1. APIs Monitoring
Key APIs & Maintenance
Retreat IT - 2011

2. NR Goodies
Throughput / Responses
Times
Performance Breakdown
Slow transactions
SQL Queries
Errors
CPU / Memory / JVM stats

3. We Want More!
Application Metrics Track down bottlenecks
Performance breakdown for
Response time by client type
grails sucks!
Memcached HIT ratio?
False positive errors
Test new features REST error codes 4xx
How much improve my new Redis Ignore administrative
cache? transactions
Was it worth parallelized the
items multiget? /ping, /warmup ...
Job monitoring

7. A Meaningful Performance Breakdown

8. Dashboard

9. Memcached

10. Staying Healthy
The newrelic.yml way
# Error collector captures information
about uncaught exceptions
error_collector
…
ignore_errors: mlapi.NotFoundException
ignore_status_codes: 404,403,400
By VM args
-Dnewrelic.config.ignore_status_codes=404,403,400
-Dnewrelic.config.ignore_errors=<Classes>

11. Keep-an-eye on Jobs
BuildConfig.groovy
plugins {
compile ':quartz-monitor:0.2'
}

12. Keep-an-eye on Jobs

13. Few Notes
Agent version > 2.0
Add newrelic-api.jar to classpath
Add ENABLE_CUSTOM_TRACING: true
Disable commons-http instrumentation:

14. Complementary Tools

15. The End
Questions?
About us
Pablo Molnar
@pablomolnar
Matías Waisgold
@mwaisgold