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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