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February 11, 2016 – PowerUp Echo Webinar Series
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WELCOME
Best Practices for System Performance
Senior Technical Consultant
PowerObjects/Minneapolis
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Shahar Journo
Meet your Presenters 1
Senior Technical Consultant
PowerObjects/Minneapolis
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Dan El Halawani
[email protected] [email protected]
612.339.3355 x149 612.339.3355 x157
Agenda 2
Server SideDatabase Performance
Front End Performance
Back End Performance
Client SideWorkstation Performance
CRM Form Loading Time
CRM 2015 Update 1 – New Form Rendering Engine
Server Side Performance
Database – Index all the things!…but seriously, don’t…
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• CRM GUIDs are indexed automatically
• Other indexes can be setup
• For record sets queried often repetitively
• For specific attributes returned often
• Don’t over-index!
• Can hurt insert/update performance
• Use DMVs (Dynamic Management Views)
• They store SQL transactional information
for duration of SQL server uptime
• Store missing indexes from queries
optimized by SQL query optimizer
• Can reveal what indexes should be added
to database
• Re-indexing can be important
• Data migrations
• Large integration jobs
• Over-time index fragmentation
select OBJECT_NAME(a.object_id),b.name,a.user_seeks,a.user_scans,a.*from sys.dm_db_index_usage_stats a join ORG_MSCRM.sys.indexes b ona.object_id = b.object_idand a.index_id = b.index_idwherea.database_id = DB_ID('ORG_MSCRM')and b.name like 'myIndex%'order byb.name asc
http://quantusdynamics.blogspot.co.uk/2012/11/dyn
amics-crm-database-optimization-with.html
Database – Your SQL server sucks! Fix it! 5
• MAXDOP
• Maximum Degree of Parallelism
• Default is 0…Set to 1 (1 CPU per statement)
• Affects whole SQL instance…be judicious
• Long Running Queries
• Optimize query logic in your code…
• Create indexes…carefully
• RCSI
• Read Committed Snapshot Isolation
• Set to Enable. Requires taking DB offline
• Reduces SQL locking via use of “snapshots” of
data written to TempDB
• Increases TempDB usage and slight CPU
increase
• Hardware
• SSDs!
• Separate CRM database, TempDB, and logs to
different disks
• 1:1 TempDB file to CPU core ratio• https://technet.microsoft.com/en-us/library/ms175527(v=SQL.105).aspx
• Reschedule Maintenance Jobs
• Run outside business hours/peak hours
• Tool: http://crmjobeditor.codeplex.com/
Front End – WCF and SSL and ISS…Oh my! 6
• Are you splitting your server roles across multiple servers? Maybe you should be…
• Stay up to date! Kinda...
• WCF Compression and SSL
• Enable WCF Compression in IIS (~25-30% reduction in payload size)
• Setup CRM with SSL (~30-50% reduction in payload size)
• ADFS or non-ADFS
• SSL allows WCF to not have to handle encryption
• Increases front end CPU usage somewhat
• Update via command line or editing IIS applicationHost.config file
http://blogs.msdn.com/b/crminthefield/archive/2014/09/02/enable-wcf-compression-to-improve-crm-2013-network-performance.aspx
Front End – Scary Registry Settings! Not so scary… :)
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TcpTimedWaitDelay
This value determines the length of time that a connection stays in the TIME_WAIT state when it is closed. During TIME_WAIT state, the socket pair cannot be re-used. Typically, this value is two times the maximum segment life time on the network (known as “2MSL” state). Valid range is 30 to 300. Set to 30.
MaxUserPort
This value controls the available number of dynamic ports. The valid range for this value is from 5000 to 65534. By default, the number of available ports is 3977, because the first available port is port number 1024. Set to 65534.
OLEDBTimeout
By default, the OLEDBTIMEOUT value is 30 seconds. The OLEDBTIMEOUT value controls the SQL time-out value that is used for a single SQL query. The increased OLEDBTIMEOUT value is useful when the SQL server is overloaded. Additionally, the query takes a longer time to process.
Use a value of 300 seconds. Values higher than 300 may long running queries cause excessive SQL blocking.
The EXTENDEDTIMEOUT value
The ExtendedTimeout value controls the ASP.NET time-out value that is used for import requests. The time-out value must be larger than the time for finishing the whole import process. The increased ExtendedTimeout value is useful when the import process takes a long time. Set toExtendedTimeout value to 1,000,000 milliseconds.
Back End – Locked System Jobs…Locked System Jobs Everywhere 8
• Optimize .NET ThreadPool Settings
• Controls how ASP.NET interacts with multi-
threading on the server
• Web Service calls typically use one thread to
execute code to send request, and one thread
to receive callback from service
• Example: Say 5 threads are executing web
service call and waiting for callback, and
ThreadPool limit is 5…what happens?
• Set Machine.config file to these!
Client Side Performance
Browser Support
Workstation performance 10
• Internet Explorer 11/10, but NOT
IE 8,9
JS in IE8 – 5-10x lower then
newer versions
• Chrome & IE 11 & Edge – have
pre-fetch & pre-render! (This is
good!)
• >= 2 Gb ram
• Windows 7 or 8 or 10
• Decent resolution
Browser Tunings
• All browsers
Set temporary files (cache) >=
250 MB
Allow caching of encrypted files
Antivirus – White list CRM URL
(MacAfee & Symantec specially)
Internet Explorer – use group policy to set
Workstation performance 11
• How big is ‘big’ ?Any entity with more than
500K records.
• SolutionOn Premises – We can use
indexes or the
configuration of the
server.
CRM Online – Open
Support Ticket.
What is running slow?
Justify any index, and
when to run index.
Data Size Amount of Attributes Items on the Forms Custom Code
Can we reduce the
amount of attributes?
Create more views if
needed, reduce attributes
per view.
Loading Views and Forms 12
What/how many
Items the form
contains?• Tabs
• Grids
• IFRAMES
• Attributes
Does the form trigger
any custom code:• Plugins
• JavaScript
• Business rules
• Workflows
• Usually CRM plugins run on:
• Create
• Update
• Delete
• Retrieve
• Plugins can call other plugins/workflows, large datasets
can lead to time out exceptions. For example – sending
an invoice to all of the accounts when we create an entity.
• Retrieve can run when we are loading form or view.
• Delete – are we deleting child entities as well; how many ?
For example – we delete account and all of it’s notes.
• Update – can trigger updating other entities.
Custom Code - Plugins
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Form Loading Time 13
• The amount of JavaScript code that are on the form can
increase the loading time, for example on load of a
contact form based on the parent account we need to
populate the address from the account , and also few
other lookups , In addition we have other fields that are
auto populating and checking the user role.
• JavaScript that is populating Iframe based on some
values.
• JavaScript that get data from 3rd party, for example:
• Get Coordinates based on address
• Validate zip code
• Bad JavaScript code , a function that call another function,
it is recommended to review the page code beside we are
adding more code.
• CRM 2015 U1 – bring some caching mechanism to the
page, it can improve the performance of the page
Custom Code - JavaScript
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Form Loading Time 14
• Business Rules – Better performance than JavaScript
• Number of business rules
• Dependencies between business rules
“Custom” Code – Business Rules (PBL)
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Form Loading Time 15
• Great Tool – has some limits (use plugin if we can’t do
something with workflow)
• Workflows – Asynchronous vs synchronous
• Recursive workflows
• Custom workflows can take more time
• Too many workflows can increase the amount it takes to
save, delete, or update
Custom Code – Workflows (processes)
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Form Loading Time 16
CRM 2015 Update 1 – New Form Rendering 17
CRM 2015 Update 1 – form rendering (only on CRM online)
• IFRAMES are now kept throughout the user session
• Custom scripts are loaded in separate IFRAMES
• No changes in supported scripts or form
capabilities
CRM 2015 Update 1 – New Form Rendering 18
19CRM 2015 Update 1 – New Form Rendering
Oh no, I have too many customization can I go back???
Questions?
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Thank You!
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