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ORA-56720: I/O data limit exceeded - call aborted (Doc ID 1197374.1)

Last updated on OCTOBER 08, 2024

Applies to:

Oracle Database - Enterprise Edition - Version 11.1.0.6 to 11.2.0.1 [Release 11.1 to 11.2]
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 Backup Service - Version N/A and later
Information in this document applies to any platform.

Symptoms

On 11g database executing a complex query consecutively may fails with the following error :
ORA-56720: I/O data limit exceeded - call aborted

Changes

1-Resource manager is enabled and the parameter SWITCH_IO_MEGABYTES is altered (default is unlimited).
2-If query is not executed immediately after the first run it succeeds.

Cause

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In this Document
Symptoms
Changes
Cause
Solution

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