IOUG Collaborate 18 - Get the Oracle Performance Diagnostics Capabilities You Need without Spending a Fortune

1. Get the Oracle Performance
Diagnostics Capabilities You Need
without Spending a Fortune
Product Manager for Database Tools
April 24th , 2018
Pini Dibask
IOUG
Collaborate
2018

2. Confidential2
• Pini Dibask, Product Manager for Database Tools, Quest Software
• From Israel, Tel Aviv
• Oracle ACE
• Oracle Certified Professional DBA (OCP)
• Public Speaker: Oracle OpenWorld, IOUG Collaborate, DOAG, OUGN, AOUG
• Blogger: OracleDBPro.BlogSpot.com
Pini.Dibask@Quest.com
http://Linkedin.com/in/pinidibask
@pini_dibask
About the Speaker

3. Confidential3
Who is Quest Software?
9 0 % o f
F o r t u n e 1 0 0
using our
software
1 , 5 0 0
engineers building
quality products
4 M
c o m m u n i t y
m e m b e r s
sharing best practices
3 , 5 0 0
employees focused
on customers
Quest is a global software provider trusted by
100,000 customers and 6,000 partners in 100
countries.
We help IT organizations spend less time on
administration and more time on innovation.
6 , 0 0 0
partners selling
our software

4. Confidential4
• Toad database development &
management tools
• Foglight & Spotlight database
performance monitoring
solutions
• SharePlex for heterogeneous
database replication
Quest Database Management Solutions

5. % Organisations where
numbers of Databases
per DBA are increasing
% of DBAs are
responsible for 3 or more
platforms
These numbers tell a story…
% of DBAs consider
performance their most
important responsibility

6. Confidential6
 Which SQL Statements are the highest database time consumers?
 AKA “Time-based analysis”
 How to understand the correlation between changes and DB workload?
 Index dropped
 Parameter changed
 How to analyze execution plans?
 Can be quite complicated to understand
 How to compare between good and bad?
Top Database Performance Mysteries

7. Confidential7
 Database Time = CPU Time + Non-Idle Wait Events
 Total DB Time = Sum of DB time for all active sessions
Performance Tuning Ultimate Goal is to reduce the total DB Time
Performance Tuning - Concepts

8. What do these three things have in common?

9. They all provide a clearer perspective -
You can’t fix what you can’t see!
What if you could…
Gain complete visibility into the
health and performance of your
database environment

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The Traditional Oracle Solution - Diagnostics Pack
 AWR (Automatic Workload Repository)
 ASH (Active Session History)
 ASH Analytics

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Oracle Diagnostics Pack - The Challenge
 Diagnostics Pack is an option in Enterprise Edition
 Some customers don’t own Enterprise Edition
 Some customers own Enterprise Edition but without the Diagnostics pack

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So what options do you have?
 Oracle Statspack (was introduced in Oracle 8)
 Complex & Long reports (up to 30 pages!)
 Requires expertise

13. Confidential13
Not having the right tools can feel like…

14. What if you could…
Get the performance diagnostics
you need without spending a
fortune?

15. Confidential15
Foglight for Databases: Cross Platform Visibility

16. Confidential16
Database as a Service
(Cloud Databases)
Open Source
Relational
Traditional
Relational
Which DB Platforms do we support?
NoSQL

17. Confidential17
What is Foglight SQL PI ?
 Analysis tool-set with unique performance diagnostics capabilities
 Simplified deployment
 Embedded repository
 Remote data collection (“Agentless”)
 All database editions and configurations

18. Deep-dive Multi-Dimensional workload analysis

19. Investigate Multi-Dimensional wait-events & statistics

20. Analyze Sessions historical activity

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Workload Activity Highlights

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Workload Activity Highlights – Filtered by Dimension

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How can I as a DBA resolve performance
degradation due to blocking lock issues?
Mysteries of Database Performance Problems

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 Why locks? Because Databases need to support multiple user applications
 Used to ensure Database Consistency and Integrity
 Affect the interaction of readers and writers
 Every DBMS has its own implementation of locking mechanism
Overview of Database Locks

25. Confidential25
Quickly identifying Blocking locks issues

26. Confidential26
Quickly identifying Blocking locks issues

27. Confidential27
Quickly identifying Blocking locks issues

28. Confidential28
Quickly identifying Blocking locks issues

29. Confidential29
Quickly identifying Blocking locks issues

30. Confidential30
Quickly identifying Blocking locks issues

31. Confidential31
How can I as a DBA identify performance
degradation due to excessive I/O activity?
Mysteries of Database Performance Problems

32. Analyze I/O-related wait events & statistics

33. Confidential33
How can I correlate between database
performance degradations and changes in my
environment?
Mysteries of Database Performance Problems

34. Track Changes & Correlate them with your workload

35. Confidential35
How can I as a DBA easily understand
execution plans?
Mysteries of Database Performance Problems

36. Analyze Execution Plans

37. Confidential37
How can I as a DBA understand performance
degradation due to execution plans changes?
Mysteries of Database Performance Problems

38. Compare between different Execution Plans

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How can I as a DBA compare performance
between production and test environments?
Mysteries of Database Performance Problems

40. Compare different Instances or Dimensions

41. Compare different Instances or Dimensions

42. Compare different Instances or Dimensions

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Which steps should I take in order to tune the
Database performance?
Mysteries of Database Performance Problems

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Advisories

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Modern DBAs are Under Pressure
DBA
Manage Multiple
Database
Platforms &
Editions
Adjust to the
Changing
Technology
Deliver Best
Performance and
Stability

46. Confidential46
Quest provides your team with the tools to cover all of your
database platforms…
* Platform support varies from tool to tool

47. Questions?

48. Thank you