finding and fixing top performance issues with new relic rpm
TRANSCRIPT
Finding and Fixing Performance Issues with New Relic RPMDecember 8th, 2010 @ 10AM PSTBrian Doll - New RelicApplication Performance Engineer
Brian DollApplication Performance Engineering
http://www.slideshare.net/briandoll
New Relic is the leading software as a service provider of application performance management tools. More than 6,000 companies use RPM™, to manage more than 90,000 Java, .net, php, Ruby, or JRuby applications. RPM enables developers and operations teams to monitor, troubleshoot and optimize their web applications.
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RPM ✓Monitors✓Troubleshoots✓Tunes
Web Applications
In the Cloud or
Datacenter
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Top 5 Performance Issues#5 N+1 Queries
Death by a thousand paper cuts
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70x per transaction!
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1 parent+ 15 children___________________________________
16 queries!
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Eager vs. Lazy Loading
EagerLazy
vs.
2 SQL queries vs. 16 SQL queries
EagerLazy
vs.
2 SQL queries vs. 16 SQL queries
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Top 5 Performance Issues#5 N+1 Queries
#4 Slow SQL performance
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Transaction Traces
Missing index
Almost one full second!
Explain Plans are Maps to Improving SQL Queries
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Top 5 Performance Issues#5 N+1 Queries
#4 Slow SQL performance
#3 Insufficient System Resources
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Waiting in line...
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How are we constrained?
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Scaling Silver Bullet?
+
+?
?
?
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Top 5 Performance Issues#5 N+1 Queries
#4 Slow SQL performance
#3 Insufficient System Resources
#2 Web Service Domino Effect
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Uh oh...
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/b
!"#$
!"#$
!"#$
!"#$
!"#$!%&'()*
Search service unavailable
Unhappy customers
Lost sales
leads to...
leads to...
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CircuitBreakers
CascadingFailures
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Top 5 Performance Issues#5 N+1 Queries
#4 Slow SQL performance
#3 Insufficient System Resources
#2 Web Service Domino Effect
#1 Repetitive Work Syndrome or Cache as cache can
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Lots of work
Slow
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Caching is easy.
Cache invalidation is not.
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How RPM Works
a!
a! a!
a!
Https
Https
Applications
App Team
New Relic Service
๏ Secure, reliable service๏ No private user data๏ View app performance from anywhere
Supports
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Faster apps = Happy customers
+
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15% discount forJoyent customers
Special Offer:
•Installs in 2 minutes
•Supports Joyent SmartMachines✓Java✓Ruby✓PHP
Q&A
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Questions?
• Live Q&A during the webinar
• http://support.newrelic.com/
• Email: [email protected]
• Twitter: @NewRelic
• IRC: #NewRelic on Freenode
