Oracle GoldenGate 12c: Troubleshooting and Tuning Training

Live Online & Classroom Enterprise Certification Training

This Oracle GoldenGate 12c Troubleshooting and Tuning course teaches you the skills to be self-sufficient in gathering and examining evidence; you’ll also learn to solve case problems, diagnose their cause and find methods of resolution. Each of these practices challenges you to diagnose and troubleshoot the issue using GoldenGate software.

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What is 12c: Troubleshooting and Tuning Certification Training about?

This Oracle GoldenGate 12c Troubleshooting and Tuning training teaches you how to gather and examine evidence; you’ll also learn to solve case problems, diagnose their cause and find methods of resolution. Each of these practices challenges you to diagnose and troubleshoot the issue using GoldenGate software.

By enrolling in this course, you'll develop deeper knowledge of Oracle GoldenGate 12c performance tuning methods. Expert instructors will teach you how to identify the causes of slow startups, evaluate lag statistics and solve network and disk bottlenecks. Utilize all of the existing GoldenGate tools, such as GGSCI and Logdump, the health check scripts and the Streams Performance Advisor (UTL_SPADV) to troubleshoot system issues occurring to both classic extract/replicat and integrated extract/replicate.

This training is on a Linux platform; however many of the troubleshooting techniques are equally applicable to a Windows or iSeries platform. The databases used for source and target are Oracle 12cR1. Many of the techniques are also applicable to DB2, SQL Server, MySQL, etc.

What are the objectives of 12c: Troubleshooting and Tuning Certification Training ?

Monitor and tune performance
Gather evidence to help troubleshoot problems
Use troubleshooting tools
Familiarize with the latest tools to troubleshoot Integrated Extract/Replicat
Describe solutions for the most common problems

Who is 12c: Troubleshooting and Tuning Certification Training for?

Database Administrators
System Administrator
System Integrator
Implementation Consultant
Systems Architects
Data Warehouse Administrator

What are the prerequisites for 12c: Troubleshooting and Tuning Certification Training?

Suggested Prerequisite

Familiarity with the Oracle Database

Required Prerequisite

Oracle GoldenGate 12c: Fundamentals for Oracle

Available Training Modes

Live Online Training

32 Hours

Classroom Training

4 Days

Course Outline Expand All

Expand All

Gathering Evidence

GGSCI

Competently using the tools mentioned above to gather evidence about alleged issues occurring to an Oracle GoldenGate environment

Error Logs, Process Reports, Discard File, System Logs

Acquiring confidence using the standard Oracle GoldenGate tools normally used to interact with the software:

Oracle GoldenGate Troubleshooting Tools

Consulting the Documentation

Accessing knowledge Documents - Mailing lists, Oracle GoldenGate forums, etc.

Getting familiar with the logdump utility

Getting familiar with the ShowSyntax parameter

Basic and Startup Problems

Verifying that the the parameter file exists, has the same name as the Extract/Replicat group, and is accessible by Oracle GoldenGate

Introducing the use of CHECKPARAMS to verify that the parameter syntax is correct

Verifying file names, file permissions, consistency between Extract and Replicat group names and their supporting files

Getting familiar with basic problems

Developing the ability to deal with Extract and Replicat startup issues

Verifying that the correct software version has been installed

Verifying that the Oracle GoldenGate manager is running, that the group name which fails to start exists and is not misspelt

Verifying consistent naming convention when defining trail files and their reference in the Extract/Replicat parameter files

Data Extraction Problems

Analyzing various causes of a slow Extract startup

Introducing the use of the CacheMgr parameter to control the virtual memory and temporary disk space that are available for caching uncommitted transaction data

Was the primary Extract or the data pump stopped, re-added, or restarted without resetting the data pump’s read position in the local trail?

In-depth analysis of abending data pumps: Does the data pump abend with error number 509 (Incompatible record)?Have the source tables been changed? Is the Extract abending due to data manipulation?

In-depth analysis of abending Extracts: is Extract unable to open the transaction logs? - Checking to see if the disk is full -Is an archive log missing?

Tracing may be enabled, activity logging may be enabled, many columns listed in tables being replicated

Developing the ability to deal with and troubleshoot data extraction issues:Extract is slow - Extract abends - Data pump abends

Data Replication Problems

Verifying that the Replicat is reading the trail to which Extract is writing

Analyzing the reasons why a Replicat abends: Is Replicat unable to locate a trail? Is Replicat unable to open a trail file? Was Add TranData issued for each table?

Analyzing the various causes of a stuck Replicat: Does Stats Replicat return no statistics? Do successive Info Replicat commands indicate that the Replicat read checkpoint is not moving?

Developing the ability to deal with and troubleshoot data replication issues:

Missed Transactions

'Single quotes' on object names imply case-sensitive names for some databases (including the Oracle database)

Are the transactions coming out of the source system properly?

Analyzing the reasons why transactions are not being processed: Were the tables included in Table and Map statements? Are fully qualified names (owner.table) used for both Table and Map?

Developing the ability to deal with and troubleshoot missed transactions involving issues such as: Tables that are not properly specified - Missing Add TranData command - LOB data not replicating

Mapping and Synchronization Problems

Is KeyCols being used? Are both source and target KeyCols being used? Corresponding source and target columns must match.

Are WHERE clauses comparing different data types?

Do table and column names contain only supported characters?

Analyzing the causes of various mapping problems:Is Extract returning fetch-related errors? Was the row containing the data deleted?

Has the undo retention expired?

Is NoUseLatestVersion for FetchOptions being used?

Developing the ability to deal with and troubleshoot mapping problems, such us: Fetching from the source data fails - Table and column names not matching between the source and the target

Do the source and target tables exist in the databases? Are they specified correctly in the Table or Map statement? Are their names fully qualified (schema.table)?

SQLEXEC, File-Maintenance, and Other Problems

SQLEXEC problems - File-maintenance problems - Time differences - Too many open cursors

Developing the ability to deal with and troubleshoot

File-Maintenance Problems: Discard File Is Not Created - Discard File Is Too Big - Trail File Is Too Big

Miscellaneous Problems: Time Differences - INFO Command Shows Incorrect Status

Classic Performance Tuning

Monitoring lag and statistics

Tuning Manager

Identifying network and disk bottlenecks

Tuning Classic Extract

Tuning Classic Replicat

Identifying causes of slow startups

Integrated Performance Tuning

Familiarizing with the new V$ tables holding real time Oracle GoldenGate statistics

Describing architecture and advantages of the new Integrated capture

Describing architecture and advantages of the new Integrated delivery

Integrated Capture and Delivery Troubleshooting

Familiarizing with Troubleshooting Aids and Tools for Integrated Replication

Describing the Oracle Database 12c GoldenGate AWR report

Describing Oracle GoldenGate Healthcheck for Integrated Replicat

Who is the instructor for this training?

The Trainer is Oracle certified Instructor with extensive domain experience, including years of experience training & mentoring professionals in the industry.

12c: Troubleshooting and Tuning Certification Training - Certification & Exam

SpringPeople is the Authorized Training Partner of Oracle.
The training fees is exclusive of exam cost.
For any queries; feel free to reach us at oracle@springpeople.com

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