Monitoring Node.js Microservices on CloudFoundry with Open Source T...

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Monitoring Node.js Microservices on CloudFoundry with
Open Source Tools and a Shoestring Budget
Tony Erwin, aerwin@us.ibm....

Agenda
• Introduction to Bluemix UI & Architecture
• Importance of Monitoring w/ Microservices
• Overview of Monitoring Ar...

Bluemix UI
• Front-end to IBM’s open cloud Bluemix offering
• Lets users view and manage CF resources, containers,
virtual...

Bluemix UI Architecture
• Migrated from a
monolithic to a
microservice
architecture over
the last couple of
years
• Compos...

Importance of Monitoring

Importance of Monitoring
• Root cause analysis when a problem occurs
– Bluemix UI is most visible part of the platform and...

What to Monitor?
• Metrics we were especially interested in:
– Data for every inbound/outbound request for every microserv...

Monitoring Architecture

Monitoring Architecture
Monitor
Storage
Backend APIs (CF, Containers, VMs, BSS, MCCP, etc.)
Bluemix UI (Client)
Cloud Fou...

Monitoring Components
• Each microservice bound to an MQTT service (which happens to be provided by the IBM Internet of Th...

Using Monitoring Data

Grafana Dashboards
• Grafana
dashboards used
to visualize data
over time for any
microservice
• Data includes:
– Total req...

Identifying a Problem in Grafana
• Like a
cardiologist
reading an
echocardiogram,
we’ve gotten
good at
identifying
anomali...

Root Cause Analysis
• We can dive into more detailed data to do root cause analysis
• In chart below, response time is bro...

Details View
• Can drill down and get tabular view with aggregated details about the
requests making up a chart
• Can dril...

Wall of Shame
• Building on the details view from the previous page,
we can build walls of “shame” to help drive
improveme...

Memory, CPU Usage, Crashes
• Another important set of data includes memory, CPU usage, and crashes for all instances of
al...

Building Your Own Monitoring System

Node Application Metrics (appmetrics)
• Had planned on publishing some of my monitoring code,
but in prep for CF Summit le...

Default Capabilities and MQTT
• Sends data to MQTT, meaning you can subscribe to updates
• Provides an Event API which all...

App Metrics – Default Capabilities

Data Storage
• Can be configured to store data:
– Elastic Search
• https://github.com/RuntimeTools/appmetrics-elk
– StatsD...

Collecting Synthetic Data

Collecting Synthetic Data
• Monitoring discussed so far only
paints a picture of the server side
• It’s also important to ...

The End
Questions?
Tony Erwin
Email: aerwin@us.ibm.com
Twitter: @tonyerwin
See also presentation from earlier this week:
T...

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