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Django Statsd

Integration between statsd and django. It allows you to use different clients, sends timings as middleware and integrates with django debug toolbar.


  • jbalogh and jsocol for statsd and commonware, which I just ripped parts out of and put in here.
  • robhudson for django-debug-toolbar


From pypi:

pip install django-statsd-mozilla

Because there is already a django-statsd on pypi.

Requirement, or:

pip install statsd

Because there is already a pystatsd on pypi. This will be automatically added when you install django-statsd-mozilla.

First off, pick your client, one of:

  • django_statsd.clients.null

    This one does nothing, good for development. No point in wasting those UDP packets.

  • django_statsd.clients.toolbar

    Use for the django debug toolbar, stores all the statsd pings on the request so they can be used in the toolbar.

  • django_statsd.clients.normal

    Use this for production, it just passes through to the real actual pystatsd.


To send timings from your code, use just like pystatsd, but change your imports to read:

from django_statsd.clients import statsd

For example:

from django_statsd.clients import statsd

Django statsd will choose the client as specified in your config and send the data to it. You can change you client by specifying it in the config, the default is:

STATSD_CLIENT = 'django_statsd.clients.statsd'

To send timings or counts with every request, add in some middleware:


To get timings for your database or your cache, put in some monkeypatches:


Toolbar integration

This will show you the statsd timings in the toolbar:


Note: this must go before the GraphiteMiddleware so that we've got the timing data in before we show the toolbar panel.

Add in the panel:


Set the client:

STATSD_CLIENT = 'django_statsd.clients.toolbar'

Finally if you have production data coming into a graphite server, you can show data from that server. If you have one, link it up:

Here's the configuration we use on AMO. Because triggers and counts go to different spots, you can configure them differently:

        'graphite': '',
        'roots': {
                'timers': ['stats.timers.addons-dev', 'stats.timers.addons'],
                'counts': ['stats.addons-dev', 'stats.addons']

The key is added on to the root. So if you've got a key of view.GET this would look that up on the graphite server with the key:


Front end timing integration

New browsers come with an API to provide timing information, see:

To record this in statsd you need a JavaScript lib on the front end to send data to the server. You then use the server to record the information. This library provides a view to hook that up for different libraries.

Currently we only implement timings for boomerang, but we'll have more as we need them:

To hook this up, first add in boomerang to your site, make sure you use the web timing enabled version, as discussed here:

When the script is added to your site, add the following JS:

        beacon_url: '/'
}).addVar('client', 'boomerang');

Next add in the URL into your Django site urls. This could be done by pointing straight to the view or including the URL for example:

from django_statsd.urls import urlpatterns as statsd_patterns

urlpatterns = patterns('',
        ('^services/timing/', include(statsd_patterns)),

In this case the URL to the record view will be /services/timing/boomerang.

Here's an example of the keys sent:

amo.window.performance.timing.domComplete 5309|ms
amo.window.performance.timing.domInteractive 3819|ms
amo.window.performance.timing.domLoading 1780|ms
amo.window.performance.navigation.redirectCount 0|c
amo.window.performance.navigation.type.reload 1|c

Note: this is a new feature, we might be altering these timings as we go along.

There's a couple of options with this you can set in settings:


A list of the keys you want to record, there's quite a few in the timing api and you likely don't want to record them all. Here's the default:


Override this to get different ones.


There's only limited ways to stop people posting junk to your URLs. By defining a this a function you can do some work to allow requests to your needs. If the function returns None, the request is allowed through. If you don't want to allow the request, return any valid Django HTTP response. For example to deny everyone not in INTERNAL_IPS:

from django.http import HttpResponseForbidden

def internal_only(request):
    if request.META['REMOTE_ADDR'] not in INTERNAL_IPS:
        return HttpResponseForbidden()

STATSD_RECORD_GUARD = internal_only
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