Data Warehouse Jobs Slow with 'Direct path read' and 'Db file sequential read' Waits

(Doc ID 2387628.1)

Last updated on APRIL 24, 2018

Applies to:

Oracle Database - Enterprise Edition - Version 10.2.0.4 and later
Information in this document applies to any platform.

Symptoms

"Avg wait (ms)" column from above section are beyond 10 (ms)> Ideally this should be under 10 (ms), values beyond 10(ms) shows that something may be wrong with IO subsystem.

These values indicate that IO is running slow.

Changes

 

Cause

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