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(ATS3-APP14) Troubleshooting
Symyx Notebook client performance
                               Mike Wilson
                  Advisory Product Manager
                  mike.wilson@accelrys.com
The information on the roadmap and future software development efforts are
intended to outline general product direction and should not be relied on in making
a purchasing decision.
Agenda

•   Notebook application overview
•   System performance – a complex set of relationships
•   Assessing Notebook performance
•   Leveraging Accelrys support
•   Q&A
Notebook High-Level Architecture


                   Oracle            Content
                                                                     Data Warehouse
                                                                                          Direct Cartridge
                                   Management


                   Accelrys Vault Server                                                                            Pluggable       Automation
                                                                                                                    Services        Studio
                    Services                                                                                            Lab
  Administration                                                                                                                    Registration
                                                                                                                     Automation




                                                                                                    Authorization
     Workflow        Workflow         Repository        Index               Query
     Designer                                                                                                         Material
                                                                                                                     Registration   OpenEye
   Configuration                    Windows Communication Foundation                                                   Material
   Management                                                                                                                       Discovery
                                                Authentication                                                         Lookup
                                                                                                                                    Gate W-S


                                        Symyx Notebook by Accelrys
                                                Framework Platform
                                                 Notebook Platform
                                                                                                                    Accelrys Draw
                      Experiment     Notebook                                         Materials &
                                                    Reporting        Search                                            Renditor
                        Editor       Browser                                          Chemistry
Symyx Notebook Deployment


  • Centralized Deployment
      – App servers located close to
        database server
      – Clients installed locally or accessed
        centrally via Citrix
  • Scaling
      – Multiple app servers behind load
        balancer
      – Database clustering via Oracle
        tools
  • Virtualization
      – VMWare ESX server support
      – Citrix XenApp client support
Response Time Breakdown
•   Response time can be divided into 9 components
     –   Client processing
     –   Network transit from client to middle tier
     –   Middle tier processing
     –   Network transit from middle tier to database tier
     –   Database tier processing
     –   Network transit from database tier to middle tier
     –   Middle tier processing
     –   Network transit from middle tier to client
     –   Client processing

•   The key to understanding a performance problem is to isolate these 9 components to
    determine which contributes most to the problem. With that information it becomes
    possible to define an approach to solving the problem that will yield the largest
    improvement.
A day in the life….
•   “Hello, Help Desk, Mike speaking…”
     – “This is Conrad in the lab. I’m trying to save a Notebook document and it’s taking FOREVER! It never
       used to do this but now it’s so slow that I can’t do anything!”
•   “Hmmm… Did you try re-booting your computer?”
     – “Are you serious?”
•   “Okay…we’ll take a look at the server and see what’s going on.”

•   A few hours later…

•   “Hey Conrad, this is Mike from the Help Desk. Is Notebook working better now?”
     – “Let me check. Wow, it’s fast again! What did you do?”
•   “We checked the servers and everything looked fine. Must have been a temporary glitch.
    I will mark your trouble ticket resolved.”



                                And the next day? Guess who’s calling again…
Getting Started

• Performance problems can be intermittent, based on
  qualitative assessments (seems slower), and are
  generally of unknown (at the time) origin

• Pre-requisites to a positive troubleshooting experience
   – Up to date network diagram for your deployment
   – Baseline performance data based on periodic measurements
First Questions…
• Is the problem localized or widespread?
• Can it be easily reproduced?

• Can the problem be isolated to a specific response time
  component?

• Your toolkit
   – Client-side logging
   – Network application monitors
   – Network health monitors
The next question…What Changed?
• Multi-tier systems have many moving parts that are typically managed by many
  groups (or companies!)
    –   Database hardware, OS, Oracle, database instance
    –   Middle tier hardware, OS, IIS, firewall, AV, proxy, domain contact
    –   Client tier OS, patch set, pushed app configuration
    –   Virtualization/shared services creates another complication
    –   # of users, changes to system configuration

• One of the first challenges is to figure out what is different today, your toolkit
  includes:
    –   Installation Qualification, Operation Qualification
    –   Health monitors
    –   Periodic configuration/status reports (database and app tier)
    –   Change history log that tracks all configuration changes made to the system
Tools for Troubleshooting SN
        Performance
Periodic Performance Baselines


                                 • Consistent, periodic
                                   baselines aid later
                                   troubleshooting
                                    – Important to run across sites

                                 • Accelrys provides a
                                   standard set of tests via the
                                   support team
                                    – Use of the same tests can
                                      allow comparison to Accelrys
                                      performance testing
Client Performance Logging

• Client performance logging is
  enabled in the app config file
    – Login performance is tracked by
      default
    – Check-in, Check-out, Script
      performance must be enabled
      manually

• Logs can be easily analyzed in Excel
    – Append multiple logs
    – Date/Time in GMT
    – User and source computer captured

• Tip: log periodic baselines for easy
  analysis
Change Logs
• A complete chronology from the initial install to present detailing
  what changes have been made to the system – this should include
  but not be limited to the following:
   – How and when users were added to the system
   – Changes to workflow
   – Any customizations that were introduced, and the source code, tests,
     requirements
       •   Scripts
       •   Custom forms
       •   Custom workflow activities
       •   Custom Web services
• What (if any) adapters are installed
Leveraging Accelrys Support
Customer Resources

• Line up the following resources to assist the Accelrys
  support team
   – Database tier owner (DBA)
   – Middle tier owner (OS/IIS)
   – Network analyst (load balancer, DNS, etc.)
System Configuration Info

• Site audit
   –   Current deployment network diagram
   –   Adapters that are part of the deployment
   –   # of users, # of PSDs
   –   IQ/OQ from most recent upgrade/install
• Change log from initial install to present
   – History of user expansion in system
   – Customizations that have been introduced (and when)
Operational Data
• Middle Tier
   –   All Vault debug logs
   –   Configuration files
   –   Windows event logs
   –   Ping times to/from client and database
   –   CPU utilization reports
   –   Load balancer configuration

• Database Tier
   – Strongly recommended: AWR and ADDM reports from periods with good as well as bad
     performance (requires Oracle Diagnostics Pack)
   – Oracle health monitor report
   – Verify that statistics are up to date and are collected regularly
   – CPU and disk utilization reports
CSI: Symyx Notebook
Common root causes taken from real support cases:

• General slowdowns gradually getting worse over time
   – Oracle database statistics jobs were not running. Without up to date statistics,
     Oracle queries become progressively more inefficient
• Periodic slowdowns affecting all users
   – Oracle tablespace extent size set very low causing frequent extensions to
     tablespaces, slowing response as disk was allocated
• Some users get fast responses while others are slow
   – Load balancer distribution overloaded one server while others were lightly used
• Saving documents extremely slow while browse/open are normal
   – Problem eventually isolated to a network link that was slow in one direction
Summary

• Effective performance troubleshooting benefits from a
  consistent approach and strong collaboration between
  your team and Accelrys support

• Resources
   – Notebook IT/Admin forum on the Accelrys Community
      • Email support@accelrys.com to join
   – Troubleshooting guidance: support@accelrys.com
The information on the roadmap and future software development efforts are
intended to outline general product direction and should not be relied on in making
a purchasing decision.


For more information on the Accelrys Tech Summits and other IT & Developer
information, please visit:
https://community.accelrys.com/groups/it-dev

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(ATS3-APP14) Troubleshooting Symyx Notebook client performance

  • 1. (ATS3-APP14) Troubleshooting Symyx Notebook client performance Mike Wilson Advisory Product Manager mike.wilson@accelrys.com
  • 2. The information on the roadmap and future software development efforts are intended to outline general product direction and should not be relied on in making a purchasing decision.
  • 3. Agenda • Notebook application overview • System performance – a complex set of relationships • Assessing Notebook performance • Leveraging Accelrys support • Q&A
  • 4. Notebook High-Level Architecture Oracle Content Data Warehouse Direct Cartridge Management Accelrys Vault Server Pluggable Automation Services Studio Services Lab Administration Registration Automation Authorization Workflow Workflow Repository Index Query Designer Material Registration OpenEye Configuration Windows Communication Foundation Material Management Discovery Authentication Lookup Gate W-S Symyx Notebook by Accelrys Framework Platform Notebook Platform Accelrys Draw Experiment Notebook Materials & Reporting Search Renditor Editor Browser Chemistry
  • 5. Symyx Notebook Deployment • Centralized Deployment – App servers located close to database server – Clients installed locally or accessed centrally via Citrix • Scaling – Multiple app servers behind load balancer – Database clustering via Oracle tools • Virtualization – VMWare ESX server support – Citrix XenApp client support
  • 6. Response Time Breakdown • Response time can be divided into 9 components – Client processing – Network transit from client to middle tier – Middle tier processing – Network transit from middle tier to database tier – Database tier processing – Network transit from database tier to middle tier – Middle tier processing – Network transit from middle tier to client – Client processing • The key to understanding a performance problem is to isolate these 9 components to determine which contributes most to the problem. With that information it becomes possible to define an approach to solving the problem that will yield the largest improvement.
  • 7. A day in the life…. • “Hello, Help Desk, Mike speaking…” – “This is Conrad in the lab. I’m trying to save a Notebook document and it’s taking FOREVER! It never used to do this but now it’s so slow that I can’t do anything!” • “Hmmm… Did you try re-booting your computer?” – “Are you serious?” • “Okay…we’ll take a look at the server and see what’s going on.” • A few hours later… • “Hey Conrad, this is Mike from the Help Desk. Is Notebook working better now?” – “Let me check. Wow, it’s fast again! What did you do?” • “We checked the servers and everything looked fine. Must have been a temporary glitch. I will mark your trouble ticket resolved.” And the next day? Guess who’s calling again…
  • 8. Getting Started • Performance problems can be intermittent, based on qualitative assessments (seems slower), and are generally of unknown (at the time) origin • Pre-requisites to a positive troubleshooting experience – Up to date network diagram for your deployment – Baseline performance data based on periodic measurements
  • 9. First Questions… • Is the problem localized or widespread? • Can it be easily reproduced? • Can the problem be isolated to a specific response time component? • Your toolkit – Client-side logging – Network application monitors – Network health monitors
  • 10. The next question…What Changed? • Multi-tier systems have many moving parts that are typically managed by many groups (or companies!) – Database hardware, OS, Oracle, database instance – Middle tier hardware, OS, IIS, firewall, AV, proxy, domain contact – Client tier OS, patch set, pushed app configuration – Virtualization/shared services creates another complication – # of users, changes to system configuration • One of the first challenges is to figure out what is different today, your toolkit includes: – Installation Qualification, Operation Qualification – Health monitors – Periodic configuration/status reports (database and app tier) – Change history log that tracks all configuration changes made to the system
  • 11. Tools for Troubleshooting SN Performance
  • 12. Periodic Performance Baselines • Consistent, periodic baselines aid later troubleshooting – Important to run across sites • Accelrys provides a standard set of tests via the support team – Use of the same tests can allow comparison to Accelrys performance testing
  • 13. Client Performance Logging • Client performance logging is enabled in the app config file – Login performance is tracked by default – Check-in, Check-out, Script performance must be enabled manually • Logs can be easily analyzed in Excel – Append multiple logs – Date/Time in GMT – User and source computer captured • Tip: log periodic baselines for easy analysis
  • 14. Change Logs • A complete chronology from the initial install to present detailing what changes have been made to the system – this should include but not be limited to the following: – How and when users were added to the system – Changes to workflow – Any customizations that were introduced, and the source code, tests, requirements • Scripts • Custom forms • Custom workflow activities • Custom Web services • What (if any) adapters are installed
  • 16. Customer Resources • Line up the following resources to assist the Accelrys support team – Database tier owner (DBA) – Middle tier owner (OS/IIS) – Network analyst (load balancer, DNS, etc.)
  • 17. System Configuration Info • Site audit – Current deployment network diagram – Adapters that are part of the deployment – # of users, # of PSDs – IQ/OQ from most recent upgrade/install • Change log from initial install to present – History of user expansion in system – Customizations that have been introduced (and when)
  • 18. Operational Data • Middle Tier – All Vault debug logs – Configuration files – Windows event logs – Ping times to/from client and database – CPU utilization reports – Load balancer configuration • Database Tier – Strongly recommended: AWR and ADDM reports from periods with good as well as bad performance (requires Oracle Diagnostics Pack) – Oracle health monitor report – Verify that statistics are up to date and are collected regularly – CPU and disk utilization reports
  • 19. CSI: Symyx Notebook Common root causes taken from real support cases: • General slowdowns gradually getting worse over time – Oracle database statistics jobs were not running. Without up to date statistics, Oracle queries become progressively more inefficient • Periodic slowdowns affecting all users – Oracle tablespace extent size set very low causing frequent extensions to tablespaces, slowing response as disk was allocated • Some users get fast responses while others are slow – Load balancer distribution overloaded one server while others were lightly used • Saving documents extremely slow while browse/open are normal – Problem eventually isolated to a network link that was slow in one direction
  • 20. Summary • Effective performance troubleshooting benefits from a consistent approach and strong collaboration between your team and Accelrys support • Resources – Notebook IT/Admin forum on the Accelrys Community • Email support@accelrys.com to join – Troubleshooting guidance: support@accelrys.com
  • 21. The information on the roadmap and future software development efforts are intended to outline general product direction and should not be relied on in making a purchasing decision. For more information on the Accelrys Tech Summits and other IT & Developer information, please visit: https://community.accelrys.com/groups/it-dev