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Performance Issue with Update Statement in Compressed Tablespace (Doc ID 1101900.1)

Last updated on FEBRUARY 20, 2019

Applies to:

Oracle Database - Enterprise Edition - Version 11.1.0.7 and later
Oracle Database Cloud Schema Service - Version N/A and later
Oracle Database Exadata Express Cloud 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
Information in this document applies to any platform.

Symptoms

NOTE: In the images and/or the document content below, the user information and data used represents fictitious data from the Oracle sample schema(s) or Public Documentation delivered with an Oracle database product. Any similarity to actual persons, living or dead, is purely coincidental and not intended in any manner. 

Oracle 11.1.0.7

Full table update statement (With 1.2 Million records) is running very slow (taking forever) with Advanced Compression enabled for the tablespace containing that table. Duplicated the table in a different tablespace with Advanced Compression Off and the same update statement executed in couple of minutes.

Changes

 

Cause

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In this Document
Symptoms
Changes
Cause
Solution
References


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