HOW TO PERFORM AN EBS DATABASE HEALTH CHECK BEFORE GOING TO THE CLOUD DIMAS CHBANE ACCENTURE ENKITEC GROUP

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1 HOW TO PERFORM AN EBS DATABASE HEALTH CHECK BEFORE GOING TO THE CLOUD DIMAS CHBANE ACCENTURE ENKITEC GROUP

3 WHO I AM Dimas Chbane Consultant / DBA / Analyst Focus areas: Databases EBusiness Suite Twitter: DChbane Blog: dimas-chbane.net Emai: dchbane1@yahoo.com Copyright 2016 Accenture All rights reserved. 3

4 A WORD ABOUT THE CLOUD

CLOUD IS ASSUMED: IT S NOT A QUESTION OF IF, BUT WHEN Challenges exist for enterprises Every enterprise starting point is different Questions to ask What business problem are you trying to solve with

5 CLOUD IS ASSUMED: IT S NOT A QUESTION OF IF, BUT WHEN Challenges exist for enterprises Every enterprise starting point is different Questions to ask What business problem are you trying to solve with a cloud implementation? How many people does this problem affect in your organization? How are you currently solving this problem? Has a budget been established to solve this problem with cloud? How are you going to divorce your cloud partner if you are not happy? Copyright 2016 Accenture All rights reserved. 5

6 BACK TO THE HEALTH CHECK 6

7 ANALOGY How would you like it to be How it really is Optimistic view: It is broken only on one side! What you want to avoid How your boss expects you to fix it Copyright 2016 Accenture All rights reserved. 7

8 WHY A DB HEALTH CHECK? Proactively looking for problems before they manifest Looking for opportunities for improvement To use as baseline before an upgrade or migration Before moving to a new platform If having performance, stability or scalability issues Checking for cloud readiness Copyright 2016 Accenture All rights reserved. 8

FIRST THINGS FIRST: Fundamental things for good performance: Database

DATABASE PARAMETERS Database Initialization Parameters for Oracle Applications 11i (Doc ID 216205.1) Database Initialization Parameters for Oracle Applications R12 (Doc ID 396009.1) bde_chk_cbo.

10 DATABASE PARAMETERS Database Initialization Parameters for Oracle Applications 11i (Doc ID ) Database Initialization Parameters for Oracle Applications R12 (Doc ID ) bde_chk_cbo.sql - Reports Database Init Parameters related to an Apps 12 or 11i (Doc ID ) EBS Database Parameter Settings Analyzer (Doc ID ) Parameters: Mandatory Sizeable Example for Database 12c: Optimizer_adaptive_features=False Copyright 2016 Accenture All rights reserved. 10

11 GATHERING STATISTICS For most of the objects, gathering stats once a week is enough If there are volatile objects, gather stats only for those objects Supported ways: using Gather Schema Statistics concurrent program or FND_STATS Don t use DBMS_STATS directly for EBS objects (because FND_HISTOGRAM_COLS) Consider using GATHER_AUTO option Modification threshold defaults to 10%, but can be changed Stats will be gather on objects that have %DML > 10% of (total number of rows) Consider using Auto Sample Size In DB 11g and 12c, Auto Sample Size is the default Uses new hash algorithm that Oracle says that is almost as good as 100% sample size Remember of Data Dictionary and Fixed Objects stats Review: Best Practices for Gathering Statistics with Oracle E-Business Suite (Doc ID ) Copyright 2016 Accenture All rights reserved. 11

12 DB PATCHING Keep database and application versions current Release Schedule of Current Database Releases (Doc ID ) Oracle Recommended Patches -- Oracle Database (Doc ID ) Copyright 2016 Accenture All rights reserved. 12

13 EBS PATCHING Make sure to apply the patches listed in the Release Notes: Oracle E-Business Suite Release Readme(Doc ID ) Oracle E-Business Suite Release Readme (Doc ID ) Oracle E-Business Suite Release Readme(Doc ID ) Each product has a separate Release Note Oracle E-Business Suite Product Specific Release Notes, Release (Doc ID ) Performance Patches Oracle E-Business Suite Recommended Performance Patches (Doc ID ) Patch Wizard How to Find E-Business Suite Recommended Patches (Note ) Copyright 2016 Accenture All rights reserved. 13

1) EBS Workflow (WF) Analyzer(Doc ID 1369938.

14 ANALYZERS Get Proactive with Oracle E-Business Suite - Product Support Analyzer Index (Doc ID ) EBS Database Parameter Settings Analyzer (Doc ID ) EBS Workflow (WF) Analyzer(Doc ID ) EBS Concurrent Processing (CP) Analyzer(Doc ID ) Orachk / Exachk ORAchk - Health Checks for the Oracle Stack (Doc ID ) Copyright 2016 Accenture All rights reserved. 14

16 EDB360

17 EDB360 A shell script runs edb360 on all databases Installs nothing and it is free! Set of files driven by one index.html file One ZIP file with a set of files (thousands) Copyright 2016 Accenture All rights reserved. 17

21 DEMO

22 THANK YOU Q& A

Configuration changes such as conversion from a single instance to RAC, ASM, etc.

Configuration changes such as conversion from a single instance to RAC, ASM, etc. Today, enterprises have to make sizeable investments in hardware and software to roll out infrastructure changes. For example, a data center may have an initiative to move databases to a low cost computing