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Troubleshooting Long-Running Transactions in Oracle Streams (Doc ID 783927.1)

Last updated on SEPTEMBER 23, 2024

Applies to:

Oracle Database Exadata Express Cloud Service - Version N/A and later
Oracle Database Cloud Schema Service - Version N/A and later
Oracle Database Cloud Service - Version N/A and later
Oracle Database Backup Service - Version N/A and later
Oracle Database - Enterprise Edition - Version 9.2.0.1 to 11.1.0.6 [Release 9.2 to 11.1]
Information in this document applies to any platform.
Oracle Server Enterprise Edition - Version: 9.2.0.1 to 11.1.0.7


Purpose

This note is intended to provide a clear explanation of Streams long-running transactions: what they are, how they occur, and how they interact with the Streams environment are discussed.  Directions are also provided for diagnosis and troubleshooting.

Troubleshooting Steps

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In this Document
Purpose
Troubleshooting Steps
 1. Definition
 

2. Explanation of Behavior
 2.1 Behavior in 9.2
 2.2 Behavior in 10.1
 2.3 Behavior in 10.2 and above
 2.3.1 Effect of the TXN_LCR_SPILL_THRESHOLD Apply Parameter
 
3. Diagnosis
 3.1 Alert Log
 3.2 Database Views
 
3.3 Streams Healthcheck
 3.4 Ad-Hoc LogMiner
 
4. Troubleshooting
 4.1 Ignoring a Long-Running Transaction
 4.1.1 Database Versions 9.2.0.5 to 10.1.0.x
 4.1.2 Database Versions 10.2 and Above
References

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