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From Ruediger Pluem <rpl...@apache.org>
Subject Re: svn commit: r720374 - /apr/apr-util/trunk/include/apr_buckets.h
Date Tue, 25 Nov 2008 07:35:29 GMT


On 11/25/2008 02:26 AM, minfrin@apache.org wrote:
> Author: minfrin
> Date: Mon Nov 24 17:26:46 2008
> New Revision: 720374
> 
> URL: http://svn.apache.org/viewvc?rev=720374&view=rev
> Log:
> Clarify the behaviour of the apr_bucket_read() and apr_brigade_write()
> functions to lift some of the mystery surrounding how they work.
> 
> Modified:
>     apr/apr-util/trunk/include/apr_buckets.h
> 
> Modified: apr/apr-util/trunk/include/apr_buckets.h
> URL: http://svn.apache.org/viewvc/apr/apr-util/trunk/include/apr_buckets.h?rev=720374&r1=720373&r2=720374&view=diff
> ==============================================================================
> --- apr/apr-util/trunk/include/apr_buckets.h (original)
> +++ apr/apr-util/trunk/include/apr_buckets.h Mon Nov 24 17:26:46 2008
> @@ -800,6 +800,20 @@

> + *
> + * Some buckets, such as the file bucket, might have a fixed size,
> + * but be significantly larger than is practical to store in RAM in
> + * one go. As with the socket bucket, if an attempt is made to read
> + * from a file bucket, the file bucket is magically morphed into a
> + * heap bucket containing a convenient amount of data read from the

IMHO this is not correct. It depends on whether MMAP is available and allowed.
If MMAP is available and allowed the file bucket is morphed into an
MMAP bucket of reasonable size.

Regards

RĂ¼diger

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