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Increasing Waits For Db File Async I/O Submit (Doc ID 2509995.1)

Last updated on OCTOBER 24, 2019

Applies to:

Oracle Database - Enterprise Edition - Version 12.1.0.2 and later
Information in this document applies to any platform.

Symptoms

On : 12.1.0.2 version, RDBMS

Increasing waits for db file async I/O submit

From AWR Report:

Event Waits %Time -outs Total Wait Time (s) Avg wait (ms) Waits /txn % bg time
db file async I/O submit 199,978 0 91,581 457.95 0.14 51.84

Changes

 

Cause

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In this Document
Symptoms
Changes
Cause
Solution
References


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