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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 FEBRUARY 03, 2019

Applies to:

Oracle Database - Enterprise Edition - Version 11.2.0.2 to 12.1.0.2 [Release 11.2 to 12.1]
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


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