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Highly Scalable

Node.js Microservices




Chris Bailey
(@Chris__Bailey) 

Node.js and Swift Runtimes
Chris Vignola
(@ChrisVignola) 

Cloud Native Node.js
: Key Technologies
: Key Technologies
Container
: Key Technologies
Container Orchestration
: Key Technologies
Container Orchestration
Package and Deploy
: Key Technologies
Container Orchestration
MonitoringPackage and Deploy
: Key Technologies
Container Orchestration
Monitoring Distributed TracingPackage and Deploy
MICROSERVICES: Key Performance Characteristics
IO Speed
• Performance
• Scale
0
300
600
900
200
0
1,150
IO Speed
• Performance
• Scale
MICROSERVICES: Key Performance Characteristics
0
300
600
900
200
0
1,150
IO Speed
• Performance
• Scale
MICROSERVICES: Key Performance Characteristics
0
300
600
900
200
897
1,150
MICROSERVICES: Key Performance Characteristics
IO Speed
• Performance
• Scale
0
300
600
900
200
897
1,150
Startup
• Availability
• Scaling
MICROSERVICES: Key Performance Characteristics
IO Speed
• Performance
• Scale
0
300
600
900
200
897
1,150
00.9
Startup
• Availability
• Scaling
MICROSERVICES: Key Performance Characteristics
IO Speed
• Performance
• Scale
0
300
600
900
200
897
1,150 13.7
0.9
Startup
• Availability
• Scaling
MICROSERVICES: Key Performance Characteristics
IO Speed
• Performance
• Scale
0
300
600
900
200
897
1,150 13.7
0.9
Startup
• Availability
• Scaling
Memory
• Efficiency
• Cost
MICROSERVICES: Key Performance Characteristics
IO Speed
• Performance
• Scale
0
300
600
900
200
897
1,150 13.7
0.9 023.6
Startup
• Availability
• Scaling
Memory
• Efficiency
• Cost
MICROSERVICES: Key Performance Characteristics
IO Speed
• Performance
• Scale
0
300
600
900
200
897
1,150 13.7
0.9
422
23.6
Startup
• Availability
• Scaling
Memory
• Efficiency
• Cost
MICROSERVICES: Key Performance Characteristics
IO Speed
• Performance
• Scale
Startup
• Availability
• Scaling
Memory
• Efficiency
• Cost
Benchmarking WG: Performance Gains
IO Speed
• Performance
• Scale
Startup
• Availability
• Scaling
Memory
• Efficiency
• Cost
3,049
2,914
2,076
1,866
4.x master6.x 8.x
Benchmarking WG: Performance Gains
IO Speed
• Performance
• Scale
Startup
• Availability
• Scaling
Memory
• Efficiency
• Cost
50,42052,640
42,500
71,000
3,049
2,914
2,076
1,866
4.x master6.x 8.x 4.x master6.x 8.x
Benchmarking WG: Performance Gains
IO Speed
• Performance
• Scale
Startup
• Availability
• Scaling
Memory
• Efficiency
• Cost
50,42052,640
42,500
71,000
89,024
92,84091,47688,9603,049
2,914
2,076
1,866
4.x master6.x 8.x 4.x master6.x 8.x 4.x master6.x 8.x
Benchmarking WG: Performance Gains
IO Speed
• Performance
• Scale
Building Scalable
Microservices
func add(_ a: Int,
to b: Int) -> Void
{
print(a + b)
}
let a = ”5”
let b = 3
public/*
test/*
server/server.js
package.json
README.md
.gitignore
func add(_ a: Int,
to b: Int) -> Void
{
print(a + b)
}
let a = ”5”
let b = 3
public/*
test/*
server/server.js
package.json
README.md
.gitignore
const appName = require('./../package').name;
const express = require('express');
const log4js = require(‘log4js');
const logger = log4js.getLogger(appName);
const app = express();
app.get('/', function (req, res) {
res.send('Hello World!')
})
const port = process.env.PORT || 3000;
app.listen(port, function(){
logger.info(`Express listening on: ` + port);
});
func add(_ a: Int,
to b: Int) -> Void
{
print(a + b)
}
let a = ”5”
let b = 3
public/*
test/*
server/server.js
package.json
README.md
.gitignore
Dockerfile
Dockerfile-tools
.dockerignore
func add(_ a: Int,
to b: Int) -> Void
{
print(a + b)
}
let a = ”5”
let b = 3
public/*
test/*
server/server.js
package.json
README.md
.gitignore
Dockerfile
Dockerfile-tools
.dockerignore
FROM ibmcom/ibmnode
ENV NODE_ENV production
ENV PORT 3000
WORKDIR "/app"
# Install app dependencies
COPY package.json /app/
RUN cd /app; npm install
# Bundle app source
COPY . /app
EXPOSE 3000
CMD ["npm", "start"]
func add(_ a: Int,
to b: Int) -> Void
{
print(a + b)
}
let a = ”5”
let b = 3
public/*
test/*
server/server.js
package.json
README.md
.gitignore
Dockerfile
Dockerfile-tools
.dockerignore
node_modules/
npm-debug.log
$ docker build -t <your username>/node-app .

$ docker build -t <your username>/node-app .

$ docker run -p 49160:3000 -d <your username>/node-app
$ docker build -t <your username>/node-app .

$ docker run -p 49160:3000 -d <your username>/node-app
$ docker build -t <your username>/node-app .

$ docker run -p 49160:3000 -d <your username>/node-app
func add(_ a: Int,
to b: Int) -> Void
{
print(a + b)
}
let a = ”5”
let b = 3
public/*
test/*
server/server.js
package.json
README.md
.gitignore
Dockerfile
Dockerfile-tools
.dockerignore
chart/node-app/Chart.yaml
chart/node-app/templates/deployment.yaml
chart/node-app/templates/hpa.yaml
chart/node-app/templates/service.yaml
chart/node-app/values.yaml
HELM CHARTS
func add(_ a: Int,
to b: Int) -> Void
{
print(a + b)
}
let a = ”5”
let b = 3
public/*
test/*
server/server.js
package.json
README.md
.gitignore
Dockerfile
Dockerfile-tools
.dockerignore
chart/node-app/Chart.yaml
chart/node-app/templates/deployment.yaml
chart/node-app/templates/hpa.yaml
chart/node-app/templates/service.yaml
chart/node-app/values.yaml
HELM CHARTS
apiVersion: v1
description: A Helm chart for Kubernetes
name: node-app
version: 1.0.0
func add(_ a: Int,
to b: Int) -> Void
{
print(a + b)
}
let a = ”5”
let b = 3
public/*
test/*
server/server.js
package.json
README.md
.gitignore
Dockerfile
Dockerfile-tools
.dockerignore
chart/node-app/Chart.yaml
chart/node-app/templates/deployment.yaml
chart/node-app/templates/hpa.yaml
chart/node-app/templates/service.yaml
chart/node-app/values.yaml
HELM CHARTS
apiVersion: extensions/v1beta1
kind: Deployment
metadata:
name: “node-app-deployment"
labels:
chart: “node-app-1.0.0”
spec:
replicas: “5”
revisionHistoryLimit: “1”
template:
metadata:
labels:
app: “node-app-selector"
version: “1.0.0”
spec:
containers:
- name: “node-app”
image: “repository:1.0.0”
imagePullPolicy: Always
livenessProbe:
httpGet:
path: /health
port: 3000
initialDelaySeconds: 3000
periodSeconds: 1000
resources:
requests:
cpu: "200m"
memory: "300Mi"
env:
- name: PORT
value : “3000”
func add(_ a: Int,
to b: Int) -> Void
{
print(a + b)
}
let a = ”5”
let b = 3
public/*
test/*
server/server.js
package.json
README.md
.gitignore
Dockerfile
Dockerfile-tools
.dockerignore
chart/node-app/Chart.yaml
chart/node-app/templates/deployment.yaml
chart/node-app/templates/hpa.yaml
chart/node-app/templates/service.yaml
chart/node-app/values.yaml
HELM CHARTS
apiVersion: autoscaling/v2alpha1
kind: HorizontalPodAutoscaler
metadata:
name: “node-app-hpa-policy"
namespace: default
spec:
scaleTargetRef:
apiVersion: apps/v1beta1
kind: Deployment
name: “node-app-deployment"
minReplicas: 5
maxReplicas: 10
metrics:
- type: Resource
resource:
name: cpu
targetAverageUtilization: 70
- type: Resource
resource:
name: memory
targetAverageUtilization: 70
func add(_ a: Int,
to b: Int) -> Void
{
print(a + b)
}
let a = ”5”
let b = 3
public/*
test/*
server/server.js
package.json
README.md
.gitignore
Dockerfile
Dockerfile-tools
.dockerignore
chart/node-app/Chart.yaml
chart/node-app/templates/deployment.yaml
chart/node-app/templates/hpa.yaml
chart/node-app/templates/service.yaml
chart/node-app/values.yaml
HELM CHARTS
apiVersion: v1
kind: Service
metadata:
name: “node-app“
labels:
chart: “node-app-1.0.0”
spec:
type: NodePort
ports:
- port: 3000
selector:
app: “node-app-selector"
$ helm package ./chart/node-app
$ helm package ./chart/node-app
$ helm install ./node-app-1.0.0.tgz
$ helm package ./chart/node-app
$ helm install ./node-app-1.0.0.tgz
$ helm package ./chart/node-app
$ helm install ./node-app-1.0.0.tgz
Understanding
Microservices Performance
PUBLIC NETWORK CLOUD NETWORK
CATALOG
ORDER
INVENTORY
USER
MySQL
MongoDB
SPARK
ELASTICSEARCH
BACKEND FOR

FRONTEND
MICROSERVICES SERVICES
LOAD

BALANCER
PUBLIC NETWORK CLOUD NETWORK
CATALOG
ORDER
INVENTORY
USER
MySQL
MongoDB
SPARK
ELASTICSEARCH
BACKEND FOR

FRONTEND
MICROSERVICES SERVICES
LOAD

BALANCER
PUBLIC NETWORK CLOUD NETWORK
CATALOG
ORDER
INVENTORY
USER
MySQL
MongoDB
SPARK
ELASTICSEARCH
BACKEND FOR

FRONTEND
MICROSERVICES SERVICES
LOAD

BALANCER
PUBLIC NETWORK CLOUD NETWORK
CATALOG
ORDER
INVENTORY
USER
MySQL
MongoDB
SPARK
ELASTICSEARCH
BACKEND FOR

FRONTEND
MICROSERVICES SERVICES
LOAD

BALANCER
PUBLIC NETWORK CLOUD NETWORK
CATALOG
ORDER
INVENTORY
USER
MySQL
MongoDB
SPARK
ELASTICSEARCH
BACKEND FOR

FRONTEND
MICROSERVICES SERVICES
LOAD

BALANCER
PUBLIC NETWORK CLOUD NETWORK
CATALOG
ORDER
INVENTORY
USER
MySQL
MongoDB
SPARK
ELASTICSEARCH
BACKEND FOR

FRONTEND
MICROSERVICES SERVICES
LOAD

BALANCER
PUBLIC NETWORK CLOUD NETWORK
CATALOG
ORDER
INVENTORY
USER
MySQL
MongoDB
SPARK
ELASTICSEARCH
BACKEND FOR

FRONTEND
MICROSERVICES SERVICES
LOAD

BALANCER
BROWSER
TIME
BROWSER
LOAD BALANCER
TIME
BROWSER
LOAD BALANCER
WEB BFF
TIME
BROWSER
LOAD BALANCER
WEB BFF
ORDER SERVICE
TIME
BROWSER
LOAD BALANCER
WEB BFF
ORDER SERVICE
MongoDB
TIME
BROWSER
LOAD BALANCER
WEB BFF
ORDER SERVICE
MongoDB
INVENTORY SERVICE
TIME
MySQL
BROWSER
LOAD BALANCER
WEB BFF
ORDER SERVICE
MongoDB
INVENTORY SERVICE
TIME
MySQL
BROWSER
LOAD BALANCER
WEB BFF
ORDER SERVICE
MongoDB
INVENTORY SERVICE
MongoDB
TIME
• Collects data from each enabled service

• Propagates correlation ID using HTTP headers

• Provides sampling, tracing, and debug capabilities
• Collects microsecond timestamps

• Correlates data in Zipkin server
• Presents data in Zipkin dashboard
Request Tracking: OpenTracing and Zipkin
const zipkin = require(‘appmetrics-zipkin’);
const rest = require(‘rest');
const express = require('express');
const app = express();
app.get('/', (req, res) => {
rest('http://localhost:9000/api')
.then(response => res.send(response.entity))
.catch(err => console.error('Error', err.stack));
});
const port = process.env.PORT || 3000;
app.listen(port, function(){
logger.info(`Express listening on: ` + port);
});
• Collects data from each enabled service

• Requires /metrics endpoint providing data

• Provides storage and correlation capabilities
• Provide customisable dashboard

• Integrates with Graphana, Graphite, etc
Microservice Metrics: Prometheus
const zipkin = require(‘appmetrics-zipkin’);
const prometheus = require(‘appmetrics-prometheus’).attach();
const rest = require(‘rest');
const express = require('express');
const app = express();
app.get('/', (req, res) => {
rest('http://localhost:9000/api')
.then(response => res.send(response.entity))
.catch(err => console.error('Error', err.stack));
});
const port = process.env.PORT || 3000;
app.listen(port, function(){
logger.info(`Express listening on: ` + port);
});
• ‘appmetrics-dash’ provides self-hosted monitoring

• Inbound and Outbound request performance
• Resource and event loop monitoring
• Request a node-report

• Enable profiling and flame graphs
Deep Analysis: ‘appmetrics-dash’ and Flame Graphs
const zipkin = require(‘appmetrics-zipkin’);
const prometheus = require(‘appmetrics-prometheus’).attach();
const dash = require(‘appmetrics-dash’).attach();
const rest = require(‘rest');
const express = require('express');
const app = express();
app.get('/', (req, res) => {
rest('http://localhost:9000/api')
.then(response => res.send(response.entity))
.catch(err => console.error('Error', err.stack));
});
const port = process.env.PORT || 3000;
app.listen(port, function(){
logger.info(`Express listening on: ` + port);
});
‘appmetrics-dash’
‘appmetrics-dash’
‘appmetrics-dash’
$ yo nodeserver$ yo nodeserver
developer.ibm.com/node
const rest = require(‘rest');
const express = require('express');
const CLSContext = require('zipkin-context-cls');
const {Tracer} = require('zipkin');
const {recorder} = require('./recorder');
const ctxImpl = new CLSContext('zipkin');
const tracer = new Tracer({ctxImpl, recorder});
const app = express();
const zipkinMiddleware = require('zipkin-instrumentation-express').expressMiddleware;
app.use(zipkinMiddleware({tracer, serviceName: 'frontend'}));
const {restInterceptor} = require('zipkin-instrumentation-cujojs-rest');
const zipkinRest = rest.wrap(restInterceptor, {tracer, remoteServiceName: ‘backend'});

app.get('/', (req, res) => {
zipkinRest('http://localhost:9000/api')
.then(response => res.send(response.entity))
.catch(err => console.error('Error', err.stack));
});

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Node Interactive: Node.js Performance and Highly Scalable Micro-Services

  • 1. Highly Scalable
 Node.js Microservices 
 
 Chris Bailey (@Chris__Bailey) 
 Node.js and Swift Runtimes Chris Vignola (@ChrisVignola) 
 Cloud Native Node.js
  • 5. : Key Technologies Container Orchestration Package and Deploy
  • 6. : Key Technologies Container Orchestration MonitoringPackage and Deploy
  • 7. : Key Technologies Container Orchestration Monitoring Distributed TracingPackage and Deploy
  • 8. MICROSERVICES: Key Performance Characteristics IO Speed • Performance • Scale
  • 9. 0 300 600 900 200 0 1,150 IO Speed • Performance • Scale MICROSERVICES: Key Performance Characteristics
  • 10. 0 300 600 900 200 0 1,150 IO Speed • Performance • Scale MICROSERVICES: Key Performance Characteristics
  • 11. 0 300 600 900 200 897 1,150 MICROSERVICES: Key Performance Characteristics IO Speed • Performance • Scale
  • 12. 0 300 600 900 200 897 1,150 Startup • Availability • Scaling MICROSERVICES: Key Performance Characteristics IO Speed • Performance • Scale
  • 13. 0 300 600 900 200 897 1,150 00.9 Startup • Availability • Scaling MICROSERVICES: Key Performance Characteristics IO Speed • Performance • Scale
  • 14. 0 300 600 900 200 897 1,150 13.7 0.9 Startup • Availability • Scaling MICROSERVICES: Key Performance Characteristics IO Speed • Performance • Scale
  • 15. 0 300 600 900 200 897 1,150 13.7 0.9 Startup • Availability • Scaling Memory • Efficiency • Cost MICROSERVICES: Key Performance Characteristics IO Speed • Performance • Scale
  • 16. 0 300 600 900 200 897 1,150 13.7 0.9 023.6 Startup • Availability • Scaling Memory • Efficiency • Cost MICROSERVICES: Key Performance Characteristics IO Speed • Performance • Scale
  • 17. 0 300 600 900 200 897 1,150 13.7 0.9 422 23.6 Startup • Availability • Scaling Memory • Efficiency • Cost MICROSERVICES: Key Performance Characteristics IO Speed • Performance • Scale
  • 18. Startup • Availability • Scaling Memory • Efficiency • Cost Benchmarking WG: Performance Gains IO Speed • Performance • Scale
  • 19. Startup • Availability • Scaling Memory • Efficiency • Cost 3,049 2,914 2,076 1,866 4.x master6.x 8.x Benchmarking WG: Performance Gains IO Speed • Performance • Scale
  • 20. Startup • Availability • Scaling Memory • Efficiency • Cost 50,42052,640 42,500 71,000 3,049 2,914 2,076 1,866 4.x master6.x 8.x 4.x master6.x 8.x Benchmarking WG: Performance Gains IO Speed • Performance • Scale
  • 21. Startup • Availability • Scaling Memory • Efficiency • Cost 50,42052,640 42,500 71,000 89,024 92,84091,47688,9603,049 2,914 2,076 1,866 4.x master6.x 8.x 4.x master6.x 8.x 4.x master6.x 8.x Benchmarking WG: Performance Gains IO Speed • Performance • Scale
  • 23. func add(_ a: Int, to b: Int) -> Void { print(a + b) } let a = ”5” let b = 3 public/* test/* server/server.js package.json README.md .gitignore
  • 24. func add(_ a: Int, to b: Int) -> Void { print(a + b) } let a = ”5” let b = 3 public/* test/* server/server.js package.json README.md .gitignore const appName = require('./../package').name; const express = require('express'); const log4js = require(‘log4js'); const logger = log4js.getLogger(appName); const app = express(); app.get('/', function (req, res) { res.send('Hello World!') }) const port = process.env.PORT || 3000; app.listen(port, function(){ logger.info(`Express listening on: ` + port); });
  • 25. func add(_ a: Int, to b: Int) -> Void { print(a + b) } let a = ”5” let b = 3 public/* test/* server/server.js package.json README.md .gitignore Dockerfile Dockerfile-tools .dockerignore
  • 26. func add(_ a: Int, to b: Int) -> Void { print(a + b) } let a = ”5” let b = 3 public/* test/* server/server.js package.json README.md .gitignore Dockerfile Dockerfile-tools .dockerignore FROM ibmcom/ibmnode ENV NODE_ENV production ENV PORT 3000 WORKDIR "/app" # Install app dependencies COPY package.json /app/ RUN cd /app; npm install # Bundle app source COPY . /app EXPOSE 3000 CMD ["npm", "start"]
  • 27. func add(_ a: Int, to b: Int) -> Void { print(a + b) } let a = ”5” let b = 3 public/* test/* server/server.js package.json README.md .gitignore Dockerfile Dockerfile-tools .dockerignore node_modules/ npm-debug.log
  • 28. $ docker build -t <your username>/node-app .

  • 29. $ docker build -t <your username>/node-app .
 $ docker run -p 49160:3000 -d <your username>/node-app
  • 30. $ docker build -t <your username>/node-app .
 $ docker run -p 49160:3000 -d <your username>/node-app
  • 31. $ docker build -t <your username>/node-app .
 $ docker run -p 49160:3000 -d <your username>/node-app
  • 32. func add(_ a: Int, to b: Int) -> Void { print(a + b) } let a = ”5” let b = 3 public/* test/* server/server.js package.json README.md .gitignore Dockerfile Dockerfile-tools .dockerignore chart/node-app/Chart.yaml chart/node-app/templates/deployment.yaml chart/node-app/templates/hpa.yaml chart/node-app/templates/service.yaml chart/node-app/values.yaml HELM CHARTS
  • 33. func add(_ a: Int, to b: Int) -> Void { print(a + b) } let a = ”5” let b = 3 public/* test/* server/server.js package.json README.md .gitignore Dockerfile Dockerfile-tools .dockerignore chart/node-app/Chart.yaml chart/node-app/templates/deployment.yaml chart/node-app/templates/hpa.yaml chart/node-app/templates/service.yaml chart/node-app/values.yaml HELM CHARTS apiVersion: v1 description: A Helm chart for Kubernetes name: node-app version: 1.0.0
  • 34. func add(_ a: Int, to b: Int) -> Void { print(a + b) } let a = ”5” let b = 3 public/* test/* server/server.js package.json README.md .gitignore Dockerfile Dockerfile-tools .dockerignore chart/node-app/Chart.yaml chart/node-app/templates/deployment.yaml chart/node-app/templates/hpa.yaml chart/node-app/templates/service.yaml chart/node-app/values.yaml HELM CHARTS apiVersion: extensions/v1beta1 kind: Deployment metadata: name: “node-app-deployment" labels: chart: “node-app-1.0.0” spec: replicas: “5” revisionHistoryLimit: “1” template: metadata: labels: app: “node-app-selector" version: “1.0.0” spec: containers: - name: “node-app” image: “repository:1.0.0” imagePullPolicy: Always livenessProbe: httpGet: path: /health port: 3000 initialDelaySeconds: 3000 periodSeconds: 1000 resources: requests: cpu: "200m" memory: "300Mi" env: - name: PORT value : “3000”
  • 35. func add(_ a: Int, to b: Int) -> Void { print(a + b) } let a = ”5” let b = 3 public/* test/* server/server.js package.json README.md .gitignore Dockerfile Dockerfile-tools .dockerignore chart/node-app/Chart.yaml chart/node-app/templates/deployment.yaml chart/node-app/templates/hpa.yaml chart/node-app/templates/service.yaml chart/node-app/values.yaml HELM CHARTS apiVersion: autoscaling/v2alpha1 kind: HorizontalPodAutoscaler metadata: name: “node-app-hpa-policy" namespace: default spec: scaleTargetRef: apiVersion: apps/v1beta1 kind: Deployment name: “node-app-deployment" minReplicas: 5 maxReplicas: 10 metrics: - type: Resource resource: name: cpu targetAverageUtilization: 70 - type: Resource resource: name: memory targetAverageUtilization: 70
  • 36. func add(_ a: Int, to b: Int) -> Void { print(a + b) } let a = ”5” let b = 3 public/* test/* server/server.js package.json README.md .gitignore Dockerfile Dockerfile-tools .dockerignore chart/node-app/Chart.yaml chart/node-app/templates/deployment.yaml chart/node-app/templates/hpa.yaml chart/node-app/templates/service.yaml chart/node-app/values.yaml HELM CHARTS apiVersion: v1 kind: Service metadata: name: “node-app“ labels: chart: “node-app-1.0.0” spec: type: NodePort ports: - port: 3000 selector: app: “node-app-selector"
  • 37. $ helm package ./chart/node-app
  • 38. $ helm package ./chart/node-app $ helm install ./node-app-1.0.0.tgz
  • 39. $ helm package ./chart/node-app $ helm install ./node-app-1.0.0.tgz
  • 40. $ helm package ./chart/node-app $ helm install ./node-app-1.0.0.tgz
  • 42. PUBLIC NETWORK CLOUD NETWORK CATALOG ORDER INVENTORY USER MySQL MongoDB SPARK ELASTICSEARCH BACKEND FOR
 FRONTEND MICROSERVICES SERVICES LOAD
 BALANCER
  • 43. PUBLIC NETWORK CLOUD NETWORK CATALOG ORDER INVENTORY USER MySQL MongoDB SPARK ELASTICSEARCH BACKEND FOR
 FRONTEND MICROSERVICES SERVICES LOAD
 BALANCER
  • 44. PUBLIC NETWORK CLOUD NETWORK CATALOG ORDER INVENTORY USER MySQL MongoDB SPARK ELASTICSEARCH BACKEND FOR
 FRONTEND MICROSERVICES SERVICES LOAD
 BALANCER
  • 45. PUBLIC NETWORK CLOUD NETWORK CATALOG ORDER INVENTORY USER MySQL MongoDB SPARK ELASTICSEARCH BACKEND FOR
 FRONTEND MICROSERVICES SERVICES LOAD
 BALANCER
  • 46. PUBLIC NETWORK CLOUD NETWORK CATALOG ORDER INVENTORY USER MySQL MongoDB SPARK ELASTICSEARCH BACKEND FOR
 FRONTEND MICROSERVICES SERVICES LOAD
 BALANCER
  • 47. PUBLIC NETWORK CLOUD NETWORK CATALOG ORDER INVENTORY USER MySQL MongoDB SPARK ELASTICSEARCH BACKEND FOR
 FRONTEND MICROSERVICES SERVICES LOAD
 BALANCER
  • 48. PUBLIC NETWORK CLOUD NETWORK CATALOG ORDER INVENTORY USER MySQL MongoDB SPARK ELASTICSEARCH BACKEND FOR
 FRONTEND MICROSERVICES SERVICES LOAD
 BALANCER
  • 53. BROWSER LOAD BALANCER WEB BFF ORDER SERVICE MongoDB TIME
  • 54. BROWSER LOAD BALANCER WEB BFF ORDER SERVICE MongoDB INVENTORY SERVICE TIME
  • 55. MySQL BROWSER LOAD BALANCER WEB BFF ORDER SERVICE MongoDB INVENTORY SERVICE TIME
  • 56. MySQL BROWSER LOAD BALANCER WEB BFF ORDER SERVICE MongoDB INVENTORY SERVICE MongoDB TIME
  • 57. • Collects data from each enabled service
 • Propagates correlation ID using HTTP headers
 • Provides sampling, tracing, and debug capabilities • Collects microsecond timestamps
 • Correlates data in Zipkin server • Presents data in Zipkin dashboard Request Tracking: OpenTracing and Zipkin
  • 58. const zipkin = require(‘appmetrics-zipkin’); const rest = require(‘rest'); const express = require('express'); const app = express(); app.get('/', (req, res) => { rest('http://localhost:9000/api') .then(response => res.send(response.entity)) .catch(err => console.error('Error', err.stack)); }); const port = process.env.PORT || 3000; app.listen(port, function(){ logger.info(`Express listening on: ` + port); });
  • 59.
  • 60. • Collects data from each enabled service
 • Requires /metrics endpoint providing data
 • Provides storage and correlation capabilities • Provide customisable dashboard
 • Integrates with Graphana, Graphite, etc Microservice Metrics: Prometheus
  • 61. const zipkin = require(‘appmetrics-zipkin’); const prometheus = require(‘appmetrics-prometheus’).attach(); const rest = require(‘rest'); const express = require('express'); const app = express(); app.get('/', (req, res) => { rest('http://localhost:9000/api') .then(response => res.send(response.entity)) .catch(err => console.error('Error', err.stack)); }); const port = process.env.PORT || 3000; app.listen(port, function(){ logger.info(`Express listening on: ` + port); });
  • 62.
  • 63.
  • 64. • ‘appmetrics-dash’ provides self-hosted monitoring
 • Inbound and Outbound request performance • Resource and event loop monitoring • Request a node-report
 • Enable profiling and flame graphs Deep Analysis: ‘appmetrics-dash’ and Flame Graphs
  • 65. const zipkin = require(‘appmetrics-zipkin’); const prometheus = require(‘appmetrics-prometheus’).attach(); const dash = require(‘appmetrics-dash’).attach(); const rest = require(‘rest'); const express = require('express'); const app = express(); app.get('/', (req, res) => { rest('http://localhost:9000/api') .then(response => res.send(response.entity)) .catch(err => console.error('Error', err.stack)); }); const port = process.env.PORT || 3000; app.listen(port, function(){ logger.info(`Express listening on: ` + port); }); ‘appmetrics-dash’
  • 68. $ yo nodeserver$ yo nodeserver
  • 70. const rest = require(‘rest'); const express = require('express'); const CLSContext = require('zipkin-context-cls'); const {Tracer} = require('zipkin'); const {recorder} = require('./recorder'); const ctxImpl = new CLSContext('zipkin'); const tracer = new Tracer({ctxImpl, recorder}); const app = express(); const zipkinMiddleware = require('zipkin-instrumentation-express').expressMiddleware; app.use(zipkinMiddleware({tracer, serviceName: 'frontend'})); const {restInterceptor} = require('zipkin-instrumentation-cujojs-rest'); const zipkinRest = rest.wrap(restInterceptor, {tracer, remoteServiceName: ‘backend'});
 app.get('/', (req, res) => { zipkinRest('http://localhost:9000/api') .then(response => res.send(response.entity)) .catch(err => console.error('Error', err.stack)); });