ORA-56720: I/O data limit exceeded - call aborted

(Doc ID 1197374.1)

Last updated on DECEMBER 06, 2016

Applies to:

Oracle Database - Enterprise Edition - Version 11.1.0.6 to 11.2.0.1 [Release 11.1 to 11.2]
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

Sign In with your My Oracle Support account

Don't have a My Oracle Support account? Click to get started

My Oracle Support provides customers with access to over a
Million Knowledge Articles and hundreds of Community platforms