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ca Opscenter
Hands-On Lab: Quickly Identify the Fault Domain – Is It the Network, the Server or the Application?Rob Webb
OCX67L #CAWorld
Advisor, Pre-SalesCA Technologies
2 © 2014 CA. ALL RIGHTS RESERVED.
Abstract
Learn how to leverage CA Application Delivery Analysis to simplify and shorten the time it takes to identifying the performance fault domain for effective problem triage and reduced MTTR. (“Hands-On Lab Prerequisite: Demo to Prepare for Hands-On Lab: Quickly Identify the Fault Domain – Is It the Network, the Server or the Application?” is a required prerequisite for attending this lab.)
Rob Webb
CA Technologies
Advisor, Presales
3 © 2014 CA. ALL RIGHTS RESERVED.
Navigation
Log into CAPC Demo– http://pm.demo.ca.com
– User = anpm_u<n>
Where <n> = your assigned pc number
– Password = anpmuser
Dashboards / ANPM– Applications
– Sort “Application Name” Column
Descending Order ^
4 © 2014 CA. ALL RIGHTS RESERVED.
CA Performance Center
Time Settings– Yesterday
08:00 - 16:00
Navigation
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TIXCHANGE T-1 Web (8080) Fault Domain
Tier-1Clients
NETWORK SERVER/APPLICATION
Tier-1Web
7 © 2014 CA. ALL RIGHTS RESERVED.
TIXCHANGE T-2 App (8080) Fault Domain
Tier-2App
Tier-2Clients
NETWORK SERVER/APPLICATION
8 © 2014 CA. ALL RIGHTS RESERVED.
TIXCHANGE T-3 DB (3306) Fault Domain
Tier-3DB
Tier-3Clients
NETWORK SERVER/APPLICATION
10 © 2014 CA. ALL RIGHTS RESERVED.
Poorly Defined Applications
What happens when the applications are already defined and mapped out?
Application Dependency Mapping
11 © 2014 CA. ALL RIGHTS RESERVED.
CA ADA Data Source
Drill into “Links: Engineering…”Filtered on
TIXCHANGE T-1 Web (8080)
Drill into “Links Engineering…”
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CA ADA Engineering
Go to– Engineering
Applications
– Drill Into TIXCHANGE T-1 Web (8080)
14 © 2014 CA. ALL RIGHTS RESERVED.
08:30 Issue
It’s the Network– Retransmission Delay
– Network Round Trip Time
Drill into “Network” link under Retransmission Delay– Which Network is having issues?
15 © 2014 CA. ALL RIGHTS RESERVED.
Unknown Application
What if all we knew was that we have a user complaining about performance when going to a particular server (or servers)?
Let’s assume we do not know anything about this particular application.– Other than the server the users are accessing
– tixchange-web1
18 © 2014 CA. ALL RIGHTS RESERVED.
Server Becomes Client
Copy the Server Name.
Go to Settings.
Remove the Existing Filter.
Paste the Server Name into the Network Search field.– Search and Select the Server as the “Network”.
Click OK to Apply the New Filter.
21 © 2014 CA. ALL RIGHTS RESERVED.
High SRT Dependency
Note that with tixchange-web1 now used as a Network filter– High SRT with tixchange-web1 as a client
– Click on Server Link inside of Server Response Time view
Lists all severs tixchange-web1 was accessing during time referenced
22 © 2014 CA. ALL RIGHTS RESERVED.
Server List for tixchange-web1Independent of any Application/Ports
24 © 2014 CA. ALL RIGHTS RESERVED.
Network = tixchange-app1
Now repeat the above process to look at the servers tixchange-app1 has as dependencies
Settings– Clear existing filters.
– Search on tixchange-app1 as the “Network”.
25 © 2014 CA. ALL RIGHTS RESERVED.
Click Server Link to See Dependencies Number of calls (observations) to DB increased significantly.
26 © 2014 CA. ALL RIGHTS RESERVED.
DB Client
The Database Client is running on the App Server.
The number of calls to the DB drastically increased during said event.
Fault Domain– T-2 Client / T-3 Database
27 © 2014 CA. ALL RIGHTS RESERVED.
For More Information
To learn more about DevOps, please visit:
http://bit.ly/1wbjjqX
Insert appropriate screenshot and text overlayfrom following “More Info Graphics” slide here;
ensure it links to correct pageDevOps
28 © 2014 CA. ALL RIGHTS RESERVED.
For Informational Purposes Only
© 2014 CA. All rights reserved. All trademarks referenced herein belong to their respective companies.
This presentation provided at CA World 2014 is intended for information purposes only and does not form any type of warranty. Some of the specific slides with customer references relate to customer's specific use and experience of CA products and solutions so actual results may vary.
Terms of this Presentation