Re: FastCGI/Ruby Problem

On Sun, 17 Oct 2004 17:04:44 -0500, Michael Lovitt <[email protected]>  
wrote:

> We're running a Ruby web application (using Rails), and it
> intermittently causes FastCGI to timeout, which results in this error
> in apache.log:

[...]

> In the browser, the page appears to be loading for the full 30 seconds
> (although most of the HTML appears immediately, with the last 1/6th of
> it or so cut off at the bottom). When 30 seconds have passed, the
> error appears in apache.log and the page finishes loading in its
> entirety. From the user's perspective, the page loaded succesfully, it
> just took a very long time. The log of course tells a different story.
>
> We're stumped. Has anyone experienced anything like this?

There is a bug in the Pure Ruby implementation of the FCGI interface.
If the result is greater than 8KB than it will take a very long time
to send the rest of the data.  Try running it with the C version of
the Ruby FCGI interface.

To confirm if you are using the C interface try this command:
"ruby -e 'puts require "fcgi.so"' "

If it returns true then you are using the C interface.  If it is
false then the Pure Ruby interface will take over and create a problem
that is similar to what you have described.

I hope that helps.
Zev

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