In this Document

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Symptoms

Changes

Cause

Solution

References

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APPLIES TO:

Oracle Database - Enterprise Edition - Version 11.1.0.6 and later
Information in this document applies to any platform.

SYMPTOMS

Database is running very slow and appears to hang.

CHANGES

Memory_max_target set much higher than available RAM

CAUSE

Memory_max_target set outside of physical RAM causing Oracle to spill over to Virtual Memory, thus slowing system down.

SOLUTION

分享文章：IncorrectMEMORY_MAX_TARGET(>AvailableRAM)CanLeadToDatabaseHangs
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