When our ASP.NET website is under heavy load, every now and then, one of the servers will just go wild and use 100% CPU without responding at all. When I run stackdump.exe on the running process, I...

I am developing a Ruby gem that I would like to add NewRelic monitoring to. The gem is used in a script that is run as a daemon and monitored by bluepill. I followed "Monitoring Ruby background pro...

I've installed newrelic for my android app using their guide for eclipse. It is working ok on that app. Now, if I create a simple hello world project i'm receiving a NoClassDefFoundError. How ca...

Project deployment as: django with apache mod_wsgi Got New Relic lite version configured to track web performance. On the New Relic -> Monitoring -> Web transactions panel -> Sort on Most time con...

I've got gem 'newrelic_rpm' in my Gemfile as per Heroku's documentation. When I attempt to run git push heroku master I receive the following: -----> Ruby/Rails app detected -----> Installin...

We have two web apps (Azure web roles) that both suffer from occasional long delays (40 to 60 seconds) during System.Web.HttpApplication.BeginRequest. We know this because we are using NewRelic to ...

It doesnt matter whether a resource was requested via mydomain.com OR mydomain.com:80(which is how some bots/spiders make requests): HTTP_HOST always shows up as 'mydomain.com' and there is no way ...

I am working on a large Django (v1.5.1) application that includes multiple application servers, MySQL servers etc. Before rolling out NewRelic onto all of the servers I want to have an idea of what...

I am trying to improve the performance of my pre-beta Rails 3.2 app hosted on Heroku. Aggressive caching has dramatically improved things, but I still notice a large contribution from "Time spent ...

I am seeing some requests coming through one of my sites that have the X-NewRelic-ID request header attached. It's always in the form of a header. Does this identify a user or simply a unique requ...

I've installed Total Cache plugin in my wordpress application and it suggested me to create a New Relic account. I've done it, but now the plugin ask me for an API key, and no idea of where to find...

I have deployed a Scala, play framework, application on Heroku. And I have added the new relic add-on to my app. I have followed the Java guide as Scala runs on the Java VM. $ heroku addons:add n...

Some of our latest Web Service applications has been using the newer 3.9.x version of ServiceStack and we are about to update one of our older applications from v3.5.x to use 3.9.44.0. The 3.5.x ve...

I've started getting strange errors with New Relic and resque INFO : Starting Agent shutdown ERROR : undefined method `write' for nil:NilClass: Unable to send data to parent process, please see ht...

Can I monitor static pages served with Apache from New Relic? A module perhaps I should include?

In our Rails app we rescue most of the exceptions on ApplicationController to give correct API response, but still want to track errors happening using ErrorCollector. Is there a way to manually se...

I've been tearing my hair out trying to pinpoint the cause of the memory my app is using continually growing, to the point where in production on heroku it fails and goes down. After some pretty e...

Recently we started using New Relic to monitor our production webapp hosted in tomcat 7.0.6 server but we have observed that memory footprint of this tomcat is increasing continuously and within a ...

I have created a new app, and I plan on adding caching, cdn, and other performance improving methods. I would like to check the current performance and also after each of these methods I would like...

I'm using Newrelic for monitoring my rails app status. They ping (GET request I think) our app every 5 minutes. Do you know how to prevent rails from spawning new user session for every request the...

We use New Relic to monitor our Rails applications. Sometimes, when we are developing locally, we need to switch to a different environment to test things. We start up our server like so $ RAILS_E...

I am using Django and trying out New Relic. Is it possible to monitor the Django development server? I can only seem to find help on setting up New Relic with production servers. Edit 'How to' fo...

We're in the process of improving performance of the our rails app hosted at Heroku (rails 3.2.8 and ruby 1.9.3). During this we've come across one alarming problem for which the source seems to be...

We've got an app that runs resque workers on Heroku. We've installed the New Relic add-on, and according to the docs the New Relic Agent should auto-instrument resque workers. However, we're seeing...

When I try to start my Rails server, I am getting the following error: I am using ruby 1.9.2 => Booting WEBrick => Rails 3.1.8 application starting in development on http://0.0.0.0:3000 ...