Hello!

On Sat, Jun 28, 2014 at 12:38:12AM -0400, c0nw0nk wrote:

> Latest picture
> http://s633.photobucket.com/user/C0nw0nk/media/Untitled-7.png.html
>
> Everything utilizing the read's and writes is nginx and when i set the
> following buffers i get massive spikes like that.
>
> location ~ \.mp4$ {
> mp4;
> mp4_buffer_size 9000m;
> mp4_max_buffer_size 9000m;
> }

Note that when using mp4 module, you should not set
mp4_buffer_size too high. It's initial size of a buffer used to
read mp4 files, and if a value specified is bigger than size of
the moov atom in an mp4 file, reading extra bytes will be
meaningless. It is generally recommended to set it to something
like 512k (the default) or slightly larger (1m, 2m). Larger
values make sense only if most of your mp4 files have huge moov
atoms.

Note well that if you use mp4 pseudo streaming, you should make
sure that mp4 files are correctly prepared - i.e., with moov atom
placed before mdat. While nginx will be able to work with files
with moov atom at the end, it won't be able to do this
efficiently.

--
Maxim Dounin
http://nginx.org/

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