So, I've deployed my first rails app, however I'm the only one hitting
it for now.
I've noticed that the first time I hit the app after some long period,
it takes a really long time to respond (2-3 seconds). After that,
it's very fast.
At first, I thought it might be my VPS "waking up" from some sleep
state, but Rails does log the long load time (log below).
My app just uses the database for login/user auth. Otherwise, it
serves up pages on the filesystem in textile and renders them as
HTML. There is no explicit caching done by me, and the filesystem/
textile/rendering is all hand-rolled (so there's no caching done
implicitly).
What are some things I should look for to understand why this happens?
log of two sequential requests for the same page:
Processing WikiPagesController#show (for 98.218.223.189 at 2009-08-12
20:16:41) [GET]
Parameters: {"id"=>"MainPage"}
Rendering template within layouts/application
Rendering wiki_pages/show
User Columns (1.3ms) SHOW FIELDS FROM `users`
User Load (0.4ms) SELECT * FROM `users` WHERE (`users`.`id` = 4)
LIMIT 1
Repopulating the stop words
Rendered common/_header (16.7ms)
Rendered common/_nav (4.4ms)
Rendered common/_search (2.4ms)
Rendered common/_footer (0.6ms)
Completed in 2422ms (View: 134, DB: 2) | 200 OK [http://myserver.com/
wiki_pages/MainPage]
Processing WikiPagesController#show (for 98.218.223.189 at 2009-08-12
20:17:04) [GET]
Parameters: {"id"=>"MainPage"}
Rendering template within layouts/application
Rendering wiki_pages/show
User Load (0.4ms) SELECT * FROM `users` WHERE (`users`.`id` = 4)
LIMIT 1
Rendered common/_header (10.9ms)
Rendered common/_nav (1.6ms)
Rendered common/_search (1.7ms)
Rendered common/_footer (0.2ms)
Completed in 138ms (View: 53, DB: 0) | 200 OK [http://myserver.com.com/
wiki_pages/MainPage]
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