Webinar Q&A: Avoid the Nightmare! How Auto-Scaling Can Save Your Apps

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Every developer’s or startup’s dream is for their app to be wildly successful, make lots of money, and get tons of traffic. However, if your app blows up overnight – i.e. featured on Reddit or Slashdot – can you manage the increased traffic so that your app doesn’t tank? Dreams quickly become nightmares if you’re not prepared to ensure your application’s survival.

This webcast presents techniques for creating an app that can be scaled to handle a dramatically increased load and some methods for handling that increased load automatically. Save your apps! To watch the replay, see Avoid the Nightmare! How Auto-Scaling Can Save Your Apps.

Excerpt from Avoid the Nightmare! How Auto-Scaling Can Save Your Apps:

Questions & Answers

  • What languages can I use the auto-scaling service out of the box with?

    The languages that work out of the box are Java and Node.js.

  • In your demo you only scaled an app up, can you scale the app down automatically as well?

    Yeah definitely! The app will scale down once it hits the limits you set for the application to scale down.

  • How much does the auto-scaling service cost?

    It’s actually free. There is no cost with it. Note though that if you application scales up you will pay for more instances of your app. If your app scales down you will pay less. While it does cost something to scale up, it will at least keep your app up and your customers happy!

  • Is anyone using the auto-scaling service in production?

    Yes, we can not go into specifics but there are multiple customers using it for quite large apps.

  • Does auto-scaling help with a denial of service attack? If a DDoS occurs, do I risk getting a huge bill due to the spike in traffic?

    Yes it does, the auto-scaling service will keep your app up and scale it out to prevent it from going down. However, there is a possibility of you getting an increased bill because your app scales out. I would suggest putting a CDN or Web Application Firewall in front of your app to make sure it does not happen though. Sometimes some DNS providers can actually help with DDoS attacks.

  • What’s the difference between vertical and horizontal scaling and which is being offered by Bluemix?

    Great Question! Vertical means bigger and horizontal means more in simple terms. In technical terms vertical means more CPU and memory on one server. Think increasing cores and more memory. While horizontal means smaller and more servers running. There is an important difference here, apps built for the cloud generally scale horizontally instead of vertically.

  • Is Auto Scaling, Blazemeter or New Relic available in SoftLayer?

    Yes and no. The auto-scaling service and Bluemix both run in Softlayer. However Blazemeter and New Relic are third parties so they could actually run anywhere.

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