OCI: I/O Hung in Oracle Linux Instance After CPU Scale Down (Doc ID 2794788.1)

Last updated on APRIL 03, 2023

Applies to:

Oracle Cloud Infrastructure - Version N/A and later
Linux OS - Version Oracle Linux 7.0 and later
Linux x86-64

CPU scaling down resulted in a high server load average and blocked I/O in OCI instance.

Two Call stacks were observed in the instance after CPU scale down.

A) Waiting on IO

CPU was scaled down.

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In this Document

Symptoms

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