ExpressJS

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ExpressJS graph

Overview

The Express integration is deprecated and has been replaced with Datadog APM. Datadog APM generates the same metrics as the Express integration and also has many other features and integrations. Datadog highly recommends upgrading to APM as the Express integration will receive no further updates.

Add the Datadog connect-datadog middleware to your application to:

  • Alert on your response times
  • Monitor your response code

Setup

The Express integration requires the Datadog Agent DogStatsD server in order to forward your collected metrics to Datadog.

After installing the Agent on your host, see the DogStatsD Setup documentation to enable it.

Configuration

  1. Install the middleware

    npm install connect-datadog
    
  2. Modify your code to add the Datadog middleware:

    var dd_options = {
      'response_code':true,
      'tags': ['app:my_app']
    }
    
    var connect_datadog = require('connect-datadog')(dd_options);
    
    // Add your other middleware
    app.use(...);
    
    // Add the datadog-middleware before your router
    app.use(connect_datadog);
    app.use(router);
    

Data Collected

Metrics

node.express.router.response_code.100
(rate)
The rate of requests that generate responses with a 100 status code.
Shown as response
node.express.router.response_code.101
(rate)
The rate of requests that generate responses with a 101 status code.
Shown as response
node.express.router.response_code.102
(rate)
The rate of requests that generate responses with a 102 status code.
Shown as response
node.express.router.response_code.200
(rate)
The rate of requests that generate responses with a 200 status code.
Shown as response
node.express.router.response_code.201
(rate)
The rate of requests that generate responses with a 201 status code.
Shown as response
node.express.router.response_code.202
(rate)
The rate of requests that generate responses with a 202 status code.
Shown as response
node.express.router.response_code.203
(rate)
The rate of requests that generate responses with a 203 status code.
Shown as response
node.express.router.response_code.204
(rate)
The rate of requests that generate responses with a 204 status code.
Shown as response
node.express.router.response_code.205
(rate)
The rate of requests that generate responses with a 205 status code.
Shown as response
node.express.router.response_code.206
(rate)
The rate of requests that generate responses with a 206 status code.
Shown as response
node.express.router.response_code.207
(rate)
The rate of requests that generate responses with a 207 status code.
Shown as response
node.express.router.response_code.208
(rate)
The rate of requests that generate responses with a 208 status code.
Shown as response
node.express.router.response_code.226
(rate)
The rate of requests that generate responses with a 226 status code.
Shown as response
node.express.router.response_code.300
(rate)
The rate of requests that generate responses with a 300 status code.
Shown as response
node.express.router.response_code.301
(rate)
The rate of requests that generate responses with a 301 status code.
Shown as response
node.express.router.response_code.302
(rate)
The rate of requests that generate responses with a 302 status code.
Shown as response
node.express.router.response_code.303
(rate)
The rate of requests that generate responses with a 303 status code.
Shown as response
node.express.router.response_code.304
(rate)
The rate of requests that generate responses with a 304 status code.
Shown as response
node.express.router.response_code.305
(rate)
The rate of requests that generate responses with a 305 status code.
Shown as response
node.express.router.response_code.306
(rate)
The rate of requests that generate responses with a 306 status code.
Shown as response
node.express.router.response_code.307
(rate)
The rate of requests that generate responses with a 307 status code.
Shown as response
node.express.router.response_code.308
(rate)
The rate of requests that generate responses with a 308 status code.
Shown as response
node.express.router.response_code.400
(rate)
The rate of requests that generate responses with a 400 status code.
Shown as response
node.express.router.response_code.401
(rate)
The rate of requests that generate responses with a 401 status code.
Shown as response
node.express.router.response_code.402
(rate)
The rate of requests that generate responses with a 402 status code.
Shown as response
node.express.router.response_code.403
(rate)
The rate of requests that generate responses with a 403 status code.
Shown as response
node.express.router.response_code.404
(rate)
The rate of requests that generate responses with a 404 status code.
Shown as response
node.express.router.response_code.405
(rate)
The rate of requests that generate responses with a 405 status code.
Shown as response
node.express.router.response_code.406
(rate)
The rate of requests that generate responses with a 406 status code.
Shown as response
node.express.router.response_code.407
(rate)
The rate of requests that generate responses with a 407 status code.
Shown as response
node.express.router.response_code.408
(rate)
The rate of requests that generate responses with a 408 status code.
Shown as response
node.express.router.response_code.409
(rate)
The rate of requests that generate responses with a 409 status code.
Shown as response
node.express.router.response_code.410
(rate)
The rate of requests that generate responses with a 410 status code.
Shown as response
node.express.router.response_code.411
(rate)
The rate of requests that generate responses with a 411 status code.
Shown as response
node.express.router.response_code.412
(rate)
The rate of requests that generate responses with a 412 status code.
Shown as response
node.express.router.response_code.413
(rate)
The rate of requests that generate responses with a 413 status code.
Shown as response
node.express.router.response_code.414
(rate)
The rate of requests that generate responses with a 414 status code.
Shown as response
node.express.router.response_code.415
(rate)
The rate of requests that generate responses with a 415 status code.
Shown as response
node.express.router.response_code.416
(rate)
The rate of requests that generate responses with a 416 status code.
Shown as response
node.express.router.response_code.417
(rate)
The rate of requests that generate responses with a 417 status code.
Shown as response
node.express.router.response_code.421
(rate)
The rate of requests that generate responses with a 421 status code.
Shown as response
node.express.router.response_code.422
(rate)
The rate of requests that generate responses with a 422 status code.
Shown as response
node.express.router.response_code.423
(rate)
The rate of requests that generate responses with a 423 status code.
Shown as response
node.express.router.response_code.424
(rate)
The rate of requests that generate responses with a 424 status code.
Shown as response
node.express.router.response_code.425
(rate)
The rate of requests that generate responses with a 425 status code.
Shown as response
node.express.router.response_code.426
(rate)
The rate of requests that generate responses with a 426 status code.
Shown as response
node.express.router.response_code.428
(rate)
The rate of requests that generate responses with a 428 status code.
Shown as response
node.express.router.response_code.429
(rate)
The rate of requests that generate responses with a 429 status code.
Shown as response
node.express.router.response_code.431
(rate)
The rate of requests that generate responses with a 431 status code.
Shown as response
node.express.router.response_code.451
(rate)
The rate of requests that generate responses with a 451 status code.
Shown as response
node.express.router.response_code.500
(rate)
The rate of requests that generate responses with a 500 status code.
Shown as response
node.express.router.response_code.501
(rate)
The rate of requests that generate responses with a 501 status code.
Shown as response
node.express.router.response_code.502
(rate)
The rate of requests that generate responses with a 502 status code.
Shown as response
node.express.router.response_code.503
(rate)
The rate of requests that generate responses with a 503 status code.
Shown as response
node.express.router.response_code.504
(rate)
The rate of requests that generate responses with a 504 status code.
Shown as response
node.express.router.response_code.505
(rate)
The rate of requests that generate responses with a 505 status code.
Shown as response
node.express.router.response_code.506
(rate)
The rate of requests that generate responses with a 506 status code.
Shown as response
node.express.router.response_code.507
(rate)
The rate of requests that generate responses with a 507 status code.
Shown as response
node.express.router.response_code.508
(rate)
The rate of requests that generate responses with a 508 status code.
Shown as response
node.express.router.response_code.510
(rate)
The rate of requests that generate responses with a 510 status code.
Shown as response
node.express.router.response_code.511
(rate)
The rate of requests that generate responses with a 511 status code.
Shown as response
node.express.router.response_code.all
(rate)
The rate of all requests that receive a response.
Shown as response
node.express.router.response_time.95percentile
(gauge)
The 95th percentile of response time.
Shown as millisecond
node.express.router.response_time.avg
(gauge)
The average response time.
Shown as millisecond
node.express.router.response_time.count
(rate)
The rate of responses received.
Shown as response
node.express.router.response_time.max
(gauge)
The maximum response time.
Shown as millisecond
node.express.router.response_time.median
(gauge)
The median response time.
Shown as millisecond

Events

The Express integration does not include any events.

Service Checks

The Express integration does not include any service checks.

Troubleshooting

Need help? Contact Datadog support.