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PMON (ospid: 23645): terminating the instance due to ORA error 471

The following error is received because OOM Killer (Out of Memory Killer) kills Oracle through the operating system due to memory insufficiency.

Error:

PMON (ospid: 23645): terminating the instance due to ORA error 471

Solution:

When we examine the operating system log, it will appear as follows.

To fix the error, we need to increase the memory.

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