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Development Tools

Development Tools : Presentation for Induction program. Before editing, please discuss with Sandeep Garud or Shaunak Sontakke
by

DBXento Systems

on 16 July 2018

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Transcript of Development Tools

Development Tools
Topic
LOAD BALANCER COOKIE
DIAGNOSTIC TOOLS
CACHING
CDN
Pg Dictionary
Load Balancer Cookie
Where are Cookies stored?
Where are Sessions stored?
Do you know what is Load balancing?
Do you know what is web farm or cluster?
Diagnostic Tools
SQL Queries On Page Request DISPLAY_DEBUG_INFO, displayDbInfo()
Page Load Time and Server Address
Template Path
Scripts
Manual Script Execution
Failed Script Monitoring
System Errors
New Relic

Page Caching
We are using Redis page caching
300+ prospect portal website’s home pages are being cached.
There is a way to clear page cache from khan server
Pages are cached at: PATH_MOUNTS_CACHE . 'websites_cache/'
OR
PATH_NON_BACKUP_MOUNTS . 'websites_cache/'
Content Delivery Network - CDN
The sticky load balancer routes the same client to the same application/web server.
If the load balancer supports sticky sessions then you don’t need to modify your application to remember client session context.
Note : In Sticky load balancing Session data is not reflected on other web server, where as in non sticky load balancing the session data is reflected example Redis Session Clustering
CDN Details
Edgecast provides us pass-through Content Delivery Network (CDN)
Url without caching: medialibrary.propertysolutions.com
With caching thru CDN : medialibrarycdn.propertysolutions.com
Url without caching: propertysolutions.com/Common or lincolnapts.com/Common
With CDN: commoncdn.propertysolutions.com
http://commoncdn.propertysolutions.com/website_templates/primavera_2/images/slots/main2.jpg
If the content isn't cached already, it will be cached at the time of that request.
The CDN can be enabled or disabled by editing a constant in our global config file.
The CDN cache can be cleared through the Edgecast web control panel navigation or through an API call from a Sys Ops script.
Without CDN
With CDN
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https://groups.google.com/forum/#!forum/ask-the-joneses
Pg Dictionary
Why is CDN fast?
Content is served from nearest location instead of actually server location.
nearest node
US Server
Geographically scattered nodes
What is DDOS ?
What is Trojan ?
Full transcript