in each, consumes more space than in earlier versions.
Changes
Upgrade to 11.2.0.2 or later from releases earlier than 11.2.0.2
Cause
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In this Document
| Symptoms |
| Changes |
| Cause |
| Solution |
| Explanation of the default behaviour in 11.2.0.2 and above (upto 12.1.0.2, the latest checked) |
| How to Achieve the Pre-11.2.0.2 Behaviour |
| How to query the value of this parameter |
| References |