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From André Warnier>
Subject Re: [users@httpd] RE: apache and apple quicktime
Date Tue, 15 Sep 2009 10:31:51 GMT
mark (at) edgewire wrote:
> Hi all,
> We have a XSAN storage which is attached to an xserve running apache2. 
> We have noticed that the disk reads have dropped by 80% when we are 
> streaming quicktime files which are still being written to disk across 
> the local network via http. However, if we are streaming the same file 
> which has finished writing to the disk, we are seeing disk read speeds 
> of up to 80MB/s whereas if the file was still being written to disk and 
> read at the same time, the speeds drop to 13MB/s. Is there a setting on 
> apache which may cause this behavior?
Probably not.
There might however exist an XSAN or xserve switch for that.
Or maybe you just need to buy a bigger XSAN or a bigger xserve, or a 
faster network ?

By curiosity : it seems a bit strange to be reading a file that is still 
being written by something else.  What is the idea there ?

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