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Monitoring server health

From: ColdFusion 9 New Features

Video: Monitoring server health

Managing servers can be an exasperating job, especially when they're sitting in a data center thousands of miles away without you really knowing exactly what's happening on the servers. In this video I am going to show you how to set up your ColdFusion server to send alerts directly to the Server Manager, so that you know what's going on with your server as soon as something goes wrong. The first thing we need to do to make this happen is in the ColdFusion Administrator expand the server monitoring section and click on Server Monitor. You'll launch Server Monitor and once there, make sure that Monitoring is turned on.

Monitoring server health

Managing servers can be an exasperating job, especially when they're sitting in a data center thousands of miles away without you really knowing exactly what's happening on the servers. In this video I am going to show you how to set up your ColdFusion server to send alerts directly to the Server Manager, so that you know what's going on with your server as soon as something goes wrong. The first thing we need to do to make this happen is in the ColdFusion Administrator expand the server monitoring section and click on Server Monitor. You'll launch Server Monitor and once there, make sure that Monitoring is turned on.

If this says Start Monitoring, go ahead and click it, so things will start working. Click on the Alert section and then click on Alert Configuration. Now for this test we are going to go over to the Timeout section and we are going to enable Timeout alerts. This is the only box here that's new in ColdFusion 9. Once we check Notify Client, anytime this alert fires, it will let any client that's connected to the server know that there has been a problem. To make it easier to test, let's reduce these numbers to 2 timeouts inside 15 seconds.

Go and click Apply, and in the Chapter 1 folder there is a timeout.cfm file. So I am going to open a new tab and we'll open Chapter1 timeout.cfm. Now this just does some math. It takes too long to finish inside five seconds. We'll run it again. Now it'll give us 2 timeouts inside our 15 second window. If I switch over here to the Server Manager and give it just a second... So you see those pop-ups show up in the bottom right-hand corner that shows us that there was an alert that's been recovered on the server.

In other words had timeouts, it did whatever it needed to do to recover from them, and everything should be back to normal. When you see those alerts, you can go to your server here, right-click, choose View Log File and cfserver.log, and actually see exactly what was going on. If I scroll down here to the bottom, you can see that there was an alert state that was detected or two more requests timed out in 15 seconds. It will tell you which files were causing the problem. With the new Server Monitoring available in the ColdFusion 9 Server Manager, you should be able to rest a little easier during your day-to-day work, now that you know how to get desktop notifications of any problems with your ColdFusion servers in real-time.

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This video is part of

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ColdFusion 9 New Features

36 video lessons · 2904 viewers

Daniel Short
Author

 
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  1. 4m 30s
    1. Welcome
      53s
    2. Using the exercise files
      3m 37s
  2. 7m 48s
    1. Adding managing and comparing servers
      5m 26s
    2. Monitoring server health
      2m 22s
  3. 22m 10s
    1. Setting the default data source and SMTP
      5m 6s
    2. Getting programmatic debugging and exception handling
      5m 54s
    3. Reviewing the new onCFCRequest method
      5m 29s
    4. Using ApplicationStop()
      2m 24s
    5. Working with Server.cfc and onServerStart
      3m 17s
  4. 17m 45s
    1. Using ternary and chained operations
      5m 46s
    2. Using New and Import
      4m 2s
    3. Reviewing CFScript enhancements
      7m 57s
  5. 20m 23s
    1. Building with implicit getters and setters
      4m 26s
    2. Working with LOCAL scope in functions
      4m 35s
    3. Serializing objects
      6m 6s
    4. Writing components in CFScript
      5m 16s
  6. 19m 27s
    1. Getting started with ORM
      5m 51s
    2. Logging ORM activity
      2m 13s
    3. Saving objects to the database
      6m 10s
    4. Defining table relationships
      5m 13s
  7. 16m 59s
    1. Caching page fragments
      5m 29s
    2. Managing the cache
      4m 48s
    3. Working with in-memory files using VFS (RAM disks)
      6m 42s
  8. 12m 39s
    1. Working with Excel spreadsheets
      4m 56s
    2. Working with Word documents
      4m 4s
    3. Working with PowerPoint presentations
      3m 39s
  9. 28m 58s
    1. Loading Google maps with markers onto a page
      4m 53s
    2. Adding a Flash movie with the built-in FLV player
      2m 14s
    3. Using multi-file upload control
      6m 7s
    4. Building a progress indicator
      3m 37s
    5. Working with accordion layouts
      3m 18s
    6. Showing information with data grid enhancements
      5m 1s
    7. Informing users with Confirm Alert and Prompt dialog boxes
      3m 48s
  10. 9m 8s
    1. Accessing IMAP accounts
      6m 31s
    2. Working with the new array functions
      2m 37s
  11. 15s
    1. Goodbye
      15s

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