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How To Troubleshoot Statistics Collection Running or Not running In Parallel Issues (Doc ID 1408464.1)

Last updated on MARCH 12, 2021

Applies to:

Oracle Database Cloud Schema Service - Version N/A and later
Oracle Database Exadata Cloud Machine - Version N/A and later
Oracle Cloud Infrastructure - Database Service - Version N/A and later
Oracle Database Backup Service - Version N/A and later
Oracle Database Exadata Express Cloud Service - Version N/A and later
Information in this document applies to any platform.

Purpose

This document intends to help in diagnosing parallel aspects of statistics collection on database objects.
When to expect statistics collection will run parallel, the degree it uses, and recent known issues.

Troubleshooting Steps

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In this Document
Purpose
Troubleshooting Steps
 Small object optimization
 Parallel degree used/specified in statistics gathering call
 Monitor the recursive SQLs initiated by the statistics collection
 Recent Known Issues
References

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