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From "Brian Havard" <bri...@kheldar.apana.org.au>
Subject Re: Can I take down apache.org?
Date Fri, 16 Feb 2001 08:46:22 GMT
On Thu, 15 Feb 2001 22:09:36 -0800 (PST), Cliff Woolley wrote:

>
>--- rbb@covalent.net wrote:
>> I just requested this file on my server running Linux, through the
>> mod_include filter, without thd problem that I see when I request the page
>> from your machine.
>> 
>> What confuses me, is that it doesn't look like this is a problem with
>> sendfile on your machine, because it works without the filter.  I haven't
>> got a clue what is going on, but it looks like it is OS/2 specific.
>
>This part actually makes sense... when he's serving the file static via sendfile, it
>makes it all the way down the filter chain as a file bucket.  When using mod_include,
>file_read() gets called, meaning no more file bucket.  I might be wrong, but OS/2 doesn't
>seem to have MMAP, so it's getting read by apr_read() into heap buckets of a couple KB
>each that are getting shuffled around.  Makes sense to me.  Assuming I'm right that OS/2
>doesn't have MMAP, it's interesting to note that OS/2 might be one of the few platforms
>using that particular code path in file_read().  Still, I wonder if this is a symptom
of
>a lower-level problem with some APR function's implementation under OS/2, or if it's a
>symptom of not using MMAP.  Ryan, can you test on your machine with MMAP disabled?  Does
>yours still work in that case?

OS/2 doesn't have mmap OR sendfile(). That could be the difference.

-- 
 ______________________________________________________________________________
 |  Brian Havard                 |  "He is not the messiah!                   |
 |  brianh@kheldar.apana.org.au  |  He's a very naughty boy!" - Life of Brian |
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