Rails is slow to load

rubyonrails-talk
1

Hi,

I was just wondering if this was normal or not.

I was running ruby 1.8.7 with rails 3 - rc. (Currently trying 1.9.2- rc2 but the same problem) It takes rails a while to load. (a while as in 10-15 seconds) It will take a while before I can use the console , or before running a test or starting up the server.

This doesn't seem normal to me when I watch some screencasts. If this is not normal behaviour, how can I figure out the source of the problem?

2

This doesn't seem normal to me when I watch some screencasts. If this is not normal behaviour, how can I figure out the source of the problem?

Maybe they edited their videos to prevent wasting time watching rails load?

3

That did cross my mind, but I was just wondering though. Mostly because it didn't look as though the transition from running the command to the actual test running wasn't edited.

But oh well.

4

For comparison, from typing script/server to having a running instance of mongrel hosting out a rails app on my machine takes ~2 seconds.

5

Well on my Dual Core MacMini running Ruby 1.8.7 and Rails 2.3.2 going from "ruby script/console" to getting the prompt takes around 9 seconds.

This delay seems to be manifest across all the rails tasks. "rake test" seems to take an age to get running, between 3 to 5 seconds before it starts to event set up the test.

In production this is not a problem as the application very rarely has to restart, but it is a bit of a pig for testing.

6

Hi,

can you tell us what is your OS ? MS-Windows ruby VM is VERY much slower than Nix or OSX ones...

you can also try to use the Thin server instead of Mongrel : http://code.macournoyer.com/thin/

It's very simple : "gem install thin" "thin start" from your project folder

let us know :slight_smile:

7

The MacMini runs OSX

8

Eric Yen wrote:

This doesn't seem normal to me when I watch some screencasts. If this is not normal behaviour, how can I figure out the source of the problem?

It may simply be your hardware/OS combination...

At work, an Ubuntu VM on top of Win7, 1 core of a Core2Duo, 2.5GHz, 1 GB RAM allocated, ruby 1.8.7, rails 2.3.8; starts up in about 4 seconds

Same machine, Windows 7 Enterprise, the other core, same ruby and rails and app; starts in about 7 seconds (ruby + windows = yuck)

At home, Ubuntu 10.04 on a Phenom II X4 940, 8GB RAM, same ruby and rails and app, its about 2 seconds.

As always, YMMV.