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Exadata: Storage Index Efficiency Drops After Upgrade to Storage Software Version 18.1.x (Doc ID 2388688.1)

Last updated on APRIL 30, 2018

Applies to:

Oracle Exadata Storage Server Software - Version 18.1.0.0.0 to 18.1.4.0.0 [Release 12.2]
Information in this document applies to any platform.

Symptoms

Customers may experience Exadata smart scan performance issues due to reduced storage index usage after the cells are upgraded to Software image version 18.1.x

As you see in the above statistics, the Cell IOs saveby the storage indexes dropped after the upgrade. 

Changes

Storage software version upgraded to 18.1.x 

Cause

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