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The reason why "oracle thread bootstrap" blocked "enq: DA - Slave Process Array" (Doc ID 3026005.1)

Last updated on MAY 30, 2024

Applies to:

Oracle Database - Enterprise Edition - Version 19.19.0.0.0 and later
Information in this document applies to any platform.

Symptoms

The database often has performance issues, each lasting about 30 seconds.

The problem symptom is that when many sessions are waiting for "enq: DA - Slave Process Array", but are eventually blocked by "oracle thread bootstrap", the database performance will degrade.

 

Ash dump

 

 

Changes

 

Cause

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In this Document
Symptoms
Changes
Cause
Solution
References


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