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High Memory Allocation When Using A Temp CLOB In PLSQL (Doc ID 2361937.1)

Last updated on JANUARY 07, 2025

Applies to:

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
Oracle Database Exadata Express Cloud Service - Version N/A and later
Information in this document applies to any platform.

Symptoms

On : 12.2.0.1 version, RDBMS

High PGA memory allocation when using a temp CLOB in PLSQL.
Below PL/SQL illustrates the situation: full_message is a temp CLOB, and taking into account the number of iterations (50000 times in this case), it can use up to 445MB PGA.

 

Changes

 No Changes performed ,expected behavior .

Cause

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In this Document
Symptoms
Changes
Cause
Solution
References


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